Remove all legacy clock code from mach-tegra.
Signed-off-by: Prashant Gaikwad <pgaikwad@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
obj-y += common.o
obj-y += io.o
obj-y += irq.o
-obj-y += clock.o
obj-y += fuse.o
obj-y += pmc.o
obj-y += flowctrl.o
obj-y += reset-handler.o
obj-y += sleep.o
obj-$(CONFIG_CPU_IDLE) += cpuidle.o
-obj-$(CONFIG_ARCH_TEGRA_2x_SOC) += tegra20_clocks.o
-obj-$(CONFIG_ARCH_TEGRA_2x_SOC) += tegra20_clocks_data.o
obj-$(CONFIG_ARCH_TEGRA_2x_SOC) += tegra20_speedo.o
obj-$(CONFIG_ARCH_TEGRA_2x_SOC) += tegra2_emc.o
obj-$(CONFIG_ARCH_TEGRA_2x_SOC) += sleep-tegra20.o
ifeq ($(CONFIG_CPU_IDLE),y)
obj-$(CONFIG_ARCH_TEGRA_2x_SOC) += cpuidle-tegra20.o
endif
-obj-$(CONFIG_ARCH_TEGRA_3x_SOC) += tegra30_clocks.o
-obj-$(CONFIG_ARCH_TEGRA_3x_SOC) += tegra30_clocks_data.o
obj-$(CONFIG_ARCH_TEGRA_3x_SOC) += tegra30_speedo.o
obj-$(CONFIG_ARCH_TEGRA_3x_SOC) += sleep-tegra30.o
ifeq ($(CONFIG_CPU_IDLE),y)
+++ /dev/null
-/*
- *
- * Copyright (C) 2010 Google, Inc.
- * Copyright (c) 2012 NVIDIA CORPORATION. All rights reserved.
- *
- * Author:
- * Colin Cross <ccross@google.com>
- *
- * This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- */
-
-#include <linux/kernel.h>
-#include <linux/clk.h>
-#include <linux/clkdev.h>
-#include <linux/init.h>
-#include <linux/list.h>
-#include <linux/module.h>
-#include <linux/sched.h>
-#include <linux/seq_file.h>
-#include <linux/slab.h>
-#include <linux/clk/tegra.h>
-
-#include "board.h"
-#include "clock.h"
-
-/*
- * Locking:
- *
- * An additional mutex, clock_list_lock, is used to protect the list of all
- * clocks.
- *
- */
-static DEFINE_MUTEX(clock_list_lock);
-static LIST_HEAD(clocks);
-
-void tegra_clk_add(struct clk *clk)
-{
- struct clk_tegra *c = to_clk_tegra(__clk_get_hw(clk));
-
- mutex_lock(&clock_list_lock);
- list_add(&c->node, &clocks);
- mutex_unlock(&clock_list_lock);
-}
-
-struct clk *tegra_get_clock_by_name(const char *name)
-{
- struct clk_tegra *c;
- struct clk *ret = NULL;
- mutex_lock(&clock_list_lock);
- list_for_each_entry(c, &clocks, node) {
- if (strcmp(__clk_get_name(c->hw.clk), name) == 0) {
- ret = c->hw.clk;
- break;
- }
- }
- mutex_unlock(&clock_list_lock);
- return ret;
-}
-
-static int tegra_clk_init_one_from_table(struct tegra_clk_init_table *table)
-{
- struct clk *c;
- struct clk *p;
- struct clk *parent;
-
- int ret = 0;
-
- c = tegra_get_clock_by_name(table->name);
-
- if (!c) {
- pr_warn("Unable to initialize clock %s\n",
- table->name);
- return -ENODEV;
- }
-
- parent = clk_get_parent(c);
-
- if (table->parent) {
- p = tegra_get_clock_by_name(table->parent);
- if (!p) {
- pr_warn("Unable to find parent %s of clock %s\n",
- table->parent, table->name);
- return -ENODEV;
- }
-
- if (parent != p) {
- ret = clk_set_parent(c, p);
- if (ret) {
- pr_warn("Unable to set parent %s of clock %s: %d\n",
- table->parent, table->name, ret);
- return -EINVAL;
- }
- }
- }
-
- if (table->rate && table->rate != clk_get_rate(c)) {
- ret = clk_set_rate(c, table->rate);
- if (ret) {
- pr_warn("Unable to set clock %s to rate %lu: %d\n",
- table->name, table->rate, ret);
- return -EINVAL;
- }
- }
-
- if (table->enabled) {
- ret = clk_prepare_enable(c);
- if (ret) {
- pr_warn("Unable to enable clock %s: %d\n",
- table->name, ret);
- return -EINVAL;
- }
- }
-
- return 0;
-}
-
-void tegra_clk_init_from_table(struct tegra_clk_init_table *table)
-{
- for (; table->name; table++)
- tegra_clk_init_one_from_table(table);
-}
-
-/* Several extended clock configuration bits (e.g., clock routing, clock
- * phase control) are included in PLL and peripheral clock source
- * registers. */
-int tegra_clk_cfg_ex(struct clk *c, enum tegra_clk_ex_param p, u32 setting)
-{
- int ret = 0;
- struct clk_tegra *clk = to_clk_tegra(__clk_get_hw(c));
-
- if (!clk->clk_cfg_ex) {
- ret = -ENOSYS;
- goto out;
- }
- ret = clk->clk_cfg_ex(__clk_get_hw(c), p, setting);
-
-out:
- return ret;
-}
+++ /dev/null
-/*
- * arch/arm/mach-tegra/include/mach/clock.h
- *
- * Copyright (C) 2010 Google, Inc.
- * Copyright (c) 2012 NVIDIA CORPORATION. All rights reserved.
- *
- * Author:
- * Colin Cross <ccross@google.com>
- *
- * This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- */
-
-#ifndef __MACH_TEGRA_CLOCK_H
-#define __MACH_TEGRA_CLOCK_H
-
-#include <linux/clk-provider.h>
-#include <linux/clkdev.h>
-#include <linux/list.h>
-
-#include <mach/clk.h>
-
-#define DIV_BUS (1 << 0)
-#define DIV_U71 (1 << 1)
-#define DIV_U71_FIXED (1 << 2)
-#define DIV_2 (1 << 3)
-#define DIV_U16 (1 << 4)
-#define PLL_FIXED (1 << 5)
-#define PLL_HAS_CPCON (1 << 6)
-#define MUX (1 << 7)
-#define PLLD (1 << 8)
-#define PERIPH_NO_RESET (1 << 9)
-#define PERIPH_NO_ENB (1 << 10)
-#define PERIPH_EMC_ENB (1 << 11)
-#define PERIPH_MANUAL_RESET (1 << 12)
-#define PLL_ALT_MISC_REG (1 << 13)
-#define PLLU (1 << 14)
-#define PLLX (1 << 15)
-#define MUX_PWM (1 << 16)
-#define MUX8 (1 << 17)
-#define DIV_U71_UART (1 << 18)
-#define MUX_CLK_OUT (1 << 19)
-#define PLLM (1 << 20)
-#define DIV_U71_INT (1 << 21)
-#define DIV_U71_IDLE (1 << 22)
-#define ENABLE_ON_INIT (1 << 28)
-#define PERIPH_ON_APB (1 << 29)
-
-struct clk_tegra;
-#define to_clk_tegra(_hw) container_of(_hw, struct clk_tegra, hw)
-
-struct clk_mux_sel {
- struct clk *input;
- u32 value;
-};
-
-struct clk_pll_freq_table {
- unsigned long input_rate;
- unsigned long output_rate;
- u16 n;
- u16 m;
- u8 p;
- u8 cpcon;
-};
-
-enum clk_state {
- UNINITIALIZED = 0,
- ON,
- OFF,
-};
-
-struct clk_tegra {
- /* node for master clocks list */
- struct list_head node; /* node for list of all clocks */
- struct clk_lookup lookup;
- struct clk_hw hw;
-
- bool set;
- unsigned long fixed_rate;
- unsigned long max_rate;
- unsigned long min_rate;
- u32 flags;
- const char *name;
-
- enum clk_state state;
- u32 div;
- u32 mul;
-
- u32 reg;
- u32 reg_shift;
-
- struct list_head shared_bus_list;
-
- union {
- struct {
- unsigned int clk_num;
- } periph;
- struct {
- unsigned long input_min;
- unsigned long input_max;
- unsigned long cf_min;
- unsigned long cf_max;
- unsigned long vco_min;
- unsigned long vco_max;
- const struct clk_pll_freq_table *freq_table;
- int lock_delay;
- unsigned long fixed_rate;
- } pll;
- struct {
- u32 sel;
- u32 reg_mask;
- } mux;
- struct {
- struct clk *main;
- struct clk *backup;
- } cpu;
- struct {
- struct list_head node;
- bool enabled;
- unsigned long rate;
- } shared_bus_user;
- } u;
-
- void (*reset)(struct clk_hw *, bool);
- int (*clk_cfg_ex)(struct clk_hw *, enum tegra_clk_ex_param, u32);
-};
-
-struct clk_duplicate {
- const char *name;
- struct clk_lookup lookup;
-};
-
-struct tegra_clk_init_table {
- const char *name;
- const char *parent;
- unsigned long rate;
- bool enabled;
-};
-
-void tegra_clk_add(struct clk *c);
-void tegra2_init_clocks(void);
-void tegra30_init_clocks(void);
-struct clk *tegra_get_clock_by_name(const char *name);
-void tegra_clk_init_from_table(struct tegra_clk_init_table *table);
-
-#endif
+++ /dev/null
-/*
- * arch/arm/mach-tegra/include/mach/clk.h
- *
- * Copyright (C) 2010 Google, Inc.
- *
- * Author:
- * Erik Gilling <konkers@google.com>
- *
- * This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- */
-
-#ifndef __MACH_CLK_H
-#define __MACH_CLK_H
-
-struct clk;
-
-enum tegra_clk_ex_param {
- TEGRA_CLK_VI_INP_SEL,
- TEGRA_CLK_DTV_INVERT,
- TEGRA_CLK_NAND_PAD_DIV2_ENB,
- TEGRA_CLK_PLLD_CSI_OUT_ENB,
- TEGRA_CLK_PLLD_DSI_OUT_ENB,
- TEGRA_CLK_PLLD_MIPI_MUX_SEL,
-};
-
-#ifndef CONFIG_COMMON_CLK
-unsigned long clk_get_rate_all_locked(struct clk *c);
-#endif
-
-void tegra2_sdmmc_tap_delay(struct clk *c, int delay);
-int tegra_clk_cfg_ex(struct clk *c, enum tegra_clk_ex_param p, u32 setting);
-
-#endif
+++ /dev/null
-/*
- * arch/arm/mach-tegra/tegra20_clocks.c
- *
- * Copyright (C) 2010 Google, Inc.
- * Copyright (c) 2010-2012 NVIDIA CORPORATION. All rights reserved.
- *
- * Author:
- * Colin Cross <ccross@google.com>
- *
- * This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- */
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/list.h>
-#include <linux/spinlock.h>
-#include <linux/delay.h>
-#include <linux/io.h>
-#include <linux/clkdev.h>
-#include <linux/clk.h>
-#include <linux/clk/tegra.h>
-
-#include "clock.h"
-#include "fuse.h"
-#include "iomap.h"
-#include "tegra2_emc.h"
-
-#define RST_DEVICES 0x004
-#define RST_DEVICES_SET 0x300
-#define RST_DEVICES_CLR 0x304
-#define RST_DEVICES_NUM 3
-
-#define CLK_OUT_ENB 0x010
-#define CLK_OUT_ENB_SET 0x320
-#define CLK_OUT_ENB_CLR 0x324
-#define CLK_OUT_ENB_NUM 3
-
-#define CLK_MASK_ARM 0x44
-#define MISC_CLK_ENB 0x48
-
-#define OSC_CTRL 0x50
-#define OSC_CTRL_OSC_FREQ_MASK (3<<30)
-#define OSC_CTRL_OSC_FREQ_13MHZ (0<<30)
-#define OSC_CTRL_OSC_FREQ_19_2MHZ (1<<30)
-#define OSC_CTRL_OSC_FREQ_12MHZ (2<<30)
-#define OSC_CTRL_OSC_FREQ_26MHZ (3<<30)
-#define OSC_CTRL_MASK (0x3f2 | OSC_CTRL_OSC_FREQ_MASK)
-
-#define OSC_FREQ_DET 0x58
-#define OSC_FREQ_DET_TRIG (1<<31)
-
-#define OSC_FREQ_DET_STATUS 0x5C
-#define OSC_FREQ_DET_BUSY (1<<31)
-#define OSC_FREQ_DET_CNT_MASK 0xFFFF
-
-#define PERIPH_CLK_SOURCE_I2S1 0x100
-#define PERIPH_CLK_SOURCE_EMC 0x19c
-#define PERIPH_CLK_SOURCE_OSC 0x1fc
-#define PERIPH_CLK_SOURCE_NUM \
- ((PERIPH_CLK_SOURCE_OSC - PERIPH_CLK_SOURCE_I2S1) / 4)
-
-#define PERIPH_CLK_SOURCE_MASK (3<<30)
-#define PERIPH_CLK_SOURCE_SHIFT 30
-#define PERIPH_CLK_SOURCE_PWM_MASK (7<<28)
-#define PERIPH_CLK_SOURCE_PWM_SHIFT 28
-#define PERIPH_CLK_SOURCE_ENABLE (1<<28)
-#define PERIPH_CLK_SOURCE_DIVU71_MASK 0xFF
-#define PERIPH_CLK_SOURCE_DIVU16_MASK 0xFFFF
-#define PERIPH_CLK_SOURCE_DIV_SHIFT 0
-
-#define SDMMC_CLK_INT_FB_SEL (1 << 23)
-#define SDMMC_CLK_INT_FB_DLY_SHIFT 16
-#define SDMMC_CLK_INT_FB_DLY_MASK (0xF << SDMMC_CLK_INT_FB_DLY_SHIFT)
-
-#define PLL_BASE 0x0
-#define PLL_BASE_BYPASS (1<<31)
-#define PLL_BASE_ENABLE (1<<30)
-#define PLL_BASE_REF_ENABLE (1<<29)
-#define PLL_BASE_OVERRIDE (1<<28)
-#define PLL_BASE_DIVP_MASK (0x7<<20)
-#define PLL_BASE_DIVP_SHIFT 20
-#define PLL_BASE_DIVN_MASK (0x3FF<<8)
-#define PLL_BASE_DIVN_SHIFT 8
-#define PLL_BASE_DIVM_MASK (0x1F)
-#define PLL_BASE_DIVM_SHIFT 0
-
-#define PLL_OUT_RATIO_MASK (0xFF<<8)
-#define PLL_OUT_RATIO_SHIFT 8
-#define PLL_OUT_OVERRIDE (1<<2)
-#define PLL_OUT_CLKEN (1<<1)
-#define PLL_OUT_RESET_DISABLE (1<<0)
-
-#define PLL_MISC(c) (((c)->flags & PLL_ALT_MISC_REG) ? 0x4 : 0xc)
-
-#define PLL_MISC_DCCON_SHIFT 20
-#define PLL_MISC_CPCON_SHIFT 8
-#define PLL_MISC_CPCON_MASK (0xF<<PLL_MISC_CPCON_SHIFT)
-#define PLL_MISC_LFCON_SHIFT 4
-#define PLL_MISC_LFCON_MASK (0xF<<PLL_MISC_LFCON_SHIFT)
-#define PLL_MISC_VCOCON_SHIFT 0
-#define PLL_MISC_VCOCON_MASK (0xF<<PLL_MISC_VCOCON_SHIFT)
-
-#define PLLU_BASE_POST_DIV (1<<20)
-
-#define PLLD_MISC_CLKENABLE (1<<30)
-#define PLLD_MISC_DIV_RST (1<<23)
-#define PLLD_MISC_DCCON_SHIFT 12
-
-#define PLLE_MISC_READY (1 << 15)
-
-#define PERIPH_CLK_TO_ENB_REG(c) ((c->u.periph.clk_num / 32) * 4)
-#define PERIPH_CLK_TO_ENB_SET_REG(c) ((c->u.periph.clk_num / 32) * 8)
-#define PERIPH_CLK_TO_ENB_BIT(c) (1 << (c->u.periph.clk_num % 32))
-
-#define SUPER_CLK_MUX 0x00
-#define SUPER_STATE_SHIFT 28
-#define SUPER_STATE_MASK (0xF << SUPER_STATE_SHIFT)
-#define SUPER_STATE_STANDBY (0x0 << SUPER_STATE_SHIFT)
-#define SUPER_STATE_IDLE (0x1 << SUPER_STATE_SHIFT)
-#define SUPER_STATE_RUN (0x2 << SUPER_STATE_SHIFT)
-#define SUPER_STATE_IRQ (0x3 << SUPER_STATE_SHIFT)
-#define SUPER_STATE_FIQ (0x4 << SUPER_STATE_SHIFT)
-#define SUPER_SOURCE_MASK 0xF
-#define SUPER_FIQ_SOURCE_SHIFT 12
-#define SUPER_IRQ_SOURCE_SHIFT 8
-#define SUPER_RUN_SOURCE_SHIFT 4
-#define SUPER_IDLE_SOURCE_SHIFT 0
-
-#define SUPER_CLK_DIVIDER 0x04
-
-#define BUS_CLK_DISABLE (1<<3)
-#define BUS_CLK_DIV_MASK 0x3
-
-#define PMC_CTRL 0x0
- #define PMC_CTRL_BLINK_ENB (1 << 7)
-
-#define PMC_DPD_PADS_ORIDE 0x1c
- #define PMC_DPD_PADS_ORIDE_BLINK_ENB (1 << 20)
-
-#define PMC_BLINK_TIMER_DATA_ON_SHIFT 0
-#define PMC_BLINK_TIMER_DATA_ON_MASK 0x7fff
-#define PMC_BLINK_TIMER_ENB (1 << 15)
-#define PMC_BLINK_TIMER_DATA_OFF_SHIFT 16
-#define PMC_BLINK_TIMER_DATA_OFF_MASK 0xffff
-
-/* Tegra CPU clock and reset control regs */
-#define TEGRA_CLK_RST_CONTROLLER_CLK_CPU_CMPLX 0x4c
-#define TEGRA_CLK_RST_CONTROLLER_RST_CPU_CMPLX_SET 0x340
-#define TEGRA_CLK_RST_CONTROLLER_RST_CPU_CMPLX_CLR 0x344
-
-#define CPU_CLOCK(cpu) (0x1 << (8 + cpu))
-#define CPU_RESET(cpu) (0x1111ul << (cpu))
-
-static void __iomem *reg_clk_base = IO_ADDRESS(TEGRA_CLK_RESET_BASE);
-static void __iomem *reg_pmc_base = IO_ADDRESS(TEGRA_PMC_BASE);
-
-/*
- * Some clocks share a register with other clocks. Any clock op that
- * non-atomically modifies a register used by another clock must lock
- * clock_register_lock first.
- */
-static DEFINE_SPINLOCK(clock_register_lock);
-
-/*
- * Some peripheral clocks share an enable bit, so refcount the enable bits
- * in registers CLK_ENABLE_L, CLK_ENABLE_H, and CLK_ENABLE_U
- */
-static int tegra_periph_clk_enable_refcount[3 * 32];
-
-#define clk_writel(value, reg) \
- __raw_writel(value, reg_clk_base + (reg))
-#define clk_readl(reg) \
- __raw_readl(reg_clk_base + (reg))
-#define pmc_writel(value, reg) \
- __raw_writel(value, reg_pmc_base + (reg))
-#define pmc_readl(reg) \
- __raw_readl(reg_pmc_base + (reg))
-
-static unsigned long clk_measure_input_freq(void)
-{
- u32 clock_autodetect;
- clk_writel(OSC_FREQ_DET_TRIG | 1, OSC_FREQ_DET);
- do {} while (clk_readl(OSC_FREQ_DET_STATUS) & OSC_FREQ_DET_BUSY);
- clock_autodetect = clk_readl(OSC_FREQ_DET_STATUS);
- if (clock_autodetect >= 732 - 3 && clock_autodetect <= 732 + 3) {
- return 12000000;
- } else if (clock_autodetect >= 794 - 3 && clock_autodetect <= 794 + 3) {
- return 13000000;
- } else if (clock_autodetect >= 1172 - 3 && clock_autodetect <= 1172 + 3) {
- return 19200000;
- } else if (clock_autodetect >= 1587 - 3 && clock_autodetect <= 1587 + 3) {
- return 26000000;
- } else {
- pr_err("%s: Unexpected clock autodetect value %d",
- __func__, clock_autodetect);
- BUG();
- return 0;
- }
-}
-
-static int clk_div71_get_divider(unsigned long parent_rate, unsigned long rate)
-{
- s64 divider_u71 = parent_rate * 2;
- divider_u71 += rate - 1;
- do_div(divider_u71, rate);
-
- if (divider_u71 - 2 < 0)
- return 0;
-
- if (divider_u71 - 2 > 255)
- return -EINVAL;
-
- return divider_u71 - 2;
-}
-
-static int clk_div16_get_divider(unsigned long parent_rate, unsigned long rate)
-{
- s64 divider_u16;
-
- divider_u16 = parent_rate;
- divider_u16 += rate - 1;
- do_div(divider_u16, rate);
-
- if (divider_u16 - 1 < 0)
- return 0;
-
- if (divider_u16 - 1 > 0xFFFF)
- return -EINVAL;
-
- return divider_u16 - 1;
-}
-
-static unsigned long tegra_clk_fixed_recalc_rate(struct clk_hw *hw,
- unsigned long parent_rate)
-{
- return to_clk_tegra(hw)->fixed_rate;
-}
-
-struct clk_ops tegra_clk_32k_ops = {
- .recalc_rate = tegra_clk_fixed_recalc_rate,
-};
-
-/* clk_m functions */
-static unsigned long tegra20_clk_m_recalc_rate(struct clk_hw *hw,
- unsigned long prate)
-{
- if (!to_clk_tegra(hw)->fixed_rate)
- to_clk_tegra(hw)->fixed_rate = clk_measure_input_freq();
- return to_clk_tegra(hw)->fixed_rate;
-}
-
-static void tegra20_clk_m_init(struct clk_hw *hw)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- u32 osc_ctrl = clk_readl(OSC_CTRL);
- u32 auto_clock_control = osc_ctrl & ~OSC_CTRL_OSC_FREQ_MASK;
-
- switch (c->fixed_rate) {
- case 12000000:
- auto_clock_control |= OSC_CTRL_OSC_FREQ_12MHZ;
- break;
- case 13000000:
- auto_clock_control |= OSC_CTRL_OSC_FREQ_13MHZ;
- break;
- case 19200000:
- auto_clock_control |= OSC_CTRL_OSC_FREQ_19_2MHZ;
- break;
- case 26000000:
- auto_clock_control |= OSC_CTRL_OSC_FREQ_26MHZ;
- break;
- default:
- BUG();
- }
- clk_writel(auto_clock_control, OSC_CTRL);
-}
-
-struct clk_ops tegra_clk_m_ops = {
- .init = tegra20_clk_m_init,
- .recalc_rate = tegra20_clk_m_recalc_rate,
-};
-
-/* super clock functions */
-/* "super clocks" on tegra have two-stage muxes and a clock skipping
- * super divider. We will ignore the clock skipping divider, since we
- * can't lower the voltage when using the clock skip, but we can if we
- * lower the PLL frequency.
- */
-static int tegra20_super_clk_is_enabled(struct clk_hw *hw)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- u32 val;
-
- val = clk_readl(c->reg + SUPER_CLK_MUX);
- BUG_ON(((val & SUPER_STATE_MASK) != SUPER_STATE_RUN) &&
- ((val & SUPER_STATE_MASK) != SUPER_STATE_IDLE));
- c->state = ON;
- return c->state;
-}
-
-static int tegra20_super_clk_enable(struct clk_hw *hw)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- clk_writel(0, c->reg + SUPER_CLK_DIVIDER);
- return 0;
-}
-
-static void tegra20_super_clk_disable(struct clk_hw *hw)
-{
- pr_debug("%s on clock %s\n", __func__, __clk_get_name(hw->clk));
-
- /* oops - don't disable the CPU clock! */
- BUG();
-}
-
-static u8 tegra20_super_clk_get_parent(struct clk_hw *hw)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- int val = clk_readl(c->reg + SUPER_CLK_MUX);
- int source;
- int shift;
-
- BUG_ON(((val & SUPER_STATE_MASK) != SUPER_STATE_RUN) &&
- ((val & SUPER_STATE_MASK) != SUPER_STATE_IDLE));
- shift = ((val & SUPER_STATE_MASK) == SUPER_STATE_IDLE) ?
- SUPER_IDLE_SOURCE_SHIFT : SUPER_RUN_SOURCE_SHIFT;
- source = (val >> shift) & SUPER_SOURCE_MASK;
- return source;
-}
-
-static int tegra20_super_clk_set_parent(struct clk_hw *hw, u8 index)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- u32 val = clk_readl(c->reg + SUPER_CLK_MUX);
- int shift;
-
- BUG_ON(((val & SUPER_STATE_MASK) != SUPER_STATE_RUN) &&
- ((val & SUPER_STATE_MASK) != SUPER_STATE_IDLE));
- shift = ((val & SUPER_STATE_MASK) == SUPER_STATE_IDLE) ?
- SUPER_IDLE_SOURCE_SHIFT : SUPER_RUN_SOURCE_SHIFT;
- val &= ~(SUPER_SOURCE_MASK << shift);
- val |= index << shift;
-
- clk_writel(val, c->reg);
-
- return 0;
-}
-
-/* FIX ME: Need to switch parents to change the source PLL rate */
-static unsigned long tegra20_super_clk_recalc_rate(struct clk_hw *hw,
- unsigned long prate)
-{
- return prate;
-}
-
-static long tegra20_super_clk_round_rate(struct clk_hw *hw, unsigned long rate,
- unsigned long *prate)
-{
- return *prate;
-}
-
-static int tegra20_super_clk_set_rate(struct clk_hw *hw, unsigned long rate,
- unsigned long parent_rate)
-{
- return 0;
-}
-
-struct clk_ops tegra_super_ops = {
- .is_enabled = tegra20_super_clk_is_enabled,
- .enable = tegra20_super_clk_enable,
- .disable = tegra20_super_clk_disable,
- .set_parent = tegra20_super_clk_set_parent,
- .get_parent = tegra20_super_clk_get_parent,
- .set_rate = tegra20_super_clk_set_rate,
- .round_rate = tegra20_super_clk_round_rate,
- .recalc_rate = tegra20_super_clk_recalc_rate,
-};
-
-static unsigned long tegra20_twd_clk_recalc_rate(struct clk_hw *hw,
- unsigned long parent_rate)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- u64 rate = parent_rate;
-
- if (c->mul != 0 && c->div != 0) {
- rate *= c->mul;
- rate += c->div - 1; /* round up */
- do_div(rate, c->div);
- }
-
- return rate;
-}
-
-struct clk_ops tegra_twd_ops = {
- .recalc_rate = tegra20_twd_clk_recalc_rate,
-};
-
-static u8 tegra20_cop_clk_get_parent(struct clk_hw *hw)
-{
- return 0;
-}
-
-struct clk_ops tegra_cop_ops = {
- .get_parent = tegra20_cop_clk_get_parent,
-};
-
-/* virtual cop clock functions. Used to acquire the fake 'cop' clock to
- * reset the COP block (i.e. AVP) */
-void tegra2_cop_clk_reset(struct clk_hw *hw, bool assert)
-{
- unsigned long reg = assert ? RST_DEVICES_SET : RST_DEVICES_CLR;
-
- pr_debug("%s %s\n", __func__, assert ? "assert" : "deassert");
- clk_writel(1 << 1, reg);
-}
-
-/* bus clock functions */
-static int tegra20_bus_clk_is_enabled(struct clk_hw *hw)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- u32 val = clk_readl(c->reg);
-
- c->state = ((val >> c->reg_shift) & BUS_CLK_DISABLE) ? OFF : ON;
- return c->state;
-}
-
-static int tegra20_bus_clk_enable(struct clk_hw *hw)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- unsigned long flags;
- u32 val;
-
- spin_lock_irqsave(&clock_register_lock, flags);
-
- val = clk_readl(c->reg);
- val &= ~(BUS_CLK_DISABLE << c->reg_shift);
- clk_writel(val, c->reg);
-
- spin_unlock_irqrestore(&clock_register_lock, flags);
-
- return 0;
-}
-
-static void tegra20_bus_clk_disable(struct clk_hw *hw)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- unsigned long flags;
- u32 val;
-
- spin_lock_irqsave(&clock_register_lock, flags);
-
- val = clk_readl(c->reg);
- val |= BUS_CLK_DISABLE << c->reg_shift;
- clk_writel(val, c->reg);
-
- spin_unlock_irqrestore(&clock_register_lock, flags);
-}
-
-static unsigned long tegra20_bus_clk_recalc_rate(struct clk_hw *hw,
- unsigned long prate)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- u32 val = clk_readl(c->reg);
- u64 rate = prate;
-
- c->div = ((val >> c->reg_shift) & BUS_CLK_DIV_MASK) + 1;
- c->mul = 1;
-
- if (c->mul != 0 && c->div != 0) {
- rate *= c->mul;
- rate += c->div - 1; /* round up */
- do_div(rate, c->div);
- }
- return rate;
-}
-
-static int tegra20_bus_clk_set_rate(struct clk_hw *hw, unsigned long rate,
- unsigned long parent_rate)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- int ret = -EINVAL;
- unsigned long flags;
- u32 val;
- int i;
-
- spin_lock_irqsave(&clock_register_lock, flags);
-
- val = clk_readl(c->reg);
- for (i = 1; i <= 4; i++) {
- if (rate == parent_rate / i) {
- val &= ~(BUS_CLK_DIV_MASK << c->reg_shift);
- val |= (i - 1) << c->reg_shift;
- clk_writel(val, c->reg);
- c->div = i;
- c->mul = 1;
- ret = 0;
- break;
- }
- }
-
- spin_unlock_irqrestore(&clock_register_lock, flags);
-
- return ret;
-}
-
-static long tegra20_bus_clk_round_rate(struct clk_hw *hw, unsigned long rate,
- unsigned long *prate)
-{
- unsigned long parent_rate = *prate;
- s64 divider;
-
- if (rate >= parent_rate)
- return rate;
-
- divider = parent_rate;
- divider += rate - 1;
- do_div(divider, rate);
-
- if (divider < 0)
- return divider;
-
- if (divider > 4)
- divider = 4;
- do_div(parent_rate, divider);
-
- return parent_rate;
-}
-
-struct clk_ops tegra_bus_ops = {
- .is_enabled = tegra20_bus_clk_is_enabled,
- .enable = tegra20_bus_clk_enable,
- .disable = tegra20_bus_clk_disable,
- .set_rate = tegra20_bus_clk_set_rate,
- .round_rate = tegra20_bus_clk_round_rate,
- .recalc_rate = tegra20_bus_clk_recalc_rate,
-};
-
-/* Blink output functions */
-static int tegra20_blink_clk_is_enabled(struct clk_hw *hw)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- u32 val;
-
- val = pmc_readl(PMC_CTRL);
- c->state = (val & PMC_CTRL_BLINK_ENB) ? ON : OFF;
- return c->state;
-}
-
-static unsigned long tegra20_blink_clk_recalc_rate(struct clk_hw *hw,
- unsigned long prate)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- u64 rate = prate;
- u32 val;
-
- c->mul = 1;
- val = pmc_readl(c->reg);
-
- if (val & PMC_BLINK_TIMER_ENB) {
- unsigned int on_off;
-
- on_off = (val >> PMC_BLINK_TIMER_DATA_ON_SHIFT) &
- PMC_BLINK_TIMER_DATA_ON_MASK;
- val >>= PMC_BLINK_TIMER_DATA_OFF_SHIFT;
- val &= PMC_BLINK_TIMER_DATA_OFF_MASK;
- on_off += val;
- /* each tick in the blink timer is 4 32KHz clocks */
- c->div = on_off * 4;
- } else {
- c->div = 1;
- }
-
- if (c->mul != 0 && c->div != 0) {
- rate *= c->mul;
- rate += c->div - 1; /* round up */
- do_div(rate, c->div);
- }
- return rate;
-}
-
-static int tegra20_blink_clk_enable(struct clk_hw *hw)
-{
- u32 val;
-
- val = pmc_readl(PMC_DPD_PADS_ORIDE);
- pmc_writel(val | PMC_DPD_PADS_ORIDE_BLINK_ENB, PMC_DPD_PADS_ORIDE);
-
- val = pmc_readl(PMC_CTRL);
- pmc_writel(val | PMC_CTRL_BLINK_ENB, PMC_CTRL);
-
- return 0;
-}
-
-static void tegra20_blink_clk_disable(struct clk_hw *hw)
-{
- u32 val;
-
- val = pmc_readl(PMC_CTRL);
- pmc_writel(val & ~PMC_CTRL_BLINK_ENB, PMC_CTRL);
-
- val = pmc_readl(PMC_DPD_PADS_ORIDE);
- pmc_writel(val & ~PMC_DPD_PADS_ORIDE_BLINK_ENB, PMC_DPD_PADS_ORIDE);
-}
-
-static int tegra20_blink_clk_set_rate(struct clk_hw *hw, unsigned long rate,
- unsigned long parent_rate)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
-
- if (rate >= parent_rate) {
- c->div = 1;
- pmc_writel(0, c->reg);
- } else {
- unsigned int on_off;
- u32 val;
-
- on_off = DIV_ROUND_UP(parent_rate / 8, rate);
- c->div = on_off * 8;
-
- val = (on_off & PMC_BLINK_TIMER_DATA_ON_MASK) <<
- PMC_BLINK_TIMER_DATA_ON_SHIFT;
- on_off &= PMC_BLINK_TIMER_DATA_OFF_MASK;
- on_off <<= PMC_BLINK_TIMER_DATA_OFF_SHIFT;
- val |= on_off;
- val |= PMC_BLINK_TIMER_ENB;
- pmc_writel(val, c->reg);
- }
-
- return 0;
-}
-
-static long tegra20_blink_clk_round_rate(struct clk_hw *hw, unsigned long rate,
- unsigned long *prate)
-{
- int div;
- int mul;
- long round_rate = *prate;
-
- mul = 1;
-
- if (rate >= *prate) {
- div = 1;
- } else {
- div = DIV_ROUND_UP(*prate / 8, rate);
- div *= 8;
- }
-
- round_rate *= mul;
- round_rate += div - 1;
- do_div(round_rate, div);
-
- return round_rate;
-}
-
-struct clk_ops tegra_blink_clk_ops = {
- .is_enabled = tegra20_blink_clk_is_enabled,
- .enable = tegra20_blink_clk_enable,
- .disable = tegra20_blink_clk_disable,
- .set_rate = tegra20_blink_clk_set_rate,
- .round_rate = tegra20_blink_clk_round_rate,
- .recalc_rate = tegra20_blink_clk_recalc_rate,
-};
-
-/* PLL Functions */
-static int tegra20_pll_clk_wait_for_lock(struct clk_tegra *c)
-{
- udelay(c->u.pll.lock_delay);
- return 0;
-}
-
-static int tegra20_pll_clk_is_enabled(struct clk_hw *hw)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- u32 val = clk_readl(c->reg + PLL_BASE);
-
- c->state = (val & PLL_BASE_ENABLE) ? ON : OFF;
- return c->state;
-}
-
-static unsigned long tegra20_pll_clk_recalc_rate(struct clk_hw *hw,
- unsigned long prate)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- u32 val = clk_readl(c->reg + PLL_BASE);
- u64 rate = prate;
-
- if (c->flags & PLL_FIXED && !(val & PLL_BASE_OVERRIDE)) {
- const struct clk_pll_freq_table *sel;
- for (sel = c->u.pll.freq_table; sel->input_rate != 0; sel++) {
- if (sel->input_rate == prate &&
- sel->output_rate == c->u.pll.fixed_rate) {
- c->mul = sel->n;
- c->div = sel->m * sel->p;
- break;
- }
- }
- pr_err("Clock %s has unknown fixed frequency\n",
- __clk_get_name(hw->clk));
- BUG();
- } else if (val & PLL_BASE_BYPASS) {
- c->mul = 1;
- c->div = 1;
- } else {
- c->mul = (val & PLL_BASE_DIVN_MASK) >> PLL_BASE_DIVN_SHIFT;
- c->div = (val & PLL_BASE_DIVM_MASK) >> PLL_BASE_DIVM_SHIFT;
- if (c->flags & PLLU)
- c->div *= (val & PLLU_BASE_POST_DIV) ? 1 : 2;
- else
- c->div *= (val & PLL_BASE_DIVP_MASK) ? 2 : 1;
- }
-
- if (c->mul != 0 && c->div != 0) {
- rate *= c->mul;
- rate += c->div - 1; /* round up */
- do_div(rate, c->div);
- }
- return rate;
-}
-
-static int tegra20_pll_clk_enable(struct clk_hw *hw)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- u32 val;
- pr_debug("%s on clock %s\n", __func__, __clk_get_name(hw->clk));
-
- val = clk_readl(c->reg + PLL_BASE);
- val &= ~PLL_BASE_BYPASS;
- val |= PLL_BASE_ENABLE;
- clk_writel(val, c->reg + PLL_BASE);
-
- tegra20_pll_clk_wait_for_lock(c);
-
- return 0;
-}
-
-static void tegra20_pll_clk_disable(struct clk_hw *hw)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- u32 val;
- pr_debug("%s on clock %s\n", __func__, __clk_get_name(hw->clk));
-
- val = clk_readl(c->reg);
- val &= ~(PLL_BASE_BYPASS | PLL_BASE_ENABLE);
- clk_writel(val, c->reg);
-}
-
-static int tegra20_pll_clk_set_rate(struct clk_hw *hw, unsigned long rate,
- unsigned long parent_rate)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- unsigned long input_rate = parent_rate;
- const struct clk_pll_freq_table *sel;
- u32 val;
-
- pr_debug("%s: %s %lu\n", __func__, __clk_get_name(hw->clk), rate);
-
- if (c->flags & PLL_FIXED) {
- int ret = 0;
- if (rate != c->u.pll.fixed_rate) {
- pr_err("%s: Can not change %s fixed rate %lu to %lu\n",
- __func__, __clk_get_name(hw->clk),
- c->u.pll.fixed_rate, rate);
- ret = -EINVAL;
- }
- return ret;
- }
-
- for (sel = c->u.pll.freq_table; sel->input_rate != 0; sel++) {
- if (sel->input_rate == input_rate && sel->output_rate == rate) {
- c->mul = sel->n;
- c->div = sel->m * sel->p;
-
- val = clk_readl(c->reg + PLL_BASE);
- if (c->flags & PLL_FIXED)
- val |= PLL_BASE_OVERRIDE;
- val &= ~(PLL_BASE_DIVP_MASK | PLL_BASE_DIVN_MASK |
- PLL_BASE_DIVM_MASK);
- val |= (sel->m << PLL_BASE_DIVM_SHIFT) |
- (sel->n << PLL_BASE_DIVN_SHIFT);
- BUG_ON(sel->p < 1 || sel->p > 2);
- if (c->flags & PLLU) {
- if (sel->p == 1)
- val |= PLLU_BASE_POST_DIV;
- } else {
- if (sel->p == 2)
- val |= 1 << PLL_BASE_DIVP_SHIFT;
- }
- clk_writel(val, c->reg + PLL_BASE);
-
- if (c->flags & PLL_HAS_CPCON) {
- val = clk_readl(c->reg + PLL_MISC(c));
- val &= ~PLL_MISC_CPCON_MASK;
- val |= sel->cpcon << PLL_MISC_CPCON_SHIFT;
- clk_writel(val, c->reg + PLL_MISC(c));
- }
-
- if (c->state == ON)
- tegra20_pll_clk_enable(hw);
- return 0;
- }
- }
- return -EINVAL;
-}
-
-static long tegra20_pll_clk_round_rate(struct clk_hw *hw, unsigned long rate,
- unsigned long *prate)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- const struct clk_pll_freq_table *sel;
- unsigned long input_rate = *prate;
- u64 output_rate = *prate;
- int mul;
- int div;
-
- if (c->flags & PLL_FIXED)
- return c->u.pll.fixed_rate;
-
- for (sel = c->u.pll.freq_table; sel->input_rate != 0; sel++)
- if (sel->input_rate == input_rate && sel->output_rate == rate) {
- mul = sel->n;
- div = sel->m * sel->p;
- break;
- }
-
- if (sel->input_rate == 0)
- return -EINVAL;
-
- output_rate *= mul;
- output_rate += div - 1; /* round up */
- do_div(output_rate, div);
-
- return output_rate;
-}
-
-struct clk_ops tegra_pll_ops = {
- .is_enabled = tegra20_pll_clk_is_enabled,
- .enable = tegra20_pll_clk_enable,
- .disable = tegra20_pll_clk_disable,
- .set_rate = tegra20_pll_clk_set_rate,
- .recalc_rate = tegra20_pll_clk_recalc_rate,
- .round_rate = tegra20_pll_clk_round_rate,
-};
-
-static void tegra20_pllx_clk_init(struct clk_hw *hw)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
-
- if (tegra_sku_id == 7)
- c->max_rate = 750000000;
-}
-
-struct clk_ops tegra_pllx_ops = {
- .init = tegra20_pllx_clk_init,
- .is_enabled = tegra20_pll_clk_is_enabled,
- .enable = tegra20_pll_clk_enable,
- .disable = tegra20_pll_clk_disable,
- .set_rate = tegra20_pll_clk_set_rate,
- .recalc_rate = tegra20_pll_clk_recalc_rate,
- .round_rate = tegra20_pll_clk_round_rate,
-};
-
-static int tegra20_plle_clk_enable(struct clk_hw *hw)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- u32 val;
-
- pr_debug("%s on clock %s\n", __func__, __clk_get_name(hw->clk));
-
- mdelay(1);
-
- val = clk_readl(c->reg + PLL_BASE);
- if (!(val & PLLE_MISC_READY))
- return -EBUSY;
-
- val = clk_readl(c->reg + PLL_BASE);
- val |= PLL_BASE_ENABLE | PLL_BASE_BYPASS;
- clk_writel(val, c->reg + PLL_BASE);
-
- return 0;
-}
-
-struct clk_ops tegra_plle_ops = {
- .is_enabled = tegra20_pll_clk_is_enabled,
- .enable = tegra20_plle_clk_enable,
- .set_rate = tegra20_pll_clk_set_rate,
- .recalc_rate = tegra20_pll_clk_recalc_rate,
- .round_rate = tegra20_pll_clk_round_rate,
-};
-
-/* Clock divider ops */
-static int tegra20_pll_div_clk_is_enabled(struct clk_hw *hw)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- u32 val = clk_readl(c->reg);
-
- val >>= c->reg_shift;
- c->state = (val & PLL_OUT_CLKEN) ? ON : OFF;
- if (!(val & PLL_OUT_RESET_DISABLE))
- c->state = OFF;
- return c->state;
-}
-
-static unsigned long tegra20_pll_div_clk_recalc_rate(struct clk_hw *hw,
- unsigned long prate)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- u64 rate = prate;
- u32 val = clk_readl(c->reg);
- u32 divu71;
-
- val >>= c->reg_shift;
-
- if (c->flags & DIV_U71) {
- divu71 = (val & PLL_OUT_RATIO_MASK) >> PLL_OUT_RATIO_SHIFT;
- c->div = (divu71 + 2);
- c->mul = 2;
- } else if (c->flags & DIV_2) {
- c->div = 2;
- c->mul = 1;
- } else {
- c->div = 1;
- c->mul = 1;
- }
-
- rate *= c->mul;
- rate += c->div - 1; /* round up */
- do_div(rate, c->div);
-
- return rate;
-}
-
-static int tegra20_pll_div_clk_enable(struct clk_hw *hw)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- unsigned long flags;
- u32 new_val;
- u32 val;
-
- pr_debug("%s: %s\n", __func__, __clk_get_name(hw->clk));
-
- if (c->flags & DIV_U71) {
- spin_lock_irqsave(&clock_register_lock, flags);
- val = clk_readl(c->reg);
- new_val = val >> c->reg_shift;
- new_val &= 0xFFFF;
-
- new_val |= PLL_OUT_CLKEN | PLL_OUT_RESET_DISABLE;
-
- val &= ~(0xFFFF << c->reg_shift);
- val |= new_val << c->reg_shift;
- clk_writel(val, c->reg);
- spin_unlock_irqrestore(&clock_register_lock, flags);
- return 0;
- } else if (c->flags & DIV_2) {
- BUG_ON(!(c->flags & PLLD));
- spin_lock_irqsave(&clock_register_lock, flags);
- val = clk_readl(c->reg);
- val &= ~PLLD_MISC_DIV_RST;
- clk_writel(val, c->reg);
- spin_unlock_irqrestore(&clock_register_lock, flags);
- return 0;
- }
- return -EINVAL;
-}
-
-static void tegra20_pll_div_clk_disable(struct clk_hw *hw)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- unsigned long flags;
- u32 new_val;
- u32 val;
-
- pr_debug("%s: %s\n", __func__, __clk_get_name(hw->clk));
-
- if (c->flags & DIV_U71) {
- spin_lock_irqsave(&clock_register_lock, flags);
- val = clk_readl(c->reg);
- new_val = val >> c->reg_shift;
- new_val &= 0xFFFF;
-
- new_val &= ~(PLL_OUT_CLKEN | PLL_OUT_RESET_DISABLE);
-
- val &= ~(0xFFFF << c->reg_shift);
- val |= new_val << c->reg_shift;
- clk_writel(val, c->reg);
- spin_unlock_irqrestore(&clock_register_lock, flags);
- } else if (c->flags & DIV_2) {
- BUG_ON(!(c->flags & PLLD));
- spin_lock_irqsave(&clock_register_lock, flags);
- val = clk_readl(c->reg);
- val |= PLLD_MISC_DIV_RST;
- clk_writel(val, c->reg);
- spin_unlock_irqrestore(&clock_register_lock, flags);
- }
-}
-
-static int tegra20_pll_div_clk_set_rate(struct clk_hw *hw, unsigned long rate,
- unsigned long parent_rate)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- unsigned long flags;
- int divider_u71;
- u32 new_val;
- u32 val;
-
- pr_debug("%s: %s %lu\n", __func__, __clk_get_name(hw->clk), rate);
-
- if (c->flags & DIV_U71) {
- divider_u71 = clk_div71_get_divider(parent_rate, rate);
- if (divider_u71 >= 0) {
- spin_lock_irqsave(&clock_register_lock, flags);
- val = clk_readl(c->reg);
- new_val = val >> c->reg_shift;
- new_val &= 0xFFFF;
- if (c->flags & DIV_U71_FIXED)
- new_val |= PLL_OUT_OVERRIDE;
- new_val &= ~PLL_OUT_RATIO_MASK;
- new_val |= divider_u71 << PLL_OUT_RATIO_SHIFT;
-
- val &= ~(0xFFFF << c->reg_shift);
- val |= new_val << c->reg_shift;
- clk_writel(val, c->reg);
- c->div = divider_u71 + 2;
- c->mul = 2;
- spin_unlock_irqrestore(&clock_register_lock, flags);
- return 0;
- }
- } else if (c->flags & DIV_2) {
- if (parent_rate == rate * 2)
- return 0;
- }
- return -EINVAL;
-}
-
-static long tegra20_pll_div_clk_round_rate(struct clk_hw *hw, unsigned long rate,
- unsigned long *prate)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- unsigned long parent_rate = *prate;
- int divider;
-
- pr_debug("%s: %s %lu\n", __func__, __clk_get_name(hw->clk), rate);
-
- if (c->flags & DIV_U71) {
- divider = clk_div71_get_divider(parent_rate, rate);
- if (divider < 0)
- return divider;
- return DIV_ROUND_UP(parent_rate * 2, divider + 2);
- } else if (c->flags & DIV_2) {
- return DIV_ROUND_UP(parent_rate, 2);
- }
- return -EINVAL;
-}
-
-struct clk_ops tegra_pll_div_ops = {
- .is_enabled = tegra20_pll_div_clk_is_enabled,
- .enable = tegra20_pll_div_clk_enable,
- .disable = tegra20_pll_div_clk_disable,
- .set_rate = tegra20_pll_div_clk_set_rate,
- .round_rate = tegra20_pll_div_clk_round_rate,
- .recalc_rate = tegra20_pll_div_clk_recalc_rate,
-};
-
-/* Periph clk ops */
-
-static int tegra20_periph_clk_is_enabled(struct clk_hw *hw)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
-
- c->state = ON;
-
- if (!c->u.periph.clk_num)
- goto out;
-
- if (!(clk_readl(CLK_OUT_ENB + PERIPH_CLK_TO_ENB_REG(c)) &
- PERIPH_CLK_TO_ENB_BIT(c)))
- c->state = OFF;
-
- if (!(c->flags & PERIPH_NO_RESET))
- if (clk_readl(RST_DEVICES + PERIPH_CLK_TO_ENB_REG(c)) &
- PERIPH_CLK_TO_ENB_BIT(c))
- c->state = OFF;
-
-out:
- return c->state;
-}
-
-static int tegra20_periph_clk_enable(struct clk_hw *hw)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- unsigned long flags;
- u32 val;
-
- pr_debug("%s on clock %s\n", __func__, __clk_get_name(hw->clk));
-
- if (!c->u.periph.clk_num)
- return 0;
-
- tegra_periph_clk_enable_refcount[c->u.periph.clk_num]++;
- if (tegra_periph_clk_enable_refcount[c->u.periph.clk_num] > 1)
- return 0;
-
- spin_lock_irqsave(&clock_register_lock, flags);
-
- clk_writel(PERIPH_CLK_TO_ENB_BIT(c),
- CLK_OUT_ENB_SET + PERIPH_CLK_TO_ENB_SET_REG(c));
- if (!(c->flags & PERIPH_NO_RESET) && !(c->flags & PERIPH_MANUAL_RESET))
- clk_writel(PERIPH_CLK_TO_ENB_BIT(c),
- RST_DEVICES_CLR + PERIPH_CLK_TO_ENB_SET_REG(c));
- if (c->flags & PERIPH_EMC_ENB) {
- /* The EMC peripheral clock has 2 extra enable bits */
- /* FIXME: Do they need to be disabled? */
- val = clk_readl(c->reg);
- val |= 0x3 << 24;
- clk_writel(val, c->reg);
- }
-
- spin_unlock_irqrestore(&clock_register_lock, flags);
-
- return 0;
-}
-
-static void tegra20_periph_clk_disable(struct clk_hw *hw)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- unsigned long flags;
-
- pr_debug("%s on clock %s\n", __func__, __clk_get_name(hw->clk));
-
- if (!c->u.periph.clk_num)
- return;
-
- tegra_periph_clk_enable_refcount[c->u.periph.clk_num]--;
-
- if (tegra_periph_clk_enable_refcount[c->u.periph.clk_num] > 0)
- return;
-
- spin_lock_irqsave(&clock_register_lock, flags);
-
- clk_writel(PERIPH_CLK_TO_ENB_BIT(c),
- CLK_OUT_ENB_CLR + PERIPH_CLK_TO_ENB_SET_REG(c));
-
- spin_unlock_irqrestore(&clock_register_lock, flags);
-}
-
-void tegra2_periph_clk_reset(struct clk_hw *hw, bool assert)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- unsigned long base = assert ? RST_DEVICES_SET : RST_DEVICES_CLR;
-
- pr_debug("%s %s on clock %s\n", __func__,
- assert ? "assert" : "deassert", __clk_get_name(hw->clk));
-
- BUG_ON(!c->u.periph.clk_num);
-
- if (!(c->flags & PERIPH_NO_RESET))
- clk_writel(PERIPH_CLK_TO_ENB_BIT(c),
- base + PERIPH_CLK_TO_ENB_SET_REG(c));
-}
-
-static int tegra20_periph_clk_set_parent(struct clk_hw *hw, u8 index)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- u32 val;
- u32 mask;
- u32 shift;
-
- pr_debug("%s: %s %d\n", __func__, __clk_get_name(hw->clk), index);
-
- if (c->flags & MUX_PWM) {
- shift = PERIPH_CLK_SOURCE_PWM_SHIFT;
- mask = PERIPH_CLK_SOURCE_PWM_MASK;
- } else {
- shift = PERIPH_CLK_SOURCE_SHIFT;
- mask = PERIPH_CLK_SOURCE_MASK;
- }
-
- val = clk_readl(c->reg);
- val &= ~mask;
- val |= (index) << shift;
-
- clk_writel(val, c->reg);
-
- return 0;
-}
-
-static u8 tegra20_periph_clk_get_parent(struct clk_hw *hw)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- u32 val = clk_readl(c->reg);
- u32 mask;
- u32 shift;
-
- if (c->flags & MUX_PWM) {
- shift = PERIPH_CLK_SOURCE_PWM_SHIFT;
- mask = PERIPH_CLK_SOURCE_PWM_MASK;
- } else {
- shift = PERIPH_CLK_SOURCE_SHIFT;
- mask = PERIPH_CLK_SOURCE_MASK;
- }
-
- if (c->flags & MUX)
- return (val & mask) >> shift;
- else
- return 0;
-}
-
-static unsigned long tegra20_periph_clk_recalc_rate(struct clk_hw *hw,
- unsigned long prate)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- unsigned long rate = prate;
- u32 val = clk_readl(c->reg);
-
- if (c->flags & DIV_U71) {
- u32 divu71 = val & PERIPH_CLK_SOURCE_DIVU71_MASK;
- c->div = divu71 + 2;
- c->mul = 2;
- } else if (c->flags & DIV_U16) {
- u32 divu16 = val & PERIPH_CLK_SOURCE_DIVU16_MASK;
- c->div = divu16 + 1;
- c->mul = 1;
- } else {
- c->div = 1;
- c->mul = 1;
- return rate;
- }
-
- if (c->mul != 0 && c->div != 0) {
- rate *= c->mul;
- rate += c->div - 1; /* round up */
- do_div(rate, c->div);
- }
-
- return rate;
-}
-
-static int tegra20_periph_clk_set_rate(struct clk_hw *hw, unsigned long rate,
- unsigned long parent_rate)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- u32 val;
- int divider;
-
- val = clk_readl(c->reg);
-
- if (c->flags & DIV_U71) {
- divider = clk_div71_get_divider(parent_rate, rate);
-
- if (divider >= 0) {
- val = clk_readl(c->reg);
- val &= ~PERIPH_CLK_SOURCE_DIVU71_MASK;
- val |= divider;
- clk_writel(val, c->reg);
- c->div = divider + 2;
- c->mul = 2;
- return 0;
- }
- } else if (c->flags & DIV_U16) {
- divider = clk_div16_get_divider(parent_rate, rate);
- if (divider >= 0) {
- val = clk_readl(c->reg);
- val &= ~PERIPH_CLK_SOURCE_DIVU16_MASK;
- val |= divider;
- clk_writel(val, c->reg);
- c->div = divider + 1;
- c->mul = 1;
- return 0;
- }
- } else if (parent_rate <= rate) {
- c->div = 1;
- c->mul = 1;
- return 0;
- }
-
- return -EINVAL;
-}
-
-static long tegra20_periph_clk_round_rate(struct clk_hw *hw,
- unsigned long rate, unsigned long *prate)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- unsigned long parent_rate = __clk_get_rate(__clk_get_parent(hw->clk));
- int divider;
-
- pr_debug("%s: %s %lu\n", __func__, __clk_get_name(hw->clk), rate);
-
- if (prate)
- parent_rate = *prate;
-
- if (c->flags & DIV_U71) {
- divider = clk_div71_get_divider(parent_rate, rate);
- if (divider < 0)
- return divider;
-
- return DIV_ROUND_UP(parent_rate * 2, divider + 2);
- } else if (c->flags & DIV_U16) {
- divider = clk_div16_get_divider(parent_rate, rate);
- if (divider < 0)
- return divider;
- return DIV_ROUND_UP(parent_rate, divider + 1);
- }
- return -EINVAL;
-}
-
-struct clk_ops tegra_periph_clk_ops = {
- .is_enabled = tegra20_periph_clk_is_enabled,
- .enable = tegra20_periph_clk_enable,
- .disable = tegra20_periph_clk_disable,
- .set_parent = tegra20_periph_clk_set_parent,
- .get_parent = tegra20_periph_clk_get_parent,
- .set_rate = tegra20_periph_clk_set_rate,
- .round_rate = tegra20_periph_clk_round_rate,
- .recalc_rate = tegra20_periph_clk_recalc_rate,
-};
-
-/* External memory controller clock ops */
-static void tegra20_emc_clk_init(struct clk_hw *hw)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- c->max_rate = __clk_get_rate(hw->clk);
-}
-
-static long tegra20_emc_clk_round_rate(struct clk_hw *hw, unsigned long rate,
- unsigned long *prate)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- long emc_rate;
- long clk_rate;
-
- /*
- * The slowest entry in the EMC clock table that is at least as
- * fast as rate.
- */
- emc_rate = tegra_emc_round_rate(rate);
- if (emc_rate < 0)
- return c->max_rate;
-
- /*
- * The fastest rate the PLL will generate that is at most the
- * requested rate.
- */
- clk_rate = tegra20_periph_clk_round_rate(hw, emc_rate, NULL);
-
- /*
- * If this fails, and emc_rate > clk_rate, it's because the maximum
- * rate in the EMC tables is larger than the maximum rate of the EMC
- * clock. The EMC clock's max rate is the rate it was running when the
- * kernel booted. Such a mismatch is probably due to using the wrong
- * BCT, i.e. using a Tegra20 BCT with an EMC table written for Tegra25.
- */
- WARN_ONCE(emc_rate != clk_rate,
- "emc_rate %ld != clk_rate %ld",
- emc_rate, clk_rate);
-
- return emc_rate;
-}
-
-static int tegra20_emc_clk_set_rate(struct clk_hw *hw, unsigned long rate,
- unsigned long parent_rate)
-{
- int ret;
-
- /*
- * The Tegra2 memory controller has an interlock with the clock
- * block that allows memory shadowed registers to be updated,
- * and then transfer them to the main registers at the same
- * time as the clock update without glitches.
- */
- ret = tegra_emc_set_rate(rate);
- if (ret < 0)
- return ret;
-
- ret = tegra20_periph_clk_set_rate(hw, rate, parent_rate);
- udelay(1);
-
- return ret;
-}
-
-struct clk_ops tegra_emc_clk_ops = {
- .init = tegra20_emc_clk_init,
- .is_enabled = tegra20_periph_clk_is_enabled,
- .enable = tegra20_periph_clk_enable,
- .disable = tegra20_periph_clk_disable,
- .set_parent = tegra20_periph_clk_set_parent,
- .get_parent = tegra20_periph_clk_get_parent,
- .set_rate = tegra20_emc_clk_set_rate,
- .round_rate = tegra20_emc_clk_round_rate,
- .recalc_rate = tegra20_periph_clk_recalc_rate,
-};
-
-/* Clock doubler ops */
-static int tegra20_clk_double_is_enabled(struct clk_hw *hw)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
-
- c->state = ON;
-
- if (!c->u.periph.clk_num)
- goto out;
-
- if (!(clk_readl(CLK_OUT_ENB + PERIPH_CLK_TO_ENB_REG(c)) &
- PERIPH_CLK_TO_ENB_BIT(c)))
- c->state = OFF;
-
-out:
- return c->state;
-};
-
-static unsigned long tegra20_clk_double_recalc_rate(struct clk_hw *hw,
- unsigned long prate)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- u64 rate = prate;
-
- c->mul = 2;
- c->div = 1;
-
- rate *= c->mul;
- rate += c->div - 1; /* round up */
- do_div(rate, c->div);
-
- return rate;
-}
-
-static long tegra20_clk_double_round_rate(struct clk_hw *hw, unsigned long rate,
- unsigned long *prate)
-{
- unsigned long output_rate = *prate;
-
- do_div(output_rate, 2);
- return output_rate;
-}
-
-static int tegra20_clk_double_set_rate(struct clk_hw *hw, unsigned long rate,
- unsigned long parent_rate)
-{
- if (rate != 2 * parent_rate)
- return -EINVAL;
- return 0;
-}
-
-struct clk_ops tegra_clk_double_ops = {
- .is_enabled = tegra20_clk_double_is_enabled,
- .enable = tegra20_periph_clk_enable,
- .disable = tegra20_periph_clk_disable,
- .set_rate = tegra20_clk_double_set_rate,
- .recalc_rate = tegra20_clk_double_recalc_rate,
- .round_rate = tegra20_clk_double_round_rate,
-};
-
-/* Audio sync clock ops */
-static int tegra20_audio_sync_clk_is_enabled(struct clk_hw *hw)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- u32 val = clk_readl(c->reg);
-
- c->state = (val & (1<<4)) ? OFF : ON;
- return c->state;
-}
-
-static int tegra20_audio_sync_clk_enable(struct clk_hw *hw)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
-
- clk_writel(0, c->reg);
- return 0;
-}
-
-static void tegra20_audio_sync_clk_disable(struct clk_hw *hw)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- clk_writel(1, c->reg);
-}
-
-static u8 tegra20_audio_sync_clk_get_parent(struct clk_hw *hw)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- u32 val = clk_readl(c->reg);
- int source;
-
- source = val & 0xf;
- return source;
-}
-
-static int tegra20_audio_sync_clk_set_parent(struct clk_hw *hw, u8 index)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- u32 val;
-
- val = clk_readl(c->reg);
- val &= ~0xf;
- val |= index;
-
- clk_writel(val, c->reg);
-
- return 0;
-}
-
-struct clk_ops tegra_audio_sync_clk_ops = {
- .is_enabled = tegra20_audio_sync_clk_is_enabled,
- .enable = tegra20_audio_sync_clk_enable,
- .disable = tegra20_audio_sync_clk_disable,
- .set_parent = tegra20_audio_sync_clk_set_parent,
- .get_parent = tegra20_audio_sync_clk_get_parent,
-};
-
-/* cdev1 and cdev2 (dap_mclk1 and dap_mclk2) ops */
-
-static int tegra20_cdev_clk_is_enabled(struct clk_hw *hw)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- /* We could un-tristate the cdev1 or cdev2 pingroup here; this is
- * currently done in the pinmux code. */
- c->state = ON;
-
- BUG_ON(!c->u.periph.clk_num);
-
- if (!(clk_readl(CLK_OUT_ENB + PERIPH_CLK_TO_ENB_REG(c)) &
- PERIPH_CLK_TO_ENB_BIT(c)))
- c->state = OFF;
- return c->state;
-}
-
-static int tegra20_cdev_clk_enable(struct clk_hw *hw)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- BUG_ON(!c->u.periph.clk_num);
-
- clk_writel(PERIPH_CLK_TO_ENB_BIT(c),
- CLK_OUT_ENB_SET + PERIPH_CLK_TO_ENB_SET_REG(c));
- return 0;
-}
-
-static void tegra20_cdev_clk_disable(struct clk_hw *hw)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- BUG_ON(!c->u.periph.clk_num);
-
- clk_writel(PERIPH_CLK_TO_ENB_BIT(c),
- CLK_OUT_ENB_CLR + PERIPH_CLK_TO_ENB_SET_REG(c));
-}
-
-static unsigned long tegra20_cdev_recalc_rate(struct clk_hw *hw,
- unsigned long prate)
-{
- return to_clk_tegra(hw)->fixed_rate;
-}
-
-struct clk_ops tegra_cdev_clk_ops = {
- .is_enabled = tegra20_cdev_clk_is_enabled,
- .enable = tegra20_cdev_clk_enable,
- .disable = tegra20_cdev_clk_disable,
- .recalc_rate = tegra20_cdev_recalc_rate,
-};
-
-/* Tegra20 CPU clock and reset control functions */
-static void tegra20_wait_cpu_in_reset(u32 cpu)
-{
- unsigned int reg;
-
- do {
- reg = readl(reg_clk_base +
- TEGRA_CLK_RST_CONTROLLER_RST_CPU_CMPLX_SET);
- cpu_relax();
- } while (!(reg & (1 << cpu))); /* check CPU been reset or not */
-
- return;
-}
-
-static void tegra20_put_cpu_in_reset(u32 cpu)
-{
- writel(CPU_RESET(cpu),
- reg_clk_base + TEGRA_CLK_RST_CONTROLLER_RST_CPU_CMPLX_SET);
- dmb();
-}
-
-static void tegra20_cpu_out_of_reset(u32 cpu)
-{
- writel(CPU_RESET(cpu),
- reg_clk_base + TEGRA_CLK_RST_CONTROLLER_RST_CPU_CMPLX_CLR);
- wmb();
-}
-
-static void tegra20_enable_cpu_clock(u32 cpu)
-{
- unsigned int reg;
-
- reg = readl(reg_clk_base + TEGRA_CLK_RST_CONTROLLER_CLK_CPU_CMPLX);
- writel(reg & ~CPU_CLOCK(cpu),
- reg_clk_base + TEGRA_CLK_RST_CONTROLLER_CLK_CPU_CMPLX);
- barrier();
- reg = readl(reg_clk_base + TEGRA_CLK_RST_CONTROLLER_CLK_CPU_CMPLX);
-}
-
-static void tegra20_disable_cpu_clock(u32 cpu)
-{
- unsigned int reg;
-
- reg = readl(reg_clk_base + TEGRA_CLK_RST_CONTROLLER_CLK_CPU_CMPLX);
- writel(reg | CPU_CLOCK(cpu),
- reg_clk_base + TEGRA_CLK_RST_CONTROLLER_CLK_CPU_CMPLX);
-}
-
-static struct tegra_cpu_car_ops tegra20_cpu_car_ops = {
- .wait_for_reset = tegra20_wait_cpu_in_reset,
- .put_in_reset = tegra20_put_cpu_in_reset,
- .out_of_reset = tegra20_cpu_out_of_reset,
- .enable_clock = tegra20_enable_cpu_clock,
- .disable_clock = tegra20_disable_cpu_clock,
-};
-
-void __init tegra20_cpu_car_ops_init(void)
-{
- tegra_cpu_car_ops = &tegra20_cpu_car_ops;
-}
+++ /dev/null
-/*
- * Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#ifndef __MACH_TEGRA20_CLOCK_H
-#define __MACH_TEGRA20_CLOCK_H
-
-extern struct clk_ops tegra_clk_32k_ops;
-extern struct clk_ops tegra_pll_ops;
-extern struct clk_ops tegra_clk_m_ops;
-extern struct clk_ops tegra_pll_div_ops;
-extern struct clk_ops tegra_pllx_ops;
-extern struct clk_ops tegra_plle_ops;
-extern struct clk_ops tegra_clk_double_ops;
-extern struct clk_ops tegra_cdev_clk_ops;
-extern struct clk_ops tegra_audio_sync_clk_ops;
-extern struct clk_ops tegra_super_ops;
-extern struct clk_ops tegra_cpu_ops;
-extern struct clk_ops tegra_twd_ops;
-extern struct clk_ops tegra_cop_ops;
-extern struct clk_ops tegra_bus_ops;
-extern struct clk_ops tegra_blink_clk_ops;
-extern struct clk_ops tegra_emc_clk_ops;
-extern struct clk_ops tegra_periph_clk_ops;
-extern struct clk_ops tegra_clk_shared_bus_ops;
-
-void tegra2_periph_clk_reset(struct clk_hw *hw, bool assert);
-void tegra2_cop_clk_reset(struct clk_hw *hw, bool assert);
-
-#endif
+++ /dev/null
-/*
- * arch/arm/mach-tegra/tegra2_clocks.c
- *
- * Copyright (C) 2010 Google, Inc.
- * Copyright (c) 2012 NVIDIA CORPORATION. All rights reserved.
- *
- * Author:
- * Colin Cross <ccross@google.com>
- *
- * This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- */
-
-#include <linux/clk-private.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/list.h>
-#include <linux/spinlock.h>
-#include <linux/delay.h>
-#include <linux/io.h>
-#include <linux/clk.h>
-#include <linux/clk/tegra.h>
-
-#include "clock.h"
-#include "fuse.h"
-#include "tegra2_emc.h"
-#include "tegra20_clocks.h"
-
-/* Clock definitions */
-
-#define DEFINE_CLK_TEGRA(_name, _rate, _ops, _flags, \
- _parent_names, _parents, _parent) \
- static struct clk tegra_##_name = { \
- .hw = &tegra_##_name##_hw.hw, \
- .name = #_name, \
- .rate = _rate, \
- .ops = _ops, \
- .flags = _flags, \
- .parent_names = _parent_names, \
- .parents = _parents, \
- .num_parents = ARRAY_SIZE(_parent_names), \
- .parent = _parent, \
- };
-
-static struct clk tegra_clk_32k;
-static struct clk_tegra tegra_clk_32k_hw = {
- .hw = {
- .clk = &tegra_clk_32k,
- },
- .fixed_rate = 32768,
-};
-
-static struct clk tegra_clk_32k = {
- .name = "clk_32k",
- .rate = 32768,
- .ops = &tegra_clk_32k_ops,
- .hw = &tegra_clk_32k_hw.hw,
- .flags = CLK_IS_ROOT,
-};
-
-static struct clk tegra_clk_m;
-static struct clk_tegra tegra_clk_m_hw = {
- .hw = {
- .clk = &tegra_clk_m,
- },
- .flags = ENABLE_ON_INIT,
- .reg = 0x1fc,
- .reg_shift = 28,
- .max_rate = 26000000,
- .fixed_rate = 0,
-};
-
-static struct clk tegra_clk_m = {
- .name = "clk_m",
- .ops = &tegra_clk_m_ops,
- .hw = &tegra_clk_m_hw.hw,
- .flags = CLK_IS_ROOT,
-};
-
-#define DEFINE_PLL(_name, _flags, _reg, _max_rate, _input_min, \
- _input_max, _cf_min, _cf_max, _vco_min, \
- _vco_max, _freq_table, _lock_delay, _ops, \
- _fixed_rate, _parent) \
- static const char *tegra_##_name##_parent_names[] = { \
- #_parent, \
- }; \
- static struct clk *tegra_##_name##_parents[] = { \
- &tegra_##_parent, \
- }; \
- static struct clk tegra_##_name; \
- static struct clk_tegra tegra_##_name##_hw = { \
- .hw = { \
- .clk = &tegra_##_name, \
- }, \
- .flags = _flags, \
- .reg = _reg, \
- .max_rate = _max_rate, \
- .u.pll = { \
- .input_min = _input_min, \
- .input_max = _input_max, \
- .cf_min = _cf_min, \
- .cf_max = _cf_max, \
- .vco_min = _vco_min, \
- .vco_max = _vco_max, \
- .freq_table = _freq_table, \
- .lock_delay = _lock_delay, \
- .fixed_rate = _fixed_rate, \
- }, \
- }; \
- static struct clk tegra_##_name = { \
- .name = #_name, \
- .ops = &_ops, \
- .hw = &tegra_##_name##_hw.hw, \
- .parent = &tegra_##_parent, \
- .parent_names = tegra_##_name##_parent_names, \
- .parents = tegra_##_name##_parents, \
- .num_parents = 1, \
- };
-
-#define DEFINE_PLL_OUT(_name, _flags, _reg, _reg_shift, \
- _max_rate, _ops, _parent, _clk_flags) \
- static const char *tegra_##_name##_parent_names[] = { \
- #_parent, \
- }; \
- static struct clk *tegra_##_name##_parents[] = { \
- &tegra_##_parent, \
- }; \
- static struct clk tegra_##_name; \
- static struct clk_tegra tegra_##_name##_hw = { \
- .hw = { \
- .clk = &tegra_##_name, \
- }, \
- .flags = _flags, \
- .reg = _reg, \
- .max_rate = _max_rate, \
- .reg_shift = _reg_shift, \
- }; \
- static struct clk tegra_##_name = { \
- .name = #_name, \
- .ops = &tegra_pll_div_ops, \
- .hw = &tegra_##_name##_hw.hw, \
- .parent = &tegra_##_parent, \
- .parent_names = tegra_##_name##_parent_names, \
- .parents = tegra_##_name##_parents, \
- .num_parents = 1, \
- .flags = _clk_flags, \
- };
-
-
-static struct clk_pll_freq_table tegra_pll_s_freq_table[] = {
- {32768, 12000000, 366, 1, 1, 0},
- {32768, 13000000, 397, 1, 1, 0},
- {32768, 19200000, 586, 1, 1, 0},
- {32768, 26000000, 793, 1, 1, 0},
- {0, 0, 0, 0, 0, 0},
-};
-
-DEFINE_PLL(pll_s, PLL_ALT_MISC_REG, 0xf0, 26000000, 32768, 32768, 0,
- 0, 12000000, 26000000, tegra_pll_s_freq_table, 300,
- tegra_pll_ops, 0, clk_32k);
-
-static struct clk_pll_freq_table tegra_pll_c_freq_table[] = {
- { 12000000, 600000000, 600, 12, 1, 8 },
- { 13000000, 600000000, 600, 13, 1, 8 },
- { 19200000, 600000000, 500, 16, 1, 6 },
- { 26000000, 600000000, 600, 26, 1, 8 },
- { 0, 0, 0, 0, 0, 0 },
-};
-
-DEFINE_PLL(pll_c, PLL_HAS_CPCON, 0x80, 600000000, 2000000, 31000000, 1000000,
- 6000000, 20000000, 1400000000, tegra_pll_c_freq_table, 300,
- tegra_pll_ops, 0, clk_m);
-
-DEFINE_PLL_OUT(pll_c_out1, DIV_U71, 0x84, 0, 600000000,
- tegra_pll_div_ops, pll_c, 0);
-
-static struct clk_pll_freq_table tegra_pll_m_freq_table[] = {
- { 12000000, 666000000, 666, 12, 1, 8},
- { 13000000, 666000000, 666, 13, 1, 8},
- { 19200000, 666000000, 555, 16, 1, 8},
- { 26000000, 666000000, 666, 26, 1, 8},
- { 12000000, 600000000, 600, 12, 1, 8},
- { 13000000, 600000000, 600, 13, 1, 8},
- { 19200000, 600000000, 375, 12, 1, 6},
- { 26000000, 600000000, 600, 26, 1, 8},
- { 0, 0, 0, 0, 0, 0 },
-};
-
-DEFINE_PLL(pll_m, PLL_HAS_CPCON, 0x90, 800000000, 2000000, 31000000, 1000000,
- 6000000, 20000000, 1200000000, tegra_pll_m_freq_table, 300,
- tegra_pll_ops, 0, clk_m);
-
-DEFINE_PLL_OUT(pll_m_out1, DIV_U71, 0x94, 0, 600000000,
- tegra_pll_div_ops, pll_m, 0);
-
-static struct clk_pll_freq_table tegra_pll_p_freq_table[] = {
- { 12000000, 216000000, 432, 12, 2, 8},
- { 13000000, 216000000, 432, 13, 2, 8},
- { 19200000, 216000000, 90, 4, 2, 1},
- { 26000000, 216000000, 432, 26, 2, 8},
- { 12000000, 432000000, 432, 12, 1, 8},
- { 13000000, 432000000, 432, 13, 1, 8},
- { 19200000, 432000000, 90, 4, 1, 1},
- { 26000000, 432000000, 432, 26, 1, 8},
- { 0, 0, 0, 0, 0, 0 },
-};
-
-
-DEFINE_PLL(pll_p, ENABLE_ON_INIT | PLL_FIXED | PLL_HAS_CPCON, 0xa0, 432000000,
- 2000000, 31000000, 1000000, 6000000, 20000000, 1400000000,
- tegra_pll_p_freq_table, 300, tegra_pll_ops, 216000000, clk_m);
-
-DEFINE_PLL_OUT(pll_p_out1, ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, 0xa4, 0,
- 432000000, tegra_pll_div_ops, pll_p, 0);
-DEFINE_PLL_OUT(pll_p_out2, ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, 0xa4, 16,
- 432000000, tegra_pll_div_ops, pll_p, 0);
-DEFINE_PLL_OUT(pll_p_out3, ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, 0xa8, 0,
- 432000000, tegra_pll_div_ops, pll_p, 0);
-DEFINE_PLL_OUT(pll_p_out4, ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, 0xa8, 16,
- 432000000, tegra_pll_div_ops, pll_p, 0);
-
-static struct clk_pll_freq_table tegra_pll_a_freq_table[] = {
- { 28800000, 56448000, 49, 25, 1, 1},
- { 28800000, 73728000, 64, 25, 1, 1},
- { 28800000, 24000000, 5, 6, 1, 1},
- { 0, 0, 0, 0, 0, 0 },
-};
-
-DEFINE_PLL(pll_a, PLL_HAS_CPCON, 0xb0, 73728000, 2000000, 31000000, 1000000,
- 6000000, 20000000, 1400000000, tegra_pll_a_freq_table, 300,
- tegra_pll_ops, 0, pll_p_out1);
-
-DEFINE_PLL_OUT(pll_a_out0, DIV_U71, 0xb4, 0, 73728000,
- tegra_pll_div_ops, pll_a, 0);
-
-static struct clk_pll_freq_table tegra_pll_d_freq_table[] = {
- { 12000000, 216000000, 216, 12, 1, 4},
- { 13000000, 216000000, 216, 13, 1, 4},
- { 19200000, 216000000, 135, 12, 1, 3},
- { 26000000, 216000000, 216, 26, 1, 4},
-
- { 12000000, 297000000, 99, 4, 1, 4 },
- { 12000000, 339000000, 113, 4, 1, 4 },
-
- { 12000000, 594000000, 594, 12, 1, 8},
- { 13000000, 594000000, 594, 13, 1, 8},
- { 19200000, 594000000, 495, 16, 1, 8},
- { 26000000, 594000000, 594, 26, 1, 8},
-
- { 12000000, 616000000, 616, 12, 1, 8},
-
- { 12000000, 1000000000, 1000, 12, 1, 12},
- { 13000000, 1000000000, 1000, 13, 1, 12},
- { 19200000, 1000000000, 625, 12, 1, 8},
- { 26000000, 1000000000, 1000, 26, 1, 12},
-
- { 0, 0, 0, 0, 0, 0 },
-};
-
-DEFINE_PLL(pll_d, PLL_HAS_CPCON | PLLD, 0xd0, 1000000000, 2000000, 40000000,
- 1000000, 6000000, 40000000, 1000000000, tegra_pll_d_freq_table,
- 1000, tegra_pll_ops, 0, clk_m);
-
-DEFINE_PLL_OUT(pll_d_out0, DIV_2 | PLLD, 0, 0, 500000000,
- tegra_pll_div_ops, pll_d, CLK_SET_RATE_PARENT);
-
-static struct clk_pll_freq_table tegra_pll_u_freq_table[] = {
- { 12000000, 480000000, 960, 12, 2, 0},
- { 13000000, 480000000, 960, 13, 2, 0},
- { 19200000, 480000000, 200, 4, 2, 0},
- { 26000000, 480000000, 960, 26, 2, 0},
- { 0, 0, 0, 0, 0, 0 },
-};
-
-DEFINE_PLL(pll_u, PLLU, 0xc0, 480000000, 2000000, 40000000, 1000000, 6000000,
- 48000000, 960000000, tegra_pll_u_freq_table, 1000,
- tegra_pll_ops, 0, clk_m);
-
-static struct clk_pll_freq_table tegra_pll_x_freq_table[] = {
- /* 1 GHz */
- { 12000000, 1000000000, 1000, 12, 1, 12},
- { 13000000, 1000000000, 1000, 13, 1, 12},
- { 19200000, 1000000000, 625, 12, 1, 8},
- { 26000000, 1000000000, 1000, 26, 1, 12},
-
- /* 912 MHz */
- { 12000000, 912000000, 912, 12, 1, 12},
- { 13000000, 912000000, 912, 13, 1, 12},
- { 19200000, 912000000, 760, 16, 1, 8},
- { 26000000, 912000000, 912, 26, 1, 12},
-
- /* 816 MHz */
- { 12000000, 816000000, 816, 12, 1, 12},
- { 13000000, 816000000, 816, 13, 1, 12},
- { 19200000, 816000000, 680, 16, 1, 8},
- { 26000000, 816000000, 816, 26, 1, 12},
-
- /* 760 MHz */
- { 12000000, 760000000, 760, 12, 1, 12},
- { 13000000, 760000000, 760, 13, 1, 12},
- { 19200000, 760000000, 950, 24, 1, 8},
- { 26000000, 760000000, 760, 26, 1, 12},
-
- /* 750 MHz */
- { 12000000, 750000000, 750, 12, 1, 12},
- { 13000000, 750000000, 750, 13, 1, 12},
- { 19200000, 750000000, 625, 16, 1, 8},
- { 26000000, 750000000, 750, 26, 1, 12},
-
- /* 608 MHz */
- { 12000000, 608000000, 608, 12, 1, 12},
- { 13000000, 608000000, 608, 13, 1, 12},
- { 19200000, 608000000, 380, 12, 1, 8},
- { 26000000, 608000000, 608, 26, 1, 12},
-
- /* 456 MHz */
- { 12000000, 456000000, 456, 12, 1, 12},
- { 13000000, 456000000, 456, 13, 1, 12},
- { 19200000, 456000000, 380, 16, 1, 8},
- { 26000000, 456000000, 456, 26, 1, 12},
-
- /* 312 MHz */
- { 12000000, 312000000, 312, 12, 1, 12},
- { 13000000, 312000000, 312, 13, 1, 12},
- { 19200000, 312000000, 260, 16, 1, 8},
- { 26000000, 312000000, 312, 26, 1, 12},
-
- { 0, 0, 0, 0, 0, 0 },
-};
-
-DEFINE_PLL(pll_x, PLL_HAS_CPCON | PLL_ALT_MISC_REG, 0xe0, 1000000000, 2000000,
- 31000000, 1000000, 6000000, 20000000, 1200000000,
- tegra_pll_x_freq_table, 300, tegra_pllx_ops, 0, clk_m);
-
-static struct clk_pll_freq_table tegra_pll_e_freq_table[] = {
- { 12000000, 100000000, 200, 24, 1, 0 },
- { 0, 0, 0, 0, 0, 0 },
-};
-
-DEFINE_PLL(pll_e, PLL_ALT_MISC_REG, 0xe8, 100000000, 12000000, 12000000, 0, 0,
- 0, 0, tegra_pll_e_freq_table, 0, tegra_plle_ops, 0, clk_m);
-
-static const char *tegra_common_parent_names[] = {
- "clk_m",
-};
-
-static struct clk *tegra_common_parents[] = {
- &tegra_clk_m,
-};
-
-static struct clk tegra_clk_d;
-static struct clk_tegra tegra_clk_d_hw = {
- .hw = {
- .clk = &tegra_clk_d,
- },
- .flags = PERIPH_NO_RESET,
- .reg = 0x34,
- .reg_shift = 12,
- .max_rate = 52000000,
- .u.periph = {
- .clk_num = 90,
- },
-};
-
-static struct clk tegra_clk_d = {
- .name = "clk_d",
- .hw = &tegra_clk_d_hw.hw,
- .ops = &tegra_clk_double_ops,
- .parent = &tegra_clk_m,
- .parent_names = tegra_common_parent_names,
- .parents = tegra_common_parents,
- .num_parents = ARRAY_SIZE(tegra_common_parent_names),
-};
-
-static struct clk tegra_cdev1;
-static struct clk_tegra tegra_cdev1_hw = {
- .hw = {
- .clk = &tegra_cdev1,
- },
- .fixed_rate = 26000000,
- .u.periph = {
- .clk_num = 94,
- },
-};
-static struct clk tegra_cdev1 = {
- .name = "cdev1",
- .hw = &tegra_cdev1_hw.hw,
- .ops = &tegra_cdev_clk_ops,
- .flags = CLK_IS_ROOT,
-};
-
-/* dap_mclk2, belongs to the cdev2 pingroup. */
-static struct clk tegra_cdev2;
-static struct clk_tegra tegra_cdev2_hw = {
- .hw = {
- .clk = &tegra_cdev2,
- },
- .fixed_rate = 26000000,
- .u.periph = {
- .clk_num = 93,
- },
-};
-static struct clk tegra_cdev2 = {
- .name = "cdev2",
- .hw = &tegra_cdev2_hw.hw,
- .ops = &tegra_cdev_clk_ops,
- .flags = CLK_IS_ROOT,
-};
-
-/* initialized before peripheral clocks */
-static struct clk_mux_sel mux_audio_sync_clk[8+1];
-static const struct audio_sources {
- const char *name;
- int value;
-} mux_audio_sync_clk_sources[] = {
- { .name = "spdif_in", .value = 0 },
- { .name = "i2s1", .value = 1 },
- { .name = "i2s2", .value = 2 },
- { .name = "pll_a_out0", .value = 4 },
-#if 0 /* FIXME: not implemented */
- { .name = "ac97", .value = 3 },
- { .name = "ext_audio_clk2", .value = 5 },
- { .name = "ext_audio_clk1", .value = 6 },
- { .name = "ext_vimclk", .value = 7 },
-#endif
- { NULL, 0 }
-};
-
-static const char *audio_parent_names[] = {
- "spdif_in",
- "i2s1",
- "i2s2",
- "dummy",
- "pll_a_out0",
- "dummy",
- "dummy",
- "dummy",
-};
-
-static struct clk *audio_parents[] = {
- NULL,
- NULL,
- NULL,
- NULL,
- NULL,
- NULL,
- NULL,
- NULL,
-};
-
-static struct clk tegra_audio;
-static struct clk_tegra tegra_audio_hw = {
- .hw = {
- .clk = &tegra_audio,
- },
- .reg = 0x38,
- .max_rate = 73728000,
-};
-DEFINE_CLK_TEGRA(audio, 0, &tegra_audio_sync_clk_ops, 0, audio_parent_names,
- audio_parents, NULL);
-
-static const char *audio_2x_parent_names[] = {
- "audio",
-};
-
-static struct clk *audio_2x_parents[] = {
- &tegra_audio,
-};
-
-static struct clk tegra_audio_2x;
-static struct clk_tegra tegra_audio_2x_hw = {
- .hw = {
- .clk = &tegra_audio_2x,
- },
- .flags = PERIPH_NO_RESET,
- .max_rate = 48000000,
- .reg = 0x34,
- .reg_shift = 8,
- .u.periph = {
- .clk_num = 89,
- },
-};
-DEFINE_CLK_TEGRA(audio_2x, 0, &tegra_clk_double_ops, 0, audio_2x_parent_names,
- audio_2x_parents, &tegra_audio);
-
-static struct clk_lookup tegra_audio_clk_lookups[] = {
- { .con_id = "audio", .clk = &tegra_audio },
- { .con_id = "audio_2x", .clk = &tegra_audio_2x }
-};
-
-/* This is called after peripheral clocks are initialized, as the
- * audio_sync clock depends on some of the peripheral clocks.
- */
-
-static void init_audio_sync_clock_mux(void)
-{
- int i;
- struct clk_mux_sel *sel = mux_audio_sync_clk;
- const struct audio_sources *src = mux_audio_sync_clk_sources;
- struct clk_lookup *lookup;
-
- for (i = 0; src->name; i++, sel++, src++) {
- sel->input = tegra_get_clock_by_name(src->name);
- if (!sel->input)
- pr_err("%s: could not find clk %s\n", __func__,
- src->name);
- audio_parents[src->value] = sel->input;
- sel->value = src->value;
- }
-
- lookup = tegra_audio_clk_lookups;
- for (i = 0; i < ARRAY_SIZE(tegra_audio_clk_lookups); i++, lookup++) {
- struct clk *c = lookup->clk;
- struct clk_tegra *clk = to_clk_tegra(c->hw);
- __clk_init(NULL, c);
- INIT_LIST_HEAD(&clk->shared_bus_list);
- clk->lookup.con_id = lookup->con_id;
- clk->lookup.clk = c;
- clkdev_add(&clk->lookup);
- tegra_clk_add(c);
- }
-}
-
-static const char *mux_cclk[] = {
- "clk_m",
- "pll_c",
- "clk_32k",
- "pll_m",
- "pll_p",
- "pll_p_out4",
- "pll_p_out3",
- "clk_d",
- "pll_x",
-};
-
-
-static struct clk *mux_cclk_p[] = {
- &tegra_clk_m,
- &tegra_pll_c,
- &tegra_clk_32k,
- &tegra_pll_m,
- &tegra_pll_p,
- &tegra_pll_p_out4,
- &tegra_pll_p_out3,
- &tegra_clk_d,
- &tegra_pll_x,
-};
-
-static const char *mux_sclk[] = {
- "clk_m",
- "pll_c_out1",
- "pll_p_out4",
- "pllp_p_out3",
- "pll_p_out2",
- "clk_d",
- "clk_32k",
- "pll_m_out1",
-};
-
-static struct clk *mux_sclk_p[] = {
- &tegra_clk_m,
- &tegra_pll_c_out1,
- &tegra_pll_p_out4,
- &tegra_pll_p_out3,
- &tegra_pll_p_out2,
- &tegra_clk_d,
- &tegra_clk_32k,
- &tegra_pll_m_out1,
-};
-
-static struct clk tegra_cclk;
-static struct clk_tegra tegra_cclk_hw = {
- .hw = {
- .clk = &tegra_cclk,
- },
- .reg = 0x20,
- .max_rate = 1000000000,
-};
-DEFINE_CLK_TEGRA(cclk, 0, &tegra_super_ops, 0, mux_cclk,
- mux_cclk_p, NULL);
-
-static const char *mux_twd[] = {
- "cclk",
-};
-
-static struct clk *mux_twd_p[] = {
- &tegra_cclk,
-};
-
-static struct clk tegra_clk_twd;
-static struct clk_tegra tegra_clk_twd_hw = {
- .hw = {
- .clk = &tegra_clk_twd,
- },
- .max_rate = 1000000000,
- .mul = 1,
- .div = 4,
-};
-
-static struct clk tegra_clk_twd = {
- .name = "twd",
- .ops = &tegra_twd_ops,
- .hw = &tegra_clk_twd_hw.hw,
- .parent = &tegra_cclk,
- .parent_names = mux_twd,
- .parents = mux_twd_p,
- .num_parents = ARRAY_SIZE(mux_twd),
-};
-
-static struct clk tegra_sclk;
-static struct clk_tegra tegra_sclk_hw = {
- .hw = {
- .clk = &tegra_sclk,
- },
- .reg = 0x28,
- .max_rate = 240000000,
- .min_rate = 120000000,
-};
-DEFINE_CLK_TEGRA(sclk, 0, &tegra_super_ops, 0, mux_sclk,
- mux_sclk_p, NULL);
-
-static const char *tegra_cop_parent_names[] = {
- "tegra_sclk",
-};
-
-static struct clk *tegra_cop_parents[] = {
- &tegra_sclk,
-};
-
-static struct clk tegra_cop;
-static struct clk_tegra tegra_cop_hw = {
- .hw = {
- .clk = &tegra_cop,
- },
- .max_rate = 240000000,
- .reset = &tegra2_cop_clk_reset,
-};
-DEFINE_CLK_TEGRA(cop, 0, &tegra_cop_ops, CLK_SET_RATE_PARENT,
- tegra_cop_parent_names, tegra_cop_parents, &tegra_sclk);
-
-static const char *tegra_hclk_parent_names[] = {
- "tegra_sclk",
-};
-
-static struct clk *tegra_hclk_parents[] = {
- &tegra_sclk,
-};
-
-static struct clk tegra_hclk;
-static struct clk_tegra tegra_hclk_hw = {
- .hw = {
- .clk = &tegra_hclk,
- },
- .flags = DIV_BUS,
- .reg = 0x30,
- .reg_shift = 4,
- .max_rate = 240000000,
-};
-DEFINE_CLK_TEGRA(hclk, 0, &tegra_bus_ops, 0, tegra_hclk_parent_names,
- tegra_hclk_parents, &tegra_sclk);
-
-static const char *tegra_pclk_parent_names[] = {
- "tegra_hclk",
-};
-
-static struct clk *tegra_pclk_parents[] = {
- &tegra_hclk,
-};
-
-static struct clk tegra_pclk;
-static struct clk_tegra tegra_pclk_hw = {
- .hw = {
- .clk = &tegra_pclk,
- },
- .flags = DIV_BUS,
- .reg = 0x30,
- .reg_shift = 0,
- .max_rate = 120000000,
-};
-DEFINE_CLK_TEGRA(pclk, 0, &tegra_bus_ops, 0, tegra_pclk_parent_names,
- tegra_pclk_parents, &tegra_hclk);
-
-static const char *tegra_blink_parent_names[] = {
- "clk_32k",
-};
-
-static struct clk *tegra_blink_parents[] = {
- &tegra_clk_32k,
-};
-
-static struct clk tegra_blink;
-static struct clk_tegra tegra_blink_hw = {
- .hw = {
- .clk = &tegra_blink,
- },
- .reg = 0x40,
- .max_rate = 32768,
-};
-DEFINE_CLK_TEGRA(blink, 0, &tegra_blink_clk_ops, 0, tegra_blink_parent_names,
- tegra_blink_parents, &tegra_clk_32k);
-
-static const char *mux_pllm_pllc_pllp_plla[] = {
- "pll_m",
- "pll_c",
- "pll_p",
- "pll_a_out0",
-};
-
-static struct clk *mux_pllm_pllc_pllp_plla_p[] = {
- &tegra_pll_m,
- &tegra_pll_c,
- &tegra_pll_p,
- &tegra_pll_a_out0,
-};
-
-static const char *mux_pllm_pllc_pllp_clkm[] = {
- "pll_m",
- "pll_c",
- "pll_p",
- "clk_m",
-};
-
-static struct clk *mux_pllm_pllc_pllp_clkm_p[] = {
- &tegra_pll_m,
- &tegra_pll_c,
- &tegra_pll_p,
- &tegra_clk_m,
-};
-
-static const char *mux_pllp_pllc_pllm_clkm[] = {
- "pll_p",
- "pll_c",
- "pll_m",
- "clk_m",
-};
-
-static struct clk *mux_pllp_pllc_pllm_clkm_p[] = {
- &tegra_pll_p,
- &tegra_pll_c,
- &tegra_pll_m,
- &tegra_clk_m,
-};
-
-static const char *mux_pllaout0_audio2x_pllp_clkm[] = {
- "pll_a_out0",
- "audio_2x",
- "pll_p",
- "clk_m",
-};
-
-static struct clk *mux_pllaout0_audio2x_pllp_clkm_p[] = {
- &tegra_pll_a_out0,
- &tegra_audio_2x,
- &tegra_pll_p,
- &tegra_clk_m,
-};
-
-static const char *mux_pllp_plld_pllc_clkm[] = {
- "pllp",
- "pll_d_out0",
- "pll_c",
- "clk_m",
-};
-
-static struct clk *mux_pllp_plld_pllc_clkm_p[] = {
- &tegra_pll_p,
- &tegra_pll_d_out0,
- &tegra_pll_c,
- &tegra_clk_m,
-};
-
-static const char *mux_pllp_pllc_audio_clkm_clk32[] = {
- "pll_p",
- "pll_c",
- "audio",
- "clk_m",
- "clk_32k",
-};
-
-static struct clk *mux_pllp_pllc_audio_clkm_clk32_p[] = {
- &tegra_pll_p,
- &tegra_pll_c,
- &tegra_audio,
- &tegra_clk_m,
- &tegra_clk_32k,
-};
-
-static const char *mux_pllp_pllc_pllm[] = {
- "pll_p",
- "pll_c",
- "pll_m"
-};
-
-static struct clk *mux_pllp_pllc_pllm_p[] = {
- &tegra_pll_p,
- &tegra_pll_c,
- &tegra_pll_m,
-};
-
-static const char *mux_clk_m[] = {
- "clk_m",
-};
-
-static struct clk *mux_clk_m_p[] = {
- &tegra_clk_m,
-};
-
-static const char *mux_pllp_out3[] = {
- "pll_p_out3",
-};
-
-static struct clk *mux_pllp_out3_p[] = {
- &tegra_pll_p_out3,
-};
-
-static const char *mux_plld[] = {
- "pll_d",
-};
-
-static struct clk *mux_plld_p[] = {
- &tegra_pll_d,
-};
-
-static const char *mux_clk_32k[] = {
- "clk_32k",
-};
-
-static struct clk *mux_clk_32k_p[] = {
- &tegra_clk_32k,
-};
-
-static const char *mux_pclk[] = {
- "pclk",
-};
-
-static struct clk *mux_pclk_p[] = {
- &tegra_pclk,
-};
-
-static struct clk tegra_emc;
-static struct clk_tegra tegra_emc_hw = {
- .hw = {
- .clk = &tegra_emc,
- },
- .reg = 0x19c,
- .max_rate = 800000000,
- .flags = MUX | DIV_U71 | PERIPH_EMC_ENB,
- .reset = &tegra2_periph_clk_reset,
- .u.periph = {
- .clk_num = 57,
- },
-};
-DEFINE_CLK_TEGRA(emc, 0, &tegra_emc_clk_ops, 0, mux_pllm_pllc_pllp_clkm,
- mux_pllm_pllc_pllp_clkm_p, NULL);
-
-#define PERIPH_CLK(_name, _dev, _con, _clk_num, _reg, \
- _max, _inputs, _flags) \
- static struct clk tegra_##_name; \
- static struct clk_tegra tegra_##_name##_hw = { \
- .hw = { \
- .clk = &tegra_##_name, \
- }, \
- .lookup = { \
- .dev_id = _dev, \
- .con_id = _con, \
- }, \
- .reg = _reg, \
- .flags = _flags, \
- .max_rate = _max, \
- .u.periph = { \
- .clk_num = _clk_num, \
- }, \
- .reset = tegra2_periph_clk_reset, \
- }; \
- static struct clk tegra_##_name = { \
- .name = #_name, \
- .ops = &tegra_periph_clk_ops, \
- .hw = &tegra_##_name##_hw.hw, \
- .parent_names = _inputs, \
- .parents = _inputs##_p, \
- .num_parents = ARRAY_SIZE(_inputs), \
- };
-
-PERIPH_CLK(apbdma, "tegra-apbdma", NULL, 34, 0, 108000000, mux_pclk, 0);
-PERIPH_CLK(rtc, "rtc-tegra", NULL, 4, 0, 32768, mux_clk_32k, PERIPH_NO_RESET);
-PERIPH_CLK(timer, "timer", NULL, 5, 0, 26000000, mux_clk_m, 0);
-PERIPH_CLK(i2s1, "tegra20-i2s.0", NULL, 11, 0x100, 26000000, mux_pllaout0_audio2x_pllp_clkm, MUX | DIV_U71);
-PERIPH_CLK(i2s2, "tegra20-i2s.1", NULL, 18, 0x104, 26000000, mux_pllaout0_audio2x_pllp_clkm, MUX | DIV_U71);
-PERIPH_CLK(spdif_out, "spdif_out", NULL, 10, 0x108, 100000000, mux_pllaout0_audio2x_pllp_clkm, MUX | DIV_U71);
-PERIPH_CLK(spdif_in, "spdif_in", NULL, 10, 0x10c, 100000000, mux_pllp_pllc_pllm, MUX | DIV_U71);
-PERIPH_CLK(pwm, "tegra-pwm", NULL, 17, 0x110, 432000000, mux_pllp_pllc_audio_clkm_clk32, MUX | DIV_U71 | MUX_PWM);
-PERIPH_CLK(spi, "spi", NULL, 43, 0x114, 40000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71);
-PERIPH_CLK(xio, "xio", NULL, 45, 0x120, 150000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71);
-PERIPH_CLK(twc, "twc", NULL, 16, 0x12c, 150000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71);
-PERIPH_CLK(sbc1, "spi_tegra.0", NULL, 41, 0x134, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71);
-PERIPH_CLK(sbc2, "spi_tegra.1", NULL, 44, 0x118, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71);
-PERIPH_CLK(sbc3, "spi_tegra.2", NULL, 46, 0x11c, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71);
-PERIPH_CLK(sbc4, "spi_tegra.3", NULL, 68, 0x1b4, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71);
-PERIPH_CLK(ide, "ide", NULL, 25, 0x144, 100000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); /* requires min voltage */
-PERIPH_CLK(ndflash, "tegra_nand", NULL, 13, 0x160, 164000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); /* scales with voltage */
-PERIPH_CLK(vfir, "vfir", NULL, 7, 0x168, 72000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71);
-PERIPH_CLK(sdmmc1, "sdhci-tegra.0", NULL, 14, 0x150, 52000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); /* scales with voltage */
-PERIPH_CLK(sdmmc2, "sdhci-tegra.1", NULL, 9, 0x154, 52000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); /* scales with voltage */
-PERIPH_CLK(sdmmc3, "sdhci-tegra.2", NULL, 69, 0x1bc, 52000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); /* scales with voltage */
-PERIPH_CLK(sdmmc4, "sdhci-tegra.3", NULL, 15, 0x164, 52000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); /* scales with voltage */
-PERIPH_CLK(vcp, "tegra-avp", "vcp", 29, 0, 250000000, mux_clk_m, 0);
-PERIPH_CLK(bsea, "tegra-avp", "bsea", 62, 0, 250000000, mux_clk_m, 0);
-PERIPH_CLK(bsev, "tegra-aes", "bsev", 63, 0, 250000000, mux_clk_m, 0);
-PERIPH_CLK(vde, "tegra-avp", "vde", 61, 0x1c8, 250000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); /* scales with voltage and process_id */
-PERIPH_CLK(csite, "csite", NULL, 73, 0x1d4, 144000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); /* max rate ??? */
-/* FIXME: what is la? */
-PERIPH_CLK(la, "la", NULL, 76, 0x1f8, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71);
-PERIPH_CLK(owr, "tegra_w1", NULL, 71, 0x1cc, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71);
-PERIPH_CLK(nor, "nor", NULL, 42, 0x1d0, 92000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); /* requires min voltage */
-PERIPH_CLK(mipi, "mipi", NULL, 50, 0x174, 60000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); /* scales with voltage */
-PERIPH_CLK(i2c1, "tegra-i2c.0", "div-clk", 12, 0x124, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U16);
-PERIPH_CLK(i2c2, "tegra-i2c.1", "div-clk", 54, 0x198, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U16);
-PERIPH_CLK(i2c3, "tegra-i2c.2", "div-clk", 67, 0x1b8, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U16);
-PERIPH_CLK(dvc, "tegra-i2c.3", "div-clk", 47, 0x128, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U16);
-PERIPH_CLK(uarta, "tegra-uart.0", NULL, 6, 0x178, 600000000, mux_pllp_pllc_pllm_clkm, MUX);
-PERIPH_CLK(uartb, "tegra-uart.1", NULL, 7, 0x17c, 600000000, mux_pllp_pllc_pllm_clkm, MUX);
-PERIPH_CLK(uartc, "tegra-uart.2", NULL, 55, 0x1a0, 600000000, mux_pllp_pllc_pllm_clkm, MUX);
-PERIPH_CLK(uartd, "tegra-uart.3", NULL, 65, 0x1c0, 600000000, mux_pllp_pllc_pllm_clkm, MUX);
-PERIPH_CLK(uarte, "tegra-uart.4", NULL, 66, 0x1c4, 600000000, mux_pllp_pllc_pllm_clkm, MUX);
-PERIPH_CLK(3d, "3d", NULL, 24, 0x158, 300000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | PERIPH_MANUAL_RESET); /* scales with voltage and process_id */
-PERIPH_CLK(2d, "2d", NULL, 21, 0x15c, 300000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71); /* scales with voltage and process_id */
-PERIPH_CLK(vi, "tegra_camera", "vi", 20, 0x148, 150000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71); /* scales with voltage and process_id */
-PERIPH_CLK(vi_sensor, "tegra_camera", "vi_sensor", 20, 0x1a8, 150000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | PERIPH_NO_RESET); /* scales with voltage and process_id */
-PERIPH_CLK(epp, "epp", NULL, 19, 0x16c, 300000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71); /* scales with voltage and process_id */
-PERIPH_CLK(mpe, "mpe", NULL, 60, 0x170, 250000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71); /* scales with voltage and process_id */
-PERIPH_CLK(host1x, "host1x", NULL, 28, 0x180, 166000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71); /* scales with voltage and process_id */
-PERIPH_CLK(cve, "cve", NULL, 49, 0x140, 250000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71); /* requires min voltage */
-PERIPH_CLK(tvo, "tvo", NULL, 49, 0x188, 250000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71); /* requires min voltage */
-PERIPH_CLK(hdmi, "hdmi", NULL, 51, 0x18c, 600000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71); /* requires min voltage */
-PERIPH_CLK(tvdac, "tvdac", NULL, 53, 0x194, 250000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71); /* requires min voltage */
-PERIPH_CLK(disp1, "tegradc.0", NULL, 27, 0x138, 600000000, mux_pllp_plld_pllc_clkm, MUX); /* scales with voltage and process_id */
-PERIPH_CLK(disp2, "tegradc.1", NULL, 26, 0x13c, 600000000, mux_pllp_plld_pllc_clkm, MUX); /* scales with voltage and process_id */
-PERIPH_CLK(usbd, "fsl-tegra-udc", NULL, 22, 0, 480000000, mux_clk_m, 0); /* requires min voltage */
-PERIPH_CLK(usb2, "tegra-ehci.1", NULL, 58, 0, 480000000, mux_clk_m, 0); /* requires min voltage */
-PERIPH_CLK(usb3, "tegra-ehci.2", NULL, 59, 0, 480000000, mux_clk_m, 0); /* requires min voltage */
-PERIPH_CLK(dsi, "dsi", NULL, 48, 0, 500000000, mux_plld, 0); /* scales with voltage */
-PERIPH_CLK(csi, "tegra_camera", "csi", 52, 0, 72000000, mux_pllp_out3, 0);
-PERIPH_CLK(isp, "tegra_camera", "isp", 23, 0, 150000000, mux_clk_m, 0); /* same frequency as VI */
-PERIPH_CLK(csus, "tegra_camera", "csus", 92, 0, 150000000, mux_clk_m, PERIPH_NO_RESET);
-PERIPH_CLK(pex, NULL, "pex", 70, 0, 26000000, mux_clk_m, PERIPH_MANUAL_RESET);
-PERIPH_CLK(afi, NULL, "afi", 72, 0, 26000000, mux_clk_m, PERIPH_MANUAL_RESET);
-PERIPH_CLK(pcie_xclk, NULL, "pcie_xclk", 74, 0, 26000000, mux_clk_m, PERIPH_MANUAL_RESET);
-
-static struct clk *tegra_list_clks[] = {
- &tegra_apbdma,
- &tegra_rtc,
- &tegra_timer,
- &tegra_i2s1,
- &tegra_i2s2,
- &tegra_spdif_out,
- &tegra_spdif_in,
- &tegra_pwm,
- &tegra_spi,
- &tegra_xio,
- &tegra_twc,
- &tegra_sbc1,
- &tegra_sbc2,
- &tegra_sbc3,
- &tegra_sbc4,
- &tegra_ide,
- &tegra_ndflash,
- &tegra_vfir,
- &tegra_sdmmc1,
- &tegra_sdmmc2,
- &tegra_sdmmc3,
- &tegra_sdmmc4,
- &tegra_vcp,
- &tegra_bsea,
- &tegra_bsev,
- &tegra_vde,
- &tegra_csite,
- &tegra_la,
- &tegra_owr,
- &tegra_nor,
- &tegra_mipi,
- &tegra_i2c1,
- &tegra_i2c2,
- &tegra_i2c3,
- &tegra_dvc,
- &tegra_uarta,
- &tegra_uartb,
- &tegra_uartc,
- &tegra_uartd,
- &tegra_uarte,
- &tegra_3d,
- &tegra_2d,
- &tegra_vi,
- &tegra_vi_sensor,
- &tegra_epp,
- &tegra_mpe,
- &tegra_host1x,
- &tegra_cve,
- &tegra_tvo,
- &tegra_hdmi,
- &tegra_tvdac,
- &tegra_disp1,
- &tegra_disp2,
- &tegra_usbd,
- &tegra_usb2,
- &tegra_usb3,
- &tegra_dsi,
- &tegra_csi,
- &tegra_isp,
- &tegra_csus,
- &tegra_pex,
- &tegra_afi,
- &tegra_pcie_xclk,
-};
-
-#define CLK_DUPLICATE(_name, _dev, _con) \
- { \
- .name = _name, \
- .lookup = { \
- .dev_id = _dev, \
- .con_id = _con, \
- }, \
- }
-
-/* Some clocks may be used by different drivers depending on the board
- * configuration. List those here to register them twice in the clock lookup
- * table under two names.
- */
-static struct clk_duplicate tegra_clk_duplicates[] = {
- CLK_DUPLICATE("uarta", "serial8250.0", NULL),
- CLK_DUPLICATE("uartb", "serial8250.1", NULL),
- CLK_DUPLICATE("uartc", "serial8250.2", NULL),
- CLK_DUPLICATE("uartd", "serial8250.3", NULL),
- CLK_DUPLICATE("uarte", "serial8250.4", NULL),
- CLK_DUPLICATE("usbd", "utmip-pad", NULL),
- CLK_DUPLICATE("usbd", "tegra-ehci.0", NULL),
- CLK_DUPLICATE("usbd", "tegra-otg", NULL),
- CLK_DUPLICATE("2d", "tegra_grhost", "gr2d"),
- CLK_DUPLICATE("3d", "tegra_grhost", "gr3d"),
- CLK_DUPLICATE("epp", "tegra_grhost", "epp"),
- CLK_DUPLICATE("mpe", "tegra_grhost", "mpe"),
- CLK_DUPLICATE("cop", "tegra-avp", "cop"),
- CLK_DUPLICATE("vde", "tegra-aes", "vde"),
- CLK_DUPLICATE("cclk", NULL, "cpu"),
- CLK_DUPLICATE("twd", "smp_twd", NULL),
- CLK_DUPLICATE("pll_p_out3", "tegra-i2c.0", "fast-clk"),
- CLK_DUPLICATE("pll_p_out3", "tegra-i2c.1", "fast-clk"),
- CLK_DUPLICATE("pll_p_out3", "tegra-i2c.2", "fast-clk"),
- CLK_DUPLICATE("pll_p_out3", "tegra-i2c.3", "fast-clk"),
- CLK_DUPLICATE("pll_p", "tegradc.0", "parent"),
- CLK_DUPLICATE("pll_p", "tegradc.1", "parent"),
- CLK_DUPLICATE("pll_d_out0", "hdmi", "parent"),
-};
-
-#define CLK(dev, con, ck) \
- { \
- .dev_id = dev, \
- .con_id = con, \
- .clk = ck, \
- }
-
-static struct clk *tegra_ptr_clks[] = {
- &tegra_clk_32k,
- &tegra_pll_s,
- &tegra_clk_m,
- &tegra_pll_m,
- &tegra_pll_m_out1,
- &tegra_pll_c,
- &tegra_pll_c_out1,
- &tegra_pll_p,
- &tegra_pll_p_out1,
- &tegra_pll_p_out2,
- &tegra_pll_p_out3,
- &tegra_pll_p_out4,
- &tegra_pll_a,
- &tegra_pll_a_out0,
- &tegra_pll_d,
- &tegra_pll_d_out0,
- &tegra_pll_u,
- &tegra_pll_x,
- &tegra_pll_e,
- &tegra_cclk,
- &tegra_clk_twd,
- &tegra_sclk,
- &tegra_hclk,
- &tegra_pclk,
- &tegra_clk_d,
- &tegra_cdev1,
- &tegra_cdev2,
- &tegra_blink,
- &tegra_cop,
- &tegra_emc,
-};
-
-static void tegra2_init_one_clock(struct clk *c)
-{
- struct clk_tegra *clk = to_clk_tegra(c->hw);
- int ret;
-
- ret = __clk_init(NULL, c);
- if (ret)
- pr_err("clk init failed %s\n", __clk_get_name(c));
-
- INIT_LIST_HEAD(&clk->shared_bus_list);
- if (!clk->lookup.dev_id && !clk->lookup.con_id)
- clk->lookup.con_id = c->name;
- clk->lookup.clk = c;
- clkdev_add(&clk->lookup);
- tegra_clk_add(c);
-}
-
-void __init tegra2_init_clocks(void)
-{
- int i;
- struct clk *c;
-
- for (i = 0; i < ARRAY_SIZE(tegra_ptr_clks); i++)
- tegra2_init_one_clock(tegra_ptr_clks[i]);
-
- for (i = 0; i < ARRAY_SIZE(tegra_list_clks); i++)
- tegra2_init_one_clock(tegra_list_clks[i]);
-
- for (i = 0; i < ARRAY_SIZE(tegra_clk_duplicates); i++) {
- c = tegra_get_clock_by_name(tegra_clk_duplicates[i].name);
- if (!c) {
- pr_err("%s: Unknown duplicate clock %s\n", __func__,
- tegra_clk_duplicates[i].name);
- continue;
- }
-
- tegra_clk_duplicates[i].lookup.clk = c;
- clkdev_add(&tegra_clk_duplicates[i].lookup);
- }
-
- init_audio_sync_clock_mux();
- tegra20_cpu_car_ops_init();
-}
+++ /dev/null
-/*
- * arch/arm/mach-tegra/tegra30_clocks.c
- *
- * Copyright (c) 2010-2012 NVIDIA CORPORATION. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
- *
- */
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/list.h>
-#include <linux/spinlock.h>
-#include <linux/delay.h>
-#include <linux/err.h>
-#include <linux/io.h>
-#include <linux/clk.h>
-#include <linux/cpufreq.h>
-#include <linux/syscore_ops.h>
-#include <linux/clk/tegra.h>
-
-#include <asm/clkdev.h>
-
-#include <mach/powergate.h>
-
-#include "clock.h"
-#include "fuse.h"
-#include "iomap.h"
-
-#define USE_PLL_LOCK_BITS 0
-
-#define RST_DEVICES_L 0x004
-#define RST_DEVICES_H 0x008
-#define RST_DEVICES_U 0x00C
-#define RST_DEVICES_V 0x358
-#define RST_DEVICES_W 0x35C
-#define RST_DEVICES_SET_L 0x300
-#define RST_DEVICES_CLR_L 0x304
-#define RST_DEVICES_SET_V 0x430
-#define RST_DEVICES_CLR_V 0x434
-#define RST_DEVICES_NUM 5
-
-#define CLK_OUT_ENB_L 0x010
-#define CLK_OUT_ENB_H 0x014
-#define CLK_OUT_ENB_U 0x018
-#define CLK_OUT_ENB_V 0x360
-#define CLK_OUT_ENB_W 0x364
-#define CLK_OUT_ENB_SET_L 0x320
-#define CLK_OUT_ENB_CLR_L 0x324
-#define CLK_OUT_ENB_SET_V 0x440
-#define CLK_OUT_ENB_CLR_V 0x444
-#define CLK_OUT_ENB_NUM 5
-
-#define RST_DEVICES_V_SWR_CPULP_RST_DIS (0x1 << 1)
-#define CLK_OUT_ENB_V_CLK_ENB_CPULP_EN (0x1 << 1)
-
-#define PERIPH_CLK_TO_BIT(c) (1 << (c->u.periph.clk_num % 32))
-#define PERIPH_CLK_TO_RST_REG(c) \
- periph_clk_to_reg((c), RST_DEVICES_L, RST_DEVICES_V, 4)
-#define PERIPH_CLK_TO_RST_SET_REG(c) \
- periph_clk_to_reg((c), RST_DEVICES_SET_L, RST_DEVICES_SET_V, 8)
-#define PERIPH_CLK_TO_RST_CLR_REG(c) \
- periph_clk_to_reg((c), RST_DEVICES_CLR_L, RST_DEVICES_CLR_V, 8)
-
-#define PERIPH_CLK_TO_ENB_REG(c) \
- periph_clk_to_reg((c), CLK_OUT_ENB_L, CLK_OUT_ENB_V, 4)
-#define PERIPH_CLK_TO_ENB_SET_REG(c) \
- periph_clk_to_reg((c), CLK_OUT_ENB_SET_L, CLK_OUT_ENB_SET_V, 8)
-#define PERIPH_CLK_TO_ENB_CLR_REG(c) \
- periph_clk_to_reg((c), CLK_OUT_ENB_CLR_L, CLK_OUT_ENB_CLR_V, 8)
-
-#define CLK_MASK_ARM 0x44
-#define MISC_CLK_ENB 0x48
-
-#define OSC_CTRL 0x50
-#define OSC_CTRL_OSC_FREQ_MASK (0xF<<28)
-#define OSC_CTRL_OSC_FREQ_13MHZ (0x0<<28)
-#define OSC_CTRL_OSC_FREQ_19_2MHZ (0x4<<28)
-#define OSC_CTRL_OSC_FREQ_12MHZ (0x8<<28)
-#define OSC_CTRL_OSC_FREQ_26MHZ (0xC<<28)
-#define OSC_CTRL_OSC_FREQ_16_8MHZ (0x1<<28)
-#define OSC_CTRL_OSC_FREQ_38_4MHZ (0x5<<28)
-#define OSC_CTRL_OSC_FREQ_48MHZ (0x9<<28)
-#define OSC_CTRL_MASK (0x3f2 | OSC_CTRL_OSC_FREQ_MASK)
-
-#define OSC_CTRL_PLL_REF_DIV_MASK (3<<26)
-#define OSC_CTRL_PLL_REF_DIV_1 (0<<26)
-#define OSC_CTRL_PLL_REF_DIV_2 (1<<26)
-#define OSC_CTRL_PLL_REF_DIV_4 (2<<26)
-
-#define OSC_FREQ_DET 0x58
-#define OSC_FREQ_DET_TRIG (1<<31)
-
-#define OSC_FREQ_DET_STATUS 0x5C
-#define OSC_FREQ_DET_BUSY (1<<31)
-#define OSC_FREQ_DET_CNT_MASK 0xFFFF
-
-#define PERIPH_CLK_SOURCE_I2S1 0x100
-#define PERIPH_CLK_SOURCE_EMC 0x19c
-#define PERIPH_CLK_SOURCE_OSC 0x1fc
-#define PERIPH_CLK_SOURCE_NUM1 \
- ((PERIPH_CLK_SOURCE_OSC - PERIPH_CLK_SOURCE_I2S1) / 4)
-
-#define PERIPH_CLK_SOURCE_G3D2 0x3b0
-#define PERIPH_CLK_SOURCE_SE 0x42c
-#define PERIPH_CLK_SOURCE_NUM2 \
- ((PERIPH_CLK_SOURCE_SE - PERIPH_CLK_SOURCE_G3D2) / 4 + 1)
-
-#define AUDIO_DLY_CLK 0x49c
-#define AUDIO_SYNC_CLK_SPDIF 0x4b4
-#define PERIPH_CLK_SOURCE_NUM3 \
- ((AUDIO_SYNC_CLK_SPDIF - AUDIO_DLY_CLK) / 4 + 1)
-
-#define PERIPH_CLK_SOURCE_NUM (PERIPH_CLK_SOURCE_NUM1 + \
- PERIPH_CLK_SOURCE_NUM2 + \
- PERIPH_CLK_SOURCE_NUM3)
-
-#define CPU_SOFTRST_CTRL 0x380
-
-#define PERIPH_CLK_SOURCE_DIVU71_MASK 0xFF
-#define PERIPH_CLK_SOURCE_DIVU16_MASK 0xFFFF
-#define PERIPH_CLK_SOURCE_DIV_SHIFT 0
-#define PERIPH_CLK_SOURCE_DIVIDLE_SHIFT 8
-#define PERIPH_CLK_SOURCE_DIVIDLE_VAL 50
-#define PERIPH_CLK_UART_DIV_ENB (1<<24)
-#define PERIPH_CLK_VI_SEL_EX_SHIFT 24
-#define PERIPH_CLK_VI_SEL_EX_MASK (0x3<<PERIPH_CLK_VI_SEL_EX_SHIFT)
-#define PERIPH_CLK_NAND_DIV_EX_ENB (1<<8)
-#define PERIPH_CLK_DTV_POLARITY_INV (1<<25)
-
-#define AUDIO_SYNC_SOURCE_MASK 0x0F
-#define AUDIO_SYNC_DISABLE_BIT 0x10
-#define AUDIO_SYNC_TAP_NIBBLE_SHIFT(c) ((c->reg_shift - 24) * 4)
-
-#define PLL_BASE 0x0
-#define PLL_BASE_BYPASS (1<<31)
-#define PLL_BASE_ENABLE (1<<30)
-#define PLL_BASE_REF_ENABLE (1<<29)
-#define PLL_BASE_OVERRIDE (1<<28)
-#define PLL_BASE_LOCK (1<<27)
-#define PLL_BASE_DIVP_MASK (0x7<<20)
-#define PLL_BASE_DIVP_SHIFT 20
-#define PLL_BASE_DIVN_MASK (0x3FF<<8)
-#define PLL_BASE_DIVN_SHIFT 8
-#define PLL_BASE_DIVM_MASK (0x1F)
-#define PLL_BASE_DIVM_SHIFT 0
-
-#define PLL_OUT_RATIO_MASK (0xFF<<8)
-#define PLL_OUT_RATIO_SHIFT 8
-#define PLL_OUT_OVERRIDE (1<<2)
-#define PLL_OUT_CLKEN (1<<1)
-#define PLL_OUT_RESET_DISABLE (1<<0)
-
-#define PLL_MISC(c) \
- (((c)->flags & PLL_ALT_MISC_REG) ? 0x4 : 0xc)
-#define PLL_MISC_LOCK_ENABLE(c) \
- (((c)->flags & (PLLU | PLLD)) ? (1<<22) : (1<<18))
-
-#define PLL_MISC_DCCON_SHIFT 20
-#define PLL_MISC_CPCON_SHIFT 8
-#define PLL_MISC_CPCON_MASK (0xF<<PLL_MISC_CPCON_SHIFT)
-#define PLL_MISC_LFCON_SHIFT 4
-#define PLL_MISC_LFCON_MASK (0xF<<PLL_MISC_LFCON_SHIFT)
-#define PLL_MISC_VCOCON_SHIFT 0
-#define PLL_MISC_VCOCON_MASK (0xF<<PLL_MISC_VCOCON_SHIFT)
-#define PLLD_MISC_CLKENABLE (1<<30)
-
-#define PLLU_BASE_POST_DIV (1<<20)
-
-#define PLLD_BASE_DSIB_MUX_SHIFT 25
-#define PLLD_BASE_DSIB_MUX_MASK (1<<PLLD_BASE_DSIB_MUX_SHIFT)
-#define PLLD_BASE_CSI_CLKENABLE (1<<26)
-#define PLLD_MISC_DSI_CLKENABLE (1<<30)
-#define PLLD_MISC_DIV_RST (1<<23)
-#define PLLD_MISC_DCCON_SHIFT 12
-
-#define PLLDU_LFCON_SET_DIVN 600
-
-/* FIXME: OUT_OF_TABLE_CPCON per pll */
-#define OUT_OF_TABLE_CPCON 0x8
-
-#define SUPER_CLK_MUX 0x00
-#define SUPER_STATE_SHIFT 28
-#define SUPER_STATE_MASK (0xF << SUPER_STATE_SHIFT)
-#define SUPER_STATE_STANDBY (0x0 << SUPER_STATE_SHIFT)
-#define SUPER_STATE_IDLE (0x1 << SUPER_STATE_SHIFT)
-#define SUPER_STATE_RUN (0x2 << SUPER_STATE_SHIFT)
-#define SUPER_STATE_IRQ (0x3 << SUPER_STATE_SHIFT)
-#define SUPER_STATE_FIQ (0x4 << SUPER_STATE_SHIFT)
-#define SUPER_LP_DIV2_BYPASS (0x1 << 16)
-#define SUPER_SOURCE_MASK 0xF
-#define SUPER_FIQ_SOURCE_SHIFT 12
-#define SUPER_IRQ_SOURCE_SHIFT 8
-#define SUPER_RUN_SOURCE_SHIFT 4
-#define SUPER_IDLE_SOURCE_SHIFT 0
-
-#define SUPER_CLK_DIVIDER 0x04
-#define SUPER_CLOCK_DIV_U71_SHIFT 16
-#define SUPER_CLOCK_DIV_U71_MASK (0xff << SUPER_CLOCK_DIV_U71_SHIFT)
-/* guarantees safe cpu backup */
-#define SUPER_CLOCK_DIV_U71_MIN 0x2
-
-#define BUS_CLK_DISABLE (1<<3)
-#define BUS_CLK_DIV_MASK 0x3
-
-#define PMC_CTRL 0x0
- #define PMC_CTRL_BLINK_ENB (1 << 7)
-
-#define PMC_DPD_PADS_ORIDE 0x1c
- #define PMC_DPD_PADS_ORIDE_BLINK_ENB (1 << 20)
-
-#define PMC_BLINK_TIMER_DATA_ON_SHIFT 0
-#define PMC_BLINK_TIMER_DATA_ON_MASK 0x7fff
-#define PMC_BLINK_TIMER_ENB (1 << 15)
-#define PMC_BLINK_TIMER_DATA_OFF_SHIFT 16
-#define PMC_BLINK_TIMER_DATA_OFF_MASK 0xffff
-
-#define PMC_PLLP_WB0_OVERRIDE 0xf8
-#define PMC_PLLP_WB0_OVERRIDE_PLLM_ENABLE (1 << 12)
-
-#define UTMIP_PLL_CFG2 0x488
-#define UTMIP_PLL_CFG2_STABLE_COUNT(x) (((x) & 0xfff) << 6)
-#define UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(x) (((x) & 0x3f) << 18)
-#define UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERDOWN (1 << 0)
-#define UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERDOWN (1 << 2)
-#define UTMIP_PLL_CFG2_FORCE_PD_SAMP_C_POWERDOWN (1 << 4)
-
-#define UTMIP_PLL_CFG1 0x484
-#define UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(x) (((x) & 0x1f) << 27)
-#define UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(x) (((x) & 0xfff) << 0)
-#define UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN (1 << 14)
-#define UTMIP_PLL_CFG1_FORCE_PLL_ACTIVE_POWERDOWN (1 << 12)
-#define UTMIP_PLL_CFG1_FORCE_PLLU_POWERDOWN (1 << 16)
-
-#define PLLE_BASE_CML_ENABLE (1<<31)
-#define PLLE_BASE_ENABLE (1<<30)
-#define PLLE_BASE_DIVCML_SHIFT 24
-#define PLLE_BASE_DIVCML_MASK (0xf<<PLLE_BASE_DIVCML_SHIFT)
-#define PLLE_BASE_DIVP_SHIFT 16
-#define PLLE_BASE_DIVP_MASK (0x3f<<PLLE_BASE_DIVP_SHIFT)
-#define PLLE_BASE_DIVN_SHIFT 8
-#define PLLE_BASE_DIVN_MASK (0xFF<<PLLE_BASE_DIVN_SHIFT)
-#define PLLE_BASE_DIVM_SHIFT 0
-#define PLLE_BASE_DIVM_MASK (0xFF<<PLLE_BASE_DIVM_SHIFT)
-#define PLLE_BASE_DIV_MASK \
- (PLLE_BASE_DIVCML_MASK | PLLE_BASE_DIVP_MASK | \
- PLLE_BASE_DIVN_MASK | PLLE_BASE_DIVM_MASK)
-#define PLLE_BASE_DIV(m, n, p, cml) \
- (((cml)<<PLLE_BASE_DIVCML_SHIFT) | ((p)<<PLLE_BASE_DIVP_SHIFT) | \
- ((n)<<PLLE_BASE_DIVN_SHIFT) | ((m)<<PLLE_BASE_DIVM_SHIFT))
-
-#define PLLE_MISC_SETUP_BASE_SHIFT 16
-#define PLLE_MISC_SETUP_BASE_MASK (0xFFFF<<PLLE_MISC_SETUP_BASE_SHIFT)
-#define PLLE_MISC_READY (1<<15)
-#define PLLE_MISC_LOCK (1<<11)
-#define PLLE_MISC_LOCK_ENABLE (1<<9)
-#define PLLE_MISC_SETUP_EX_SHIFT 2
-#define PLLE_MISC_SETUP_EX_MASK (0x3<<PLLE_MISC_SETUP_EX_SHIFT)
-#define PLLE_MISC_SETUP_MASK \
- (PLLE_MISC_SETUP_BASE_MASK | PLLE_MISC_SETUP_EX_MASK)
-#define PLLE_MISC_SETUP_VALUE \
- ((0x7<<PLLE_MISC_SETUP_BASE_SHIFT) | (0x0<<PLLE_MISC_SETUP_EX_SHIFT))
-
-#define PLLE_SS_CTRL 0x68
-#define PLLE_SS_INCINTRV_SHIFT 24
-#define PLLE_SS_INCINTRV_MASK (0x3f<<PLLE_SS_INCINTRV_SHIFT)
-#define PLLE_SS_INC_SHIFT 16
-#define PLLE_SS_INC_MASK (0xff<<PLLE_SS_INC_SHIFT)
-#define PLLE_SS_MAX_SHIFT 0
-#define PLLE_SS_MAX_MASK (0x1ff<<PLLE_SS_MAX_SHIFT)
-#define PLLE_SS_COEFFICIENTS_MASK \
- (PLLE_SS_INCINTRV_MASK | PLLE_SS_INC_MASK | PLLE_SS_MAX_MASK)
-#define PLLE_SS_COEFFICIENTS_12MHZ \
- ((0x18<<PLLE_SS_INCINTRV_SHIFT) | (0x1<<PLLE_SS_INC_SHIFT) | \
- (0x24<<PLLE_SS_MAX_SHIFT))
-#define PLLE_SS_DISABLE ((1<<12) | (1<<11) | (1<<10))
-
-#define PLLE_AUX 0x48c
-#define PLLE_AUX_PLLP_SEL (1<<2)
-#define PLLE_AUX_CML_SATA_ENABLE (1<<1)
-#define PLLE_AUX_CML_PCIE_ENABLE (1<<0)
-
-#define PMC_SATA_PWRGT 0x1ac
-#define PMC_SATA_PWRGT_PLLE_IDDQ_VALUE (1<<5)
-#define PMC_SATA_PWRGT_PLLE_IDDQ_SWCTL (1<<4)
-
-#define ROUND_DIVIDER_UP 0
-#define ROUND_DIVIDER_DOWN 1
-
-/* FIXME: recommended safety delay after lock is detected */
-#define PLL_POST_LOCK_DELAY 100
-
-/* Tegra CPU clock and reset control regs */
-#define TEGRA_CLK_RST_CONTROLLER_CLK_CPU_CMPLX 0x4c
-#define TEGRA_CLK_RST_CONTROLLER_RST_CPU_CMPLX_SET 0x340
-#define TEGRA_CLK_RST_CONTROLLER_RST_CPU_CMPLX_CLR 0x344
-#define TEGRA30_CLK_RST_CONTROLLER_CLK_CPU_CMPLX_CLR 0x34c
-#define TEGRA30_CLK_RST_CONTROLLER_CPU_CMPLX_STATUS 0x470
-
-#define CPU_CLOCK(cpu) (0x1 << (8 + cpu))
-#define CPU_RESET(cpu) (0x1111ul << (cpu))
-
-#define CLK_RESET_CCLK_BURST 0x20
-#define CLK_RESET_CCLK_DIVIDER 0x24
-#define CLK_RESET_PLLX_BASE 0xe0
-#define CLK_RESET_PLLX_MISC 0xe4
-
-#define CLK_RESET_SOURCE_CSITE 0x1d4
-
-#define CLK_RESET_CCLK_BURST_POLICY_SHIFT 28
-#define CLK_RESET_CCLK_RUN_POLICY_SHIFT 4
-#define CLK_RESET_CCLK_IDLE_POLICY_SHIFT 0
-#define CLK_RESET_CCLK_IDLE_POLICY 1
-#define CLK_RESET_CCLK_RUN_POLICY 2
-#define CLK_RESET_CCLK_BURST_POLICY_PLLX 8
-
-#ifdef CONFIG_PM_SLEEP
-static struct cpu_clk_suspend_context {
- u32 pllx_misc;
- u32 pllx_base;
-
- u32 cpu_burst;
- u32 clk_csite_src;
- u32 cclk_divider;
-} tegra30_cpu_clk_sctx;
-#endif
-
-/**
-* Structure defining the fields for USB UTMI clocks Parameters.
-*/
-struct utmi_clk_param {
- /* Oscillator Frequency in KHz */
- u32 osc_frequency;
- /* UTMIP PLL Enable Delay Count */
- u8 enable_delay_count;
- /* UTMIP PLL Stable count */
- u8 stable_count;
- /* UTMIP PLL Active delay count */
- u8 active_delay_count;
- /* UTMIP PLL Xtal frequency count */
- u8 xtal_freq_count;
-};
-
-static const struct utmi_clk_param utmi_parameters[] = {
- {
- .osc_frequency = 13000000,
- .enable_delay_count = 0x02,
- .stable_count = 0x33,
- .active_delay_count = 0x05,
- .xtal_freq_count = 0x7F
- },
- {
- .osc_frequency = 19200000,
- .enable_delay_count = 0x03,
- .stable_count = 0x4B,
- .active_delay_count = 0x06,
- .xtal_freq_count = 0xBB},
- {
- .osc_frequency = 12000000,
- .enable_delay_count = 0x02,
- .stable_count = 0x2F,
- .active_delay_count = 0x04,
- .xtal_freq_count = 0x76
- },
- {
- .osc_frequency = 26000000,
- .enable_delay_count = 0x04,
- .stable_count = 0x66,
- .active_delay_count = 0x09,
- .xtal_freq_count = 0xFE
- },
- {
- .osc_frequency = 16800000,
- .enable_delay_count = 0x03,
- .stable_count = 0x41,
- .active_delay_count = 0x0A,
- .xtal_freq_count = 0xA4
- },
-};
-
-static void __iomem *reg_clk_base = IO_ADDRESS(TEGRA_CLK_RESET_BASE);
-static void __iomem *reg_pmc_base = IO_ADDRESS(TEGRA_PMC_BASE);
-static void __iomem *misc_gp_hidrev_base = IO_ADDRESS(TEGRA_APB_MISC_BASE);
-
-#define MISC_GP_HIDREV 0x804
-
-/*
- * Some peripheral clocks share an enable bit, so refcount the enable bits
- * in registers CLK_ENABLE_L, ... CLK_ENABLE_W
- */
-static int tegra_periph_clk_enable_refcount[CLK_OUT_ENB_NUM * 32];
-
-#define clk_writel(value, reg) \
- __raw_writel(value, reg_clk_base + (reg))
-#define clk_readl(reg) \
- __raw_readl(reg_clk_base + (reg))
-#define pmc_writel(value, reg) \
- __raw_writel(value, reg_pmc_base + (reg))
-#define pmc_readl(reg) \
- __raw_readl(reg_pmc_base + (reg))
-#define chipid_readl() \
- __raw_readl(misc_gp_hidrev_base + MISC_GP_HIDREV)
-
-#define clk_writel_delay(value, reg) \
- do { \
- __raw_writel((value), reg_clk_base + (reg)); \
- udelay(2); \
- } while (0)
-
-static inline int clk_set_div(struct clk_tegra *c, u32 n)
-{
- struct clk *clk = c->hw.clk;
-
- return clk_set_rate(clk,
- (__clk_get_rate(__clk_get_parent(clk)) + n - 1) / n);
-}
-
-static inline u32 periph_clk_to_reg(
- struct clk_tegra *c, u32 reg_L, u32 reg_V, int offs)
-{
- u32 reg = c->u.periph.clk_num / 32;
- BUG_ON(reg >= RST_DEVICES_NUM);
- if (reg < 3)
- reg = reg_L + (reg * offs);
- else
- reg = reg_V + ((reg - 3) * offs);
- return reg;
-}
-
-static unsigned long clk_measure_input_freq(void)
-{
- u32 clock_autodetect;
- clk_writel(OSC_FREQ_DET_TRIG | 1, OSC_FREQ_DET);
- do {} while (clk_readl(OSC_FREQ_DET_STATUS) & OSC_FREQ_DET_BUSY);
- clock_autodetect = clk_readl(OSC_FREQ_DET_STATUS);
- if (clock_autodetect >= 732 - 3 && clock_autodetect <= 732 + 3) {
- return 12000000;
- } else if (clock_autodetect >= 794 - 3 && clock_autodetect <= 794 + 3) {
- return 13000000;
- } else if (clock_autodetect >= 1172 - 3 && clock_autodetect <= 1172 + 3) {
- return 19200000;
- } else if (clock_autodetect >= 1587 - 3 && clock_autodetect <= 1587 + 3) {
- return 26000000;
- } else if (clock_autodetect >= 1025 - 3 && clock_autodetect <= 1025 + 3) {
- return 16800000;
- } else if (clock_autodetect >= 2344 - 3 && clock_autodetect <= 2344 + 3) {
- return 38400000;
- } else if (clock_autodetect >= 2928 - 3 && clock_autodetect <= 2928 + 3) {
- return 48000000;
- } else {
- pr_err("%s: Unexpected clock autodetect value %d", __func__,
- clock_autodetect);
- BUG();
- return 0;
- }
-}
-
-static int clk_div71_get_divider(unsigned long parent_rate, unsigned long rate,
- u32 flags, u32 round_mode)
-{
- s64 divider_u71 = parent_rate;
- if (!rate)
- return -EINVAL;
-
- if (!(flags & DIV_U71_INT))
- divider_u71 *= 2;
- if (round_mode == ROUND_DIVIDER_UP)
- divider_u71 += rate - 1;
- do_div(divider_u71, rate);
- if (flags & DIV_U71_INT)
- divider_u71 *= 2;
-
- if (divider_u71 - 2 < 0)
- return 0;
-
- if (divider_u71 - 2 > 255)
- return -EINVAL;
-
- return divider_u71 - 2;
-}
-
-static int clk_div16_get_divider(unsigned long parent_rate, unsigned long rate)
-{
- s64 divider_u16;
-
- divider_u16 = parent_rate;
- if (!rate)
- return -EINVAL;
- divider_u16 += rate - 1;
- do_div(divider_u16, rate);
-
- if (divider_u16 - 1 < 0)
- return 0;
-
- if (divider_u16 - 1 > 0xFFFF)
- return -EINVAL;
-
- return divider_u16 - 1;
-}
-
-static unsigned long tegra30_clk_fixed_recalc_rate(struct clk_hw *hw,
- unsigned long parent_rate)
-{
- return to_clk_tegra(hw)->fixed_rate;
-}
-
-struct clk_ops tegra30_clk_32k_ops = {
- .recalc_rate = tegra30_clk_fixed_recalc_rate,
-};
-
-/* clk_m functions */
-static unsigned long tegra30_clk_m_recalc_rate(struct clk_hw *hw,
- unsigned long parent_rate)
-{
- if (!to_clk_tegra(hw)->fixed_rate)
- to_clk_tegra(hw)->fixed_rate = clk_measure_input_freq();
- return to_clk_tegra(hw)->fixed_rate;
-}
-
-static void tegra30_clk_m_init(struct clk_hw *hw)
-{
- u32 osc_ctrl = clk_readl(OSC_CTRL);
- u32 auto_clock_control = osc_ctrl & ~OSC_CTRL_OSC_FREQ_MASK;
- u32 pll_ref_div = osc_ctrl & OSC_CTRL_PLL_REF_DIV_MASK;
-
- switch (to_clk_tegra(hw)->fixed_rate) {
- case 12000000:
- auto_clock_control |= OSC_CTRL_OSC_FREQ_12MHZ;
- BUG_ON(pll_ref_div != OSC_CTRL_PLL_REF_DIV_1);
- break;
- case 13000000:
- auto_clock_control |= OSC_CTRL_OSC_FREQ_13MHZ;
- BUG_ON(pll_ref_div != OSC_CTRL_PLL_REF_DIV_1);
- break;
- case 19200000:
- auto_clock_control |= OSC_CTRL_OSC_FREQ_19_2MHZ;
- BUG_ON(pll_ref_div != OSC_CTRL_PLL_REF_DIV_1);
- break;
- case 26000000:
- auto_clock_control |= OSC_CTRL_OSC_FREQ_26MHZ;
- BUG_ON(pll_ref_div != OSC_CTRL_PLL_REF_DIV_1);
- break;
- case 16800000:
- auto_clock_control |= OSC_CTRL_OSC_FREQ_16_8MHZ;
- BUG_ON(pll_ref_div != OSC_CTRL_PLL_REF_DIV_1);
- break;
- case 38400000:
- auto_clock_control |= OSC_CTRL_OSC_FREQ_38_4MHZ;
- BUG_ON(pll_ref_div != OSC_CTRL_PLL_REF_DIV_2);
- break;
- case 48000000:
- auto_clock_control |= OSC_CTRL_OSC_FREQ_48MHZ;
- BUG_ON(pll_ref_div != OSC_CTRL_PLL_REF_DIV_4);
- break;
- default:
- pr_err("%s: Unexpected clock rate %ld", __func__,
- to_clk_tegra(hw)->fixed_rate);
- BUG();
- }
- clk_writel(auto_clock_control, OSC_CTRL);
-}
-
-struct clk_ops tegra30_clk_m_ops = {
- .init = tegra30_clk_m_init,
- .recalc_rate = tegra30_clk_m_recalc_rate,
-};
-
-static unsigned long tegra30_clk_m_div_recalc_rate(struct clk_hw *hw,
- unsigned long parent_rate)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- u64 rate = parent_rate;
-
- if (c->mul != 0 && c->div != 0) {
- rate *= c->mul;
- rate += c->div - 1; /* round up */
- do_div(rate, c->div);
- }
-
- return rate;
-}
-
-struct clk_ops tegra_clk_m_div_ops = {
- .recalc_rate = tegra30_clk_m_div_recalc_rate,
-};
-
-/* PLL reference divider functions */
-static unsigned long tegra30_pll_ref_recalc_rate(struct clk_hw *hw,
- unsigned long parent_rate)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- unsigned long rate = parent_rate;
- u32 pll_ref_div = clk_readl(OSC_CTRL) & OSC_CTRL_PLL_REF_DIV_MASK;
-
- switch (pll_ref_div) {
- case OSC_CTRL_PLL_REF_DIV_1:
- c->div = 1;
- break;
- case OSC_CTRL_PLL_REF_DIV_2:
- c->div = 2;
- break;
- case OSC_CTRL_PLL_REF_DIV_4:
- c->div = 4;
- break;
- default:
- pr_err("%s: Invalid pll ref divider %d", __func__, pll_ref_div);
- BUG();
- }
- c->mul = 1;
-
- if (c->mul != 0 && c->div != 0) {
- rate *= c->mul;
- rate += c->div - 1; /* round up */
- do_div(rate, c->div);
- }
-
- return rate;
-}
-
-struct clk_ops tegra_pll_ref_ops = {
- .recalc_rate = tegra30_pll_ref_recalc_rate,
-};
-
-/* super clock functions */
-/* "super clocks" on tegra30 have two-stage muxes, fractional 7.1 divider and
- * clock skipping super divider. We will ignore the clock skipping divider,
- * since we can't lower the voltage when using the clock skip, but we can if
- * we lower the PLL frequency. We will use 7.1 divider for CPU super-clock
- * only when its parent is a fixed rate PLL, since we can't change PLL rate
- * in this case.
- */
-static void tegra30_super_clk_init(struct clk_hw *hw)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- struct clk_tegra *p =
- to_clk_tegra(__clk_get_hw(__clk_get_parent(hw->clk)));
-
- c->state = ON;
- if (c->flags & DIV_U71) {
- /* Init safe 7.1 divider value (does not affect PLLX path) */
- clk_writel(SUPER_CLOCK_DIV_U71_MIN << SUPER_CLOCK_DIV_U71_SHIFT,
- c->reg + SUPER_CLK_DIVIDER);
- c->mul = 2;
- c->div = 2;
- if (!(p->flags & PLLX))
- c->div += SUPER_CLOCK_DIV_U71_MIN;
- } else
- clk_writel(0, c->reg + SUPER_CLK_DIVIDER);
-}
-
-static u8 tegra30_super_clk_get_parent(struct clk_hw *hw)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- u32 val;
- int source;
- int shift;
-
- val = clk_readl(c->reg + SUPER_CLK_MUX);
- BUG_ON(((val & SUPER_STATE_MASK) != SUPER_STATE_RUN) &&
- ((val & SUPER_STATE_MASK) != SUPER_STATE_IDLE));
- shift = ((val & SUPER_STATE_MASK) == SUPER_STATE_IDLE) ?
- SUPER_IDLE_SOURCE_SHIFT : SUPER_RUN_SOURCE_SHIFT;
- source = (val >> shift) & SUPER_SOURCE_MASK;
- if (c->flags & DIV_2)
- source |= val & SUPER_LP_DIV2_BYPASS;
-
- return source;
-}
-
-static int tegra30_super_clk_set_parent(struct clk_hw *hw, u8 index)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- struct clk_tegra *p =
- to_clk_tegra(__clk_get_hw(clk_get_parent(hw->clk)));
- u32 val;
- int shift;
-
- val = clk_readl(c->reg + SUPER_CLK_MUX);
- BUG_ON(((val & SUPER_STATE_MASK) != SUPER_STATE_RUN) &&
- ((val & SUPER_STATE_MASK) != SUPER_STATE_IDLE));
- shift = ((val & SUPER_STATE_MASK) == SUPER_STATE_IDLE) ?
- SUPER_IDLE_SOURCE_SHIFT : SUPER_RUN_SOURCE_SHIFT;
-
- /* For LP mode super-clock switch between PLLX direct
- and divided-by-2 outputs is allowed only when other
- than PLLX clock source is current parent */
- if ((c->flags & DIV_2) && (p->flags & PLLX) &&
- ((index ^ val) & SUPER_LP_DIV2_BYPASS)) {
- if (p->flags & PLLX)
- return -EINVAL;
- val ^= SUPER_LP_DIV2_BYPASS;
- clk_writel_delay(val, c->reg);
- }
- val &= ~(SUPER_SOURCE_MASK << shift);
- val |= (index & SUPER_SOURCE_MASK) << shift;
-
- /* 7.1 divider for CPU super-clock does not affect
- PLLX path */
- if (c->flags & DIV_U71) {
- u32 div = 0;
- if (!(p->flags & PLLX)) {
- div = clk_readl(c->reg +
- SUPER_CLK_DIVIDER);
- div &= SUPER_CLOCK_DIV_U71_MASK;
- div >>= SUPER_CLOCK_DIV_U71_SHIFT;
- }
- c->div = div + 2;
- c->mul = 2;
- }
- clk_writel_delay(val, c->reg);
-
- return 0;
-}
-
-/*
- * Do not use super clocks "skippers", since dividing using a clock skipper
- * does not allow the voltage to be scaled down. Instead adjust the rate of
- * the parent clock. This requires that the parent of a super clock have no
- * other children, otherwise the rate will change underneath the other
- * children. Special case: if fixed rate PLL is CPU super clock parent the
- * rate of this PLL can't be changed, and it has many other children. In
- * this case use 7.1 fractional divider to adjust the super clock rate.
- */
-static int tegra30_super_clk_set_rate(struct clk_hw *hw, unsigned long rate,
- unsigned long parent_rate)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- struct clk *parent = __clk_get_parent(hw->clk);
- struct clk_tegra *cparent = to_clk_tegra(__clk_get_hw(parent));
-
- if ((c->flags & DIV_U71) && (cparent->flags & PLL_FIXED)) {
- int div = clk_div71_get_divider(parent_rate,
- rate, c->flags, ROUND_DIVIDER_DOWN);
- div = max(div, SUPER_CLOCK_DIV_U71_MIN);
-
- clk_writel(div << SUPER_CLOCK_DIV_U71_SHIFT,
- c->reg + SUPER_CLK_DIVIDER);
- c->div = div + 2;
- c->mul = 2;
- return 0;
- }
- return 0;
-}
-
-static unsigned long tegra30_super_clk_recalc_rate(struct clk_hw *hw,
- unsigned long parent_rate)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- u64 rate = parent_rate;
-
- if (c->mul != 0 && c->div != 0) {
- rate *= c->mul;
- rate += c->div - 1; /* round up */
- do_div(rate, c->div);
- }
-
- return rate;
-}
-
-static long tegra30_super_clk_round_rate(struct clk_hw *hw, unsigned long rate,
- unsigned long *prate)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- struct clk *parent = __clk_get_parent(hw->clk);
- struct clk_tegra *cparent = to_clk_tegra(__clk_get_hw(parent));
- int mul = 2;
- int div;
-
- if ((c->flags & DIV_U71) && (cparent->flags & PLL_FIXED)) {
- div = clk_div71_get_divider(*prate,
- rate, c->flags, ROUND_DIVIDER_DOWN);
- div = max(div, SUPER_CLOCK_DIV_U71_MIN) + 2;
- rate = *prate * mul;
- rate += div - 1; /* round up */
- do_div(rate, c->div);
-
- return rate;
- }
- return *prate;
-}
-
-struct clk_ops tegra30_super_ops = {
- .init = tegra30_super_clk_init,
- .set_parent = tegra30_super_clk_set_parent,
- .get_parent = tegra30_super_clk_get_parent,
- .recalc_rate = tegra30_super_clk_recalc_rate,
- .round_rate = tegra30_super_clk_round_rate,
- .set_rate = tegra30_super_clk_set_rate,
-};
-
-static unsigned long tegra30_twd_clk_recalc_rate(struct clk_hw *hw,
- unsigned long parent_rate)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- u64 rate = parent_rate;
-
- if (c->mul != 0 && c->div != 0) {
- rate *= c->mul;
- rate += c->div - 1; /* round up */
- do_div(rate, c->div);
- }
-
- return rate;
-}
-
-struct clk_ops tegra30_twd_ops = {
- .recalc_rate = tegra30_twd_clk_recalc_rate,
-};
-
-/* bus clock functions */
-static int tegra30_bus_clk_is_enabled(struct clk_hw *hw)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- u32 val = clk_readl(c->reg);
-
- c->state = ((val >> c->reg_shift) & BUS_CLK_DISABLE) ? OFF : ON;
- return c->state;
-}
-
-static int tegra30_bus_clk_enable(struct clk_hw *hw)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- u32 val;
-
- val = clk_readl(c->reg);
- val &= ~(BUS_CLK_DISABLE << c->reg_shift);
- clk_writel(val, c->reg);
-
- return 0;
-}
-
-static void tegra30_bus_clk_disable(struct clk_hw *hw)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- u32 val;
-
- val = clk_readl(c->reg);
- val |= BUS_CLK_DISABLE << c->reg_shift;
- clk_writel(val, c->reg);
-}
-
-static unsigned long tegra30_bus_clk_recalc_rate(struct clk_hw *hw,
- unsigned long prate)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- u32 val = clk_readl(c->reg);
- u64 rate = prate;
-
- c->div = ((val >> c->reg_shift) & BUS_CLK_DIV_MASK) + 1;
- c->mul = 1;
-
- if (c->mul != 0 && c->div != 0) {
- rate *= c->mul;
- rate += c->div - 1; /* round up */
- do_div(rate, c->div);
- }
- return rate;
-}
-
-static int tegra30_bus_clk_set_rate(struct clk_hw *hw, unsigned long rate,
- unsigned long parent_rate)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- int ret = -EINVAL;
- u32 val;
- int i;
-
- val = clk_readl(c->reg);
- for (i = 1; i <= 4; i++) {
- if (rate == parent_rate / i) {
- val &= ~(BUS_CLK_DIV_MASK << c->reg_shift);
- val |= (i - 1) << c->reg_shift;
- clk_writel(val, c->reg);
- c->div = i;
- c->mul = 1;
- ret = 0;
- break;
- }
- }
-
- return ret;
-}
-
-static long tegra30_bus_clk_round_rate(struct clk_hw *hw, unsigned long rate,
- unsigned long *prate)
-{
- unsigned long parent_rate = *prate;
- s64 divider;
-
- if (rate >= parent_rate)
- return parent_rate;
-
- divider = parent_rate;
- divider += rate - 1;
- do_div(divider, rate);
-
- if (divider < 0)
- return divider;
-
- if (divider > 4)
- divider = 4;
- do_div(parent_rate, divider);
-
- return parent_rate;
-}
-
-struct clk_ops tegra30_bus_ops = {
- .is_enabled = tegra30_bus_clk_is_enabled,
- .enable = tegra30_bus_clk_enable,
- .disable = tegra30_bus_clk_disable,
- .set_rate = tegra30_bus_clk_set_rate,
- .round_rate = tegra30_bus_clk_round_rate,
- .recalc_rate = tegra30_bus_clk_recalc_rate,
-};
-
-/* Blink output functions */
-static int tegra30_blink_clk_is_enabled(struct clk_hw *hw)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- u32 val;
-
- val = pmc_readl(PMC_CTRL);
- c->state = (val & PMC_CTRL_BLINK_ENB) ? ON : OFF;
- return c->state;
-}
-
-static int tegra30_blink_clk_enable(struct clk_hw *hw)
-{
- u32 val;
-
- val = pmc_readl(PMC_DPD_PADS_ORIDE);
- pmc_writel(val | PMC_DPD_PADS_ORIDE_BLINK_ENB, PMC_DPD_PADS_ORIDE);
-
- val = pmc_readl(PMC_CTRL);
- pmc_writel(val | PMC_CTRL_BLINK_ENB, PMC_CTRL);
-
- return 0;
-}
-
-static void tegra30_blink_clk_disable(struct clk_hw *hw)
-{
- u32 val;
-
- val = pmc_readl(PMC_CTRL);
- pmc_writel(val & ~PMC_CTRL_BLINK_ENB, PMC_CTRL);
-
- val = pmc_readl(PMC_DPD_PADS_ORIDE);
- pmc_writel(val & ~PMC_DPD_PADS_ORIDE_BLINK_ENB, PMC_DPD_PADS_ORIDE);
-}
-
-static int tegra30_blink_clk_set_rate(struct clk_hw *hw, unsigned long rate,
- unsigned long parent_rate)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
-
- if (rate >= parent_rate) {
- c->div = 1;
- pmc_writel(0, c->reg);
- } else {
- unsigned int on_off;
- u32 val;
-
- on_off = DIV_ROUND_UP(parent_rate / 8, rate);
- c->div = on_off * 8;
-
- val = (on_off & PMC_BLINK_TIMER_DATA_ON_MASK) <<
- PMC_BLINK_TIMER_DATA_ON_SHIFT;
- on_off &= PMC_BLINK_TIMER_DATA_OFF_MASK;
- on_off <<= PMC_BLINK_TIMER_DATA_OFF_SHIFT;
- val |= on_off;
- val |= PMC_BLINK_TIMER_ENB;
- pmc_writel(val, c->reg);
- }
-
- return 0;
-}
-
-static unsigned long tegra30_blink_clk_recalc_rate(struct clk_hw *hw,
- unsigned long parent_rate)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- u64 rate = parent_rate;
- u32 val;
- u32 mul;
- u32 div;
- u32 on_off;
-
- mul = 1;
- val = pmc_readl(c->reg);
-
- if (val & PMC_BLINK_TIMER_ENB) {
- on_off = (val >> PMC_BLINK_TIMER_DATA_ON_SHIFT) &
- PMC_BLINK_TIMER_DATA_ON_MASK;
- val >>= PMC_BLINK_TIMER_DATA_OFF_SHIFT;
- val &= PMC_BLINK_TIMER_DATA_OFF_MASK;
- on_off += val;
- /* each tick in the blink timer is 4 32KHz clocks */
- div = on_off * 4;
- } else {
- div = 1;
- }
-
- if (mul != 0 && div != 0) {
- rate *= mul;
- rate += div - 1; /* round up */
- do_div(rate, div);
- }
- return rate;
-}
-
-static long tegra30_blink_clk_round_rate(struct clk_hw *hw, unsigned long rate,
- unsigned long *prate)
-{
- int div;
- int mul;
- long round_rate = *prate;
-
- mul = 1;
-
- if (rate >= *prate) {
- div = 1;
- } else {
- div = DIV_ROUND_UP(*prate / 8, rate);
- div *= 8;
- }
-
- round_rate *= mul;
- round_rate += div - 1;
- do_div(round_rate, div);
-
- return round_rate;
-}
-
-struct clk_ops tegra30_blink_clk_ops = {
- .is_enabled = tegra30_blink_clk_is_enabled,
- .enable = tegra30_blink_clk_enable,
- .disable = tegra30_blink_clk_disable,
- .recalc_rate = tegra30_blink_clk_recalc_rate,
- .round_rate = tegra30_blink_clk_round_rate,
- .set_rate = tegra30_blink_clk_set_rate,
-};
-
-static void tegra30_utmi_param_configure(struct clk_hw *hw)
-{
- unsigned long main_rate =
- __clk_get_rate(__clk_get_parent(__clk_get_parent(hw->clk)));
- u32 reg;
- int i;
-
- for (i = 0; i < ARRAY_SIZE(utmi_parameters); i++) {
- if (main_rate == utmi_parameters[i].osc_frequency)
- break;
- }
-
- if (i >= ARRAY_SIZE(utmi_parameters)) {
- pr_err("%s: Unexpected main rate %lu\n", __func__, main_rate);
- return;
- }
-
- reg = clk_readl(UTMIP_PLL_CFG2);
-
- /* Program UTMIP PLL stable and active counts */
- /* [FIXME] arclk_rst.h says WRONG! This should be 1ms -> 0x50 Check! */
- reg &= ~UTMIP_PLL_CFG2_STABLE_COUNT(~0);
- reg |= UTMIP_PLL_CFG2_STABLE_COUNT(
- utmi_parameters[i].stable_count);
-
- reg &= ~UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(~0);
-
- reg |= UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(
- utmi_parameters[i].active_delay_count);
-
- /* Remove power downs from UTMIP PLL control bits */
- reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERDOWN;
- reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERDOWN;
- reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_C_POWERDOWN;
-
- clk_writel(reg, UTMIP_PLL_CFG2);
-
- /* Program UTMIP PLL delay and oscillator frequency counts */
- reg = clk_readl(UTMIP_PLL_CFG1);
- reg &= ~UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(~0);
-
- reg |= UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(
- utmi_parameters[i].enable_delay_count);
-
- reg &= ~UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(~0);
- reg |= UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(
- utmi_parameters[i].xtal_freq_count);
-
- /* Remove power downs from UTMIP PLL control bits */
- reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN;
- reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ACTIVE_POWERDOWN;
- reg &= ~UTMIP_PLL_CFG1_FORCE_PLLU_POWERDOWN;
-
- clk_writel(reg, UTMIP_PLL_CFG1);
-}
-
-/* PLL Functions */
-static int tegra30_pll_clk_wait_for_lock(struct clk_tegra *c, u32 lock_reg,
- u32 lock_bit)
-{
- int ret = 0;
-
-#if USE_PLL_LOCK_BITS
- int i;
- for (i = 0; i < c->u.pll.lock_delay; i++) {
- if (clk_readl(lock_reg) & lock_bit) {
- udelay(PLL_POST_LOCK_DELAY);
- return 0;
- }
- udelay(2); /* timeout = 2 * lock time */
- }
- pr_err("Timed out waiting for lock bit on pll %s",
- __clk_get_name(hw->clk));
- ret = -1;
-#else
- udelay(c->u.pll.lock_delay);
-#endif
- return ret;
-}
-
-static int tegra30_pll_clk_is_enabled(struct clk_hw *hw)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- u32 val = clk_readl(c->reg + PLL_BASE);
-
- c->state = (val & PLL_BASE_ENABLE) ? ON : OFF;
- return c->state;
-}
-
-static void tegra30_pll_clk_init(struct clk_hw *hw)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
-
- if (c->flags & PLLU)
- tegra30_utmi_param_configure(hw);
-}
-
-static int tegra30_pll_clk_enable(struct clk_hw *hw)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- u32 val;
- pr_debug("%s on clock %s\n", __func__, __clk_get_name(hw->clk));
-
-#if USE_PLL_LOCK_BITS
- val = clk_readl(c->reg + PLL_MISC(c));
- val |= PLL_MISC_LOCK_ENABLE(c);
- clk_writel(val, c->reg + PLL_MISC(c));
-#endif
- val = clk_readl(c->reg + PLL_BASE);
- val &= ~PLL_BASE_BYPASS;
- val |= PLL_BASE_ENABLE;
- clk_writel(val, c->reg + PLL_BASE);
-
- if (c->flags & PLLM) {
- val = pmc_readl(PMC_PLLP_WB0_OVERRIDE);
- val |= PMC_PLLP_WB0_OVERRIDE_PLLM_ENABLE;
- pmc_writel(val, PMC_PLLP_WB0_OVERRIDE);
- }
-
- tegra30_pll_clk_wait_for_lock(c, c->reg + PLL_BASE, PLL_BASE_LOCK);
-
- return 0;
-}
-
-static void tegra30_pll_clk_disable(struct clk_hw *hw)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- u32 val;
- pr_debug("%s on clock %s\n", __func__, __clk_get_name(hw->clk));
-
- val = clk_readl(c->reg);
- val &= ~(PLL_BASE_BYPASS | PLL_BASE_ENABLE);
- clk_writel(val, c->reg);
-
- if (c->flags & PLLM) {
- val = pmc_readl(PMC_PLLP_WB0_OVERRIDE);
- val &= ~PMC_PLLP_WB0_OVERRIDE_PLLM_ENABLE;
- pmc_writel(val, PMC_PLLP_WB0_OVERRIDE);
- }
-}
-
-static int tegra30_pll_clk_set_rate(struct clk_hw *hw, unsigned long rate,
- unsigned long parent_rate)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- u32 val, p_div, old_base;
- unsigned long input_rate;
- const struct clk_pll_freq_table *sel;
- struct clk_pll_freq_table cfg;
-
- if (c->flags & PLL_FIXED) {
- int ret = 0;
- if (rate != c->u.pll.fixed_rate) {
- pr_err("%s: Can not change %s fixed rate %lu to %lu\n",
- __func__, __clk_get_name(hw->clk),
- c->u.pll.fixed_rate, rate);
- ret = -EINVAL;
- }
- return ret;
- }
-
- if (c->flags & PLLM) {
- if (rate != __clk_get_rate(hw->clk)) {
- pr_err("%s: Can not change memory %s rate in flight\n",
- __func__, __clk_get_name(hw->clk));
- return -EINVAL;
- }
- }
-
- p_div = 0;
- input_rate = parent_rate;
-
- /* Check if the target rate is tabulated */
- for (sel = c->u.pll.freq_table; sel->input_rate != 0; sel++) {
- if (sel->input_rate == input_rate && sel->output_rate == rate) {
- if (c->flags & PLLU) {
- BUG_ON(sel->p < 1 || sel->p > 2);
- if (sel->p == 1)
- p_div = PLLU_BASE_POST_DIV;
- } else {
- BUG_ON(sel->p < 1);
- for (val = sel->p; val > 1; val >>= 1)
- p_div++;
- p_div <<= PLL_BASE_DIVP_SHIFT;
- }
- break;
- }
- }
-
- /* Configure out-of-table rate */
- if (sel->input_rate == 0) {
- unsigned long cfreq;
- BUG_ON(c->flags & PLLU);
- sel = &cfg;
-
- switch (input_rate) {
- case 12000000:
- case 26000000:
- cfreq = (rate <= 1000000 * 1000) ? 1000000 : 2000000;
- break;
- case 13000000:
- cfreq = (rate <= 1000000 * 1000) ? 1000000 : 2600000;
- break;
- case 16800000:
- case 19200000:
- cfreq = (rate <= 1200000 * 1000) ? 1200000 : 2400000;
- break;
- default:
- pr_err("%s: Unexpected reference rate %lu\n",
- __func__, input_rate);
- BUG();
- }
-
- /* Raise VCO to guarantee 0.5% accuracy */
- for (cfg.output_rate = rate; cfg.output_rate < 200 * cfreq;
- cfg.output_rate <<= 1)
- p_div++;
-
- cfg.p = 0x1 << p_div;
- cfg.m = input_rate / cfreq;
- cfg.n = cfg.output_rate / cfreq;
- cfg.cpcon = OUT_OF_TABLE_CPCON;
-
- if ((cfg.m > (PLL_BASE_DIVM_MASK >> PLL_BASE_DIVM_SHIFT)) ||
- (cfg.n > (PLL_BASE_DIVN_MASK >> PLL_BASE_DIVN_SHIFT)) ||
- (p_div > (PLL_BASE_DIVP_MASK >> PLL_BASE_DIVP_SHIFT)) ||
- (cfg.output_rate > c->u.pll.vco_max)) {
- pr_err("%s: Failed to set %s out-of-table rate %lu\n",
- __func__, __clk_get_name(hw->clk), rate);
- return -EINVAL;
- }
- p_div <<= PLL_BASE_DIVP_SHIFT;
- }
-
- c->mul = sel->n;
- c->div = sel->m * sel->p;
-
- old_base = val = clk_readl(c->reg + PLL_BASE);
- val &= ~(PLL_BASE_DIVM_MASK | PLL_BASE_DIVN_MASK |
- ((c->flags & PLLU) ? PLLU_BASE_POST_DIV : PLL_BASE_DIVP_MASK));
- val |= (sel->m << PLL_BASE_DIVM_SHIFT) |
- (sel->n << PLL_BASE_DIVN_SHIFT) | p_div;
- if (val == old_base)
- return 0;
-
- if (c->state == ON) {
- tegra30_pll_clk_disable(hw);
- val &= ~(PLL_BASE_BYPASS | PLL_BASE_ENABLE);
- }
- clk_writel(val, c->reg + PLL_BASE);
-
- if (c->flags & PLL_HAS_CPCON) {
- val = clk_readl(c->reg + PLL_MISC(c));
- val &= ~PLL_MISC_CPCON_MASK;
- val |= sel->cpcon << PLL_MISC_CPCON_SHIFT;
- if (c->flags & (PLLU | PLLD)) {
- val &= ~PLL_MISC_LFCON_MASK;
- if (sel->n >= PLLDU_LFCON_SET_DIVN)
- val |= 0x1 << PLL_MISC_LFCON_SHIFT;
- } else if (c->flags & (PLLX | PLLM)) {
- val &= ~(0x1 << PLL_MISC_DCCON_SHIFT);
- if (rate >= (c->u.pll.vco_max >> 1))
- val |= 0x1 << PLL_MISC_DCCON_SHIFT;
- }
- clk_writel(val, c->reg + PLL_MISC(c));
- }
-
- if (c->state == ON)
- tegra30_pll_clk_enable(hw);
-
- c->u.pll.fixed_rate = rate;
-
- return 0;
-}
-
-static long tegra30_pll_round_rate(struct clk_hw *hw, unsigned long rate,
- unsigned long *prate)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- unsigned long input_rate = *prate;
- u64 output_rate = *prate;
- const struct clk_pll_freq_table *sel;
- struct clk_pll_freq_table cfg;
- int mul;
- int div;
- u32 p_div;
- u32 val;
-
- if (c->flags & PLL_FIXED)
- return c->u.pll.fixed_rate;
-
- if (c->flags & PLLM)
- return __clk_get_rate(hw->clk);
-
- p_div = 0;
- /* Check if the target rate is tabulated */
- for (sel = c->u.pll.freq_table; sel->input_rate != 0; sel++) {
- if (sel->input_rate == input_rate && sel->output_rate == rate) {
- if (c->flags & PLLU) {
- BUG_ON(sel->p < 1 || sel->p > 2);
- if (sel->p == 1)
- p_div = PLLU_BASE_POST_DIV;
- } else {
- BUG_ON(sel->p < 1);
- for (val = sel->p; val > 1; val >>= 1)
- p_div++;
- p_div <<= PLL_BASE_DIVP_SHIFT;
- }
- break;
- }
- }
-
- if (sel->input_rate == 0) {
- unsigned long cfreq;
- BUG_ON(c->flags & PLLU);
- sel = &cfg;
-
- switch (input_rate) {
- case 12000000:
- case 26000000:
- cfreq = (rate <= 1000000 * 1000) ? 1000000 : 2000000;
- break;
- case 13000000:
- cfreq = (rate <= 1000000 * 1000) ? 1000000 : 2600000;
- break;
- case 16800000:
- case 19200000:
- cfreq = (rate <= 1200000 * 1000) ? 1200000 : 2400000;
- break;
- default:
- pr_err("%s: Unexpected reference rate %lu\n",
- __func__, input_rate);
- BUG();
- }
-
- /* Raise VCO to guarantee 0.5% accuracy */
- for (cfg.output_rate = rate; cfg.output_rate < 200 * cfreq;
- cfg.output_rate <<= 1)
- p_div++;
-
- cfg.p = 0x1 << p_div;
- cfg.m = input_rate / cfreq;
- cfg.n = cfg.output_rate / cfreq;
- }
-
- mul = sel->n;
- div = sel->m * sel->p;
-
- output_rate *= mul;
- output_rate += div - 1; /* round up */
- do_div(output_rate, div);
-
- return output_rate;
-}
-
-static unsigned long tegra30_pll_recalc_rate(struct clk_hw *hw,
- unsigned long parent_rate)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- u64 rate = parent_rate;
- u32 val = clk_readl(c->reg + PLL_BASE);
-
- if (c->flags & PLL_FIXED && !(val & PLL_BASE_OVERRIDE)) {
- const struct clk_pll_freq_table *sel;
- for (sel = c->u.pll.freq_table; sel->input_rate != 0; sel++) {
- if (sel->input_rate == parent_rate &&
- sel->output_rate == c->u.pll.fixed_rate) {
- c->mul = sel->n;
- c->div = sel->m * sel->p;
- break;
- }
- }
- pr_err("Clock %s has unknown fixed frequency\n",
- __clk_get_name(hw->clk));
- BUG();
- } else if (val & PLL_BASE_BYPASS) {
- c->mul = 1;
- c->div = 1;
- } else {
- c->mul = (val & PLL_BASE_DIVN_MASK) >> PLL_BASE_DIVN_SHIFT;
- c->div = (val & PLL_BASE_DIVM_MASK) >> PLL_BASE_DIVM_SHIFT;
- if (c->flags & PLLU)
- c->div *= (val & PLLU_BASE_POST_DIV) ? 1 : 2;
- else
- c->div *= (0x1 << ((val & PLL_BASE_DIVP_MASK) >>
- PLL_BASE_DIVP_SHIFT));
- }
-
- if (c->mul != 0 && c->div != 0) {
- rate *= c->mul;
- rate += c->div - 1; /* round up */
- do_div(rate, c->div);
- }
-
- return rate;
-}
-
-struct clk_ops tegra30_pll_ops = {
- .is_enabled = tegra30_pll_clk_is_enabled,
- .init = tegra30_pll_clk_init,
- .enable = tegra30_pll_clk_enable,
- .disable = tegra30_pll_clk_disable,
- .recalc_rate = tegra30_pll_recalc_rate,
- .round_rate = tegra30_pll_round_rate,
- .set_rate = tegra30_pll_clk_set_rate,
-};
-
-int tegra30_plld_clk_cfg_ex(struct clk_hw *hw,
- enum tegra_clk_ex_param p, u32 setting)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- u32 val, mask, reg;
-
- switch (p) {
- case TEGRA_CLK_PLLD_CSI_OUT_ENB:
- mask = PLLD_BASE_CSI_CLKENABLE;
- reg = c->reg + PLL_BASE;
- break;
- case TEGRA_CLK_PLLD_DSI_OUT_ENB:
- mask = PLLD_MISC_DSI_CLKENABLE;
- reg = c->reg + PLL_MISC(c);
- break;
- case TEGRA_CLK_PLLD_MIPI_MUX_SEL:
- if (!(c->flags & PLL_ALT_MISC_REG)) {
- mask = PLLD_BASE_DSIB_MUX_MASK;
- reg = c->reg + PLL_BASE;
- break;
- }
- /* fall through - error since PLLD2 does not have MUX_SEL control */
- default:
- return -EINVAL;
- }
-
- val = clk_readl(reg);
- if (setting)
- val |= mask;
- else
- val &= ~mask;
- clk_writel(val, reg);
- return 0;
-}
-
-static int tegra30_plle_clk_is_enabled(struct clk_hw *hw)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- u32 val;
-
- val = clk_readl(c->reg + PLL_BASE);
- c->state = (val & PLLE_BASE_ENABLE) ? ON : OFF;
- return c->state;
-}
-
-static void tegra30_plle_clk_disable(struct clk_hw *hw)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- u32 val;
-
- val = clk_readl(c->reg + PLL_BASE);
- val &= ~(PLLE_BASE_CML_ENABLE | PLLE_BASE_ENABLE);
- clk_writel(val, c->reg + PLL_BASE);
-}
-
-static void tegra30_plle_training(struct clk_tegra *c)
-{
- u32 val;
-
- /* PLLE is already disabled, and setup cleared;
- * create falling edge on PLLE IDDQ input */
- val = pmc_readl(PMC_SATA_PWRGT);
- val |= PMC_SATA_PWRGT_PLLE_IDDQ_VALUE;
- pmc_writel(val, PMC_SATA_PWRGT);
-
- val = pmc_readl(PMC_SATA_PWRGT);
- val |= PMC_SATA_PWRGT_PLLE_IDDQ_SWCTL;
- pmc_writel(val, PMC_SATA_PWRGT);
-
- val = pmc_readl(PMC_SATA_PWRGT);
- val &= ~PMC_SATA_PWRGT_PLLE_IDDQ_VALUE;
- pmc_writel(val, PMC_SATA_PWRGT);
-
- do {
- val = clk_readl(c->reg + PLL_MISC(c));
- } while (!(val & PLLE_MISC_READY));
-}
-
-static int tegra30_plle_configure(struct clk_hw *hw, bool force_training)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- struct clk *parent = __clk_get_parent(hw->clk);
- const struct clk_pll_freq_table *sel;
- u32 val;
-
- unsigned long rate = c->u.pll.fixed_rate;
- unsigned long input_rate = __clk_get_rate(parent);
-
- for (sel = c->u.pll.freq_table; sel->input_rate != 0; sel++) {
- if (sel->input_rate == input_rate && sel->output_rate == rate)
- break;
- }
-
- if (sel->input_rate == 0)
- return -ENOSYS;
-
- /* disable PLLE, clear setup fiels */
- tegra30_plle_clk_disable(hw);
-
- val = clk_readl(c->reg + PLL_MISC(c));
- val &= ~(PLLE_MISC_LOCK_ENABLE | PLLE_MISC_SETUP_MASK);
- clk_writel(val, c->reg + PLL_MISC(c));
-
- /* training */
- val = clk_readl(c->reg + PLL_MISC(c));
- if (force_training || (!(val & PLLE_MISC_READY)))
- tegra30_plle_training(c);
-
- /* configure dividers, setup, disable SS */
- val = clk_readl(c->reg + PLL_BASE);
- val &= ~PLLE_BASE_DIV_MASK;
- val |= PLLE_BASE_DIV(sel->m, sel->n, sel->p, sel->cpcon);
- clk_writel(val, c->reg + PLL_BASE);
- c->mul = sel->n;
- c->div = sel->m * sel->p;
-
- val = clk_readl(c->reg + PLL_MISC(c));
- val |= PLLE_MISC_SETUP_VALUE;
- val |= PLLE_MISC_LOCK_ENABLE;
- clk_writel(val, c->reg + PLL_MISC(c));
-
- val = clk_readl(PLLE_SS_CTRL);
- val |= PLLE_SS_DISABLE;
- clk_writel(val, PLLE_SS_CTRL);
-
- /* enable and lock PLLE*/
- val = clk_readl(c->reg + PLL_BASE);
- val |= (PLLE_BASE_CML_ENABLE | PLLE_BASE_ENABLE);
- clk_writel(val, c->reg + PLL_BASE);
-
- tegra30_pll_clk_wait_for_lock(c, c->reg + PLL_MISC(c), PLLE_MISC_LOCK);
-
- return 0;
-}
-
-static int tegra30_plle_clk_enable(struct clk_hw *hw)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
-
- return tegra30_plle_configure(hw, !c->set);
-}
-
-static unsigned long tegra30_plle_clk_recalc_rate(struct clk_hw *hw,
- unsigned long parent_rate)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- unsigned long rate = parent_rate;
- u32 val;
-
- val = clk_readl(c->reg + PLL_BASE);
- c->mul = (val & PLLE_BASE_DIVN_MASK) >> PLLE_BASE_DIVN_SHIFT;
- c->div = (val & PLLE_BASE_DIVM_MASK) >> PLLE_BASE_DIVM_SHIFT;
- c->div *= (val & PLLE_BASE_DIVP_MASK) >> PLLE_BASE_DIVP_SHIFT;
-
- if (c->mul != 0 && c->div != 0) {
- rate *= c->mul;
- rate += c->div - 1; /* round up */
- do_div(rate, c->div);
- }
- return rate;
-}
-
-struct clk_ops tegra30_plle_ops = {
- .is_enabled = tegra30_plle_clk_is_enabled,
- .enable = tegra30_plle_clk_enable,
- .disable = tegra30_plle_clk_disable,
- .recalc_rate = tegra30_plle_clk_recalc_rate,
-};
-
-/* Clock divider ops */
-static int tegra30_pll_div_clk_is_enabled(struct clk_hw *hw)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
-
- if (c->flags & DIV_U71) {
- u32 val = clk_readl(c->reg);
- val >>= c->reg_shift;
- c->state = (val & PLL_OUT_CLKEN) ? ON : OFF;
- if (!(val & PLL_OUT_RESET_DISABLE))
- c->state = OFF;
- } else {
- c->state = ON;
- }
- return c->state;
-}
-
-static int tegra30_pll_div_clk_enable(struct clk_hw *hw)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- u32 val;
- u32 new_val;
-
- pr_debug("%s: %s\n", __func__, __clk_get_name(hw->clk));
- if (c->flags & DIV_U71) {
- val = clk_readl(c->reg);
- new_val = val >> c->reg_shift;
- new_val &= 0xFFFF;
-
- new_val |= PLL_OUT_CLKEN | PLL_OUT_RESET_DISABLE;
-
- val &= ~(0xFFFF << c->reg_shift);
- val |= new_val << c->reg_shift;
- clk_writel_delay(val, c->reg);
- return 0;
- } else if (c->flags & DIV_2) {
- return 0;
- }
- return -EINVAL;
-}
-
-static void tegra30_pll_div_clk_disable(struct clk_hw *hw)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- u32 val;
- u32 new_val;
-
- pr_debug("%s: %s\n", __func__, __clk_get_name(hw->clk));
- if (c->flags & DIV_U71) {
- val = clk_readl(c->reg);
- new_val = val >> c->reg_shift;
- new_val &= 0xFFFF;
-
- new_val &= ~(PLL_OUT_CLKEN | PLL_OUT_RESET_DISABLE);
-
- val &= ~(0xFFFF << c->reg_shift);
- val |= new_val << c->reg_shift;
- clk_writel_delay(val, c->reg);
- }
-}
-
-static int tegra30_pll_div_clk_set_rate(struct clk_hw *hw, unsigned long rate,
- unsigned long parent_rate)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- u32 val;
- u32 new_val;
- int divider_u71;
-
- if (c->flags & DIV_U71) {
- divider_u71 = clk_div71_get_divider(
- parent_rate, rate, c->flags, ROUND_DIVIDER_UP);
- if (divider_u71 >= 0) {
- val = clk_readl(c->reg);
- new_val = val >> c->reg_shift;
- new_val &= 0xFFFF;
- if (c->flags & DIV_U71_FIXED)
- new_val |= PLL_OUT_OVERRIDE;
- new_val &= ~PLL_OUT_RATIO_MASK;
- new_val |= divider_u71 << PLL_OUT_RATIO_SHIFT;
-
- val &= ~(0xFFFF << c->reg_shift);
- val |= new_val << c->reg_shift;
- clk_writel_delay(val, c->reg);
- c->div = divider_u71 + 2;
- c->mul = 2;
- c->fixed_rate = rate;
- return 0;
- }
- } else if (c->flags & DIV_2) {
- c->fixed_rate = rate;
- return 0;
- }
-
- return -EINVAL;
-}
-
-static unsigned long tegra30_pll_div_clk_recalc_rate(struct clk_hw *hw,
- unsigned long parent_rate)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- u64 rate = parent_rate;
-
- if (c->flags & DIV_U71) {
- u32 divu71;
- u32 val = clk_readl(c->reg);
- val >>= c->reg_shift;
-
- divu71 = (val & PLL_OUT_RATIO_MASK) >> PLL_OUT_RATIO_SHIFT;
- c->div = (divu71 + 2);
- c->mul = 2;
- } else if (c->flags & DIV_2) {
- if (c->flags & (PLLD | PLLX)) {
- c->div = 2;
- c->mul = 1;
- } else
- BUG();
- } else {
- c->div = 1;
- c->mul = 1;
- }
- if (c->mul != 0 && c->div != 0) {
- rate *= c->mul;
- rate += c->div - 1; /* round up */
- do_div(rate, c->div);
- }
-
- return rate;
-}
-
-static long tegra30_pll_div_clk_round_rate(struct clk_hw *hw,
- unsigned long rate, unsigned long *prate)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- unsigned long parent_rate = __clk_get_rate(__clk_get_parent(hw->clk));
- int divider;
-
- if (prate)
- parent_rate = *prate;
-
- if (c->flags & DIV_U71) {
- divider = clk_div71_get_divider(
- parent_rate, rate, c->flags, ROUND_DIVIDER_UP);
- if (divider < 0)
- return divider;
- return DIV_ROUND_UP(parent_rate * 2, divider + 2);
- } else if (c->flags & DIV_2) {
- *prate = rate * 2;
- return rate;
- }
-
- return -EINVAL;
-}
-
-struct clk_ops tegra30_pll_div_ops = {
- .is_enabled = tegra30_pll_div_clk_is_enabled,
- .enable = tegra30_pll_div_clk_enable,
- .disable = tegra30_pll_div_clk_disable,
- .set_rate = tegra30_pll_div_clk_set_rate,
- .recalc_rate = tegra30_pll_div_clk_recalc_rate,
- .round_rate = tegra30_pll_div_clk_round_rate,
-};
-
-/* Periph clk ops */
-static inline u32 periph_clk_source_mask(struct clk_tegra *c)
-{
- if (c->flags & MUX8)
- return 7 << 29;
- else if (c->flags & MUX_PWM)
- return 3 << 28;
- else if (c->flags & MUX_CLK_OUT)
- return 3 << (c->u.periph.clk_num + 4);
- else if (c->flags & PLLD)
- return PLLD_BASE_DSIB_MUX_MASK;
- else
- return 3 << 30;
-}
-
-static inline u32 periph_clk_source_shift(struct clk_tegra *c)
-{
- if (c->flags & MUX8)
- return 29;
- else if (c->flags & MUX_PWM)
- return 28;
- else if (c->flags & MUX_CLK_OUT)
- return c->u.periph.clk_num + 4;
- else if (c->flags & PLLD)
- return PLLD_BASE_DSIB_MUX_SHIFT;
- else
- return 30;
-}
-
-static int tegra30_periph_clk_is_enabled(struct clk_hw *hw)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
-
- c->state = ON;
- if (!(clk_readl(PERIPH_CLK_TO_ENB_REG(c)) & PERIPH_CLK_TO_BIT(c)))
- c->state = OFF;
- if (!(c->flags & PERIPH_NO_RESET))
- if (clk_readl(PERIPH_CLK_TO_RST_REG(c)) & PERIPH_CLK_TO_BIT(c))
- c->state = OFF;
- return c->state;
-}
-
-static int tegra30_periph_clk_enable(struct clk_hw *hw)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
-
- tegra_periph_clk_enable_refcount[c->u.periph.clk_num]++;
- if (tegra_periph_clk_enable_refcount[c->u.periph.clk_num] > 1)
- return 0;
-
- clk_writel_delay(PERIPH_CLK_TO_BIT(c), PERIPH_CLK_TO_ENB_SET_REG(c));
- if (!(c->flags & PERIPH_NO_RESET) &&
- !(c->flags & PERIPH_MANUAL_RESET)) {
- if (clk_readl(PERIPH_CLK_TO_RST_REG(c)) &
- PERIPH_CLK_TO_BIT(c)) {
- udelay(5); /* reset propagation delay */
- clk_writel(PERIPH_CLK_TO_BIT(c),
- PERIPH_CLK_TO_RST_CLR_REG(c));
- }
- }
- return 0;
-}
-
-static void tegra30_periph_clk_disable(struct clk_hw *hw)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- unsigned long val;
-
- tegra_periph_clk_enable_refcount[c->u.periph.clk_num]--;
-
- if (tegra_periph_clk_enable_refcount[c->u.periph.clk_num] > 0)
- return;
-
- /* If peripheral is in the APB bus then read the APB bus to
- * flush the write operation in apb bus. This will avoid the
- * peripheral access after disabling clock*/
- if (c->flags & PERIPH_ON_APB)
- val = chipid_readl();
-
- clk_writel_delay(PERIPH_CLK_TO_BIT(c), PERIPH_CLK_TO_ENB_CLR_REG(c));
-}
-
-void tegra30_periph_clk_reset(struct clk_hw *hw, bool assert)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- unsigned long val;
-
- if (!(c->flags & PERIPH_NO_RESET)) {
- if (assert) {
- /* If peripheral is in the APB bus then read the APB
- * bus to flush the write operation in apb bus. This
- * will avoid the peripheral access after disabling
- * clock */
- if (c->flags & PERIPH_ON_APB)
- val = chipid_readl();
-
- clk_writel(PERIPH_CLK_TO_BIT(c),
- PERIPH_CLK_TO_RST_SET_REG(c));
- } else
- clk_writel(PERIPH_CLK_TO_BIT(c),
- PERIPH_CLK_TO_RST_CLR_REG(c));
- }
-}
-
-static int tegra30_periph_clk_set_parent(struct clk_hw *hw, u8 index)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- u32 val;
-
- if (!(c->flags & MUX))
- return (index == 0) ? 0 : (-EINVAL);
-
- val = clk_readl(c->reg);
- val &= ~periph_clk_source_mask(c);
- val |= (index << periph_clk_source_shift(c));
- clk_writel_delay(val, c->reg);
- return 0;
-}
-
-static u8 tegra30_periph_clk_get_parent(struct clk_hw *hw)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- u32 val = clk_readl(c->reg);
- int source = (val & periph_clk_source_mask(c)) >>
- periph_clk_source_shift(c);
-
- if (!(c->flags & MUX))
- return 0;
-
- return source;
-}
-
-static int tegra30_periph_clk_set_rate(struct clk_hw *hw, unsigned long rate,
- unsigned long parent_rate)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- u32 val;
- int divider;
-
- if (c->flags & DIV_U71) {
- divider = clk_div71_get_divider(
- parent_rate, rate, c->flags, ROUND_DIVIDER_UP);
- if (divider >= 0) {
- val = clk_readl(c->reg);
- val &= ~PERIPH_CLK_SOURCE_DIVU71_MASK;
- val |= divider;
- if (c->flags & DIV_U71_UART) {
- if (divider)
- val |= PERIPH_CLK_UART_DIV_ENB;
- else
- val &= ~PERIPH_CLK_UART_DIV_ENB;
- }
- clk_writel_delay(val, c->reg);
- c->div = divider + 2;
- c->mul = 2;
- return 0;
- }
- } else if (c->flags & DIV_U16) {
- divider = clk_div16_get_divider(parent_rate, rate);
- if (divider >= 0) {
- val = clk_readl(c->reg);
- val &= ~PERIPH_CLK_SOURCE_DIVU16_MASK;
- val |= divider;
- clk_writel_delay(val, c->reg);
- c->div = divider + 1;
- c->mul = 1;
- return 0;
- }
- } else if (parent_rate <= rate) {
- c->div = 1;
- c->mul = 1;
- return 0;
- }
- return -EINVAL;
-}
-
-static long tegra30_periph_clk_round_rate(struct clk_hw *hw, unsigned long rate,
- unsigned long *prate)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- unsigned long parent_rate = __clk_get_rate(__clk_get_parent(hw->clk));
- int divider;
-
- if (prate)
- parent_rate = *prate;
-
- if (c->flags & DIV_U71) {
- divider = clk_div71_get_divider(
- parent_rate, rate, c->flags, ROUND_DIVIDER_UP);
- if (divider < 0)
- return divider;
-
- return DIV_ROUND_UP(parent_rate * 2, divider + 2);
- } else if (c->flags & DIV_U16) {
- divider = clk_div16_get_divider(parent_rate, rate);
- if (divider < 0)
- return divider;
- return DIV_ROUND_UP(parent_rate, divider + 1);
- }
- return -EINVAL;
-}
-
-static unsigned long tegra30_periph_clk_recalc_rate(struct clk_hw *hw,
- unsigned long parent_rate)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- u64 rate = parent_rate;
- u32 val = clk_readl(c->reg);
-
- if (c->flags & DIV_U71) {
- u32 divu71 = val & PERIPH_CLK_SOURCE_DIVU71_MASK;
- if ((c->flags & DIV_U71_UART) &&
- (!(val & PERIPH_CLK_UART_DIV_ENB))) {
- divu71 = 0;
- }
- if (c->flags & DIV_U71_IDLE) {
- val &= ~(PERIPH_CLK_SOURCE_DIVU71_MASK <<
- PERIPH_CLK_SOURCE_DIVIDLE_SHIFT);
- val |= (PERIPH_CLK_SOURCE_DIVIDLE_VAL <<
- PERIPH_CLK_SOURCE_DIVIDLE_SHIFT);
- clk_writel(val, c->reg);
- }
- c->div = divu71 + 2;
- c->mul = 2;
- } else if (c->flags & DIV_U16) {
- u32 divu16 = val & PERIPH_CLK_SOURCE_DIVU16_MASK;
- c->div = divu16 + 1;
- c->mul = 1;
- } else {
- c->div = 1;
- c->mul = 1;
- }
-
- if (c->mul != 0 && c->div != 0) {
- rate *= c->mul;
- rate += c->div - 1; /* round up */
- do_div(rate, c->div);
- }
- return rate;
-}
-
-struct clk_ops tegra30_periph_clk_ops = {
- .is_enabled = tegra30_periph_clk_is_enabled,
- .enable = tegra30_periph_clk_enable,
- .disable = tegra30_periph_clk_disable,
- .set_parent = tegra30_periph_clk_set_parent,
- .get_parent = tegra30_periph_clk_get_parent,
- .set_rate = tegra30_periph_clk_set_rate,
- .round_rate = tegra30_periph_clk_round_rate,
- .recalc_rate = tegra30_periph_clk_recalc_rate,
-};
-
-static int tegra30_dsib_clk_set_parent(struct clk_hw *hw, u8 index)
-{
- struct clk *d = clk_get_sys(NULL, "pll_d");
- /* The DSIB parent selection bit is in PLLD base register */
- tegra_clk_cfg_ex(
- d, TEGRA_CLK_PLLD_MIPI_MUX_SEL, index);
-
- return 0;
-}
-
-struct clk_ops tegra30_dsib_clk_ops = {
- .is_enabled = tegra30_periph_clk_is_enabled,
- .enable = &tegra30_periph_clk_enable,
- .disable = &tegra30_periph_clk_disable,
- .set_parent = &tegra30_dsib_clk_set_parent,
- .get_parent = &tegra30_periph_clk_get_parent,
- .set_rate = &tegra30_periph_clk_set_rate,
- .round_rate = &tegra30_periph_clk_round_rate,
- .recalc_rate = &tegra30_periph_clk_recalc_rate,
-};
-
-/* Periph extended clock configuration ops */
-int tegra30_vi_clk_cfg_ex(struct clk_hw *hw,
- enum tegra_clk_ex_param p, u32 setting)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
-
- if (p == TEGRA_CLK_VI_INP_SEL) {
- u32 val = clk_readl(c->reg);
- val &= ~PERIPH_CLK_VI_SEL_EX_MASK;
- val |= (setting << PERIPH_CLK_VI_SEL_EX_SHIFT) &
- PERIPH_CLK_VI_SEL_EX_MASK;
- clk_writel(val, c->reg);
- return 0;
- }
- return -EINVAL;
-}
-
-int tegra30_nand_clk_cfg_ex(struct clk_hw *hw,
- enum tegra_clk_ex_param p, u32 setting)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
-
- if (p == TEGRA_CLK_NAND_PAD_DIV2_ENB) {
- u32 val = clk_readl(c->reg);
- if (setting)
- val |= PERIPH_CLK_NAND_DIV_EX_ENB;
- else
- val &= ~PERIPH_CLK_NAND_DIV_EX_ENB;
- clk_writel(val, c->reg);
- return 0;
- }
- return -EINVAL;
-}
-
-int tegra30_dtv_clk_cfg_ex(struct clk_hw *hw,
- enum tegra_clk_ex_param p, u32 setting)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
-
- if (p == TEGRA_CLK_DTV_INVERT) {
- u32 val = clk_readl(c->reg);
- if (setting)
- val |= PERIPH_CLK_DTV_POLARITY_INV;
- else
- val &= ~PERIPH_CLK_DTV_POLARITY_INV;
- clk_writel(val, c->reg);
- return 0;
- }
- return -EINVAL;
-}
-
-/* Output clock ops */
-
-static DEFINE_SPINLOCK(clk_out_lock);
-
-static int tegra30_clk_out_is_enabled(struct clk_hw *hw)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- u32 val = pmc_readl(c->reg);
-
- c->state = (val & (0x1 << c->u.periph.clk_num)) ? ON : OFF;
- c->mul = 1;
- c->div = 1;
- return c->state;
-}
-
-static int tegra30_clk_out_enable(struct clk_hw *hw)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- u32 val;
- unsigned long flags;
-
- spin_lock_irqsave(&clk_out_lock, flags);
- val = pmc_readl(c->reg);
- val |= (0x1 << c->u.periph.clk_num);
- pmc_writel(val, c->reg);
- spin_unlock_irqrestore(&clk_out_lock, flags);
-
- return 0;
-}
-
-static void tegra30_clk_out_disable(struct clk_hw *hw)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- u32 val;
- unsigned long flags;
-
- spin_lock_irqsave(&clk_out_lock, flags);
- val = pmc_readl(c->reg);
- val &= ~(0x1 << c->u.periph.clk_num);
- pmc_writel(val, c->reg);
- spin_unlock_irqrestore(&clk_out_lock, flags);
-}
-
-static int tegra30_clk_out_set_parent(struct clk_hw *hw, u8 index)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- u32 val;
- unsigned long flags;
-
- spin_lock_irqsave(&clk_out_lock, flags);
- val = pmc_readl(c->reg);
- val &= ~periph_clk_source_mask(c);
- val |= (index << periph_clk_source_shift(c));
- pmc_writel(val, c->reg);
- spin_unlock_irqrestore(&clk_out_lock, flags);
-
- return 0;
-}
-
-static u8 tegra30_clk_out_get_parent(struct clk_hw *hw)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- u32 val = pmc_readl(c->reg);
- int source;
-
- source = (val & periph_clk_source_mask(c)) >>
- periph_clk_source_shift(c);
- return source;
-}
-
-struct clk_ops tegra_clk_out_ops = {
- .is_enabled = tegra30_clk_out_is_enabled,
- .enable = tegra30_clk_out_enable,
- .disable = tegra30_clk_out_disable,
- .set_parent = tegra30_clk_out_set_parent,
- .get_parent = tegra30_clk_out_get_parent,
- .recalc_rate = tegra30_clk_fixed_recalc_rate,
-};
-
-/* Clock doubler ops */
-static int tegra30_clk_double_is_enabled(struct clk_hw *hw)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
-
- c->state = ON;
- if (!(clk_readl(PERIPH_CLK_TO_ENB_REG(c)) & PERIPH_CLK_TO_BIT(c)))
- c->state = OFF;
- return c->state;
-};
-
-static int tegra30_clk_double_set_rate(struct clk_hw *hw, unsigned long rate,
- unsigned long parent_rate)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- u32 val;
-
- if (rate == parent_rate) {
- val = clk_readl(c->reg) | (0x1 << c->reg_shift);
- clk_writel(val, c->reg);
- c->mul = 1;
- c->div = 1;
- return 0;
- } else if (rate == 2 * parent_rate) {
- val = clk_readl(c->reg) & (~(0x1 << c->reg_shift));
- clk_writel(val, c->reg);
- c->mul = 2;
- c->div = 1;
- return 0;
- }
- return -EINVAL;
-}
-
-static unsigned long tegra30_clk_double_recalc_rate(struct clk_hw *hw,
- unsigned long parent_rate)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- u64 rate = parent_rate;
-
- u32 val = clk_readl(c->reg);
- c->mul = val & (0x1 << c->reg_shift) ? 1 : 2;
- c->div = 1;
-
- if (c->mul != 0 && c->div != 0) {
- rate *= c->mul;
- rate += c->div - 1; /* round up */
- do_div(rate, c->div);
- }
-
- return rate;
-}
-
-static long tegra30_clk_double_round_rate(struct clk_hw *hw, unsigned long rate,
- unsigned long *prate)
-{
- unsigned long output_rate = *prate;
-
- do_div(output_rate, 2);
- return output_rate;
-}
-
-struct clk_ops tegra30_clk_double_ops = {
- .is_enabled = tegra30_clk_double_is_enabled,
- .enable = tegra30_periph_clk_enable,
- .disable = tegra30_periph_clk_disable,
- .recalc_rate = tegra30_clk_double_recalc_rate,
- .round_rate = tegra30_clk_double_round_rate,
- .set_rate = tegra30_clk_double_set_rate,
-};
-
-/* Audio sync clock ops */
-struct clk_ops tegra_sync_source_ops = {
- .recalc_rate = tegra30_clk_fixed_recalc_rate,
-};
-
-static int tegra30_audio_sync_clk_is_enabled(struct clk_hw *hw)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- u32 val = clk_readl(c->reg);
- c->state = (val & AUDIO_SYNC_DISABLE_BIT) ? OFF : ON;
- return c->state;
-}
-
-static int tegra30_audio_sync_clk_enable(struct clk_hw *hw)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- u32 val = clk_readl(c->reg);
- clk_writel((val & (~AUDIO_SYNC_DISABLE_BIT)), c->reg);
- return 0;
-}
-
-static void tegra30_audio_sync_clk_disable(struct clk_hw *hw)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- u32 val = clk_readl(c->reg);
- clk_writel((val | AUDIO_SYNC_DISABLE_BIT), c->reg);
-}
-
-static int tegra30_audio_sync_clk_set_parent(struct clk_hw *hw, u8 index)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- u32 val;
-
- val = clk_readl(c->reg);
- val &= ~AUDIO_SYNC_SOURCE_MASK;
- val |= index;
-
- clk_writel(val, c->reg);
- return 0;
-}
-
-static u8 tegra30_audio_sync_clk_get_parent(struct clk_hw *hw)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- u32 val = clk_readl(c->reg);
- int source;
-
- source = val & AUDIO_SYNC_SOURCE_MASK;
- return source;
-}
-
-struct clk_ops tegra30_audio_sync_clk_ops = {
- .is_enabled = tegra30_audio_sync_clk_is_enabled,
- .enable = tegra30_audio_sync_clk_enable,
- .disable = tegra30_audio_sync_clk_disable,
- .set_parent = tegra30_audio_sync_clk_set_parent,
- .get_parent = tegra30_audio_sync_clk_get_parent,
- .recalc_rate = tegra30_clk_fixed_recalc_rate,
-};
-
-/* cml0 (pcie), and cml1 (sata) clock ops */
-static int tegra30_cml_clk_is_enabled(struct clk_hw *hw)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
- u32 val = clk_readl(c->reg);
- c->state = val & (0x1 << c->u.periph.clk_num) ? ON : OFF;
- return c->state;
-}
-
-static int tegra30_cml_clk_enable(struct clk_hw *hw)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
-
- u32 val = clk_readl(c->reg);
- val |= (0x1 << c->u.periph.clk_num);
- clk_writel(val, c->reg);
-
- return 0;
-}
-
-static void tegra30_cml_clk_disable(struct clk_hw *hw)
-{
- struct clk_tegra *c = to_clk_tegra(hw);
-
- u32 val = clk_readl(c->reg);
- val &= ~(0x1 << c->u.periph.clk_num);
- clk_writel(val, c->reg);
-}
-
-struct clk_ops tegra_cml_clk_ops = {
- .is_enabled = tegra30_cml_clk_is_enabled,
- .enable = tegra30_cml_clk_enable,
- .disable = tegra30_cml_clk_disable,
- .recalc_rate = tegra30_clk_fixed_recalc_rate,
-};
-
-struct clk_ops tegra_pciex_clk_ops = {
- .recalc_rate = tegra30_clk_fixed_recalc_rate,
-};
-
-/* Tegra30 CPU clock and reset control functions */
-static void tegra30_wait_cpu_in_reset(u32 cpu)
-{
- unsigned int reg;
-
- do {
- reg = readl(reg_clk_base +
- TEGRA30_CLK_RST_CONTROLLER_CPU_CMPLX_STATUS);
- cpu_relax();
- } while (!(reg & (1 << cpu))); /* check CPU been reset or not */
-
- return;
-}
-
-static void tegra30_put_cpu_in_reset(u32 cpu)
-{
- writel(CPU_RESET(cpu),
- reg_clk_base + TEGRA_CLK_RST_CONTROLLER_RST_CPU_CMPLX_SET);
- dmb();
-}
-
-static void tegra30_cpu_out_of_reset(u32 cpu)
-{
- writel(CPU_RESET(cpu),
- reg_clk_base + TEGRA_CLK_RST_CONTROLLER_RST_CPU_CMPLX_CLR);
- wmb();
-}
-
-static void tegra30_enable_cpu_clock(u32 cpu)
-{
- unsigned int reg;
-
- writel(CPU_CLOCK(cpu),
- reg_clk_base + TEGRA30_CLK_RST_CONTROLLER_CLK_CPU_CMPLX_CLR);
- reg = readl(reg_clk_base +
- TEGRA30_CLK_RST_CONTROLLER_CLK_CPU_CMPLX_CLR);
-}
-
-static void tegra30_disable_cpu_clock(u32 cpu)
-{
-
- unsigned int reg;
-
- reg = readl(reg_clk_base + TEGRA_CLK_RST_CONTROLLER_CLK_CPU_CMPLX);
- writel(reg | CPU_CLOCK(cpu),
- reg_clk_base + TEGRA_CLK_RST_CONTROLLER_CLK_CPU_CMPLX);
-}
-
-#ifdef CONFIG_PM_SLEEP
-static bool tegra30_cpu_rail_off_ready(void)
-{
- unsigned int cpu_rst_status;
- int cpu_pwr_status;
-
- cpu_rst_status = readl(reg_clk_base +
- TEGRA30_CLK_RST_CONTROLLER_CPU_CMPLX_STATUS);
- cpu_pwr_status = tegra_powergate_is_powered(TEGRA_POWERGATE_CPU1) ||
- tegra_powergate_is_powered(TEGRA_POWERGATE_CPU2) ||
- tegra_powergate_is_powered(TEGRA_POWERGATE_CPU3);
-
- if (((cpu_rst_status & 0xE) != 0xE) || cpu_pwr_status)
- return false;
-
- return true;
-}
-
-static void tegra30_cpu_clock_suspend(void)
-{
- /* switch coresite to clk_m, save off original source */
- tegra30_cpu_clk_sctx.clk_csite_src =
- readl(reg_clk_base + CLK_RESET_SOURCE_CSITE);
- writel(3<<30, reg_clk_base + CLK_RESET_SOURCE_CSITE);
-
- tegra30_cpu_clk_sctx.cpu_burst =
- readl(reg_clk_base + CLK_RESET_CCLK_BURST);
- tegra30_cpu_clk_sctx.pllx_base =
- readl(reg_clk_base + CLK_RESET_PLLX_BASE);
- tegra30_cpu_clk_sctx.pllx_misc =
- readl(reg_clk_base + CLK_RESET_PLLX_MISC);
- tegra30_cpu_clk_sctx.cclk_divider =
- readl(reg_clk_base + CLK_RESET_CCLK_DIVIDER);
-}
-
-static void tegra30_cpu_clock_resume(void)
-{
- unsigned int reg, policy;
-
- /* Is CPU complex already running on PLLX? */
- reg = readl(reg_clk_base + CLK_RESET_CCLK_BURST);
- policy = (reg >> CLK_RESET_CCLK_BURST_POLICY_SHIFT) & 0xF;
-
- if (policy == CLK_RESET_CCLK_IDLE_POLICY)
- reg = (reg >> CLK_RESET_CCLK_IDLE_POLICY_SHIFT) & 0xF;
- else if (policy == CLK_RESET_CCLK_RUN_POLICY)
- reg = (reg >> CLK_RESET_CCLK_RUN_POLICY_SHIFT) & 0xF;
- else
- BUG();
-
- if (reg != CLK_RESET_CCLK_BURST_POLICY_PLLX) {
- /* restore PLLX settings if CPU is on different PLL */
- writel(tegra30_cpu_clk_sctx.pllx_misc,
- reg_clk_base + CLK_RESET_PLLX_MISC);
- writel(tegra30_cpu_clk_sctx.pllx_base,
- reg_clk_base + CLK_RESET_PLLX_BASE);
-
- /* wait for PLL stabilization if PLLX was enabled */
- if (tegra30_cpu_clk_sctx.pllx_base & (1 << 30))
- udelay(300);
- }
-
- /*
- * Restore original burst policy setting for calls resulting from CPU
- * LP2 in idle or system suspend.
- */
- writel(tegra30_cpu_clk_sctx.cclk_divider,
- reg_clk_base + CLK_RESET_CCLK_DIVIDER);
- writel(tegra30_cpu_clk_sctx.cpu_burst,
- reg_clk_base + CLK_RESET_CCLK_BURST);
-
- writel(tegra30_cpu_clk_sctx.clk_csite_src,
- reg_clk_base + CLK_RESET_SOURCE_CSITE);
-}
-#endif
-
-static struct tegra_cpu_car_ops tegra30_cpu_car_ops = {
- .wait_for_reset = tegra30_wait_cpu_in_reset,
- .put_in_reset = tegra30_put_cpu_in_reset,
- .out_of_reset = tegra30_cpu_out_of_reset,
- .enable_clock = tegra30_enable_cpu_clock,
- .disable_clock = tegra30_disable_cpu_clock,
-#ifdef CONFIG_PM_SLEEP
- .rail_off_ready = tegra30_cpu_rail_off_ready,
- .suspend = tegra30_cpu_clock_suspend,
- .resume = tegra30_cpu_clock_resume,
-#endif
-};
-
-void __init tegra30_cpu_car_ops_init(void)
-{
- tegra_cpu_car_ops = &tegra30_cpu_car_ops;
-}
+++ /dev/null
-/*
- * Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#ifndef __MACH_TEGRA30_CLOCK_H
-#define __MACH_TEGRA30_CLOCK_H
-
-extern struct clk_ops tegra30_clk_32k_ops;
-extern struct clk_ops tegra30_clk_m_ops;
-extern struct clk_ops tegra_clk_m_div_ops;
-extern struct clk_ops tegra_pll_ref_ops;
-extern struct clk_ops tegra30_pll_ops;
-extern struct clk_ops tegra30_pll_div_ops;
-extern struct clk_ops tegra_plld_ops;
-extern struct clk_ops tegra30_plle_ops;
-extern struct clk_ops tegra_cml_clk_ops;
-extern struct clk_ops tegra_pciex_clk_ops;
-extern struct clk_ops tegra_sync_source_ops;
-extern struct clk_ops tegra30_audio_sync_clk_ops;
-extern struct clk_ops tegra30_clk_double_ops;
-extern struct clk_ops tegra_clk_out_ops;
-extern struct clk_ops tegra30_super_ops;
-extern struct clk_ops tegra30_blink_clk_ops;
-extern struct clk_ops tegra30_twd_ops;
-extern struct clk_ops tegra30_bus_ops;
-extern struct clk_ops tegra30_periph_clk_ops;
-extern struct clk_ops tegra30_dsib_clk_ops;
-extern struct clk_ops tegra_nand_clk_ops;
-extern struct clk_ops tegra_vi_clk_ops;
-extern struct clk_ops tegra_dtv_clk_ops;
-extern struct clk_ops tegra_clk_shared_bus_ops;
-
-int tegra30_plld_clk_cfg_ex(struct clk_hw *hw,
- enum tegra_clk_ex_param p, u32 setting);
-void tegra30_periph_clk_reset(struct clk_hw *hw, bool assert);
-int tegra30_vi_clk_cfg_ex(struct clk_hw *hw,
- enum tegra_clk_ex_param p, u32 setting);
-int tegra30_nand_clk_cfg_ex(struct clk_hw *hw,
- enum tegra_clk_ex_param p, u32 setting);
-int tegra30_dtv_clk_cfg_ex(struct clk_hw *hw,
- enum tegra_clk_ex_param p, u32 setting);
-#endif
+++ /dev/null
-/*
- * arch/arm/mach-tegra/tegra30_clocks.c
- *
- * Copyright (c) 2010-2012 NVIDIA CORPORATION. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
- *
- */
-
-#include <linux/clk-private.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/list.h>
-#include <linux/spinlock.h>
-#include <linux/delay.h>
-#include <linux/err.h>
-#include <linux/io.h>
-#include <linux/clk.h>
-#include <linux/cpufreq.h>
-#include <linux/clk/tegra.h>
-
-#include "clock.h"
-#include "fuse.h"
-#include "tegra30_clocks.h"
-
-#define DEFINE_CLK_TEGRA(_name, _rate, _ops, _flags, \
- _parent_names, _parents, _parent) \
- static struct clk tegra_##_name = { \
- .hw = &tegra_##_name##_hw.hw, \
- .name = #_name, \
- .rate = _rate, \
- .ops = _ops, \
- .flags = _flags, \
- .parent_names = _parent_names, \
- .parents = _parents, \
- .num_parents = ARRAY_SIZE(_parent_names), \
- .parent = _parent, \
- };
-
-static struct clk tegra_clk_32k;
-static struct clk_tegra tegra_clk_32k_hw = {
- .hw = {
- .clk = &tegra_clk_32k,
- },
- .fixed_rate = 32768,
-};
-static struct clk tegra_clk_32k = {
- .name = "clk_32k",
- .hw = &tegra_clk_32k_hw.hw,
- .ops = &tegra30_clk_32k_ops,
- .flags = CLK_IS_ROOT,
-};
-
-static struct clk tegra_clk_m;
-static struct clk_tegra tegra_clk_m_hw = {
- .hw = {
- .clk = &tegra_clk_m,
- },
- .flags = ENABLE_ON_INIT,
- .reg = 0x1fc,
- .reg_shift = 28,
- .max_rate = 48000000,
-};
-static struct clk tegra_clk_m = {
- .name = "clk_m",
- .hw = &tegra_clk_m_hw.hw,
- .ops = &tegra30_clk_m_ops,
- .flags = CLK_IS_ROOT | CLK_IGNORE_UNUSED,
-};
-
-static const char *clk_m_div_parent_names[] = {
- "clk_m",
-};
-
-static struct clk *clk_m_div_parents[] = {
- &tegra_clk_m,
-};
-
-static struct clk tegra_clk_m_div2;
-static struct clk_tegra tegra_clk_m_div2_hw = {
- .hw = {
- .clk = &tegra_clk_m_div2,
- },
- .mul = 1,
- .div = 2,
- .max_rate = 24000000,
-};
-DEFINE_CLK_TEGRA(clk_m_div2, 0, &tegra_clk_m_div_ops, 0,
- clk_m_div_parent_names, clk_m_div_parents, &tegra_clk_m);
-
-static struct clk tegra_clk_m_div4;
-static struct clk_tegra tegra_clk_m_div4_hw = {
- .hw = {
- .clk = &tegra_clk_m_div4,
- },
- .mul = 1,
- .div = 4,
- .max_rate = 12000000,
-};
-DEFINE_CLK_TEGRA(clk_m_div4, 0, &tegra_clk_m_div_ops, 0,
- clk_m_div_parent_names, clk_m_div_parents, &tegra_clk_m);
-
-static struct clk tegra_pll_ref;
-static struct clk_tegra tegra_pll_ref_hw = {
- .hw = {
- .clk = &tegra_pll_ref,
- },
- .flags = ENABLE_ON_INIT,
- .max_rate = 26000000,
-};
-DEFINE_CLK_TEGRA(pll_ref, 0, &tegra_pll_ref_ops, 0, clk_m_div_parent_names,
- clk_m_div_parents, &tegra_clk_m);
-
-#define DEFINE_PLL(_name, _flags, _reg, _max_rate, _input_min, \
- _input_max, _cf_min, _cf_max, _vco_min, \
- _vco_max, _freq_table, _lock_delay, _ops, \
- _fixed_rate, _clk_cfg_ex, _parent) \
- static struct clk tegra_##_name; \
- static const char *_name##_parent_names[] = { \
- #_parent, \
- }; \
- static struct clk *_name##_parents[] = { \
- &tegra_##_parent, \
- }; \
- static struct clk_tegra tegra_##_name##_hw = { \
- .hw = { \
- .clk = &tegra_##_name, \
- }, \
- .flags = _flags, \
- .reg = _reg, \
- .max_rate = _max_rate, \
- .u.pll = { \
- .input_min = _input_min, \
- .input_max = _input_max, \
- .cf_min = _cf_min, \
- .cf_max = _cf_max, \
- .vco_min = _vco_min, \
- .vco_max = _vco_max, \
- .freq_table = _freq_table, \
- .lock_delay = _lock_delay, \
- .fixed_rate = _fixed_rate, \
- }, \
- .clk_cfg_ex = _clk_cfg_ex, \
- }; \
- DEFINE_CLK_TEGRA(_name, 0, &_ops, CLK_IGNORE_UNUSED, \
- _name##_parent_names, _name##_parents, \
- &tegra_##_parent);
-
-#define DEFINE_PLL_OUT(_name, _flags, _reg, _reg_shift, \
- _max_rate, _ops, _parent, _clk_flags) \
- static const char *_name##_parent_names[] = { \
- #_parent, \
- }; \
- static struct clk *_name##_parents[] = { \
- &tegra_##_parent, \
- }; \
- static struct clk tegra_##_name; \
- static struct clk_tegra tegra_##_name##_hw = { \
- .hw = { \
- .clk = &tegra_##_name, \
- }, \
- .flags = _flags, \
- .reg = _reg, \
- .max_rate = _max_rate, \
- .reg_shift = _reg_shift, \
- }; \
- DEFINE_CLK_TEGRA(_name, 0, &tegra30_pll_div_ops, \
- _clk_flags, _name##_parent_names, \
- _name##_parents, &tegra_##_parent);
-
-static struct clk_pll_freq_table tegra_pll_c_freq_table[] = {
- { 12000000, 1040000000, 520, 6, 1, 8},
- { 13000000, 1040000000, 480, 6, 1, 8},
- { 16800000, 1040000000, 495, 8, 1, 8}, /* actual: 1039.5 MHz */
- { 19200000, 1040000000, 325, 6, 1, 6},
- { 26000000, 1040000000, 520, 13, 1, 8},
-
- { 12000000, 832000000, 416, 6, 1, 8},
- { 13000000, 832000000, 832, 13, 1, 8},
- { 16800000, 832000000, 396, 8, 1, 8}, /* actual: 831.6 MHz */
- { 19200000, 832000000, 260, 6, 1, 8},
- { 26000000, 832000000, 416, 13, 1, 8},
-
- { 12000000, 624000000, 624, 12, 1, 8},
- { 13000000, 624000000, 624, 13, 1, 8},
- { 16800000, 600000000, 520, 14, 1, 8},
- { 19200000, 624000000, 520, 16, 1, 8},
- { 26000000, 624000000, 624, 26, 1, 8},
-
- { 12000000, 600000000, 600, 12, 1, 8},
- { 13000000, 600000000, 600, 13, 1, 8},
- { 16800000, 600000000, 500, 14, 1, 8},
- { 19200000, 600000000, 375, 12, 1, 6},
- { 26000000, 600000000, 600, 26, 1, 8},
-
- { 12000000, 520000000, 520, 12, 1, 8},
- { 13000000, 520000000, 520, 13, 1, 8},
- { 16800000, 520000000, 495, 16, 1, 8}, /* actual: 519.75 MHz */
- { 19200000, 520000000, 325, 12, 1, 6},
- { 26000000, 520000000, 520, 26, 1, 8},
-
- { 12000000, 416000000, 416, 12, 1, 8},
- { 13000000, 416000000, 416, 13, 1, 8},
- { 16800000, 416000000, 396, 16, 1, 8}, /* actual: 415.8 MHz */
- { 19200000, 416000000, 260, 12, 1, 6},
- { 26000000, 416000000, 416, 26, 1, 8},
- { 0, 0, 0, 0, 0, 0 },
-};
-
-DEFINE_PLL(pll_c, PLL_HAS_CPCON, 0x80, 1400000000, 2000000, 31000000, 1000000,
- 6000000, 20000000, 1400000000, tegra_pll_c_freq_table, 300,
- tegra30_pll_ops, 0, NULL, pll_ref);
-
-DEFINE_PLL_OUT(pll_c_out1, DIV_U71, 0x84, 0, 700000000,
- tegra30_pll_div_ops, pll_c, CLK_IGNORE_UNUSED);
-
-static struct clk_pll_freq_table tegra_pll_m_freq_table[] = {
- { 12000000, 666000000, 666, 12, 1, 8},
- { 13000000, 666000000, 666, 13, 1, 8},
- { 16800000, 666000000, 555, 14, 1, 8},
- { 19200000, 666000000, 555, 16, 1, 8},
- { 26000000, 666000000, 666, 26, 1, 8},
- { 12000000, 600000000, 600, 12, 1, 8},
- { 13000000, 600000000, 600, 13, 1, 8},
- { 16800000, 600000000, 500, 14, 1, 8},
- { 19200000, 600000000, 375, 12, 1, 6},
- { 26000000, 600000000, 600, 26, 1, 8},
- { 0, 0, 0, 0, 0, 0 },
-};
-
-DEFINE_PLL(pll_m, PLL_HAS_CPCON | PLLM, 0x90, 800000000, 2000000, 31000000,
- 1000000, 6000000, 20000000, 1200000000, tegra_pll_m_freq_table,
- 300, tegra30_pll_ops, 0, NULL, pll_ref);
-
-DEFINE_PLL_OUT(pll_m_out1, DIV_U71, 0x94, 0, 600000000,
- tegra30_pll_div_ops, pll_m, CLK_IGNORE_UNUSED);
-
-static struct clk_pll_freq_table tegra_pll_p_freq_table[] = {
- { 12000000, 216000000, 432, 12, 2, 8},
- { 13000000, 216000000, 432, 13, 2, 8},
- { 16800000, 216000000, 360, 14, 2, 8},
- { 19200000, 216000000, 360, 16, 2, 8},
- { 26000000, 216000000, 432, 26, 2, 8},
- { 0, 0, 0, 0, 0, 0 },
-};
-
-DEFINE_PLL(pll_p, ENABLE_ON_INIT | PLL_FIXED | PLL_HAS_CPCON, 0xa0, 432000000,
- 2000000, 31000000, 1000000, 6000000, 20000000, 1400000000,
- tegra_pll_p_freq_table, 300, tegra30_pll_ops, 408000000, NULL,
- pll_ref);
-
-DEFINE_PLL_OUT(pll_p_out1, ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, 0xa4,
- 0, 432000000, tegra30_pll_div_ops, pll_p, CLK_IGNORE_UNUSED);
-DEFINE_PLL_OUT(pll_p_out2, ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, 0xa4,
- 16, 432000000, tegra30_pll_div_ops, pll_p, CLK_IGNORE_UNUSED);
-DEFINE_PLL_OUT(pll_p_out3, ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, 0xa8,
- 0, 432000000, tegra30_pll_div_ops, pll_p, CLK_IGNORE_UNUSED);
-DEFINE_PLL_OUT(pll_p_out4, ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, 0xa8,
- 16, 432000000, tegra30_pll_div_ops, pll_p, CLK_IGNORE_UNUSED);
-
-static struct clk_pll_freq_table tegra_pll_a_freq_table[] = {
- { 9600000, 564480000, 294, 5, 1, 4},
- { 9600000, 552960000, 288, 5, 1, 4},
- { 9600000, 24000000, 5, 2, 1, 1},
-
- { 28800000, 56448000, 49, 25, 1, 1},
- { 28800000, 73728000, 64, 25, 1, 1},
- { 28800000, 24000000, 5, 6, 1, 1},
- { 0, 0, 0, 0, 0, 0 },
-};
-
-DEFINE_PLL(pll_a, PLL_HAS_CPCON, 0xb0, 700000000, 2000000, 31000000, 1000000,
- 6000000, 20000000, 1400000000, tegra_pll_a_freq_table,
- 300, tegra30_pll_ops, 0, NULL, pll_p_out1);
-
-DEFINE_PLL_OUT(pll_a_out0, DIV_U71, 0xb4, 0, 100000000, tegra30_pll_div_ops,
- pll_a, CLK_IGNORE_UNUSED);
-
-static struct clk_pll_freq_table tegra_pll_d_freq_table[] = {
- { 12000000, 216000000, 216, 12, 1, 4},
- { 13000000, 216000000, 216, 13, 1, 4},
- { 16800000, 216000000, 180, 14, 1, 4},
- { 19200000, 216000000, 180, 16, 1, 4},
- { 26000000, 216000000, 216, 26, 1, 4},
-
- { 12000000, 594000000, 594, 12, 1, 8},
- { 13000000, 594000000, 594, 13, 1, 8},
- { 16800000, 594000000, 495, 14, 1, 8},
- { 19200000, 594000000, 495, 16, 1, 8},
- { 26000000, 594000000, 594, 26, 1, 8},
-
- { 12000000, 1000000000, 1000, 12, 1, 12},
- { 13000000, 1000000000, 1000, 13, 1, 12},
- { 19200000, 1000000000, 625, 12, 1, 8},
- { 26000000, 1000000000, 1000, 26, 1, 12},
-
- { 0, 0, 0, 0, 0, 0 },
-};
-
-DEFINE_PLL(pll_d, PLL_HAS_CPCON | PLLD, 0xd0, 1000000000, 2000000, 40000000,
- 1000000, 6000000, 40000000, 1000000000, tegra_pll_d_freq_table,
- 1000, tegra30_pll_ops, 0, tegra30_plld_clk_cfg_ex, pll_ref);
-
-DEFINE_PLL_OUT(pll_d_out0, DIV_2 | PLLD, 0, 0, 500000000, tegra30_pll_div_ops,
- pll_d, CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED);
-
-DEFINE_PLL(pll_d2, PLL_HAS_CPCON | PLL_ALT_MISC_REG | PLLD, 0x4b8, 1000000000,
- 2000000, 40000000, 1000000, 6000000, 40000000, 1000000000,
- tegra_pll_d_freq_table, 1000, tegra30_pll_ops, 0, NULL,
- pll_ref);
-
-DEFINE_PLL_OUT(pll_d2_out0, DIV_2 | PLLD, 0, 0, 500000000, tegra30_pll_div_ops,
- pll_d2, CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED);
-
-static struct clk_pll_freq_table tegra_pll_u_freq_table[] = {
- { 12000000, 480000000, 960, 12, 2, 12},
- { 13000000, 480000000, 960, 13, 2, 12},
- { 16800000, 480000000, 400, 7, 2, 5},
- { 19200000, 480000000, 200, 4, 2, 3},
- { 26000000, 480000000, 960, 26, 2, 12},
- { 0, 0, 0, 0, 0, 0 },
-};
-
-DEFINE_PLL(pll_u, PLL_HAS_CPCON | PLLU, 0xc0, 480000000, 2000000, 40000000,
- 1000000, 6000000, 48000000, 960000000, tegra_pll_u_freq_table,
- 1000, tegra30_pll_ops, 0, NULL, pll_ref);
-
-static struct clk_pll_freq_table tegra_pll_x_freq_table[] = {
- /* 1.7 GHz */
- { 12000000, 1700000000, 850, 6, 1, 8},
- { 13000000, 1700000000, 915, 7, 1, 8}, /* actual: 1699.2 MHz */
- { 16800000, 1700000000, 708, 7, 1, 8}, /* actual: 1699.2 MHz */
- { 19200000, 1700000000, 885, 10, 1, 8}, /* actual: 1699.2 MHz */
- { 26000000, 1700000000, 850, 13, 1, 8},
-
- /* 1.6 GHz */
- { 12000000, 1600000000, 800, 6, 1, 8},
- { 13000000, 1600000000, 738, 6, 1, 8}, /* actual: 1599.0 MHz */
- { 16800000, 1600000000, 857, 9, 1, 8}, /* actual: 1599.7 MHz */
- { 19200000, 1600000000, 500, 6, 1, 8},
- { 26000000, 1600000000, 800, 13, 1, 8},
-
- /* 1.5 GHz */
- { 12000000, 1500000000, 750, 6, 1, 8},
- { 13000000, 1500000000, 923, 8, 1, 8}, /* actual: 1499.8 MHz */
- { 16800000, 1500000000, 625, 7, 1, 8},
- { 19200000, 1500000000, 625, 8, 1, 8},
- { 26000000, 1500000000, 750, 13, 1, 8},
-
- /* 1.4 GHz */
- { 12000000, 1400000000, 700, 6, 1, 8},
- { 13000000, 1400000000, 969, 9, 1, 8}, /* actual: 1399.7 MHz */
- { 16800000, 1400000000, 1000, 12, 1, 8},
- { 19200000, 1400000000, 875, 12, 1, 8},
- { 26000000, 1400000000, 700, 13, 1, 8},
-
- /* 1.3 GHz */
- { 12000000, 1300000000, 975, 9, 1, 8},
- { 13000000, 1300000000, 1000, 10, 1, 8},
- { 16800000, 1300000000, 928, 12, 1, 8}, /* actual: 1299.2 MHz */
- { 19200000, 1300000000, 812, 12, 1, 8}, /* actual: 1299.2 MHz */
- { 26000000, 1300000000, 650, 13, 1, 8},
-
- /* 1.2 GHz */
- { 12000000, 1200000000, 1000, 10, 1, 8},
- { 13000000, 1200000000, 923, 10, 1, 8}, /* actual: 1199.9 MHz */
- { 16800000, 1200000000, 1000, 14, 1, 8},
- { 19200000, 1200000000, 1000, 16, 1, 8},
- { 26000000, 1200000000, 600, 13, 1, 8},
-
- /* 1.1 GHz */
- { 12000000, 1100000000, 825, 9, 1, 8},
- { 13000000, 1100000000, 846, 10, 1, 8}, /* actual: 1099.8 MHz */
- { 16800000, 1100000000, 982, 15, 1, 8}, /* actual: 1099.8 MHz */
- { 19200000, 1100000000, 859, 15, 1, 8}, /* actual: 1099.5 MHz */
- { 26000000, 1100000000, 550, 13, 1, 8},
-
- /* 1 GHz */
- { 12000000, 1000000000, 1000, 12, 1, 8},
- { 13000000, 1000000000, 1000, 13, 1, 8},
- { 16800000, 1000000000, 833, 14, 1, 8}, /* actual: 999.6 MHz */
- { 19200000, 1000000000, 625, 12, 1, 8},
- { 26000000, 1000000000, 1000, 26, 1, 8},
-
- { 0, 0, 0, 0, 0, 0 },
-};
-
-DEFINE_PLL(pll_x, PLL_HAS_CPCON | PLL_ALT_MISC_REG | PLLX, 0xe0, 1700000000,
- 2000000, 31000000, 1000000, 6000000, 20000000, 1700000000,
- tegra_pll_x_freq_table, 300, tegra30_pll_ops, 0, NULL, pll_ref);
-
-DEFINE_PLL_OUT(pll_x_out0, DIV_2 | PLLX, 0, 0, 850000000, tegra30_pll_div_ops,
- pll_x, CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED);
-
-static struct clk_pll_freq_table tegra_pll_e_freq_table[] = {
- /* PLLE special case: use cpcon field to store cml divider value */
- { 12000000, 100000000, 150, 1, 18, 11},
- { 216000000, 100000000, 200, 18, 24, 13},
- { 0, 0, 0, 0, 0, 0 },
-};
-
-DEFINE_PLL(pll_e, PLL_ALT_MISC_REG, 0xe8, 100000000, 2000000, 216000000,
- 12000000, 12000000, 1200000000, 2400000000U,
- tegra_pll_e_freq_table, 300, tegra30_plle_ops, 100000000, NULL,
- pll_ref);
-
-static const char *mux_plle[] = {
- "pll_e",
-};
-
-static struct clk *mux_plle_p[] = {
- &tegra_pll_e,
-};
-
-static struct clk tegra_cml0;
-static struct clk_tegra tegra_cml0_hw = {
- .hw = {
- .clk = &tegra_cml0,
- },
- .reg = 0x48c,
- .fixed_rate = 100000000,
- .u.periph = {
- .clk_num = 0,
- },
-};
-DEFINE_CLK_TEGRA(cml0, 0, &tegra_cml_clk_ops, 0, mux_plle,
- mux_plle_p, &tegra_pll_e);
-
-static struct clk tegra_cml1;
-static struct clk_tegra tegra_cml1_hw = {
- .hw = {
- .clk = &tegra_cml1,
- },
- .reg = 0x48c,
- .fixed_rate = 100000000,
- .u.periph = {
- .clk_num = 1,
- },
-};
-DEFINE_CLK_TEGRA(cml1, 0, &tegra_cml_clk_ops, 0, mux_plle,
- mux_plle_p, &tegra_pll_e);
-
-static struct clk tegra_pciex;
-static struct clk_tegra tegra_pciex_hw = {
- .hw = {
- .clk = &tegra_pciex,
- },
- .reg = 0x48c,
- .fixed_rate = 100000000,
- .reset = tegra30_periph_clk_reset,
- .u.periph = {
- .clk_num = 74,
- },
-};
-DEFINE_CLK_TEGRA(pciex, 0, &tegra_pciex_clk_ops, 0, mux_plle,
- mux_plle_p, &tegra_pll_e);
-
-#define SYNC_SOURCE(_name) \
- static struct clk tegra_##_name##_sync; \
- static struct clk_tegra tegra_##_name##_sync_hw = { \
- .hw = { \
- .clk = &tegra_##_name##_sync, \
- }, \
- .max_rate = 24000000, \
- .fixed_rate = 24000000, \
- }; \
- static struct clk tegra_##_name##_sync = { \
- .name = #_name "_sync", \
- .hw = &tegra_##_name##_sync_hw.hw, \
- .ops = &tegra_sync_source_ops, \
- .flags = CLK_IS_ROOT, \
- };
-
-SYNC_SOURCE(spdif_in);
-SYNC_SOURCE(i2s0);
-SYNC_SOURCE(i2s1);
-SYNC_SOURCE(i2s2);
-SYNC_SOURCE(i2s3);
-SYNC_SOURCE(i2s4);
-SYNC_SOURCE(vimclk);
-
-static struct clk *tegra_sync_source_list[] = {
- &tegra_spdif_in_sync,
- &tegra_i2s0_sync,
- &tegra_i2s1_sync,
- &tegra_i2s2_sync,
- &tegra_i2s3_sync,
- &tegra_i2s4_sync,
- &tegra_vimclk_sync,
-};
-
-static const char *mux_audio_sync_clk[] = {
- "spdif_in_sync",
- "i2s0_sync",
- "i2s1_sync",
- "i2s2_sync",
- "i2s3_sync",
- "i2s4_sync",
- "vimclk_sync",
-};
-
-#define AUDIO_SYNC_CLK(_name, _index) \
- static struct clk tegra_##_name; \
- static struct clk_tegra tegra_##_name##_hw = { \
- .hw = { \
- .clk = &tegra_##_name, \
- }, \
- .max_rate = 24000000, \
- .reg = 0x4A0 + (_index) * 4, \
- }; \
- static struct clk tegra_##_name = { \
- .name = #_name, \
- .ops = &tegra30_audio_sync_clk_ops, \
- .hw = &tegra_##_name##_hw.hw, \
- .parent_names = mux_audio_sync_clk, \
- .parents = tegra_sync_source_list, \
- .num_parents = ARRAY_SIZE(mux_audio_sync_clk), \
- };
-
-AUDIO_SYNC_CLK(audio0, 0);
-AUDIO_SYNC_CLK(audio1, 1);
-AUDIO_SYNC_CLK(audio2, 2);
-AUDIO_SYNC_CLK(audio3, 3);
-AUDIO_SYNC_CLK(audio4, 4);
-AUDIO_SYNC_CLK(audio5, 5);
-
-static struct clk *tegra_clk_audio_list[] = {
- &tegra_audio0,
- &tegra_audio1,
- &tegra_audio2,
- &tegra_audio3,
- &tegra_audio4,
- &tegra_audio5, /* SPDIF */
-};
-
-#define AUDIO_SYNC_2X_CLK(_name, _index) \
- static const char *_name##_parent_names[] = { \
- "tegra_" #_name, \
- }; \
- static struct clk *_name##_parents[] = { \
- &tegra_##_name, \
- }; \
- static struct clk tegra_##_name##_2x; \
- static struct clk_tegra tegra_##_name##_2x_hw = { \
- .hw = { \
- .clk = &tegra_##_name##_2x, \
- }, \
- .flags = PERIPH_NO_RESET, \
- .max_rate = 48000000, \
- .reg = 0x49C, \
- .reg_shift = 24 + (_index), \
- .u.periph = { \
- .clk_num = 113 + (_index), \
- }, \
- }; \
- static struct clk tegra_##_name##_2x = { \
- .name = #_name "_2x", \
- .ops = &tegra30_clk_double_ops, \
- .hw = &tegra_##_name##_2x_hw.hw, \
- .parent_names = _name##_parent_names, \
- .parents = _name##_parents, \
- .parent = &tegra_##_name, \
- .num_parents = 1, \
- };
-
-AUDIO_SYNC_2X_CLK(audio0, 0);
-AUDIO_SYNC_2X_CLK(audio1, 1);
-AUDIO_SYNC_2X_CLK(audio2, 2);
-AUDIO_SYNC_2X_CLK(audio3, 3);
-AUDIO_SYNC_2X_CLK(audio4, 4);
-AUDIO_SYNC_2X_CLK(audio5, 5); /* SPDIF */
-
-static struct clk *tegra_clk_audio_2x_list[] = {
- &tegra_audio0_2x,
- &tegra_audio1_2x,
- &tegra_audio2_2x,
- &tegra_audio3_2x,
- &tegra_audio4_2x,
- &tegra_audio5_2x, /* SPDIF */
-};
-
-#define MUX_I2S_SPDIF(_id) \
-static const char *mux_pllaout0_##_id##_2x_pllp_clkm[] = { \
- "pll_a_out0", \
- #_id "_2x", \
- "pll_p", \
- "clk_m", \
-}; \
-static struct clk *mux_pllaout0_##_id##_2x_pllp_clkm_p[] = { \
- &tegra_pll_a_out0, \
- &tegra_##_id##_2x, \
- &tegra_pll_p, \
- &tegra_clk_m, \
-};
-
-MUX_I2S_SPDIF(audio0);
-MUX_I2S_SPDIF(audio1);
-MUX_I2S_SPDIF(audio2);
-MUX_I2S_SPDIF(audio3);
-MUX_I2S_SPDIF(audio4);
-MUX_I2S_SPDIF(audio5); /* SPDIF */
-
-static struct clk tegra_extern1;
-static struct clk tegra_extern2;
-static struct clk tegra_extern3;
-
-/* External clock outputs (through PMC) */
-#define MUX_EXTERN_OUT(_id) \
-static const char *mux_clkm_clkm2_clkm4_extern##_id[] = { \
- "clk_m", \
- "clk_m_div2", \
- "clk_m_div4", \
- "extern" #_id, \
-}; \
-static struct clk *mux_clkm_clkm2_clkm4_extern##_id##_p[] = { \
- &tegra_clk_m, \
- &tegra_clk_m_div2, \
- &tegra_clk_m_div4, \
- &tegra_extern##_id, \
-};
-
-MUX_EXTERN_OUT(1);
-MUX_EXTERN_OUT(2);
-MUX_EXTERN_OUT(3);
-
-#define CLK_OUT_CLK(_name, _index) \
- static struct clk tegra_##_name; \
- static struct clk_tegra tegra_##_name##_hw = { \
- .hw = { \
- .clk = &tegra_##_name, \
- }, \
- .lookup = { \
- .dev_id = #_name, \
- .con_id = "extern" #_index, \
- }, \
- .flags = MUX_CLK_OUT, \
- .fixed_rate = 216000000, \
- .reg = 0x1a8, \
- .u.periph = { \
- .clk_num = (_index - 1) * 8 + 2, \
- }, \
- }; \
- static struct clk tegra_##_name = { \
- .name = #_name, \
- .ops = &tegra_clk_out_ops, \
- .hw = &tegra_##_name##_hw.hw, \
- .parent_names = mux_clkm_clkm2_clkm4_extern##_index, \
- .parents = mux_clkm_clkm2_clkm4_extern##_index##_p, \
- .num_parents = ARRAY_SIZE(mux_clkm_clkm2_clkm4_extern##_index),\
- };
-
-CLK_OUT_CLK(clk_out_1, 1);
-CLK_OUT_CLK(clk_out_2, 2);
-CLK_OUT_CLK(clk_out_3, 3);
-
-static struct clk *tegra_clk_out_list[] = {
- &tegra_clk_out_1,
- &tegra_clk_out_2,
- &tegra_clk_out_3,
-};
-
-static const char *mux_sclk[] = {
- "clk_m",
- "pll_c_out1",
- "pll_p_out4",
- "pll_p_out3",
- "pll_p_out2",
- "dummy",
- "clk_32k",
- "pll_m_out1",
-};
-
-static struct clk *mux_sclk_p[] = {
- &tegra_clk_m,
- &tegra_pll_c_out1,
- &tegra_pll_p_out4,
- &tegra_pll_p_out3,
- &tegra_pll_p_out2,
- NULL,
- &tegra_clk_32k,
- &tegra_pll_m_out1,
-};
-
-static struct clk tegra_clk_sclk;
-static struct clk_tegra tegra_clk_sclk_hw = {
- .hw = {
- .clk = &tegra_clk_sclk,
- },
- .reg = 0x28,
- .max_rate = 334000000,
- .min_rate = 40000000,
-};
-
-static struct clk tegra_clk_sclk = {
- .name = "sclk",
- .ops = &tegra30_super_ops,
- .hw = &tegra_clk_sclk_hw.hw,
- .parent_names = mux_sclk,
- .parents = mux_sclk_p,
- .num_parents = ARRAY_SIZE(mux_sclk),
-};
-
-static const char *tegra_hclk_parent_names[] = {
- "tegra_sclk",
-};
-
-static struct clk *tegra_hclk_parents[] = {
- &tegra_clk_sclk,
-};
-
-static struct clk tegra_hclk;
-static struct clk_tegra tegra_hclk_hw = {
- .hw = {
- .clk = &tegra_hclk,
- },
- .flags = DIV_BUS,
- .reg = 0x30,
- .reg_shift = 4,
- .max_rate = 378000000,
- .min_rate = 12000000,
-};
-DEFINE_CLK_TEGRA(hclk, 0, &tegra30_bus_ops, 0, tegra_hclk_parent_names,
- tegra_hclk_parents, &tegra_clk_sclk);
-
-static const char *tegra_pclk_parent_names[] = {
- "tegra_hclk",
-};
-
-static struct clk *tegra_pclk_parents[] = {
- &tegra_hclk,
-};
-
-static struct clk tegra_pclk;
-static struct clk_tegra tegra_pclk_hw = {
- .hw = {
- .clk = &tegra_pclk,
- },
- .flags = DIV_BUS,
- .reg = 0x30,
- .reg_shift = 0,
- .max_rate = 167000000,
- .min_rate = 12000000,
-};
-DEFINE_CLK_TEGRA(pclk, 0, &tegra30_bus_ops, 0, tegra_pclk_parent_names,
- tegra_pclk_parents, &tegra_hclk);
-
-static const char *mux_blink[] = {
- "clk_32k",
-};
-
-static struct clk *mux_blink_p[] = {
- &tegra_clk_32k,
-};
-
-static struct clk tegra_clk_blink;
-static struct clk_tegra tegra_clk_blink_hw = {
- .hw = {
- .clk = &tegra_clk_blink,
- },
- .reg = 0x40,
- .max_rate = 32768,
-};
-static struct clk tegra_clk_blink = {
- .name = "blink",
- .ops = &tegra30_blink_clk_ops,
- .hw = &tegra_clk_blink_hw.hw,
- .parent = &tegra_clk_32k,
- .parent_names = mux_blink,
- .parents = mux_blink_p,
- .num_parents = ARRAY_SIZE(mux_blink),
-};
-
-static const char *mux_pllm_pllc_pllp_plla[] = {
- "pll_m",
- "pll_c",
- "pll_p",
- "pll_a_out0",
-};
-
-static const char *mux_pllp_pllc_pllm_clkm[] = {
- "pll_p",
- "pll_c",
- "pll_m",
- "clk_m",
-};
-
-static const char *mux_pllp_clkm[] = {
- "pll_p",
- "dummy",
- "dummy",
- "clk_m",
-};
-
-static const char *mux_pllp_plld_pllc_clkm[] = {
- "pll_p",
- "pll_d_out0",
- "pll_c",
- "clk_m",
-};
-
-static const char *mux_pllp_pllm_plld_plla_pllc_plld2_clkm[] = {
- "pll_p",
- "pll_m",
- "pll_d_out0",
- "pll_a_out0",
- "pll_c",
- "pll_d2_out0",
- "clk_m",
-};
-
-static const char *mux_plla_pllc_pllp_clkm[] = {
- "pll_a_out0",
- "dummy",
- "pll_p",
- "clk_m"
-};
-
-static const char *mux_pllp_pllc_clk32_clkm[] = {
- "pll_p",
- "pll_c",
- "clk_32k",
- "clk_m",
-};
-
-static const char *mux_pllp_pllc_clkm_clk32[] = {
- "pll_p",
- "pll_c",
- "clk_m",
- "clk_32k",
-};
-
-static const char *mux_pllp_pllc_pllm[] = {
- "pll_p",
- "pll_c",
- "pll_m",
-};
-
-static const char *mux_clk_m[] = {
- "clk_m",
-};
-
-static const char *mux_pllp_out3[] = {
- "pll_p_out3",
-};
-
-static const char *mux_plld_out0[] = {
- "pll_d_out0",
-};
-
-static const char *mux_plld_out0_plld2_out0[] = {
- "pll_d_out0",
- "pll_d2_out0",
-};
-
-static const char *mux_clk_32k[] = {
- "clk_32k",
-};
-
-static const char *mux_plla_clk32_pllp_clkm_plle[] = {
- "pll_a_out0",
- "clk_32k",
- "pll_p",
- "clk_m",
- "pll_e",
-};
-
-static const char *mux_cclk_g[] = {
- "clk_m",
- "pll_c",
- "clk_32k",
- "pll_m",
- "pll_p",
- "pll_p_out4",
- "pll_p_out3",
- "dummy",
- "pll_x",
-};
-
-static struct clk *mux_pllm_pllc_pllp_plla_p[] = {
- &tegra_pll_m,
- &tegra_pll_c,
- &tegra_pll_p,
- &tegra_pll_a_out0,
-};
-
-static struct clk *mux_pllp_pllc_pllm_clkm_p[] = {
- &tegra_pll_p,
- &tegra_pll_c,
- &tegra_pll_m,
- &tegra_clk_m,
-};
-
-static struct clk *mux_pllp_clkm_p[] = {
- &tegra_pll_p,
- NULL,
- NULL,
- &tegra_clk_m,
-};
-
-static struct clk *mux_pllp_plld_pllc_clkm_p[] = {
- &tegra_pll_p,
- &tegra_pll_d_out0,
- &tegra_pll_c,
- &tegra_clk_m,
-};
-
-static struct clk *mux_pllp_pllm_plld_plla_pllc_plld2_clkm_p[] = {
- &tegra_pll_p,
- &tegra_pll_m,
- &tegra_pll_d_out0,
- &tegra_pll_a_out0,
- &tegra_pll_c,
- &tegra_pll_d2_out0,
- &tegra_clk_m,
-};
-
-static struct clk *mux_plla_pllc_pllp_clkm_p[] = {
- &tegra_pll_a_out0,
- NULL,
- &tegra_pll_p,
- &tegra_clk_m,
-};
-
-static struct clk *mux_pllp_pllc_clk32_clkm_p[] = {
- &tegra_pll_p,
- &tegra_pll_c,
- &tegra_clk_32k,
- &tegra_clk_m,
-};
-
-static struct clk *mux_pllp_pllc_clkm_clk32_p[] = {
- &tegra_pll_p,
- &tegra_pll_c,
- &tegra_clk_m,
- &tegra_clk_32k,
-};
-
-static struct clk *mux_pllp_pllc_pllm_p[] = {
- &tegra_pll_p,
- &tegra_pll_c,
- &tegra_pll_m,
-};
-
-static struct clk *mux_clk_m_p[] = {
- &tegra_clk_m,
-};
-
-static struct clk *mux_pllp_out3_p[] = {
- &tegra_pll_p_out3,
-};
-
-static struct clk *mux_plld_out0_p[] = {
- &tegra_pll_d_out0,
-};
-
-static struct clk *mux_plld_out0_plld2_out0_p[] = {
- &tegra_pll_d_out0,
- &tegra_pll_d2_out0,
-};
-
-static struct clk *mux_clk_32k_p[] = {
- &tegra_clk_32k,
-};
-
-static struct clk *mux_plla_clk32_pllp_clkm_plle_p[] = {
- &tegra_pll_a_out0,
- &tegra_clk_32k,
- &tegra_pll_p,
- &tegra_clk_m,
- &tegra_pll_e,
-};
-
-static struct clk *mux_cclk_g_p[] = {
- &tegra_clk_m,
- &tegra_pll_c,
- &tegra_clk_32k,
- &tegra_pll_m,
- &tegra_pll_p,
- &tegra_pll_p_out4,
- &tegra_pll_p_out3,
- NULL,
- &tegra_pll_x,
-};
-
-static struct clk tegra_clk_cclk_g;
-static struct clk_tegra tegra_clk_cclk_g_hw = {
- .hw = {
- .clk = &tegra_clk_cclk_g,
- },
- .flags = DIV_U71 | DIV_U71_INT,
- .reg = 0x368,
- .max_rate = 1700000000,
-};
-static struct clk tegra_clk_cclk_g = {
- .name = "cclk_g",
- .ops = &tegra30_super_ops,
- .hw = &tegra_clk_cclk_g_hw.hw,
- .parent_names = mux_cclk_g,
- .parents = mux_cclk_g_p,
- .num_parents = ARRAY_SIZE(mux_cclk_g),
-};
-
-static const char *mux_twd[] = {
- "cclk_g",
-};
-
-static struct clk *mux_twd_p[] = {
- &tegra_clk_cclk_g,
-};
-
-static struct clk tegra30_clk_twd;
-static struct clk_tegra tegra30_clk_twd_hw = {
- .hw = {
- .clk = &tegra30_clk_twd,
- },
- .max_rate = 1400000000,
- .mul = 1,
- .div = 2,
-};
-
-static struct clk tegra30_clk_twd = {
- .name = "twd",
- .ops = &tegra30_twd_ops,
- .hw = &tegra30_clk_twd_hw.hw,
- .parent = &tegra_clk_cclk_g,
- .parent_names = mux_twd,
- .parents = mux_twd_p,
- .num_parents = ARRAY_SIZE(mux_twd),
-};
-
-#define PERIPH_CLK(_name, _dev, _con, _clk_num, _reg, \
- _max, _inputs, _flags) \
- static struct clk tegra_##_name; \
- static struct clk_tegra tegra_##_name##_hw = { \
- .hw = { \
- .clk = &tegra_##_name, \
- }, \
- .lookup = { \
- .dev_id = _dev, \
- .con_id = _con, \
- }, \
- .reg = _reg, \
- .flags = _flags, \
- .max_rate = _max, \
- .u.periph = { \
- .clk_num = _clk_num, \
- }, \
- .reset = &tegra30_periph_clk_reset, \
- }; \
- static struct clk tegra_##_name = { \
- .name = #_name, \
- .ops = &tegra30_periph_clk_ops, \
- .hw = &tegra_##_name##_hw.hw, \
- .parent_names = _inputs, \
- .parents = _inputs##_p, \
- .num_parents = ARRAY_SIZE(_inputs), \
- };
-
-PERIPH_CLK(apbdma, "tegra-apbdma", NULL, 34, 0, 26000000, mux_clk_m, 0);
-PERIPH_CLK(rtc, "rtc-tegra", NULL, 4, 0, 32768, mux_clk_32k, PERIPH_NO_RESET | PERIPH_ON_APB);
-PERIPH_CLK(kbc, "tegra-kbc", NULL, 36, 0, 32768, mux_clk_32k, PERIPH_NO_RESET | PERIPH_ON_APB);
-PERIPH_CLK(timer, "timer", NULL, 5, 0, 26000000, mux_clk_m, 0);
-PERIPH_CLK(kfuse, "kfuse-tegra", NULL, 40, 0, 26000000, mux_clk_m, 0);
-PERIPH_CLK(fuse, "fuse-tegra", "fuse", 39, 0, 26000000, mux_clk_m, PERIPH_ON_APB);
-PERIPH_CLK(fuse_burn, "fuse-tegra", "fuse_burn", 39, 0, 26000000, mux_clk_m, PERIPH_ON_APB);
-PERIPH_CLK(apbif, "tegra30-ahub", "apbif", 107, 0, 26000000, mux_clk_m, 0);
-PERIPH_CLK(i2s0, "tegra30-i2s.0", NULL, 30, 0x1d8, 26000000, mux_pllaout0_audio0_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB);
-PERIPH_CLK(i2s1, "tegra30-i2s.1", NULL, 11, 0x100, 26000000, mux_pllaout0_audio1_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB);
-PERIPH_CLK(i2s2, "tegra30-i2s.2", NULL, 18, 0x104, 26000000, mux_pllaout0_audio2_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB);
-PERIPH_CLK(i2s3, "tegra30-i2s.3", NULL, 101, 0x3bc, 26000000, mux_pllaout0_audio3_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB);
-PERIPH_CLK(i2s4, "tegra30-i2s.4", NULL, 102, 0x3c0, 26000000, mux_pllaout0_audio4_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB);
-PERIPH_CLK(spdif_out, "tegra30-spdif", "spdif_out", 10, 0x108, 100000000, mux_pllaout0_audio5_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB);
-PERIPH_CLK(spdif_in, "tegra30-spdif", "spdif_in", 10, 0x10c, 100000000, mux_pllp_pllc_pllm, MUX | DIV_U71 | PERIPH_ON_APB);
-PERIPH_CLK(pwm, "tegra-pwm", NULL, 17, 0x110, 432000000, mux_pllp_pllc_clk32_clkm, MUX | MUX_PWM | DIV_U71 | PERIPH_ON_APB);
-PERIPH_CLK(d_audio, "tegra30-ahub", "d_audio", 106, 0x3d0, 48000000, mux_plla_pllc_pllp_clkm, MUX | DIV_U71);
-PERIPH_CLK(dam0, "tegra30-dam.0", NULL, 108, 0x3d8, 48000000, mux_plla_pllc_pllp_clkm, MUX | DIV_U71);
-PERIPH_CLK(dam1, "tegra30-dam.1", NULL, 109, 0x3dc, 48000000, mux_plla_pllc_pllp_clkm, MUX | DIV_U71);
-PERIPH_CLK(dam2, "tegra30-dam.2", NULL, 110, 0x3e0, 48000000, mux_plla_pllc_pllp_clkm, MUX | DIV_U71);
-PERIPH_CLK(hda, "tegra30-hda", "hda", 125, 0x428, 108000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71);
-PERIPH_CLK(hda2codec_2x, "tegra30-hda", "hda2codec", 111, 0x3e4, 48000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71);
-PERIPH_CLK(hda2hdmi, "tegra30-hda", "hda2hdmi", 128, 0, 48000000, mux_clk_m, 0);
-PERIPH_CLK(sbc1, "spi_tegra.0", NULL, 41, 0x134, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB);
-PERIPH_CLK(sbc2, "spi_tegra.1", NULL, 44, 0x118, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB);
-PERIPH_CLK(sbc3, "spi_tegra.2", NULL, 46, 0x11c, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB);
-PERIPH_CLK(sbc4, "spi_tegra.3", NULL, 68, 0x1b4, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB);
-PERIPH_CLK(sbc5, "spi_tegra.4", NULL, 104, 0x3c8, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB);
-PERIPH_CLK(sbc6, "spi_tegra.5", NULL, 105, 0x3cc, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB);
-PERIPH_CLK(sata_oob, "tegra_sata_oob", NULL, 123, 0x420, 216000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71);
-PERIPH_CLK(sata, "tegra_sata", NULL, 124, 0x424, 216000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71);
-PERIPH_CLK(sata_cold, "tegra_sata_cold", NULL, 129, 0, 48000000, mux_clk_m, 0);
-PERIPH_CLK(ndflash, "tegra_nand", NULL, 13, 0x160, 240000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71);
-PERIPH_CLK(ndspeed, "tegra_nand_speed", NULL, 80, 0x3f8, 240000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71);
-PERIPH_CLK(vfir, "vfir", NULL, 7, 0x168, 72000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB);
-PERIPH_CLK(sdmmc1, "sdhci-tegra.0", NULL, 14, 0x150, 208000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); /* scales with voltage */
-PERIPH_CLK(sdmmc2, "sdhci-tegra.1", NULL, 9, 0x154, 104000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); /* scales with voltage */
-PERIPH_CLK(sdmmc3, "sdhci-tegra.2", NULL, 69, 0x1bc, 208000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); /* scales with voltage */
-PERIPH_CLK(sdmmc4, "sdhci-tegra.3", NULL, 15, 0x164, 104000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); /* scales with voltage */
-PERIPH_CLK(vcp, "tegra-avp", "vcp", 29, 0, 250000000, mux_clk_m, 0);
-PERIPH_CLK(bsea, "tegra-avp", "bsea", 62, 0, 250000000, mux_clk_m, 0);
-PERIPH_CLK(bsev, "tegra-aes", "bsev", 63, 0, 250000000, mux_clk_m, 0);
-PERIPH_CLK(vde, "vde", NULL, 61, 0x1c8, 520000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_INT);
-PERIPH_CLK(csite, "csite", NULL, 73, 0x1d4, 144000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); /* max rate ??? */
-PERIPH_CLK(la, "la", NULL, 76, 0x1f8, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71);
-PERIPH_CLK(owr, "tegra_w1", NULL, 71, 0x1cc, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB);
-PERIPH_CLK(nor, "nor", NULL, 42, 0x1d0, 127000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); /* requires min voltage */
-PERIPH_CLK(mipi, "mipi", NULL, 50, 0x174, 60000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB); /* scales with voltage */
-PERIPH_CLK(i2c1, "tegra-i2c.0", "div-clk", 12, 0x124, 26000000, mux_pllp_clkm, MUX | DIV_U16 | PERIPH_ON_APB);
-PERIPH_CLK(i2c2, "tegra-i2c.1", "div-clk", 54, 0x198, 26000000, mux_pllp_clkm, MUX | DIV_U16 | PERIPH_ON_APB);
-PERIPH_CLK(i2c3, "tegra-i2c.2", "div-clk", 67, 0x1b8, 26000000, mux_pllp_clkm, MUX | DIV_U16 | PERIPH_ON_APB);
-PERIPH_CLK(i2c4, "tegra-i2c.3", "div-clk", 103, 0x3c4, 26000000, mux_pllp_clkm, MUX | DIV_U16 | PERIPH_ON_APB);
-PERIPH_CLK(i2c5, "tegra-i2c.4", "div-clk", 47, 0x128, 26000000, mux_pllp_clkm, MUX | DIV_U16 | PERIPH_ON_APB);
-PERIPH_CLK(uarta, "tegra-uart.0", NULL, 6, 0x178, 800000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB);
-PERIPH_CLK(uartb, "tegra-uart.1", NULL, 7, 0x17c, 800000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB);
-PERIPH_CLK(uartc, "tegra-uart.2", NULL, 55, 0x1a0, 800000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB);
-PERIPH_CLK(uartd, "tegra-uart.3", NULL, 65, 0x1c0, 800000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB);
-PERIPH_CLK(uarte, "tegra-uart.4", NULL, 66, 0x1c4, 800000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB);
-PERIPH_CLK(vi, "tegra_camera", "vi", 20, 0x148, 425000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT);
-PERIPH_CLK(3d, "3d", NULL, 24, 0x158, 520000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT | DIV_U71_IDLE | PERIPH_MANUAL_RESET);
-PERIPH_CLK(3d2, "3d2", NULL, 98, 0x3b0, 520000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT | DIV_U71_IDLE | PERIPH_MANUAL_RESET);
-PERIPH_CLK(2d, "2d", NULL, 21, 0x15c, 520000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT | DIV_U71_IDLE);
-PERIPH_CLK(vi_sensor, "tegra_camera", "vi_sensor", 20, 0x1a8, 150000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | PERIPH_NO_RESET);
-PERIPH_CLK(epp, "epp", NULL, 19, 0x16c, 520000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT);
-PERIPH_CLK(mpe, "mpe", NULL, 60, 0x170, 520000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT);
-PERIPH_CLK(host1x, "host1x", NULL, 28, 0x180, 260000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT);
-PERIPH_CLK(cve, "cve", NULL, 49, 0x140, 250000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71); /* requires min voltage */
-PERIPH_CLK(tvo, "tvo", NULL, 49, 0x188, 250000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71); /* requires min voltage */
-PERIPH_CLK(dtv, "dtv", NULL, 79, 0x1dc, 250000000, mux_clk_m, 0);
-PERIPH_CLK(hdmi, "hdmi", NULL, 51, 0x18c, 148500000, mux_pllp_pllm_plld_plla_pllc_plld2_clkm, MUX | MUX8 | DIV_U71);
-PERIPH_CLK(tvdac, "tvdac", NULL, 53, 0x194, 220000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71); /* requires min voltage */
-PERIPH_CLK(disp1, "tegradc.0", NULL, 27, 0x138, 600000000, mux_pllp_pllm_plld_plla_pllc_plld2_clkm, MUX | MUX8);
-PERIPH_CLK(disp2, "tegradc.1", NULL, 26, 0x13c, 600000000, mux_pllp_pllm_plld_plla_pllc_plld2_clkm, MUX | MUX8);
-PERIPH_CLK(usbd, "fsl-tegra-udc", NULL, 22, 0, 480000000, mux_clk_m, 0); /* requires min voltage */
-PERIPH_CLK(usb2, "tegra-ehci.1", NULL, 58, 0, 480000000, mux_clk_m, 0); /* requires min voltage */
-PERIPH_CLK(usb3, "tegra-ehci.2", NULL, 59, 0, 480000000, mux_clk_m, 0); /* requires min voltage */
-PERIPH_CLK(dsia, "tegradc.0", "dsia", 48, 0, 500000000, mux_plld_out0, 0);
-PERIPH_CLK(csi, "tegra_camera", "csi", 52, 0, 102000000, mux_pllp_out3, 0);
-PERIPH_CLK(isp, "tegra_camera", "isp", 23, 0, 150000000, mux_clk_m, 0); /* same frequency as VI */
-PERIPH_CLK(csus, "tegra_camera", "csus", 92, 0, 150000000, mux_clk_m, PERIPH_NO_RESET);
-PERIPH_CLK(tsensor, "tegra-tsensor", NULL, 100, 0x3b8, 216000000, mux_pllp_pllc_clkm_clk32, MUX | DIV_U71);
-PERIPH_CLK(actmon, "actmon", NULL, 119, 0x3e8, 216000000, mux_pllp_pllc_clk32_clkm, MUX | DIV_U71);
-PERIPH_CLK(extern1, "extern1", NULL, 120, 0x3ec, 216000000, mux_plla_clk32_pllp_clkm_plle, MUX | MUX8 | DIV_U71);
-PERIPH_CLK(extern2, "extern2", NULL, 121, 0x3f0, 216000000, mux_plla_clk32_pllp_clkm_plle, MUX | MUX8 | DIV_U71);
-PERIPH_CLK(extern3, "extern3", NULL, 122, 0x3f4, 216000000, mux_plla_clk32_pllp_clkm_plle, MUX | MUX8 | DIV_U71);
-PERIPH_CLK(i2cslow, "i2cslow", NULL, 81, 0x3fc, 26000000, mux_pllp_pllc_clk32_clkm, MUX | DIV_U71 | PERIPH_ON_APB);
-PERIPH_CLK(pcie, "tegra-pcie", "pcie", 70, 0, 250000000, mux_clk_m, 0);
-PERIPH_CLK(afi, "tegra-pcie", "afi", 72, 0, 250000000, mux_clk_m, 0);
-PERIPH_CLK(se, "se", NULL, 127, 0x42c, 520000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_INT);
-
-static struct clk tegra_dsib;
-static struct clk_tegra tegra_dsib_hw = {
- .hw = {
- .clk = &tegra_dsib,
- },
- .lookup = {
- .dev_id = "tegradc.1",
- .con_id = "dsib",
- },
- .reg = 0xd0,
- .flags = MUX | PLLD,
- .max_rate = 500000000,
- .u.periph = {
- .clk_num = 82,
- },
- .reset = &tegra30_periph_clk_reset,
-};
-static struct clk tegra_dsib = {
- .name = "dsib",
- .ops = &tegra30_dsib_clk_ops,
- .hw = &tegra_dsib_hw.hw,
- .parent_names = mux_plld_out0_plld2_out0,
- .parents = mux_plld_out0_plld2_out0_p,
- .num_parents = ARRAY_SIZE(mux_plld_out0_plld2_out0),
-};
-
-static struct clk *tegra_list_clks[] = {
- &tegra_apbdma,
- &tegra_rtc,
- &tegra_kbc,
- &tegra_timer,
- &tegra_kfuse,
- &tegra_fuse,
- &tegra_fuse_burn,
- &tegra_apbif,
- &tegra_i2s0,
- &tegra_i2s1,
- &tegra_i2s2,
- &tegra_i2s3,
- &tegra_i2s4,
- &tegra_spdif_out,
- &tegra_spdif_in,
- &tegra_pwm,
- &tegra_d_audio,
- &tegra_dam0,
- &tegra_dam1,
- &tegra_dam2,
- &tegra_hda,
- &tegra_hda2codec_2x,
- &tegra_hda2hdmi,
- &tegra_sbc1,
- &tegra_sbc2,
- &tegra_sbc3,
- &tegra_sbc4,
- &tegra_sbc5,
- &tegra_sbc6,
- &tegra_sata_oob,
- &tegra_sata,
- &tegra_sata_cold,
- &tegra_ndflash,
- &tegra_ndspeed,
- &tegra_vfir,
- &tegra_sdmmc1,
- &tegra_sdmmc2,
- &tegra_sdmmc3,
- &tegra_sdmmc4,
- &tegra_vcp,
- &tegra_bsea,
- &tegra_bsev,
- &tegra_vde,
- &tegra_csite,
- &tegra_la,
- &tegra_owr,
- &tegra_nor,
- &tegra_mipi,
- &tegra_i2c1,
- &tegra_i2c2,
- &tegra_i2c3,
- &tegra_i2c4,
- &tegra_i2c5,
- &tegra_uarta,
- &tegra_uartb,
- &tegra_uartc,
- &tegra_uartd,
- &tegra_uarte,
- &tegra_vi,
- &tegra_3d,
- &tegra_3d2,
- &tegra_2d,
- &tegra_vi_sensor,
- &tegra_epp,
- &tegra_mpe,
- &tegra_host1x,
- &tegra_cve,
- &tegra_tvo,
- &tegra_dtv,
- &tegra_hdmi,
- &tegra_tvdac,
- &tegra_disp1,
- &tegra_disp2,
- &tegra_usbd,
- &tegra_usb2,
- &tegra_usb3,
- &tegra_dsia,
- &tegra_dsib,
- &tegra_csi,
- &tegra_isp,
- &tegra_csus,
- &tegra_tsensor,
- &tegra_actmon,
- &tegra_extern1,
- &tegra_extern2,
- &tegra_extern3,
- &tegra_i2cslow,
- &tegra_pcie,
- &tegra_afi,
- &tegra_se,
-};
-
-#define CLK_DUPLICATE(_name, _dev, _con) \
- { \
- .name = _name, \
- .lookup = { \
- .dev_id = _dev, \
- .con_id = _con, \
- }, \
- }
-
-/* Some clocks may be used by different drivers depending on the board
- * configuration. List those here to register them twice in the clock lookup
- * table under two names.
- */
-static struct clk_duplicate tegra_clk_duplicates[] = {
- CLK_DUPLICATE("uarta", "serial8250.0", NULL),
- CLK_DUPLICATE("uartb", "serial8250.1", NULL),
- CLK_DUPLICATE("uartc", "serial8250.2", NULL),
- CLK_DUPLICATE("uartd", "serial8250.3", NULL),
- CLK_DUPLICATE("uarte", "serial8250.4", NULL),
- CLK_DUPLICATE("usbd", "utmip-pad", NULL),
- CLK_DUPLICATE("usbd", "tegra-ehci.0", NULL),
- CLK_DUPLICATE("usbd", "tegra-otg", NULL),
- CLK_DUPLICATE("dsib", "tegradc.0", "dsib"),
- CLK_DUPLICATE("dsia", "tegradc.1", "dsia"),
- CLK_DUPLICATE("bsev", "tegra-avp", "bsev"),
- CLK_DUPLICATE("bsev", "nvavp", "bsev"),
- CLK_DUPLICATE("vde", "tegra-aes", "vde"),
- CLK_DUPLICATE("bsea", "tegra-aes", "bsea"),
- CLK_DUPLICATE("bsea", "nvavp", "bsea"),
- CLK_DUPLICATE("cml1", "tegra_sata_cml", NULL),
- CLK_DUPLICATE("cml0", "tegra_pcie", "cml"),
- CLK_DUPLICATE("pciex", "tegra_pcie", "pciex"),
- CLK_DUPLICATE("i2c1", "tegra-i2c-slave.0", NULL),
- CLK_DUPLICATE("i2c2", "tegra-i2c-slave.1", NULL),
- CLK_DUPLICATE("i2c3", "tegra-i2c-slave.2", NULL),
- CLK_DUPLICATE("i2c4", "tegra-i2c-slave.3", NULL),
- CLK_DUPLICATE("i2c5", "tegra-i2c-slave.4", NULL),
- CLK_DUPLICATE("sbc1", "spi_slave_tegra.0", NULL),
- CLK_DUPLICATE("sbc2", "spi_slave_tegra.1", NULL),
- CLK_DUPLICATE("sbc3", "spi_slave_tegra.2", NULL),
- CLK_DUPLICATE("sbc4", "spi_slave_tegra.3", NULL),
- CLK_DUPLICATE("sbc5", "spi_slave_tegra.4", NULL),
- CLK_DUPLICATE("sbc6", "spi_slave_tegra.5", NULL),
- CLK_DUPLICATE("twd", "smp_twd", NULL),
- CLK_DUPLICATE("vcp", "nvavp", "vcp"),
- CLK_DUPLICATE("i2s0", NULL, "i2s0"),
- CLK_DUPLICATE("i2s1", NULL, "i2s1"),
- CLK_DUPLICATE("i2s2", NULL, "i2s2"),
- CLK_DUPLICATE("i2s3", NULL, "i2s3"),
- CLK_DUPLICATE("i2s4", NULL, "i2s4"),
- CLK_DUPLICATE("dam0", NULL, "dam0"),
- CLK_DUPLICATE("dam1", NULL, "dam1"),
- CLK_DUPLICATE("dam2", NULL, "dam2"),
- CLK_DUPLICATE("spdif_in", NULL, "spdif_in"),
- CLK_DUPLICATE("pll_p_out3", "tegra-i2c.0", "fast-clk"),
- CLK_DUPLICATE("pll_p_out3", "tegra-i2c.1", "fast-clk"),
- CLK_DUPLICATE("pll_p_out3", "tegra-i2c.2", "fast-clk"),
- CLK_DUPLICATE("pll_p_out3", "tegra-i2c.3", "fast-clk"),
- CLK_DUPLICATE("pll_p_out3", "tegra-i2c.4", "fast-clk"),
- CLK_DUPLICATE("pll_p", "tegradc.0", "parent"),
- CLK_DUPLICATE("pll_p", "tegradc.1", "parent"),
- CLK_DUPLICATE("pll_d2_out0", "hdmi", "parent"),
-};
-
-static struct clk *tegra_ptr_clks[] = {
- &tegra_clk_32k,
- &tegra_clk_m,
- &tegra_clk_m_div2,
- &tegra_clk_m_div4,
- &tegra_pll_ref,
- &tegra_pll_m,
- &tegra_pll_m_out1,
- &tegra_pll_c,
- &tegra_pll_c_out1,
- &tegra_pll_p,
- &tegra_pll_p_out1,
- &tegra_pll_p_out2,
- &tegra_pll_p_out3,
- &tegra_pll_p_out4,
- &tegra_pll_a,
- &tegra_pll_a_out0,
- &tegra_pll_d,
- &tegra_pll_d_out0,
- &tegra_pll_d2,
- &tegra_pll_d2_out0,
- &tegra_pll_u,
- &tegra_pll_x,
- &tegra_pll_x_out0,
- &tegra_pll_e,
- &tegra_clk_cclk_g,
- &tegra_cml0,
- &tegra_cml1,
- &tegra_pciex,
- &tegra_clk_sclk,
- &tegra_hclk,
- &tegra_pclk,
- &tegra_clk_blink,
- &tegra30_clk_twd,
-};
-
-static void tegra30_init_one_clock(struct clk *c)
-{
- struct clk_tegra *clk = to_clk_tegra(c->hw);
- __clk_init(NULL, c);
- INIT_LIST_HEAD(&clk->shared_bus_list);
- if (!clk->lookup.dev_id && !clk->lookup.con_id)
- clk->lookup.con_id = c->name;
- clk->lookup.clk = c;
- clkdev_add(&clk->lookup);
- tegra_clk_add(c);
-}
-
-void __init tegra30_init_clocks(void)
-{
- int i;
- struct clk *c;
-
- for (i = 0; i < ARRAY_SIZE(tegra_ptr_clks); i++)
- tegra30_init_one_clock(tegra_ptr_clks[i]);
-
- for (i = 0; i < ARRAY_SIZE(tegra_list_clks); i++)
- tegra30_init_one_clock(tegra_list_clks[i]);
-
- for (i = 0; i < ARRAY_SIZE(tegra_clk_duplicates); i++) {
- c = tegra_get_clock_by_name(tegra_clk_duplicates[i].name);
- if (!c) {
- pr_err("%s: Unknown duplicate clock %s\n", __func__,
- tegra_clk_duplicates[i].name);
- continue;
- }
-
- tegra_clk_duplicates[i].lookup.clk = c;
- clkdev_add(&tegra_clk_duplicates[i].lookup);
- }
-
- for (i = 0; i < ARRAY_SIZE(tegra_sync_source_list); i++)
- tegra30_init_one_clock(tegra_sync_source_list[i]);
- for (i = 0; i < ARRAY_SIZE(tegra_clk_audio_list); i++)
- tegra30_init_one_clock(tegra_clk_audio_list[i]);
- for (i = 0; i < ARRAY_SIZE(tegra_clk_audio_2x_list); i++)
- tegra30_init_one_clock(tegra_clk_audio_2x_list[i]);
-
- for (i = 0; i < ARRAY_SIZE(tegra_clk_out_list); i++)
- tegra30_init_one_clock(tegra_clk_out_list[i]);
-
- tegra30_cpu_car_ops_init();
-}
}
#endif
-void tegra20_cpu_car_ops_init(void);
-void tegra30_cpu_car_ops_init(void);
void tegra_periph_reset_deassert(struct clk *c);
void tegra_periph_reset_assert(struct clk *c);
void tegra_clocks_init(void);
projects / GitHub / moto-9609 / android_kernel_motorola_exynos9610.git / commitdiff