L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
L: linux-mediatek@lists.infradead.org (moderated for non-subscribers)
S: Maintained
-F: drivers/phy/phy-mt65xx-usb3.c
+F: drivers/phy/mediatek/phy-mtk-tphy.c
ARM/MICREL KS8695 ARCHITECTURE
M: Greg Ungerer <gerg@uclinux.org>
This driver is need for USB0 support on LPC18xx/43xx and takes
care of enabling and clock setup.
-config PHY_MT65XX_USB3
- tristate "Mediatek USB3.0 PHY Driver"
- depends on ARCH_MEDIATEK && OF
- select GENERIC_PHY
- help
- Say 'Y' here to add support for Mediatek USB3.0 PHY driver,
- it supports multiple usb2.0 and usb3.0 ports.
-
config PHY_PISTACHIO_USB
tristate "IMG Pistachio USB2.0 PHY driver"
depends on MACH_PISTACHIO
source "drivers/phy/broadcom/Kconfig"
source "drivers/phy/hisilicon/Kconfig"
source "drivers/phy/marvell/Kconfig"
+source "drivers/phy/mediatek/Kconfig"
source "drivers/phy/motorola/Kconfig"
source "drivers/phy/qualcomm/Kconfig"
source "drivers/phy/renesas/Kconfig"
obj-$(CONFIG_GENERIC_PHY) += phy-core.o
obj-$(CONFIG_PHY_LPC18XX_USB_OTG) += phy-lpc18xx-usb-otg.o
-obj-$(CONFIG_PHY_MT65XX_USB3) += phy-mt65xx-usb3.o
obj-$(CONFIG_PHY_XGENE) += phy-xgene.o
obj-$(CONFIG_PHY_PISTACHIO_USB) += phy-pistachio-usb.o
obj-$(CONFIG_ARCH_SUNXI) += allwinner/
obj-$(CONFIG_ARCH_MESON) += amlogic/
+obj-$(CONFIG_ARCH_MEDIATEK) += mediatek/
obj-$(CONFIG_ARCH_RENESAS) += renesas/
obj-$(CONFIG_ARCH_ROCKCHIP) += rockchip/
obj-$(CONFIG_ARCH_TEGRA) += tegra/
--- /dev/null
+#
+# Phy drivers for Mediatek devices
+#
+config PHY_MTK_TPHY
+ tristate "MediaTek T-PHY Driver"
+ depends on ARCH_MEDIATEK && OF
+ select GENERIC_PHY
+ help
+ Say 'Y' here to add support for MediaTek T-PHY driver,
+ it supports multiple usb2.0, usb3.0 ports, PCIe and
+ SATA, and meanwhile supports two version T-PHY which have
+ different banks layout, the T-PHY with shared banks between
+ multi-ports is first version, otherwise is second veriosn,
+ so you can easily distinguish them by banks layout.
--- /dev/null
+#
+# Makefile for the phy drivers.
+#
+
+obj-$(CONFIG_PHY_MTK_TPHY) += phy-mtk-tphy.o
--- /dev/null
+/*
+ * Copyright (c) 2015 MediaTek Inc.
+ * Author: Chunfeng Yun <chunfeng.yun@mediatek.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 <dt-bindings/phy/phy.h>
+#include <linux/clk.h>
+#include <linux/delay.h>
+#include <linux/io.h>
+#include <linux/iopoll.h>
+#include <linux/module.h>
+#include <linux/of_address.h>
+#include <linux/phy/phy.h>
+#include <linux/platform_device.h>
+
+/* version V1 sub-banks offset base address */
+/* banks shared by multiple phys */
+#define SSUSB_SIFSLV_V1_SPLLC 0x000 /* shared by u3 phys */
+#define SSUSB_SIFSLV_V1_U2FREQ 0x100 /* shared by u2 phys */
+/* u2 phy bank */
+#define SSUSB_SIFSLV_V1_U2PHY_COM 0x000
+/* u3/pcie/sata phy banks */
+#define SSUSB_SIFSLV_V1_U3PHYD 0x000
+#define SSUSB_SIFSLV_V1_U3PHYA 0x200
+
+/* version V2 sub-banks offset base address */
+/* u2 phy banks */
+#define SSUSB_SIFSLV_V2_MISC 0x000
+#define SSUSB_SIFSLV_V2_U2FREQ 0x100
+#define SSUSB_SIFSLV_V2_U2PHY_COM 0x300
+/* u3/pcie/sata phy banks */
+#define SSUSB_SIFSLV_V2_SPLLC 0x000
+#define SSUSB_SIFSLV_V2_CHIP 0x100
+#define SSUSB_SIFSLV_V2_U3PHYD 0x200
+#define SSUSB_SIFSLV_V2_U3PHYA 0x400
+
+#define U3P_USBPHYACR0 0x000
+#define PA0_RG_U2PLL_FORCE_ON BIT(15)
+#define PA0_RG_USB20_INTR_EN BIT(5)
+
+#define U3P_USBPHYACR2 0x008
+#define PA2_RG_SIF_U2PLL_FORCE_EN BIT(18)
+
+#define U3P_USBPHYACR5 0x014
+#define PA5_RG_U2_HSTX_SRCAL_EN BIT(15)
+#define PA5_RG_U2_HSTX_SRCTRL GENMASK(14, 12)
+#define PA5_RG_U2_HSTX_SRCTRL_VAL(x) ((0x7 & (x)) << 12)
+#define PA5_RG_U2_HS_100U_U3_EN BIT(11)
+
+#define U3P_USBPHYACR6 0x018
+#define PA6_RG_U2_BC11_SW_EN BIT(23)
+#define PA6_RG_U2_OTG_VBUSCMP_EN BIT(20)
+#define PA6_RG_U2_SQTH GENMASK(3, 0)
+#define PA6_RG_U2_SQTH_VAL(x) (0xf & (x))
+
+#define U3P_U2PHYACR4 0x020
+#define P2C_RG_USB20_GPIO_CTL BIT(9)
+#define P2C_USB20_GPIO_MODE BIT(8)
+#define P2C_U2_GPIO_CTR_MSK (P2C_RG_USB20_GPIO_CTL | P2C_USB20_GPIO_MODE)
+
+#define U3D_U2PHYDCR0 0x060
+#define P2C_RG_SIF_U2PLL_FORCE_ON BIT(24)
+
+#define U3P_U2PHYDTM0 0x068
+#define P2C_FORCE_UART_EN BIT(26)
+#define P2C_FORCE_DATAIN BIT(23)
+#define P2C_FORCE_DM_PULLDOWN BIT(21)
+#define P2C_FORCE_DP_PULLDOWN BIT(20)
+#define P2C_FORCE_XCVRSEL BIT(19)
+#define P2C_FORCE_SUSPENDM BIT(18)
+#define P2C_FORCE_TERMSEL BIT(17)
+#define P2C_RG_DATAIN GENMASK(13, 10)
+#define P2C_RG_DATAIN_VAL(x) ((0xf & (x)) << 10)
+#define P2C_RG_DMPULLDOWN BIT(7)
+#define P2C_RG_DPPULLDOWN BIT(6)
+#define P2C_RG_XCVRSEL GENMASK(5, 4)
+#define P2C_RG_XCVRSEL_VAL(x) ((0x3 & (x)) << 4)
+#define P2C_RG_SUSPENDM BIT(3)
+#define P2C_RG_TERMSEL BIT(2)
+#define P2C_DTM0_PART_MASK \
+ (P2C_FORCE_DATAIN | P2C_FORCE_DM_PULLDOWN | \
+ P2C_FORCE_DP_PULLDOWN | P2C_FORCE_XCVRSEL | \
+ P2C_FORCE_TERMSEL | P2C_RG_DMPULLDOWN | \
+ P2C_RG_DPPULLDOWN | P2C_RG_TERMSEL)
+
+#define U3P_U2PHYDTM1 0x06C
+#define P2C_RG_UART_EN BIT(16)
+#define P2C_RG_VBUSVALID BIT(5)
+#define P2C_RG_SESSEND BIT(4)
+#define P2C_RG_AVALID BIT(2)
+
+#define U3P_U3_CHIP_GPIO_CTLD 0x0c
+#define P3C_REG_IP_SW_RST BIT(31)
+#define P3C_MCU_BUS_CK_GATE_EN BIT(30)
+#define P3C_FORCE_IP_SW_RST BIT(29)
+
+#define U3P_U3_CHIP_GPIO_CTLE 0x10
+#define P3C_RG_SWRST_U3_PHYD BIT(25)
+#define P3C_RG_SWRST_U3_PHYD_FORCE_EN BIT(24)
+
+#define U3P_U3_PHYA_REG0 0x000
+#define P3A_RG_CLKDRV_OFF GENMASK(3, 2)
+#define P3A_RG_CLKDRV_OFF_VAL(x) ((0x3 & (x)) << 2)
+
+#define U3P_U3_PHYA_REG1 0x004
+#define P3A_RG_CLKDRV_AMP GENMASK(31, 29)
+#define P3A_RG_CLKDRV_AMP_VAL(x) ((0x7 & (x)) << 29)
+
+#define U3P_U3_PHYA_REG6 0x018
+#define P3A_RG_TX_EIDLE_CM GENMASK(31, 28)
+#define P3A_RG_TX_EIDLE_CM_VAL(x) ((0xf & (x)) << 28)
+
+#define U3P_U3_PHYA_REG9 0x024
+#define P3A_RG_RX_DAC_MUX GENMASK(5, 1)
+#define P3A_RG_RX_DAC_MUX_VAL(x) ((0x1f & (x)) << 1)
+
+#define U3P_U3_PHYA_DA_REG0 0x100
+#define P3A_RG_XTAL_EXT_PE2H GENMASK(17, 16)
+#define P3A_RG_XTAL_EXT_PE2H_VAL(x) ((0x3 & (x)) << 16)
+#define P3A_RG_XTAL_EXT_PE1H GENMASK(13, 12)
+#define P3A_RG_XTAL_EXT_PE1H_VAL(x) ((0x3 & (x)) << 12)
+#define P3A_RG_XTAL_EXT_EN_U3 GENMASK(11, 10)
+#define P3A_RG_XTAL_EXT_EN_U3_VAL(x) ((0x3 & (x)) << 10)
+
+#define U3P_U3_PHYA_DA_REG4 0x108
+#define P3A_RG_PLL_DIVEN_PE2H GENMASK(21, 19)
+#define P3A_RG_PLL_BC_PE2H GENMASK(7, 6)
+#define P3A_RG_PLL_BC_PE2H_VAL(x) ((0x3 & (x)) << 6)
+
+#define U3P_U3_PHYA_DA_REG5 0x10c
+#define P3A_RG_PLL_BR_PE2H GENMASK(29, 28)
+#define P3A_RG_PLL_BR_PE2H_VAL(x) ((0x3 & (x)) << 28)
+#define P3A_RG_PLL_IC_PE2H GENMASK(15, 12)
+#define P3A_RG_PLL_IC_PE2H_VAL(x) ((0xf & (x)) << 12)
+
+#define U3P_U3_PHYA_DA_REG6 0x110
+#define P3A_RG_PLL_IR_PE2H GENMASK(19, 16)
+#define P3A_RG_PLL_IR_PE2H_VAL(x) ((0xf & (x)) << 16)
+
+#define U3P_U3_PHYA_DA_REG7 0x114
+#define P3A_RG_PLL_BP_PE2H GENMASK(19, 16)
+#define P3A_RG_PLL_BP_PE2H_VAL(x) ((0xf & (x)) << 16)
+
+#define U3P_U3_PHYA_DA_REG20 0x13c
+#define P3A_RG_PLL_DELTA1_PE2H GENMASK(31, 16)
+#define P3A_RG_PLL_DELTA1_PE2H_VAL(x) ((0xffff & (x)) << 16)
+
+#define U3P_U3_PHYA_DA_REG25 0x148
+#define P3A_RG_PLL_DELTA_PE2H GENMASK(15, 0)
+#define P3A_RG_PLL_DELTA_PE2H_VAL(x) (0xffff & (x))
+
+#define U3P_U3_PHYD_LFPS1 0x00c
+#define P3D_RG_FWAKE_TH GENMASK(21, 16)
+#define P3D_RG_FWAKE_TH_VAL(x) ((0x3f & (x)) << 16)
+
+#define U3P_U3_PHYD_CDR1 0x05c
+#define P3D_RG_CDR_BIR_LTD1 GENMASK(28, 24)
+#define P3D_RG_CDR_BIR_LTD1_VAL(x) ((0x1f & (x)) << 24)
+#define P3D_RG_CDR_BIR_LTD0 GENMASK(12, 8)
+#define P3D_RG_CDR_BIR_LTD0_VAL(x) ((0x1f & (x)) << 8)
+
+#define U3P_U3_PHYD_RXDET1 0x128
+#define P3D_RG_RXDET_STB2_SET GENMASK(17, 9)
+#define P3D_RG_RXDET_STB2_SET_VAL(x) ((0x1ff & (x)) << 9)
+
+#define U3P_U3_PHYD_RXDET2 0x12c
+#define P3D_RG_RXDET_STB2_SET_P3 GENMASK(8, 0)
+#define P3D_RG_RXDET_STB2_SET_P3_VAL(x) (0x1ff & (x))
+
+#define U3P_SPLLC_XTALCTL3 0x018
+#define XC3_RG_U3_XTAL_RX_PWD BIT(9)
+#define XC3_RG_U3_FRC_XTAL_RX_PWD BIT(8)
+
+#define U3P_U2FREQ_FMCR0 0x00
+#define P2F_RG_MONCLK_SEL GENMASK(27, 26)
+#define P2F_RG_MONCLK_SEL_VAL(x) ((0x3 & (x)) << 26)
+#define P2F_RG_FREQDET_EN BIT(24)
+#define P2F_RG_CYCLECNT GENMASK(23, 0)
+#define P2F_RG_CYCLECNT_VAL(x) ((P2F_RG_CYCLECNT) & (x))
+
+#define U3P_U2FREQ_VALUE 0x0c
+
+#define U3P_U2FREQ_FMMONR1 0x10
+#define P2F_USB_FM_VALID BIT(0)
+#define P2F_RG_FRCK_EN BIT(8)
+
+#define U3P_REF_CLK 26 /* MHZ */
+#define U3P_SLEW_RATE_COEF 28
+#define U3P_SR_COEF_DIVISOR 1000
+#define U3P_FM_DET_CYCLE_CNT 1024
+
+/* SATA register setting */
+#define PHYD_CTRL_SIGNAL_MODE4 0x1c
+/* CDR Charge Pump P-path current adjustment */
+#define RG_CDR_BICLTD1_GEN1_MSK GENMASK(23, 20)
+#define RG_CDR_BICLTD1_GEN1_VAL(x) ((0xf & (x)) << 20)
+#define RG_CDR_BICLTD0_GEN1_MSK GENMASK(11, 8)
+#define RG_CDR_BICLTD0_GEN1_VAL(x) ((0xf & (x)) << 8)
+
+#define PHYD_DESIGN_OPTION2 0x24
+/* Symbol lock count selection */
+#define RG_LOCK_CNT_SEL_MSK GENMASK(5, 4)
+#define RG_LOCK_CNT_SEL_VAL(x) ((0x3 & (x)) << 4)
+
+#define PHYD_DESIGN_OPTION9 0x40
+/* COMWAK GAP width window */
+#define RG_TG_MAX_MSK GENMASK(20, 16)
+#define RG_TG_MAX_VAL(x) ((0x1f & (x)) << 16)
+/* COMINIT GAP width window */
+#define RG_T2_MAX_MSK GENMASK(13, 8)
+#define RG_T2_MAX_VAL(x) ((0x3f & (x)) << 8)
+/* COMWAK GAP width window */
+#define RG_TG_MIN_MSK GENMASK(7, 5)
+#define RG_TG_MIN_VAL(x) ((0x7 & (x)) << 5)
+/* COMINIT GAP width window */
+#define RG_T2_MIN_MSK GENMASK(4, 0)
+#define RG_T2_MIN_VAL(x) (0x1f & (x))
+
+#define ANA_RG_CTRL_SIGNAL1 0x4c
+/* TX driver tail current control for 0dB de-empahsis mdoe for Gen1 speed */
+#define RG_IDRV_0DB_GEN1_MSK GENMASK(13, 8)
+#define RG_IDRV_0DB_GEN1_VAL(x) ((0x3f & (x)) << 8)
+
+#define ANA_RG_CTRL_SIGNAL4 0x58
+#define RG_CDR_BICLTR_GEN1_MSK GENMASK(23, 20)
+#define RG_CDR_BICLTR_GEN1_VAL(x) ((0xf & (x)) << 20)
+/* Loop filter R1 resistance adjustment for Gen1 speed */
+#define RG_CDR_BR_GEN2_MSK GENMASK(10, 8)
+#define RG_CDR_BR_GEN2_VAL(x) ((0x7 & (x)) << 8)
+
+#define ANA_RG_CTRL_SIGNAL6 0x60
+/* I-path capacitance adjustment for Gen1 */
+#define RG_CDR_BC_GEN1_MSK GENMASK(28, 24)
+#define RG_CDR_BC_GEN1_VAL(x) ((0x1f & (x)) << 24)
+#define RG_CDR_BIRLTR_GEN1_MSK GENMASK(4, 0)
+#define RG_CDR_BIRLTR_GEN1_VAL(x) (0x1f & (x))
+
+#define ANA_EQ_EYE_CTRL_SIGNAL1 0x6c
+/* RX Gen1 LEQ tuning step */
+#define RG_EQ_DLEQ_LFI_GEN1_MSK GENMASK(11, 8)
+#define RG_EQ_DLEQ_LFI_GEN1_VAL(x) ((0xf & (x)) << 8)
+
+#define ANA_EQ_EYE_CTRL_SIGNAL4 0xd8
+#define RG_CDR_BIRLTD0_GEN1_MSK GENMASK(20, 16)
+#define RG_CDR_BIRLTD0_GEN1_VAL(x) ((0x1f & (x)) << 16)
+
+#define ANA_EQ_EYE_CTRL_SIGNAL5 0xdc
+#define RG_CDR_BIRLTD0_GEN3_MSK GENMASK(4, 0)
+#define RG_CDR_BIRLTD0_GEN3_VAL(x) (0x1f & (x))
+
+enum mtk_phy_version {
+ MTK_PHY_V1 = 1,
+ MTK_PHY_V2,
+};
+
+struct mtk_phy_pdata {
+ /* avoid RX sensitivity level degradation only for mt8173 */
+ bool avoid_rx_sen_degradation;
+ enum mtk_phy_version version;
+};
+
+struct u2phy_banks {
+ void __iomem *misc;
+ void __iomem *fmreg;
+ void __iomem *com;
+};
+
+struct u3phy_banks {
+ void __iomem *spllc;
+ void __iomem *chip;
+ void __iomem *phyd; /* include u3phyd_bank2 */
+ void __iomem *phya; /* include u3phya_da */
+};
+
+struct mtk_phy_instance {
+ struct phy *phy;
+ void __iomem *port_base;
+ union {
+ struct u2phy_banks u2_banks;
+ struct u3phy_banks u3_banks;
+ };
+ struct clk *ref_clk; /* reference clock of anolog phy */
+ u32 index;
+ u8 type;
+};
+
+struct mtk_tphy {
+ struct device *dev;
+ void __iomem *sif_base; /* only shared sif */
+ /* deprecated, use @ref_clk instead in phy instance */
+ struct clk *u3phya_ref; /* reference clock of usb3 anolog phy */
+ const struct mtk_phy_pdata *pdata;
+ struct mtk_phy_instance **phys;
+ int nphys;
+};
+
+static void hs_slew_rate_calibrate(struct mtk_tphy *tphy,
+ struct mtk_phy_instance *instance)
+{
+ struct u2phy_banks *u2_banks = &instance->u2_banks;
+ void __iomem *fmreg = u2_banks->fmreg;
+ void __iomem *com = u2_banks->com;
+ int calibration_val;
+ int fm_out;
+ u32 tmp;
+
+ /* enable USB ring oscillator */
+ tmp = readl(com + U3P_USBPHYACR5);
+ tmp |= PA5_RG_U2_HSTX_SRCAL_EN;
+ writel(tmp, com + U3P_USBPHYACR5);
+ udelay(1);
+
+ /*enable free run clock */
+ tmp = readl(fmreg + U3P_U2FREQ_FMMONR1);
+ tmp |= P2F_RG_FRCK_EN;
+ writel(tmp, fmreg + U3P_U2FREQ_FMMONR1);
+
+ /* set cycle count as 1024, and select u2 channel */
+ tmp = readl(fmreg + U3P_U2FREQ_FMCR0);
+ tmp &= ~(P2F_RG_CYCLECNT | P2F_RG_MONCLK_SEL);
+ tmp |= P2F_RG_CYCLECNT_VAL(U3P_FM_DET_CYCLE_CNT);
+ if (tphy->pdata->version == MTK_PHY_V1)
+ tmp |= P2F_RG_MONCLK_SEL_VAL(instance->index >> 1);
+
+ writel(tmp, fmreg + U3P_U2FREQ_FMCR0);
+
+ /* enable frequency meter */
+ tmp = readl(fmreg + U3P_U2FREQ_FMCR0);
+ tmp |= P2F_RG_FREQDET_EN;
+ writel(tmp, fmreg + U3P_U2FREQ_FMCR0);
+
+ /* ignore return value */
+ readl_poll_timeout(fmreg + U3P_U2FREQ_FMMONR1, tmp,
+ (tmp & P2F_USB_FM_VALID), 10, 200);
+
+ fm_out = readl(fmreg + U3P_U2FREQ_VALUE);
+
+ /* disable frequency meter */
+ tmp = readl(fmreg + U3P_U2FREQ_FMCR0);
+ tmp &= ~P2F_RG_FREQDET_EN;
+ writel(tmp, fmreg + U3P_U2FREQ_FMCR0);
+
+ /*disable free run clock */
+ tmp = readl(fmreg + U3P_U2FREQ_FMMONR1);
+ tmp &= ~P2F_RG_FRCK_EN;
+ writel(tmp, fmreg + U3P_U2FREQ_FMMONR1);
+
+ if (fm_out) {
+ /* ( 1024 / FM_OUT ) x reference clock frequency x 0.028 */
+ tmp = U3P_FM_DET_CYCLE_CNT * U3P_REF_CLK * U3P_SLEW_RATE_COEF;
+ tmp /= fm_out;
+ calibration_val = DIV_ROUND_CLOSEST(tmp, U3P_SR_COEF_DIVISOR);
+ } else {
+ /* if FM detection fail, set default value */
+ calibration_val = 4;
+ }
+ dev_dbg(tphy->dev, "phy:%d, fm_out:%d, calib:%d\n",
+ instance->index, fm_out, calibration_val);
+
+ /* set HS slew rate */
+ tmp = readl(com + U3P_USBPHYACR5);
+ tmp &= ~PA5_RG_U2_HSTX_SRCTRL;
+ tmp |= PA5_RG_U2_HSTX_SRCTRL_VAL(calibration_val);
+ writel(tmp, com + U3P_USBPHYACR5);
+
+ /* disable USB ring oscillator */
+ tmp = readl(com + U3P_USBPHYACR5);
+ tmp &= ~PA5_RG_U2_HSTX_SRCAL_EN;
+ writel(tmp, com + U3P_USBPHYACR5);
+}
+
+static void u3_phy_instance_init(struct mtk_tphy *tphy,
+ struct mtk_phy_instance *instance)
+{
+ struct u3phy_banks *u3_banks = &instance->u3_banks;
+ u32 tmp;
+
+ /* gating PCIe Analog XTAL clock */
+ tmp = readl(u3_banks->spllc + U3P_SPLLC_XTALCTL3);
+ tmp |= XC3_RG_U3_XTAL_RX_PWD | XC3_RG_U3_FRC_XTAL_RX_PWD;
+ writel(tmp, u3_banks->spllc + U3P_SPLLC_XTALCTL3);
+
+ /* gating XSQ */
+ tmp = readl(u3_banks->phya + U3P_U3_PHYA_DA_REG0);
+ tmp &= ~P3A_RG_XTAL_EXT_EN_U3;
+ tmp |= P3A_RG_XTAL_EXT_EN_U3_VAL(2);
+ writel(tmp, u3_banks->phya + U3P_U3_PHYA_DA_REG0);
+
+ tmp = readl(u3_banks->phya + U3P_U3_PHYA_REG9);
+ tmp &= ~P3A_RG_RX_DAC_MUX;
+ tmp |= P3A_RG_RX_DAC_MUX_VAL(4);
+ writel(tmp, u3_banks->phya + U3P_U3_PHYA_REG9);
+
+ tmp = readl(u3_banks->phya + U3P_U3_PHYA_REG6);
+ tmp &= ~P3A_RG_TX_EIDLE_CM;
+ tmp |= P3A_RG_TX_EIDLE_CM_VAL(0xe);
+ writel(tmp, u3_banks->phya + U3P_U3_PHYA_REG6);
+
+ tmp = readl(u3_banks->phyd + U3P_U3_PHYD_CDR1);
+ tmp &= ~(P3D_RG_CDR_BIR_LTD0 | P3D_RG_CDR_BIR_LTD1);
+ tmp |= P3D_RG_CDR_BIR_LTD0_VAL(0xc) | P3D_RG_CDR_BIR_LTD1_VAL(0x3);
+ writel(tmp, u3_banks->phyd + U3P_U3_PHYD_CDR1);
+
+ tmp = readl(u3_banks->phyd + U3P_U3_PHYD_LFPS1);
+ tmp &= ~P3D_RG_FWAKE_TH;
+ tmp |= P3D_RG_FWAKE_TH_VAL(0x34);
+ writel(tmp, u3_banks->phyd + U3P_U3_PHYD_LFPS1);
+
+ tmp = readl(u3_banks->phyd + U3P_U3_PHYD_RXDET1);
+ tmp &= ~P3D_RG_RXDET_STB2_SET;
+ tmp |= P3D_RG_RXDET_STB2_SET_VAL(0x10);
+ writel(tmp, u3_banks->phyd + U3P_U3_PHYD_RXDET1);
+
+ tmp = readl(u3_banks->phyd + U3P_U3_PHYD_RXDET2);
+ tmp &= ~P3D_RG_RXDET_STB2_SET_P3;
+ tmp |= P3D_RG_RXDET_STB2_SET_P3_VAL(0x10);
+ writel(tmp, u3_banks->phyd + U3P_U3_PHYD_RXDET2);
+
+ dev_dbg(tphy->dev, "%s(%d)\n", __func__, instance->index);
+}
+
+static void u2_phy_instance_init(struct mtk_tphy *tphy,
+ struct mtk_phy_instance *instance)
+{
+ struct u2phy_banks *u2_banks = &instance->u2_banks;
+ void __iomem *com = u2_banks->com;
+ u32 index = instance->index;
+ u32 tmp;
+
+ /* switch to USB function. (system register, force ip into usb mode) */
+ tmp = readl(com + U3P_U2PHYDTM0);
+ tmp &= ~P2C_FORCE_UART_EN;
+ tmp |= P2C_RG_XCVRSEL_VAL(1) | P2C_RG_DATAIN_VAL(0);
+ writel(tmp, com + U3P_U2PHYDTM0);
+
+ tmp = readl(com + U3P_U2PHYDTM1);
+ tmp &= ~P2C_RG_UART_EN;
+ writel(tmp, com + U3P_U2PHYDTM1);
+
+ tmp = readl(com + U3P_USBPHYACR0);
+ tmp |= PA0_RG_USB20_INTR_EN;
+ writel(tmp, com + U3P_USBPHYACR0);
+
+ /* disable switch 100uA current to SSUSB */
+ tmp = readl(com + U3P_USBPHYACR5);
+ tmp &= ~PA5_RG_U2_HS_100U_U3_EN;
+ writel(tmp, com + U3P_USBPHYACR5);
+
+ if (!index) {
+ tmp = readl(com + U3P_U2PHYACR4);
+ tmp &= ~P2C_U2_GPIO_CTR_MSK;
+ writel(tmp, com + U3P_U2PHYACR4);
+ }
+
+ if (tphy->pdata->avoid_rx_sen_degradation) {
+ if (!index) {
+ tmp = readl(com + U3P_USBPHYACR2);
+ tmp |= PA2_RG_SIF_U2PLL_FORCE_EN;
+ writel(tmp, com + U3P_USBPHYACR2);
+
+ tmp = readl(com + U3D_U2PHYDCR0);
+ tmp &= ~P2C_RG_SIF_U2PLL_FORCE_ON;
+ writel(tmp, com + U3D_U2PHYDCR0);
+ } else {
+ tmp = readl(com + U3D_U2PHYDCR0);
+ tmp |= P2C_RG_SIF_U2PLL_FORCE_ON;
+ writel(tmp, com + U3D_U2PHYDCR0);
+
+ tmp = readl(com + U3P_U2PHYDTM0);
+ tmp |= P2C_RG_SUSPENDM | P2C_FORCE_SUSPENDM;
+ writel(tmp, com + U3P_U2PHYDTM0);
+ }
+ }
+
+ tmp = readl(com + U3P_USBPHYACR6);
+ tmp &= ~PA6_RG_U2_BC11_SW_EN; /* DP/DM BC1.1 path Disable */
+ tmp &= ~PA6_RG_U2_SQTH;
+ tmp |= PA6_RG_U2_SQTH_VAL(2);
+ writel(tmp, com + U3P_USBPHYACR6);
+
+ dev_dbg(tphy->dev, "%s(%d)\n", __func__, index);
+}
+
+static void u2_phy_instance_power_on(struct mtk_tphy *tphy,
+ struct mtk_phy_instance *instance)
+{
+ struct u2phy_banks *u2_banks = &instance->u2_banks;
+ void __iomem *com = u2_banks->com;
+ u32 index = instance->index;
+ u32 tmp;
+
+ /* (force_suspendm=0) (let suspendm=1, enable usb 480MHz pll) */
+ tmp = readl(com + U3P_U2PHYDTM0);
+ tmp &= ~(P2C_FORCE_SUSPENDM | P2C_RG_XCVRSEL);
+ tmp &= ~(P2C_RG_DATAIN | P2C_DTM0_PART_MASK);
+ writel(tmp, com + U3P_U2PHYDTM0);
+
+ /* OTG Enable */
+ tmp = readl(com + U3P_USBPHYACR6);
+ tmp |= PA6_RG_U2_OTG_VBUSCMP_EN;
+ writel(tmp, com + U3P_USBPHYACR6);
+
+ tmp = readl(com + U3P_U2PHYDTM1);
+ tmp |= P2C_RG_VBUSVALID | P2C_RG_AVALID;
+ tmp &= ~P2C_RG_SESSEND;
+ writel(tmp, com + U3P_U2PHYDTM1);
+
+ if (tphy->pdata->avoid_rx_sen_degradation && index) {
+ tmp = readl(com + U3D_U2PHYDCR0);
+ tmp |= P2C_RG_SIF_U2PLL_FORCE_ON;
+ writel(tmp, com + U3D_U2PHYDCR0);
+
+ tmp = readl(com + U3P_U2PHYDTM0);
+ tmp |= P2C_RG_SUSPENDM | P2C_FORCE_SUSPENDM;
+ writel(tmp, com + U3P_U2PHYDTM0);
+ }
+ dev_dbg(tphy->dev, "%s(%d)\n", __func__, index);
+}
+
+static void u2_phy_instance_power_off(struct mtk_tphy *tphy,
+ struct mtk_phy_instance *instance)
+{
+ struct u2phy_banks *u2_banks = &instance->u2_banks;
+ void __iomem *com = u2_banks->com;
+ u32 index = instance->index;
+ u32 tmp;
+
+ tmp = readl(com + U3P_U2PHYDTM0);
+ tmp &= ~(P2C_RG_XCVRSEL | P2C_RG_DATAIN);
+ tmp |= P2C_FORCE_SUSPENDM;
+ writel(tmp, com + U3P_U2PHYDTM0);
+
+ /* OTG Disable */
+ tmp = readl(com + U3P_USBPHYACR6);
+ tmp &= ~PA6_RG_U2_OTG_VBUSCMP_EN;
+ writel(tmp, com + U3P_USBPHYACR6);
+
+ /* let suspendm=0, set utmi into analog power down */
+ tmp = readl(com + U3P_U2PHYDTM0);
+ tmp &= ~P2C_RG_SUSPENDM;
+ writel(tmp, com + U3P_U2PHYDTM0);
+ udelay(1);
+
+ tmp = readl(com + U3P_U2PHYDTM1);
+ tmp &= ~(P2C_RG_VBUSVALID | P2C_RG_AVALID);
+ tmp |= P2C_RG_SESSEND;
+ writel(tmp, com + U3P_U2PHYDTM1);
+
+ if (tphy->pdata->avoid_rx_sen_degradation && index) {
+ tmp = readl(com + U3D_U2PHYDCR0);
+ tmp &= ~P2C_RG_SIF_U2PLL_FORCE_ON;
+ writel(tmp, com + U3D_U2PHYDCR0);
+ }
+
+ dev_dbg(tphy->dev, "%s(%d)\n", __func__, index);
+}
+
+static void u2_phy_instance_exit(struct mtk_tphy *tphy,
+ struct mtk_phy_instance *instance)
+{
+ struct u2phy_banks *u2_banks = &instance->u2_banks;
+ void __iomem *com = u2_banks->com;
+ u32 index = instance->index;
+ u32 tmp;
+
+ if (tphy->pdata->avoid_rx_sen_degradation && index) {
+ tmp = readl(com + U3D_U2PHYDCR0);
+ tmp &= ~P2C_RG_SIF_U2PLL_FORCE_ON;
+ writel(tmp, com + U3D_U2PHYDCR0);
+
+ tmp = readl(com + U3P_U2PHYDTM0);
+ tmp &= ~P2C_FORCE_SUSPENDM;
+ writel(tmp, com + U3P_U2PHYDTM0);
+ }
+}
+
+static void pcie_phy_instance_init(struct mtk_tphy *tphy,
+ struct mtk_phy_instance *instance)
+{
+ struct u3phy_banks *u3_banks = &instance->u3_banks;
+ u32 tmp;
+
+ if (tphy->pdata->version != MTK_PHY_V1)
+ return;
+
+ tmp = readl(u3_banks->phya + U3P_U3_PHYA_DA_REG0);
+ tmp &= ~(P3A_RG_XTAL_EXT_PE1H | P3A_RG_XTAL_EXT_PE2H);
+ tmp |= P3A_RG_XTAL_EXT_PE1H_VAL(0x2) | P3A_RG_XTAL_EXT_PE2H_VAL(0x2);
+ writel(tmp, u3_banks->phya + U3P_U3_PHYA_DA_REG0);
+
+ /* ref clk drive */
+ tmp = readl(u3_banks->phya + U3P_U3_PHYA_REG1);
+ tmp &= ~P3A_RG_CLKDRV_AMP;
+ tmp |= P3A_RG_CLKDRV_AMP_VAL(0x4);
+ writel(tmp, u3_banks->phya + U3P_U3_PHYA_REG1);
+
+ tmp = readl(u3_banks->phya + U3P_U3_PHYA_REG0);
+ tmp &= ~P3A_RG_CLKDRV_OFF;
+ tmp |= P3A_RG_CLKDRV_OFF_VAL(0x1);
+ writel(tmp, u3_banks->phya + U3P_U3_PHYA_REG0);
+
+ /* SSC delta -5000ppm */
+ tmp = readl(u3_banks->phya + U3P_U3_PHYA_DA_REG20);
+ tmp &= ~P3A_RG_PLL_DELTA1_PE2H;
+ tmp |= P3A_RG_PLL_DELTA1_PE2H_VAL(0x3c);
+ writel(tmp, u3_banks->phya + U3P_U3_PHYA_DA_REG20);
+
+ tmp = readl(u3_banks->phya + U3P_U3_PHYA_DA_REG25);
+ tmp &= ~P3A_RG_PLL_DELTA_PE2H;
+ tmp |= P3A_RG_PLL_DELTA_PE2H_VAL(0x36);
+ writel(tmp, u3_banks->phya + U3P_U3_PHYA_DA_REG25);
+
+ /* change pll BW 0.6M */
+ tmp = readl(u3_banks->phya + U3P_U3_PHYA_DA_REG5);
+ tmp &= ~(P3A_RG_PLL_BR_PE2H | P3A_RG_PLL_IC_PE2H);
+ tmp |= P3A_RG_PLL_BR_PE2H_VAL(0x1) | P3A_RG_PLL_IC_PE2H_VAL(0x1);
+ writel(tmp, u3_banks->phya + U3P_U3_PHYA_DA_REG5);
+
+ tmp = readl(u3_banks->phya + U3P_U3_PHYA_DA_REG4);
+ tmp &= ~(P3A_RG_PLL_DIVEN_PE2H | P3A_RG_PLL_BC_PE2H);
+ tmp |= P3A_RG_PLL_BC_PE2H_VAL(0x3);
+ writel(tmp, u3_banks->phya + U3P_U3_PHYA_DA_REG4);
+
+ tmp = readl(u3_banks->phya + U3P_U3_PHYA_DA_REG6);
+ tmp &= ~P3A_RG_PLL_IR_PE2H;
+ tmp |= P3A_RG_PLL_IR_PE2H_VAL(0x2);
+ writel(tmp, u3_banks->phya + U3P_U3_PHYA_DA_REG6);
+
+ tmp = readl(u3_banks->phya + U3P_U3_PHYA_DA_REG7);
+ tmp &= ~P3A_RG_PLL_BP_PE2H;
+ tmp |= P3A_RG_PLL_BP_PE2H_VAL(0xa);
+ writel(tmp, u3_banks->phya + U3P_U3_PHYA_DA_REG7);
+
+ /* Tx Detect Rx Timing: 10us -> 5us */
+ tmp = readl(u3_banks->phyd + U3P_U3_PHYD_RXDET1);
+ tmp &= ~P3D_RG_RXDET_STB2_SET;
+ tmp |= P3D_RG_RXDET_STB2_SET_VAL(0x10);
+ writel(tmp, u3_banks->phyd + U3P_U3_PHYD_RXDET1);
+
+ tmp = readl(u3_banks->phyd + U3P_U3_PHYD_RXDET2);
+ tmp &= ~P3D_RG_RXDET_STB2_SET_P3;
+ tmp |= P3D_RG_RXDET_STB2_SET_P3_VAL(0x10);
+ writel(tmp, u3_banks->phyd + U3P_U3_PHYD_RXDET2);
+
+ /* wait for PCIe subsys register to active */
+ usleep_range(2500, 3000);
+ dev_dbg(tphy->dev, "%s(%d)\n", __func__, instance->index);
+}
+
+static void pcie_phy_instance_power_on(struct mtk_tphy *tphy,
+ struct mtk_phy_instance *instance)
+{
+ struct u3phy_banks *bank = &instance->u3_banks;
+ u32 tmp;
+
+ tmp = readl(bank->chip + U3P_U3_CHIP_GPIO_CTLD);
+ tmp &= ~(P3C_FORCE_IP_SW_RST | P3C_MCU_BUS_CK_GATE_EN |
+ P3C_REG_IP_SW_RST);
+ writel(tmp, bank->chip + U3P_U3_CHIP_GPIO_CTLD);
+
+ tmp = readl(bank->chip + U3P_U3_CHIP_GPIO_CTLE);
+ tmp &= ~(P3C_RG_SWRST_U3_PHYD_FORCE_EN | P3C_RG_SWRST_U3_PHYD);
+ writel(tmp, bank->chip + U3P_U3_CHIP_GPIO_CTLE);
+}
+
+static void pcie_phy_instance_power_off(struct mtk_tphy *tphy,
+ struct mtk_phy_instance *instance)
+
+{
+ struct u3phy_banks *bank = &instance->u3_banks;
+ u32 tmp;
+
+ tmp = readl(bank->chip + U3P_U3_CHIP_GPIO_CTLD);
+ tmp |= P3C_FORCE_IP_SW_RST | P3C_REG_IP_SW_RST;
+ writel(tmp, bank->chip + U3P_U3_CHIP_GPIO_CTLD);
+
+ tmp = readl(bank->chip + U3P_U3_CHIP_GPIO_CTLE);
+ tmp |= P3C_RG_SWRST_U3_PHYD_FORCE_EN | P3C_RG_SWRST_U3_PHYD;
+ writel(tmp, bank->chip + U3P_U3_CHIP_GPIO_CTLE);
+}
+
+static void sata_phy_instance_init(struct mtk_tphy *tphy,
+ struct mtk_phy_instance *instance)
+{
+ struct u3phy_banks *u3_banks = &instance->u3_banks;
+ void __iomem *phyd = u3_banks->phyd;
+ u32 tmp;
+
+ /* charge current adjustment */
+ tmp = readl(phyd + ANA_RG_CTRL_SIGNAL6);
+ tmp &= ~(RG_CDR_BIRLTR_GEN1_MSK | RG_CDR_BC_GEN1_MSK);
+ tmp |= RG_CDR_BIRLTR_GEN1_VAL(0x6) | RG_CDR_BC_GEN1_VAL(0x1a);
+ writel(tmp, phyd + ANA_RG_CTRL_SIGNAL6);
+
+ tmp = readl(phyd + ANA_EQ_EYE_CTRL_SIGNAL4);
+ tmp &= ~RG_CDR_BIRLTD0_GEN1_MSK;
+ tmp |= RG_CDR_BIRLTD0_GEN1_VAL(0x18);
+ writel(tmp, phyd + ANA_EQ_EYE_CTRL_SIGNAL4);
+
+ tmp = readl(phyd + ANA_EQ_EYE_CTRL_SIGNAL5);
+ tmp &= ~RG_CDR_BIRLTD0_GEN3_MSK;
+ tmp |= RG_CDR_BIRLTD0_GEN3_VAL(0x06);
+ writel(tmp, phyd + ANA_EQ_EYE_CTRL_SIGNAL5);
+
+ tmp = readl(phyd + ANA_RG_CTRL_SIGNAL4);
+ tmp &= ~(RG_CDR_BICLTR_GEN1_MSK | RG_CDR_BR_GEN2_MSK);
+ tmp |= RG_CDR_BICLTR_GEN1_VAL(0x0c) | RG_CDR_BR_GEN2_VAL(0x07);
+ writel(tmp, phyd + ANA_RG_CTRL_SIGNAL4);
+
+ tmp = readl(phyd + PHYD_CTRL_SIGNAL_MODE4);
+ tmp &= ~(RG_CDR_BICLTD0_GEN1_MSK | RG_CDR_BICLTD1_GEN1_MSK);
+ tmp |= RG_CDR_BICLTD0_GEN1_VAL(0x08) | RG_CDR_BICLTD1_GEN1_VAL(0x02);
+ writel(tmp, phyd + PHYD_CTRL_SIGNAL_MODE4);
+
+ tmp = readl(phyd + PHYD_DESIGN_OPTION2);
+ tmp &= ~RG_LOCK_CNT_SEL_MSK;
+ tmp |= RG_LOCK_CNT_SEL_VAL(0x02);
+ writel(tmp, phyd + PHYD_DESIGN_OPTION2);
+
+ tmp = readl(phyd + PHYD_DESIGN_OPTION9);
+ tmp &= ~(RG_T2_MIN_MSK | RG_TG_MIN_MSK |
+ RG_T2_MAX_MSK | RG_TG_MAX_MSK);
+ tmp |= RG_T2_MIN_VAL(0x12) | RG_TG_MIN_VAL(0x04) |
+ RG_T2_MAX_VAL(0x31) | RG_TG_MAX_VAL(0x0e);
+ writel(tmp, phyd + PHYD_DESIGN_OPTION9);
+
+ tmp = readl(phyd + ANA_RG_CTRL_SIGNAL1);
+ tmp &= ~RG_IDRV_0DB_GEN1_MSK;
+ tmp |= RG_IDRV_0DB_GEN1_VAL(0x20);
+ writel(tmp, phyd + ANA_RG_CTRL_SIGNAL1);
+
+ tmp = readl(phyd + ANA_EQ_EYE_CTRL_SIGNAL1);
+ tmp &= ~RG_EQ_DLEQ_LFI_GEN1_MSK;
+ tmp |= RG_EQ_DLEQ_LFI_GEN1_VAL(0x03);
+ writel(tmp, phyd + ANA_EQ_EYE_CTRL_SIGNAL1);
+
+ dev_dbg(tphy->dev, "%s(%d)\n", __func__, instance->index);
+}
+
+static void phy_v1_banks_init(struct mtk_tphy *tphy,
+ struct mtk_phy_instance *instance)
+{
+ struct u2phy_banks *u2_banks = &instance->u2_banks;
+ struct u3phy_banks *u3_banks = &instance->u3_banks;
+
+ switch (instance->type) {
+ case PHY_TYPE_USB2:
+ u2_banks->misc = NULL;
+ u2_banks->fmreg = tphy->sif_base + SSUSB_SIFSLV_V1_U2FREQ;
+ u2_banks->com = instance->port_base + SSUSB_SIFSLV_V1_U2PHY_COM;
+ break;
+ case PHY_TYPE_USB3:
+ case PHY_TYPE_PCIE:
+ u3_banks->spllc = tphy->sif_base + SSUSB_SIFSLV_V1_SPLLC;
+ u3_banks->chip = NULL;
+ u3_banks->phyd = instance->port_base + SSUSB_SIFSLV_V1_U3PHYD;
+ u3_banks->phya = instance->port_base + SSUSB_SIFSLV_V1_U3PHYA;
+ break;
+ case PHY_TYPE_SATA:
+ u3_banks->phyd = instance->port_base + SSUSB_SIFSLV_V1_U3PHYD;
+ break;
+ default:
+ dev_err(tphy->dev, "incompatible PHY type\n");
+ return;
+ }
+}
+
+static void phy_v2_banks_init(struct mtk_tphy *tphy,
+ struct mtk_phy_instance *instance)
+{
+ struct u2phy_banks *u2_banks = &instance->u2_banks;
+ struct u3phy_banks *u3_banks = &instance->u3_banks;
+
+ switch (instance->type) {
+ case PHY_TYPE_USB2:
+ u2_banks->misc = instance->port_base + SSUSB_SIFSLV_V2_MISC;
+ u2_banks->fmreg = instance->port_base + SSUSB_SIFSLV_V2_U2FREQ;
+ u2_banks->com = instance->port_base + SSUSB_SIFSLV_V2_U2PHY_COM;
+ break;
+ case PHY_TYPE_USB3:
+ case PHY_TYPE_PCIE:
+ u3_banks->spllc = instance->port_base + SSUSB_SIFSLV_V2_SPLLC;
+ u3_banks->chip = instance->port_base + SSUSB_SIFSLV_V2_CHIP;
+ u3_banks->phyd = instance->port_base + SSUSB_SIFSLV_V2_U3PHYD;
+ u3_banks->phya = instance->port_base + SSUSB_SIFSLV_V2_U3PHYA;
+ break;
+ default:
+ dev_err(tphy->dev, "incompatible PHY type\n");
+ return;
+ }
+}
+
+static int mtk_phy_init(struct phy *phy)
+{
+ struct mtk_phy_instance *instance = phy_get_drvdata(phy);
+ struct mtk_tphy *tphy = dev_get_drvdata(phy->dev.parent);
+ int ret;
+
+ ret = clk_prepare_enable(tphy->u3phya_ref);
+ if (ret) {
+ dev_err(tphy->dev, "failed to enable u3phya_ref\n");
+ return ret;
+ }
+
+ ret = clk_prepare_enable(instance->ref_clk);
+ if (ret) {
+ dev_err(tphy->dev, "failed to enable ref_clk\n");
+ return ret;
+ }
+
+ switch (instance->type) {
+ case PHY_TYPE_USB2:
+ u2_phy_instance_init(tphy, instance);
+ break;
+ case PHY_TYPE_USB3:
+ u3_phy_instance_init(tphy, instance);
+ break;
+ case PHY_TYPE_PCIE:
+ pcie_phy_instance_init(tphy, instance);
+ break;
+ case PHY_TYPE_SATA:
+ sata_phy_instance_init(tphy, instance);
+ break;
+ default:
+ dev_err(tphy->dev, "incompatible PHY type\n");
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int mtk_phy_power_on(struct phy *phy)
+{
+ struct mtk_phy_instance *instance = phy_get_drvdata(phy);
+ struct mtk_tphy *tphy = dev_get_drvdata(phy->dev.parent);
+
+ if (instance->type == PHY_TYPE_USB2) {
+ u2_phy_instance_power_on(tphy, instance);
+ hs_slew_rate_calibrate(tphy, instance);
+ } else if (instance->type == PHY_TYPE_PCIE) {
+ pcie_phy_instance_power_on(tphy, instance);
+ }
+
+ return 0;
+}
+
+static int mtk_phy_power_off(struct phy *phy)
+{
+ struct mtk_phy_instance *instance = phy_get_drvdata(phy);
+ struct mtk_tphy *tphy = dev_get_drvdata(phy->dev.parent);
+
+ if (instance->type == PHY_TYPE_USB2)
+ u2_phy_instance_power_off(tphy, instance);
+ else if (instance->type == PHY_TYPE_PCIE)
+ pcie_phy_instance_power_off(tphy, instance);
+
+ return 0;
+}
+
+static int mtk_phy_exit(struct phy *phy)
+{
+ struct mtk_phy_instance *instance = phy_get_drvdata(phy);
+ struct mtk_tphy *tphy = dev_get_drvdata(phy->dev.parent);
+
+ if (instance->type == PHY_TYPE_USB2)
+ u2_phy_instance_exit(tphy, instance);
+
+ clk_disable_unprepare(instance->ref_clk);
+ clk_disable_unprepare(tphy->u3phya_ref);
+ return 0;
+}
+
+static struct phy *mtk_phy_xlate(struct device *dev,
+ struct of_phandle_args *args)
+{
+ struct mtk_tphy *tphy = dev_get_drvdata(dev);
+ struct mtk_phy_instance *instance = NULL;
+ struct device_node *phy_np = args->np;
+ int index;
+
+ if (args->args_count != 1) {
+ dev_err(dev, "invalid number of cells in 'phy' property\n");
+ return ERR_PTR(-EINVAL);
+ }
+
+ for (index = 0; index < tphy->nphys; index++)
+ if (phy_np == tphy->phys[index]->phy->dev.of_node) {
+ instance = tphy->phys[index];
+ break;
+ }
+
+ if (!instance) {
+ dev_err(dev, "failed to find appropriate phy\n");
+ return ERR_PTR(-EINVAL);
+ }
+
+ instance->type = args->args[0];
+ if (!(instance->type == PHY_TYPE_USB2 ||
+ instance->type == PHY_TYPE_USB3 ||
+ instance->type == PHY_TYPE_PCIE ||
+ instance->type == PHY_TYPE_SATA)) {
+ dev_err(dev, "unsupported device type: %d\n", instance->type);
+ return ERR_PTR(-EINVAL);
+ }
+
+ if (tphy->pdata->version == MTK_PHY_V1) {
+ phy_v1_banks_init(tphy, instance);
+ } else if (tphy->pdata->version == MTK_PHY_V2) {
+ phy_v2_banks_init(tphy, instance);
+ } else {
+ dev_err(dev, "phy version is not supported\n");
+ return ERR_PTR(-EINVAL);
+ }
+
+ return instance->phy;
+}
+
+static const struct phy_ops mtk_tphy_ops = {
+ .init = mtk_phy_init,
+ .exit = mtk_phy_exit,
+ .power_on = mtk_phy_power_on,
+ .power_off = mtk_phy_power_off,
+ .owner = THIS_MODULE,
+};
+
+static const struct mtk_phy_pdata tphy_v1_pdata = {
+ .avoid_rx_sen_degradation = false,
+ .version = MTK_PHY_V1,
+};
+
+static const struct mtk_phy_pdata tphy_v2_pdata = {
+ .avoid_rx_sen_degradation = false,
+ .version = MTK_PHY_V2,
+};
+
+static const struct mtk_phy_pdata mt8173_pdata = {
+ .avoid_rx_sen_degradation = true,
+ .version = MTK_PHY_V1,
+};
+
+static const struct of_device_id mtk_tphy_id_table[] = {
+ { .compatible = "mediatek,mt2701-u3phy", .data = &tphy_v1_pdata },
+ { .compatible = "mediatek,mt2712-u3phy", .data = &tphy_v2_pdata },
+ { .compatible = "mediatek,mt8173-u3phy", .data = &mt8173_pdata },
+ { .compatible = "mediatek,generic-tphy-v1", .data = &tphy_v1_pdata },
+ { .compatible = "mediatek,generic-tphy-v2", .data = &tphy_v2_pdata },
+ { },
+};
+MODULE_DEVICE_TABLE(of, mtk_tphy_id_table);
+
+static int mtk_tphy_probe(struct platform_device *pdev)
+{
+ const struct of_device_id *match;
+ struct device *dev = &pdev->dev;
+ struct device_node *np = dev->of_node;
+ struct device_node *child_np;
+ struct phy_provider *provider;
+ struct resource *sif_res;
+ struct mtk_tphy *tphy;
+ struct resource res;
+ int port, retval;
+
+ match = of_match_node(mtk_tphy_id_table, pdev->dev.of_node);
+ if (!match)
+ return -EINVAL;
+
+ tphy = devm_kzalloc(dev, sizeof(*tphy), GFP_KERNEL);
+ if (!tphy)
+ return -ENOMEM;
+
+ tphy->pdata = match->data;
+ tphy->nphys = of_get_child_count(np);
+ tphy->phys = devm_kcalloc(dev, tphy->nphys,
+ sizeof(*tphy->phys), GFP_KERNEL);
+ if (!tphy->phys)
+ return -ENOMEM;
+
+ tphy->dev = dev;
+ platform_set_drvdata(pdev, tphy);
+
+ if (tphy->pdata->version == MTK_PHY_V1) {
+ /* get banks shared by multiple phys */
+ sif_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ tphy->sif_base = devm_ioremap_resource(dev, sif_res);
+ if (IS_ERR(tphy->sif_base)) {
+ dev_err(dev, "failed to remap sif regs\n");
+ return PTR_ERR(tphy->sif_base);
+ }
+ }
+
+ /* it's deprecated, make it optional for backward compatibility */
+ tphy->u3phya_ref = devm_clk_get(dev, "u3phya_ref");
+ if (IS_ERR(tphy->u3phya_ref)) {
+ if (PTR_ERR(tphy->u3phya_ref) == -EPROBE_DEFER)
+ return -EPROBE_DEFER;
+
+ tphy->u3phya_ref = NULL;
+ }
+
+ port = 0;
+ for_each_child_of_node(np, child_np) {
+ struct mtk_phy_instance *instance;
+ struct phy *phy;
+
+ instance = devm_kzalloc(dev, sizeof(*instance), GFP_KERNEL);
+ if (!instance) {
+ retval = -ENOMEM;
+ goto put_child;
+ }
+
+ tphy->phys[port] = instance;
+
+ phy = devm_phy_create(dev, child_np, &mtk_tphy_ops);
+ if (IS_ERR(phy)) {
+ dev_err(dev, "failed to create phy\n");
+ retval = PTR_ERR(phy);
+ goto put_child;
+ }
+
+ retval = of_address_to_resource(child_np, 0, &res);
+ if (retval) {
+ dev_err(dev, "failed to get address resource(id-%d)\n",
+ port);
+ goto put_child;
+ }
+
+ instance->port_base = devm_ioremap_resource(&phy->dev, &res);
+ if (IS_ERR(instance->port_base)) {
+ dev_err(dev, "failed to remap phy regs\n");
+ retval = PTR_ERR(instance->port_base);
+ goto put_child;
+ }
+
+ instance->phy = phy;
+ instance->index = port;
+ phy_set_drvdata(phy, instance);
+ port++;
+
+ /* if deprecated clock is provided, ignore instance's one */
+ if (tphy->u3phya_ref)
+ continue;
+
+ instance->ref_clk = devm_clk_get(&phy->dev, "ref");
+ if (IS_ERR(instance->ref_clk)) {
+ dev_err(dev, "failed to get ref_clk(id-%d)\n", port);
+ retval = PTR_ERR(instance->ref_clk);
+ goto put_child;
+ }
+ }
+
+ provider = devm_of_phy_provider_register(dev, mtk_phy_xlate);
+
+ return PTR_ERR_OR_ZERO(provider);
+put_child:
+ of_node_put(child_np);
+ return retval;
+}
+
+static struct platform_driver mtk_tphy_driver = {
+ .probe = mtk_tphy_probe,
+ .driver = {
+ .name = "mtk-tphy",
+ .of_match_table = mtk_tphy_id_table,
+ },
+};
+
+module_platform_driver(mtk_tphy_driver);
+
+MODULE_AUTHOR("Chunfeng Yun <chunfeng.yun@mediatek.com>");
+MODULE_DESCRIPTION("MediaTek T-PHY driver");
+MODULE_LICENSE("GPL v2");
+++ /dev/null
-/*
- * Copyright (c) 2015 MediaTek Inc.
- * Author: Chunfeng Yun <chunfeng.yun@mediatek.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 <dt-bindings/phy/phy.h>
-#include <linux/clk.h>
-#include <linux/delay.h>
-#include <linux/io.h>
-#include <linux/iopoll.h>
-#include <linux/module.h>
-#include <linux/of_address.h>
-#include <linux/phy/phy.h>
-#include <linux/platform_device.h>
-
-/* version V1 sub-banks offset base address */
-/* banks shared by multiple phys */
-#define SSUSB_SIFSLV_V1_SPLLC 0x000 /* shared by u3 phys */
-#define SSUSB_SIFSLV_V1_U2FREQ 0x100 /* shared by u2 phys */
-/* u2 phy bank */
-#define SSUSB_SIFSLV_V1_U2PHY_COM 0x000
-/* u3/pcie/sata phy banks */
-#define SSUSB_SIFSLV_V1_U3PHYD 0x000
-#define SSUSB_SIFSLV_V1_U3PHYA 0x200
-
-/* version V2 sub-banks offset base address */
-/* u2 phy banks */
-#define SSUSB_SIFSLV_V2_MISC 0x000
-#define SSUSB_SIFSLV_V2_U2FREQ 0x100
-#define SSUSB_SIFSLV_V2_U2PHY_COM 0x300
-/* u3 phy banks */
-#define SSUSB_SIFSLV_V2_SPLLC 0x000
-#define SSUSB_SIFSLV_V2_CHIP 0x100
-#define SSUSB_SIFSLV_V2_U3PHYD 0x200
-#define SSUSB_SIFSLV_V2_U3PHYA 0x400
-
-#define U3P_USBPHYACR0 0x000
-#define PA0_RG_U2PLL_FORCE_ON BIT(15)
-#define PA0_RG_USB20_INTR_EN BIT(5)
-
-#define U3P_USBPHYACR2 0x008
-#define PA2_RG_SIF_U2PLL_FORCE_EN BIT(18)
-
-#define U3P_USBPHYACR5 0x014
-#define PA5_RG_U2_HSTX_SRCAL_EN BIT(15)
-#define PA5_RG_U2_HSTX_SRCTRL GENMASK(14, 12)
-#define PA5_RG_U2_HSTX_SRCTRL_VAL(x) ((0x7 & (x)) << 12)
-#define PA5_RG_U2_HS_100U_U3_EN BIT(11)
-
-#define U3P_USBPHYACR6 0x018
-#define PA6_RG_U2_BC11_SW_EN BIT(23)
-#define PA6_RG_U2_OTG_VBUSCMP_EN BIT(20)
-#define PA6_RG_U2_SQTH GENMASK(3, 0)
-#define PA6_RG_U2_SQTH_VAL(x) (0xf & (x))
-
-#define U3P_U2PHYACR4 0x020
-#define P2C_RG_USB20_GPIO_CTL BIT(9)
-#define P2C_USB20_GPIO_MODE BIT(8)
-#define P2C_U2_GPIO_CTR_MSK (P2C_RG_USB20_GPIO_CTL | P2C_USB20_GPIO_MODE)
-
-#define U3D_U2PHYDCR0 0x060
-#define P2C_RG_SIF_U2PLL_FORCE_ON BIT(24)
-
-#define U3P_U2PHYDTM0 0x068
-#define P2C_FORCE_UART_EN BIT(26)
-#define P2C_FORCE_DATAIN BIT(23)
-#define P2C_FORCE_DM_PULLDOWN BIT(21)
-#define P2C_FORCE_DP_PULLDOWN BIT(20)
-#define P2C_FORCE_XCVRSEL BIT(19)
-#define P2C_FORCE_SUSPENDM BIT(18)
-#define P2C_FORCE_TERMSEL BIT(17)
-#define P2C_RG_DATAIN GENMASK(13, 10)
-#define P2C_RG_DATAIN_VAL(x) ((0xf & (x)) << 10)
-#define P2C_RG_DMPULLDOWN BIT(7)
-#define P2C_RG_DPPULLDOWN BIT(6)
-#define P2C_RG_XCVRSEL GENMASK(5, 4)
-#define P2C_RG_XCVRSEL_VAL(x) ((0x3 & (x)) << 4)
-#define P2C_RG_SUSPENDM BIT(3)
-#define P2C_RG_TERMSEL BIT(2)
-#define P2C_DTM0_PART_MASK \
- (P2C_FORCE_DATAIN | P2C_FORCE_DM_PULLDOWN | \
- P2C_FORCE_DP_PULLDOWN | P2C_FORCE_XCVRSEL | \
- P2C_FORCE_TERMSEL | P2C_RG_DMPULLDOWN | \
- P2C_RG_DPPULLDOWN | P2C_RG_TERMSEL)
-
-#define U3P_U2PHYDTM1 0x06C
-#define P2C_RG_UART_EN BIT(16)
-#define P2C_RG_VBUSVALID BIT(5)
-#define P2C_RG_SESSEND BIT(4)
-#define P2C_RG_AVALID BIT(2)
-
-#define U3P_U3_CHIP_GPIO_CTLD 0x0c
-#define P3C_REG_IP_SW_RST BIT(31)
-#define P3C_MCU_BUS_CK_GATE_EN BIT(30)
-#define P3C_FORCE_IP_SW_RST BIT(29)
-
-#define U3P_U3_CHIP_GPIO_CTLE 0x10
-#define P3C_RG_SWRST_U3_PHYD BIT(25)
-#define P3C_RG_SWRST_U3_PHYD_FORCE_EN BIT(24)
-
-#define U3P_U3_PHYA_REG0 0x000
-#define P3A_RG_CLKDRV_OFF GENMASK(3, 2)
-#define P3A_RG_CLKDRV_OFF_VAL(x) ((0x3 & (x)) << 2)
-
-#define U3P_U3_PHYA_REG1 0x004
-#define P3A_RG_CLKDRV_AMP GENMASK(31, 29)
-#define P3A_RG_CLKDRV_AMP_VAL(x) ((0x7 & (x)) << 29)
-
-#define U3P_U3_PHYA_REG6 0x018
-#define P3A_RG_TX_EIDLE_CM GENMASK(31, 28)
-#define P3A_RG_TX_EIDLE_CM_VAL(x) ((0xf & (x)) << 28)
-
-#define U3P_U3_PHYA_REG9 0x024
-#define P3A_RG_RX_DAC_MUX GENMASK(5, 1)
-#define P3A_RG_RX_DAC_MUX_VAL(x) ((0x1f & (x)) << 1)
-
-#define U3P_U3_PHYA_DA_REG0 0x100
-#define P3A_RG_XTAL_EXT_PE2H GENMASK(17, 16)
-#define P3A_RG_XTAL_EXT_PE2H_VAL(x) ((0x3 & (x)) << 16)
-#define P3A_RG_XTAL_EXT_PE1H GENMASK(13, 12)
-#define P3A_RG_XTAL_EXT_PE1H_VAL(x) ((0x3 & (x)) << 12)
-#define P3A_RG_XTAL_EXT_EN_U3 GENMASK(11, 10)
-#define P3A_RG_XTAL_EXT_EN_U3_VAL(x) ((0x3 & (x)) << 10)
-
-#define U3P_U3_PHYA_DA_REG4 0x108
-#define P3A_RG_PLL_DIVEN_PE2H GENMASK(21, 19)
-#define P3A_RG_PLL_BC_PE2H GENMASK(7, 6)
-#define P3A_RG_PLL_BC_PE2H_VAL(x) ((0x3 & (x)) << 6)
-
-#define U3P_U3_PHYA_DA_REG5 0x10c
-#define P3A_RG_PLL_BR_PE2H GENMASK(29, 28)
-#define P3A_RG_PLL_BR_PE2H_VAL(x) ((0x3 & (x)) << 28)
-#define P3A_RG_PLL_IC_PE2H GENMASK(15, 12)
-#define P3A_RG_PLL_IC_PE2H_VAL(x) ((0xf & (x)) << 12)
-
-#define U3P_U3_PHYA_DA_REG6 0x110
-#define P3A_RG_PLL_IR_PE2H GENMASK(19, 16)
-#define P3A_RG_PLL_IR_PE2H_VAL(x) ((0xf & (x)) << 16)
-
-#define U3P_U3_PHYA_DA_REG7 0x114
-#define P3A_RG_PLL_BP_PE2H GENMASK(19, 16)
-#define P3A_RG_PLL_BP_PE2H_VAL(x) ((0xf & (x)) << 16)
-
-#define U3P_U3_PHYA_DA_REG20 0x13c
-#define P3A_RG_PLL_DELTA1_PE2H GENMASK(31, 16)
-#define P3A_RG_PLL_DELTA1_PE2H_VAL(x) ((0xffff & (x)) << 16)
-
-#define U3P_U3_PHYA_DA_REG25 0x148
-#define P3A_RG_PLL_DELTA_PE2H GENMASK(15, 0)
-#define P3A_RG_PLL_DELTA_PE2H_VAL(x) (0xffff & (x))
-
-#define U3P_U3_PHYD_LFPS1 0x00c
-#define P3D_RG_FWAKE_TH GENMASK(21, 16)
-#define P3D_RG_FWAKE_TH_VAL(x) ((0x3f & (x)) << 16)
-
-#define U3P_U3_PHYD_CDR1 0x05c
-#define P3D_RG_CDR_BIR_LTD1 GENMASK(28, 24)
-#define P3D_RG_CDR_BIR_LTD1_VAL(x) ((0x1f & (x)) << 24)
-#define P3D_RG_CDR_BIR_LTD0 GENMASK(12, 8)
-#define P3D_RG_CDR_BIR_LTD0_VAL(x) ((0x1f & (x)) << 8)
-
-#define U3P_U3_PHYD_RXDET1 0x128
-#define P3D_RG_RXDET_STB2_SET GENMASK(17, 9)
-#define P3D_RG_RXDET_STB2_SET_VAL(x) ((0x1ff & (x)) << 9)
-
-#define U3P_U3_PHYD_RXDET2 0x12c
-#define P3D_RG_RXDET_STB2_SET_P3 GENMASK(8, 0)
-#define P3D_RG_RXDET_STB2_SET_P3_VAL(x) (0x1ff & (x))
-
-#define U3P_SPLLC_XTALCTL3 0x018
-#define XC3_RG_U3_XTAL_RX_PWD BIT(9)
-#define XC3_RG_U3_FRC_XTAL_RX_PWD BIT(8)
-
-#define U3P_U2FREQ_FMCR0 0x00
-#define P2F_RG_MONCLK_SEL GENMASK(27, 26)
-#define P2F_RG_MONCLK_SEL_VAL(x) ((0x3 & (x)) << 26)
-#define P2F_RG_FREQDET_EN BIT(24)
-#define P2F_RG_CYCLECNT GENMASK(23, 0)
-#define P2F_RG_CYCLECNT_VAL(x) ((P2F_RG_CYCLECNT) & (x))
-
-#define U3P_U2FREQ_VALUE 0x0c
-
-#define U3P_U2FREQ_FMMONR1 0x10
-#define P2F_USB_FM_VALID BIT(0)
-#define P2F_RG_FRCK_EN BIT(8)
-
-#define U3P_REF_CLK 26 /* MHZ */
-#define U3P_SLEW_RATE_COEF 28
-#define U3P_SR_COEF_DIVISOR 1000
-#define U3P_FM_DET_CYCLE_CNT 1024
-
-/* SATA register setting */
-#define PHYD_CTRL_SIGNAL_MODE4 0x1c
-/* CDR Charge Pump P-path current adjustment */
-#define RG_CDR_BICLTD1_GEN1_MSK GENMASK(23, 20)
-#define RG_CDR_BICLTD1_GEN1_VAL(x) ((0xf & (x)) << 20)
-#define RG_CDR_BICLTD0_GEN1_MSK GENMASK(11, 8)
-#define RG_CDR_BICLTD0_GEN1_VAL(x) ((0xf & (x)) << 8)
-
-#define PHYD_DESIGN_OPTION2 0x24
-/* Symbol lock count selection */
-#define RG_LOCK_CNT_SEL_MSK GENMASK(5, 4)
-#define RG_LOCK_CNT_SEL_VAL(x) ((0x3 & (x)) << 4)
-
-#define PHYD_DESIGN_OPTION9 0x40
-/* COMWAK GAP width window */
-#define RG_TG_MAX_MSK GENMASK(20, 16)
-#define RG_TG_MAX_VAL(x) ((0x1f & (x)) << 16)
-/* COMINIT GAP width window */
-#define RG_T2_MAX_MSK GENMASK(13, 8)
-#define RG_T2_MAX_VAL(x) ((0x3f & (x)) << 8)
-/* COMWAK GAP width window */
-#define RG_TG_MIN_MSK GENMASK(7, 5)
-#define RG_TG_MIN_VAL(x) ((0x7 & (x)) << 5)
-/* COMINIT GAP width window */
-#define RG_T2_MIN_MSK GENMASK(4, 0)
-#define RG_T2_MIN_VAL(x) (0x1f & (x))
-
-#define ANA_RG_CTRL_SIGNAL1 0x4c
-/* TX driver tail current control for 0dB de-empahsis mdoe for Gen1 speed */
-#define RG_IDRV_0DB_GEN1_MSK GENMASK(13, 8)
-#define RG_IDRV_0DB_GEN1_VAL(x) ((0x3f & (x)) << 8)
-
-#define ANA_RG_CTRL_SIGNAL4 0x58
-#define RG_CDR_BICLTR_GEN1_MSK GENMASK(23, 20)
-#define RG_CDR_BICLTR_GEN1_VAL(x) ((0xf & (x)) << 20)
-/* Loop filter R1 resistance adjustment for Gen1 speed */
-#define RG_CDR_BR_GEN2_MSK GENMASK(10, 8)
-#define RG_CDR_BR_GEN2_VAL(x) ((0x7 & (x)) << 8)
-
-#define ANA_RG_CTRL_SIGNAL6 0x60
-/* I-path capacitance adjustment for Gen1 */
-#define RG_CDR_BC_GEN1_MSK GENMASK(28, 24)
-#define RG_CDR_BC_GEN1_VAL(x) ((0x1f & (x)) << 24)
-#define RG_CDR_BIRLTR_GEN1_MSK GENMASK(4, 0)
-#define RG_CDR_BIRLTR_GEN1_VAL(x) (0x1f & (x))
-
-#define ANA_EQ_EYE_CTRL_SIGNAL1 0x6c
-/* RX Gen1 LEQ tuning step */
-#define RG_EQ_DLEQ_LFI_GEN1_MSK GENMASK(11, 8)
-#define RG_EQ_DLEQ_LFI_GEN1_VAL(x) ((0xf & (x)) << 8)
-
-#define ANA_EQ_EYE_CTRL_SIGNAL4 0xd8
-#define RG_CDR_BIRLTD0_GEN1_MSK GENMASK(20, 16)
-#define RG_CDR_BIRLTD0_GEN1_VAL(x) ((0x1f & (x)) << 16)
-
-#define ANA_EQ_EYE_CTRL_SIGNAL5 0xdc
-#define RG_CDR_BIRLTD0_GEN3_MSK GENMASK(4, 0)
-#define RG_CDR_BIRLTD0_GEN3_VAL(x) (0x1f & (x))
-
-enum mt_phy_version {
- MT_PHY_V1 = 1,
- MT_PHY_V2,
-};
-
-struct mt65xx_phy_pdata {
- /* avoid RX sensitivity level degradation only for mt8173 */
- bool avoid_rx_sen_degradation;
- enum mt_phy_version version;
-};
-
-struct u2phy_banks {
- void __iomem *misc;
- void __iomem *fmreg;
- void __iomem *com;
-};
-
-struct u3phy_banks {
- void __iomem *spllc;
- void __iomem *chip;
- void __iomem *phyd; /* include u3phyd_bank2 */
- void __iomem *phya; /* include u3phya_da */
-};
-
-struct mt65xx_phy_instance {
- struct phy *phy;
- void __iomem *port_base;
- union {
- struct u2phy_banks u2_banks;
- struct u3phy_banks u3_banks;
- };
- struct clk *ref_clk; /* reference clock of anolog phy */
- u32 index;
- u8 type;
-};
-
-struct mt65xx_u3phy {
- struct device *dev;
- void __iomem *sif_base; /* only shared sif */
- /* deprecated, use @ref_clk instead in phy instance */
- struct clk *u3phya_ref; /* reference clock of usb3 anolog phy */
- const struct mt65xx_phy_pdata *pdata;
- struct mt65xx_phy_instance **phys;
- int nphys;
-};
-
-static void hs_slew_rate_calibrate(struct mt65xx_u3phy *u3phy,
- struct mt65xx_phy_instance *instance)
-{
- struct u2phy_banks *u2_banks = &instance->u2_banks;
- void __iomem *fmreg = u2_banks->fmreg;
- void __iomem *com = u2_banks->com;
- int calibration_val;
- int fm_out;
- u32 tmp;
-
- /* enable USB ring oscillator */
- tmp = readl(com + U3P_USBPHYACR5);
- tmp |= PA5_RG_U2_HSTX_SRCAL_EN;
- writel(tmp, com + U3P_USBPHYACR5);
- udelay(1);
-
- /*enable free run clock */
- tmp = readl(fmreg + U3P_U2FREQ_FMMONR1);
- tmp |= P2F_RG_FRCK_EN;
- writel(tmp, fmreg + U3P_U2FREQ_FMMONR1);
-
- /* set cycle count as 1024, and select u2 channel */
- tmp = readl(fmreg + U3P_U2FREQ_FMCR0);
- tmp &= ~(P2F_RG_CYCLECNT | P2F_RG_MONCLK_SEL);
- tmp |= P2F_RG_CYCLECNT_VAL(U3P_FM_DET_CYCLE_CNT);
- if (u3phy->pdata->version == MT_PHY_V1)
- tmp |= P2F_RG_MONCLK_SEL_VAL(instance->index >> 1);
-
- writel(tmp, fmreg + U3P_U2FREQ_FMCR0);
-
- /* enable frequency meter */
- tmp = readl(fmreg + U3P_U2FREQ_FMCR0);
- tmp |= P2F_RG_FREQDET_EN;
- writel(tmp, fmreg + U3P_U2FREQ_FMCR0);
-
- /* ignore return value */
- readl_poll_timeout(fmreg + U3P_U2FREQ_FMMONR1, tmp,
- (tmp & P2F_USB_FM_VALID), 10, 200);
-
- fm_out = readl(fmreg + U3P_U2FREQ_VALUE);
-
- /* disable frequency meter */
- tmp = readl(fmreg + U3P_U2FREQ_FMCR0);
- tmp &= ~P2F_RG_FREQDET_EN;
- writel(tmp, fmreg + U3P_U2FREQ_FMCR0);
-
- /*disable free run clock */
- tmp = readl(fmreg + U3P_U2FREQ_FMMONR1);
- tmp &= ~P2F_RG_FRCK_EN;
- writel(tmp, fmreg + U3P_U2FREQ_FMMONR1);
-
- if (fm_out) {
- /* ( 1024 / FM_OUT ) x reference clock frequency x 0.028 */
- tmp = U3P_FM_DET_CYCLE_CNT * U3P_REF_CLK * U3P_SLEW_RATE_COEF;
- tmp /= fm_out;
- calibration_val = DIV_ROUND_CLOSEST(tmp, U3P_SR_COEF_DIVISOR);
- } else {
- /* if FM detection fail, set default value */
- calibration_val = 4;
- }
- dev_dbg(u3phy->dev, "phy:%d, fm_out:%d, calib:%d\n",
- instance->index, fm_out, calibration_val);
-
- /* set HS slew rate */
- tmp = readl(com + U3P_USBPHYACR5);
- tmp &= ~PA5_RG_U2_HSTX_SRCTRL;
- tmp |= PA5_RG_U2_HSTX_SRCTRL_VAL(calibration_val);
- writel(tmp, com + U3P_USBPHYACR5);
-
- /* disable USB ring oscillator */
- tmp = readl(com + U3P_USBPHYACR5);
- tmp &= ~PA5_RG_U2_HSTX_SRCAL_EN;
- writel(tmp, com + U3P_USBPHYACR5);
-}
-
-static void u3_phy_instance_init(struct mt65xx_u3phy *u3phy,
- struct mt65xx_phy_instance *instance)
-{
- struct u3phy_banks *u3_banks = &instance->u3_banks;
- u32 tmp;
-
- /* gating PCIe Analog XTAL clock */
- tmp = readl(u3_banks->spllc + U3P_SPLLC_XTALCTL3);
- tmp |= XC3_RG_U3_XTAL_RX_PWD | XC3_RG_U3_FRC_XTAL_RX_PWD;
- writel(tmp, u3_banks->spllc + U3P_SPLLC_XTALCTL3);
-
- /* gating XSQ */
- tmp = readl(u3_banks->phya + U3P_U3_PHYA_DA_REG0);
- tmp &= ~P3A_RG_XTAL_EXT_EN_U3;
- tmp |= P3A_RG_XTAL_EXT_EN_U3_VAL(2);
- writel(tmp, u3_banks->phya + U3P_U3_PHYA_DA_REG0);
-
- tmp = readl(u3_banks->phya + U3P_U3_PHYA_REG9);
- tmp &= ~P3A_RG_RX_DAC_MUX;
- tmp |= P3A_RG_RX_DAC_MUX_VAL(4);
- writel(tmp, u3_banks->phya + U3P_U3_PHYA_REG9);
-
- tmp = readl(u3_banks->phya + U3P_U3_PHYA_REG6);
- tmp &= ~P3A_RG_TX_EIDLE_CM;
- tmp |= P3A_RG_TX_EIDLE_CM_VAL(0xe);
- writel(tmp, u3_banks->phya + U3P_U3_PHYA_REG6);
-
- tmp = readl(u3_banks->phyd + U3P_U3_PHYD_CDR1);
- tmp &= ~(P3D_RG_CDR_BIR_LTD0 | P3D_RG_CDR_BIR_LTD1);
- tmp |= P3D_RG_CDR_BIR_LTD0_VAL(0xc) | P3D_RG_CDR_BIR_LTD1_VAL(0x3);
- writel(tmp, u3_banks->phyd + U3P_U3_PHYD_CDR1);
-
- tmp = readl(u3_banks->phyd + U3P_U3_PHYD_LFPS1);
- tmp &= ~P3D_RG_FWAKE_TH;
- tmp |= P3D_RG_FWAKE_TH_VAL(0x34);
- writel(tmp, u3_banks->phyd + U3P_U3_PHYD_LFPS1);
-
- tmp = readl(u3_banks->phyd + U3P_U3_PHYD_RXDET1);
- tmp &= ~P3D_RG_RXDET_STB2_SET;
- tmp |= P3D_RG_RXDET_STB2_SET_VAL(0x10);
- writel(tmp, u3_banks->phyd + U3P_U3_PHYD_RXDET1);
-
- tmp = readl(u3_banks->phyd + U3P_U3_PHYD_RXDET2);
- tmp &= ~P3D_RG_RXDET_STB2_SET_P3;
- tmp |= P3D_RG_RXDET_STB2_SET_P3_VAL(0x10);
- writel(tmp, u3_banks->phyd + U3P_U3_PHYD_RXDET2);
-
- dev_dbg(u3phy->dev, "%s(%d)\n", __func__, instance->index);
-}
-
-static void u2_phy_instance_init(struct mt65xx_u3phy *u3phy,
- struct mt65xx_phy_instance *instance)
-{
- struct u2phy_banks *u2_banks = &instance->u2_banks;
- void __iomem *com = u2_banks->com;
- u32 index = instance->index;
- u32 tmp;
-
- /* switch to USB function. (system register, force ip into usb mode) */
- tmp = readl(com + U3P_U2PHYDTM0);
- tmp &= ~P2C_FORCE_UART_EN;
- tmp |= P2C_RG_XCVRSEL_VAL(1) | P2C_RG_DATAIN_VAL(0);
- writel(tmp, com + U3P_U2PHYDTM0);
-
- tmp = readl(com + U3P_U2PHYDTM1);
- tmp &= ~P2C_RG_UART_EN;
- writel(tmp, com + U3P_U2PHYDTM1);
-
- tmp = readl(com + U3P_USBPHYACR0);
- tmp |= PA0_RG_USB20_INTR_EN;
- writel(tmp, com + U3P_USBPHYACR0);
-
- /* disable switch 100uA current to SSUSB */
- tmp = readl(com + U3P_USBPHYACR5);
- tmp &= ~PA5_RG_U2_HS_100U_U3_EN;
- writel(tmp, com + U3P_USBPHYACR5);
-
- if (!index) {
- tmp = readl(com + U3P_U2PHYACR4);
- tmp &= ~P2C_U2_GPIO_CTR_MSK;
- writel(tmp, com + U3P_U2PHYACR4);
- }
-
- if (u3phy->pdata->avoid_rx_sen_degradation) {
- if (!index) {
- tmp = readl(com + U3P_USBPHYACR2);
- tmp |= PA2_RG_SIF_U2PLL_FORCE_EN;
- writel(tmp, com + U3P_USBPHYACR2);
-
- tmp = readl(com + U3D_U2PHYDCR0);
- tmp &= ~P2C_RG_SIF_U2PLL_FORCE_ON;
- writel(tmp, com + U3D_U2PHYDCR0);
- } else {
- tmp = readl(com + U3D_U2PHYDCR0);
- tmp |= P2C_RG_SIF_U2PLL_FORCE_ON;
- writel(tmp, com + U3D_U2PHYDCR0);
-
- tmp = readl(com + U3P_U2PHYDTM0);
- tmp |= P2C_RG_SUSPENDM | P2C_FORCE_SUSPENDM;
- writel(tmp, com + U3P_U2PHYDTM0);
- }
- }
-
- tmp = readl(com + U3P_USBPHYACR6);
- tmp &= ~PA6_RG_U2_BC11_SW_EN; /* DP/DM BC1.1 path Disable */
- tmp &= ~PA6_RG_U2_SQTH;
- tmp |= PA6_RG_U2_SQTH_VAL(2);
- writel(tmp, com + U3P_USBPHYACR6);
-
- dev_dbg(u3phy->dev, "%s(%d)\n", __func__, index);
-}
-
-static void u2_phy_instance_power_on(struct mt65xx_u3phy *u3phy,
- struct mt65xx_phy_instance *instance)
-{
- struct u2phy_banks *u2_banks = &instance->u2_banks;
- void __iomem *com = u2_banks->com;
- u32 index = instance->index;
- u32 tmp;
-
- /* (force_suspendm=0) (let suspendm=1, enable usb 480MHz pll) */
- tmp = readl(com + U3P_U2PHYDTM0);
- tmp &= ~(P2C_FORCE_SUSPENDM | P2C_RG_XCVRSEL);
- tmp &= ~(P2C_RG_DATAIN | P2C_DTM0_PART_MASK);
- writel(tmp, com + U3P_U2PHYDTM0);
-
- /* OTG Enable */
- tmp = readl(com + U3P_USBPHYACR6);
- tmp |= PA6_RG_U2_OTG_VBUSCMP_EN;
- writel(tmp, com + U3P_USBPHYACR6);
-
- tmp = readl(com + U3P_U2PHYDTM1);
- tmp |= P2C_RG_VBUSVALID | P2C_RG_AVALID;
- tmp &= ~P2C_RG_SESSEND;
- writel(tmp, com + U3P_U2PHYDTM1);
-
- if (u3phy->pdata->avoid_rx_sen_degradation && index) {
- tmp = readl(com + U3D_U2PHYDCR0);
- tmp |= P2C_RG_SIF_U2PLL_FORCE_ON;
- writel(tmp, com + U3D_U2PHYDCR0);
-
- tmp = readl(com + U3P_U2PHYDTM0);
- tmp |= P2C_RG_SUSPENDM | P2C_FORCE_SUSPENDM;
- writel(tmp, com + U3P_U2PHYDTM0);
- }
- dev_dbg(u3phy->dev, "%s(%d)\n", __func__, index);
-}
-
-static void u2_phy_instance_power_off(struct mt65xx_u3phy *u3phy,
- struct mt65xx_phy_instance *instance)
-{
- struct u2phy_banks *u2_banks = &instance->u2_banks;
- void __iomem *com = u2_banks->com;
- u32 index = instance->index;
- u32 tmp;
-
- tmp = readl(com + U3P_U2PHYDTM0);
- tmp &= ~(P2C_RG_XCVRSEL | P2C_RG_DATAIN);
- tmp |= P2C_FORCE_SUSPENDM;
- writel(tmp, com + U3P_U2PHYDTM0);
-
- /* OTG Disable */
- tmp = readl(com + U3P_USBPHYACR6);
- tmp &= ~PA6_RG_U2_OTG_VBUSCMP_EN;
- writel(tmp, com + U3P_USBPHYACR6);
-
- /* let suspendm=0, set utmi into analog power down */
- tmp = readl(com + U3P_U2PHYDTM0);
- tmp &= ~P2C_RG_SUSPENDM;
- writel(tmp, com + U3P_U2PHYDTM0);
- udelay(1);
-
- tmp = readl(com + U3P_U2PHYDTM1);
- tmp &= ~(P2C_RG_VBUSVALID | P2C_RG_AVALID);
- tmp |= P2C_RG_SESSEND;
- writel(tmp, com + U3P_U2PHYDTM1);
-
- if (u3phy->pdata->avoid_rx_sen_degradation && index) {
- tmp = readl(com + U3D_U2PHYDCR0);
- tmp &= ~P2C_RG_SIF_U2PLL_FORCE_ON;
- writel(tmp, com + U3D_U2PHYDCR0);
- }
-
- dev_dbg(u3phy->dev, "%s(%d)\n", __func__, index);
-}
-
-static void u2_phy_instance_exit(struct mt65xx_u3phy *u3phy,
- struct mt65xx_phy_instance *instance)
-{
- struct u2phy_banks *u2_banks = &instance->u2_banks;
- void __iomem *com = u2_banks->com;
- u32 index = instance->index;
- u32 tmp;
-
- if (u3phy->pdata->avoid_rx_sen_degradation && index) {
- tmp = readl(com + U3D_U2PHYDCR0);
- tmp &= ~P2C_RG_SIF_U2PLL_FORCE_ON;
- writel(tmp, com + U3D_U2PHYDCR0);
-
- tmp = readl(com + U3P_U2PHYDTM0);
- tmp &= ~P2C_FORCE_SUSPENDM;
- writel(tmp, com + U3P_U2PHYDTM0);
- }
-}
-
-static void pcie_phy_instance_init(struct mt65xx_u3phy *u3phy,
- struct mt65xx_phy_instance *instance)
-{
- struct u3phy_banks *u3_banks = &instance->u3_banks;
- u32 tmp;
-
- if (u3phy->pdata->version != MT_PHY_V1)
- return;
-
- tmp = readl(u3_banks->phya + U3P_U3_PHYA_DA_REG0);
- tmp &= ~(P3A_RG_XTAL_EXT_PE1H | P3A_RG_XTAL_EXT_PE2H);
- tmp |= P3A_RG_XTAL_EXT_PE1H_VAL(0x2) | P3A_RG_XTAL_EXT_PE2H_VAL(0x2);
- writel(tmp, u3_banks->phya + U3P_U3_PHYA_DA_REG0);
-
- /* ref clk drive */
- tmp = readl(u3_banks->phya + U3P_U3_PHYA_REG1);
- tmp &= ~P3A_RG_CLKDRV_AMP;
- tmp |= P3A_RG_CLKDRV_AMP_VAL(0x4);
- writel(tmp, u3_banks->phya + U3P_U3_PHYA_REG1);
-
- tmp = readl(u3_banks->phya + U3P_U3_PHYA_REG0);
- tmp &= ~P3A_RG_CLKDRV_OFF;
- tmp |= P3A_RG_CLKDRV_OFF_VAL(0x1);
- writel(tmp, u3_banks->phya + U3P_U3_PHYA_REG0);
-
- /* SSC delta -5000ppm */
- tmp = readl(u3_banks->phya + U3P_U3_PHYA_DA_REG20);
- tmp &= ~P3A_RG_PLL_DELTA1_PE2H;
- tmp |= P3A_RG_PLL_DELTA1_PE2H_VAL(0x3c);
- writel(tmp, u3_banks->phya + U3P_U3_PHYA_DA_REG20);
-
- tmp = readl(u3_banks->phya + U3P_U3_PHYA_DA_REG25);
- tmp &= ~P3A_RG_PLL_DELTA_PE2H;
- tmp |= P3A_RG_PLL_DELTA_PE2H_VAL(0x36);
- writel(tmp, u3_banks->phya + U3P_U3_PHYA_DA_REG25);
-
- /* change pll BW 0.6M */
- tmp = readl(u3_banks->phya + U3P_U3_PHYA_DA_REG5);
- tmp &= ~(P3A_RG_PLL_BR_PE2H | P3A_RG_PLL_IC_PE2H);
- tmp |= P3A_RG_PLL_BR_PE2H_VAL(0x1) | P3A_RG_PLL_IC_PE2H_VAL(0x1);
- writel(tmp, u3_banks->phya + U3P_U3_PHYA_DA_REG5);
-
- tmp = readl(u3_banks->phya + U3P_U3_PHYA_DA_REG4);
- tmp &= ~(P3A_RG_PLL_DIVEN_PE2H | P3A_RG_PLL_BC_PE2H);
- tmp |= P3A_RG_PLL_BC_PE2H_VAL(0x3);
- writel(tmp, u3_banks->phya + U3P_U3_PHYA_DA_REG4);
-
- tmp = readl(u3_banks->phya + U3P_U3_PHYA_DA_REG6);
- tmp &= ~P3A_RG_PLL_IR_PE2H;
- tmp |= P3A_RG_PLL_IR_PE2H_VAL(0x2);
- writel(tmp, u3_banks->phya + U3P_U3_PHYA_DA_REG6);
-
- tmp = readl(u3_banks->phya + U3P_U3_PHYA_DA_REG7);
- tmp &= ~P3A_RG_PLL_BP_PE2H;
- tmp |= P3A_RG_PLL_BP_PE2H_VAL(0xa);
- writel(tmp, u3_banks->phya + U3P_U3_PHYA_DA_REG7);
-
- /* Tx Detect Rx Timing: 10us -> 5us */
- tmp = readl(u3_banks->phyd + U3P_U3_PHYD_RXDET1);
- tmp &= ~P3D_RG_RXDET_STB2_SET;
- tmp |= P3D_RG_RXDET_STB2_SET_VAL(0x10);
- writel(tmp, u3_banks->phyd + U3P_U3_PHYD_RXDET1);
-
- tmp = readl(u3_banks->phyd + U3P_U3_PHYD_RXDET2);
- tmp &= ~P3D_RG_RXDET_STB2_SET_P3;
- tmp |= P3D_RG_RXDET_STB2_SET_P3_VAL(0x10);
- writel(tmp, u3_banks->phyd + U3P_U3_PHYD_RXDET2);
-
- /* wait for PCIe subsys register to active */
- usleep_range(2500, 3000);
- dev_dbg(u3phy->dev, "%s(%d)\n", __func__, instance->index);
-}
-
-static void pcie_phy_instance_power_on(struct mt65xx_u3phy *u3phy,
- struct mt65xx_phy_instance *instance)
-{
- struct u3phy_banks *bank = &instance->u3_banks;
- u32 tmp;
-
- tmp = readl(bank->chip + U3P_U3_CHIP_GPIO_CTLD);
- tmp &= ~(P3C_FORCE_IP_SW_RST | P3C_MCU_BUS_CK_GATE_EN |
- P3C_REG_IP_SW_RST);
- writel(tmp, bank->chip + U3P_U3_CHIP_GPIO_CTLD);
-
- tmp = readl(bank->chip + U3P_U3_CHIP_GPIO_CTLE);
- tmp &= ~(P3C_RG_SWRST_U3_PHYD_FORCE_EN | P3C_RG_SWRST_U3_PHYD);
- writel(tmp, bank->chip + U3P_U3_CHIP_GPIO_CTLE);
-}
-
-static void pcie_phy_instance_power_off(struct mt65xx_u3phy *u3phy,
- struct mt65xx_phy_instance *instance)
-
-{
- struct u3phy_banks *bank = &instance->u3_banks;
- u32 tmp;
-
- tmp = readl(bank->chip + U3P_U3_CHIP_GPIO_CTLD);
- tmp |= P3C_FORCE_IP_SW_RST | P3C_REG_IP_SW_RST;
- writel(tmp, bank->chip + U3P_U3_CHIP_GPIO_CTLD);
-
- tmp = readl(bank->chip + U3P_U3_CHIP_GPIO_CTLE);
- tmp |= P3C_RG_SWRST_U3_PHYD_FORCE_EN | P3C_RG_SWRST_U3_PHYD;
- writel(tmp, bank->chip + U3P_U3_CHIP_GPIO_CTLE);
-}
-
-static void sata_phy_instance_init(struct mt65xx_u3phy *u3phy,
- struct mt65xx_phy_instance *instance)
-{
- struct u3phy_banks *u3_banks = &instance->u3_banks;
- void __iomem *phyd = u3_banks->phyd;
- u32 tmp;
-
- /* charge current adjustment */
- tmp = readl(phyd + ANA_RG_CTRL_SIGNAL6);
- tmp &= ~(RG_CDR_BIRLTR_GEN1_MSK | RG_CDR_BC_GEN1_MSK);
- tmp |= RG_CDR_BIRLTR_GEN1_VAL(0x6) | RG_CDR_BC_GEN1_VAL(0x1a);
- writel(tmp, phyd + ANA_RG_CTRL_SIGNAL6);
-
- tmp = readl(phyd + ANA_EQ_EYE_CTRL_SIGNAL4);
- tmp &= ~RG_CDR_BIRLTD0_GEN1_MSK;
- tmp |= RG_CDR_BIRLTD0_GEN1_VAL(0x18);
- writel(tmp, phyd + ANA_EQ_EYE_CTRL_SIGNAL4);
-
- tmp = readl(phyd + ANA_EQ_EYE_CTRL_SIGNAL5);
- tmp &= ~RG_CDR_BIRLTD0_GEN3_MSK;
- tmp |= RG_CDR_BIRLTD0_GEN3_VAL(0x06);
- writel(tmp, phyd + ANA_EQ_EYE_CTRL_SIGNAL5);
-
- tmp = readl(phyd + ANA_RG_CTRL_SIGNAL4);
- tmp &= ~(RG_CDR_BICLTR_GEN1_MSK | RG_CDR_BR_GEN2_MSK);
- tmp |= RG_CDR_BICLTR_GEN1_VAL(0x0c) | RG_CDR_BR_GEN2_VAL(0x07);
- writel(tmp, phyd + ANA_RG_CTRL_SIGNAL4);
-
- tmp = readl(phyd + PHYD_CTRL_SIGNAL_MODE4);
- tmp &= ~(RG_CDR_BICLTD0_GEN1_MSK | RG_CDR_BICLTD1_GEN1_MSK);
- tmp |= RG_CDR_BICLTD0_GEN1_VAL(0x08) | RG_CDR_BICLTD1_GEN1_VAL(0x02);
- writel(tmp, phyd + PHYD_CTRL_SIGNAL_MODE4);
-
- tmp = readl(phyd + PHYD_DESIGN_OPTION2);
- tmp &= ~RG_LOCK_CNT_SEL_MSK;
- tmp |= RG_LOCK_CNT_SEL_VAL(0x02);
- writel(tmp, phyd + PHYD_DESIGN_OPTION2);
-
- tmp = readl(phyd + PHYD_DESIGN_OPTION9);
- tmp &= ~(RG_T2_MIN_MSK | RG_TG_MIN_MSK |
- RG_T2_MAX_MSK | RG_TG_MAX_MSK);
- tmp |= RG_T2_MIN_VAL(0x12) | RG_TG_MIN_VAL(0x04) |
- RG_T2_MAX_VAL(0x31) | RG_TG_MAX_VAL(0x0e);
- writel(tmp, phyd + PHYD_DESIGN_OPTION9);
-
- tmp = readl(phyd + ANA_RG_CTRL_SIGNAL1);
- tmp &= ~RG_IDRV_0DB_GEN1_MSK;
- tmp |= RG_IDRV_0DB_GEN1_VAL(0x20);
- writel(tmp, phyd + ANA_RG_CTRL_SIGNAL1);
-
- tmp = readl(phyd + ANA_EQ_EYE_CTRL_SIGNAL1);
- tmp &= ~RG_EQ_DLEQ_LFI_GEN1_MSK;
- tmp |= RG_EQ_DLEQ_LFI_GEN1_VAL(0x03);
- writel(tmp, phyd + ANA_EQ_EYE_CTRL_SIGNAL1);
-
- dev_dbg(u3phy->dev, "%s(%d)\n", __func__, instance->index);
-}
-
-static void phy_v1_banks_init(struct mt65xx_u3phy *u3phy,
- struct mt65xx_phy_instance *instance)
-{
- struct u2phy_banks *u2_banks = &instance->u2_banks;
- struct u3phy_banks *u3_banks = &instance->u3_banks;
-
- switch (instance->type) {
- case PHY_TYPE_USB2:
- u2_banks->misc = NULL;
- u2_banks->fmreg = u3phy->sif_base + SSUSB_SIFSLV_V1_U2FREQ;
- u2_banks->com = instance->port_base + SSUSB_SIFSLV_V1_U2PHY_COM;
- break;
- case PHY_TYPE_USB3:
- case PHY_TYPE_PCIE:
- u3_banks->spllc = u3phy->sif_base + SSUSB_SIFSLV_V1_SPLLC;
- u3_banks->chip = NULL;
- u3_banks->phyd = instance->port_base + SSUSB_SIFSLV_V1_U3PHYD;
- u3_banks->phya = instance->port_base + SSUSB_SIFSLV_V1_U3PHYA;
- break;
- case PHY_TYPE_SATA:
- u3_banks->phyd = instance->port_base + SSUSB_SIFSLV_V1_U3PHYD;
- break;
- default:
- dev_err(u3phy->dev, "incompatible PHY type\n");
- return;
- }
-}
-
-static void phy_v2_banks_init(struct mt65xx_u3phy *u3phy,
- struct mt65xx_phy_instance *instance)
-{
- struct u2phy_banks *u2_banks = &instance->u2_banks;
- struct u3phy_banks *u3_banks = &instance->u3_banks;
-
- switch (instance->type) {
- case PHY_TYPE_USB2:
- u2_banks->misc = instance->port_base + SSUSB_SIFSLV_V2_MISC;
- u2_banks->fmreg = instance->port_base + SSUSB_SIFSLV_V2_U2FREQ;
- u2_banks->com = instance->port_base + SSUSB_SIFSLV_V2_U2PHY_COM;
- break;
- case PHY_TYPE_USB3:
- case PHY_TYPE_PCIE:
- u3_banks->spllc = instance->port_base + SSUSB_SIFSLV_V2_SPLLC;
- u3_banks->chip = instance->port_base + SSUSB_SIFSLV_V2_CHIP;
- u3_banks->phyd = instance->port_base + SSUSB_SIFSLV_V2_U3PHYD;
- u3_banks->phya = instance->port_base + SSUSB_SIFSLV_V2_U3PHYA;
- break;
- default:
- dev_err(u3phy->dev, "incompatible PHY type\n");
- return;
- }
-}
-
-static int mt65xx_phy_init(struct phy *phy)
-{
- struct mt65xx_phy_instance *instance = phy_get_drvdata(phy);
- struct mt65xx_u3phy *u3phy = dev_get_drvdata(phy->dev.parent);
- int ret;
-
- ret = clk_prepare_enable(u3phy->u3phya_ref);
- if (ret) {
- dev_err(u3phy->dev, "failed to enable u3phya_ref\n");
- return ret;
- }
-
- ret = clk_prepare_enable(instance->ref_clk);
- if (ret) {
- dev_err(u3phy->dev, "failed to enable ref_clk\n");
- return ret;
- }
-
- switch (instance->type) {
- case PHY_TYPE_USB2:
- u2_phy_instance_init(u3phy, instance);
- break;
- case PHY_TYPE_USB3:
- u3_phy_instance_init(u3phy, instance);
- break;
- case PHY_TYPE_PCIE:
- pcie_phy_instance_init(u3phy, instance);
- break;
- case PHY_TYPE_SATA:
- sata_phy_instance_init(u3phy, instance);
- break;
- default:
- dev_err(u3phy->dev, "incompatible PHY type\n");
- return -EINVAL;
- }
-
- return 0;
-}
-
-static int mt65xx_phy_power_on(struct phy *phy)
-{
- struct mt65xx_phy_instance *instance = phy_get_drvdata(phy);
- struct mt65xx_u3phy *u3phy = dev_get_drvdata(phy->dev.parent);
-
- if (instance->type == PHY_TYPE_USB2) {
- u2_phy_instance_power_on(u3phy, instance);
- hs_slew_rate_calibrate(u3phy, instance);
- } else if (instance->type == PHY_TYPE_PCIE) {
- pcie_phy_instance_power_on(u3phy, instance);
- }
-
- return 0;
-}
-
-static int mt65xx_phy_power_off(struct phy *phy)
-{
- struct mt65xx_phy_instance *instance = phy_get_drvdata(phy);
- struct mt65xx_u3phy *u3phy = dev_get_drvdata(phy->dev.parent);
-
- if (instance->type == PHY_TYPE_USB2)
- u2_phy_instance_power_off(u3phy, instance);
- else if (instance->type == PHY_TYPE_PCIE)
- pcie_phy_instance_power_off(u3phy, instance);
-
- return 0;
-}
-
-static int mt65xx_phy_exit(struct phy *phy)
-{
- struct mt65xx_phy_instance *instance = phy_get_drvdata(phy);
- struct mt65xx_u3phy *u3phy = dev_get_drvdata(phy->dev.parent);
-
- if (instance->type == PHY_TYPE_USB2)
- u2_phy_instance_exit(u3phy, instance);
-
- clk_disable_unprepare(instance->ref_clk);
- clk_disable_unprepare(u3phy->u3phya_ref);
- return 0;
-}
-
-static struct phy *mt65xx_phy_xlate(struct device *dev,
- struct of_phandle_args *args)
-{
- struct mt65xx_u3phy *u3phy = dev_get_drvdata(dev);
- struct mt65xx_phy_instance *instance = NULL;
- struct device_node *phy_np = args->np;
- int index;
-
- if (args->args_count != 1) {
- dev_err(dev, "invalid number of cells in 'phy' property\n");
- return ERR_PTR(-EINVAL);
- }
-
- for (index = 0; index < u3phy->nphys; index++)
- if (phy_np == u3phy->phys[index]->phy->dev.of_node) {
- instance = u3phy->phys[index];
- break;
- }
-
- if (!instance) {
- dev_err(dev, "failed to find appropriate phy\n");
- return ERR_PTR(-EINVAL);
- }
-
- instance->type = args->args[0];
- if (!(instance->type == PHY_TYPE_USB2 ||
- instance->type == PHY_TYPE_USB3 ||
- instance->type == PHY_TYPE_PCIE ||
- instance->type == PHY_TYPE_SATA)) {
- dev_err(dev, "unsupported device type: %d\n", instance->type);
- return ERR_PTR(-EINVAL);
- }
-
- if (u3phy->pdata->version == MT_PHY_V1) {
- phy_v1_banks_init(u3phy, instance);
- } else if (u3phy->pdata->version == MT_PHY_V2) {
- phy_v2_banks_init(u3phy, instance);
- } else {
- dev_err(dev, "phy version is not supported\n");
- return ERR_PTR(-EINVAL);
- }
-
- return instance->phy;
-}
-
-static const struct phy_ops mt65xx_u3phy_ops = {
- .init = mt65xx_phy_init,
- .exit = mt65xx_phy_exit,
- .power_on = mt65xx_phy_power_on,
- .power_off = mt65xx_phy_power_off,
- .owner = THIS_MODULE,
-};
-
-static const struct mt65xx_phy_pdata tphy_v1_pdata = {
- .avoid_rx_sen_degradation = false,
- .version = MT_PHY_V1,
-};
-
-static const struct mt65xx_phy_pdata tphy_v2_pdata = {
- .avoid_rx_sen_degradation = false,
- .version = MT_PHY_V2,
-};
-
-static const struct mt65xx_phy_pdata mt8173_pdata = {
- .avoid_rx_sen_degradation = true,
- .version = MT_PHY_V1,
-};
-
-static const struct of_device_id mt65xx_u3phy_id_table[] = {
- { .compatible = "mediatek,mt2701-u3phy", .data = &tphy_v1_pdata },
- { .compatible = "mediatek,mt2712-u3phy", .data = &tphy_v2_pdata },
- { .compatible = "mediatek,mt8173-u3phy", .data = &mt8173_pdata },
- { .compatible = "mediatek,generic-tphy-v1", .data = &tphy_v1_pdata },
- { .compatible = "mediatek,generic-tphy-v2", .data = &tphy_v2_pdata },
- { },
-};
-MODULE_DEVICE_TABLE(of, mt65xx_u3phy_id_table);
-
-static int mt65xx_u3phy_probe(struct platform_device *pdev)
-{
- const struct of_device_id *match;
- struct device *dev = &pdev->dev;
- struct device_node *np = dev->of_node;
- struct device_node *child_np;
- struct phy_provider *provider;
- struct resource *sif_res;
- struct mt65xx_u3phy *u3phy;
- struct resource res;
- int port, retval;
-
- match = of_match_node(mt65xx_u3phy_id_table, pdev->dev.of_node);
- if (!match)
- return -EINVAL;
-
- u3phy = devm_kzalloc(dev, sizeof(*u3phy), GFP_KERNEL);
- if (!u3phy)
- return -ENOMEM;
-
- u3phy->pdata = match->data;
- u3phy->nphys = of_get_child_count(np);
- u3phy->phys = devm_kcalloc(dev, u3phy->nphys,
- sizeof(*u3phy->phys), GFP_KERNEL);
- if (!u3phy->phys)
- return -ENOMEM;
-
- u3phy->dev = dev;
- platform_set_drvdata(pdev, u3phy);
-
- if (u3phy->pdata->version == MT_PHY_V1) {
- /* get banks shared by multiple phys */
- sif_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- u3phy->sif_base = devm_ioremap_resource(dev, sif_res);
- if (IS_ERR(u3phy->sif_base)) {
- dev_err(dev, "failed to remap sif regs\n");
- return PTR_ERR(u3phy->sif_base);
- }
- }
-
- /* it's deprecated, make it optional for backward compatibility */
- u3phy->u3phya_ref = devm_clk_get(dev, "u3phya_ref");
- if (IS_ERR(u3phy->u3phya_ref)) {
- if (PTR_ERR(u3phy->u3phya_ref) == -EPROBE_DEFER)
- return -EPROBE_DEFER;
-
- u3phy->u3phya_ref = NULL;
- }
-
- port = 0;
- for_each_child_of_node(np, child_np) {
- struct mt65xx_phy_instance *instance;
- struct phy *phy;
-
- instance = devm_kzalloc(dev, sizeof(*instance), GFP_KERNEL);
- if (!instance) {
- retval = -ENOMEM;
- goto put_child;
- }
-
- u3phy->phys[port] = instance;
-
- phy = devm_phy_create(dev, child_np, &mt65xx_u3phy_ops);
- if (IS_ERR(phy)) {
- dev_err(dev, "failed to create phy\n");
- retval = PTR_ERR(phy);
- goto put_child;
- }
-
- retval = of_address_to_resource(child_np, 0, &res);
- if (retval) {
- dev_err(dev, "failed to get address resource(id-%d)\n",
- port);
- goto put_child;
- }
-
- instance->port_base = devm_ioremap_resource(&phy->dev, &res);
- if (IS_ERR(instance->port_base)) {
- dev_err(dev, "failed to remap phy regs\n");
- retval = PTR_ERR(instance->port_base);
- goto put_child;
- }
-
- instance->phy = phy;
- instance->index = port;
- phy_set_drvdata(phy, instance);
- port++;
-
- /* if deprecated clock is provided, ignore instance's one */
- if (u3phy->u3phya_ref)
- continue;
-
- instance->ref_clk = devm_clk_get(&phy->dev, "ref");
- if (IS_ERR(instance->ref_clk)) {
- dev_err(dev, "failed to get ref_clk(id-%d)\n", port);
- retval = PTR_ERR(instance->ref_clk);
- goto put_child;
- }
- }
-
- provider = devm_of_phy_provider_register(dev, mt65xx_phy_xlate);
-
- return PTR_ERR_OR_ZERO(provider);
-put_child:
- of_node_put(child_np);
- return retval;
-}
-
-static struct platform_driver mt65xx_u3phy_driver = {
- .probe = mt65xx_u3phy_probe,
- .driver = {
- .name = "mt65xx-u3phy",
- .of_match_table = mt65xx_u3phy_id_table,
- },
-};
-
-module_platform_driver(mt65xx_u3phy_driver);
-
-MODULE_AUTHOR("Chunfeng Yun <chunfeng.yun@mediatek.com>");
-MODULE_DESCRIPTION("mt65xx USB PHY driver");
-MODULE_LICENSE("GPL v2");
projects / GitHub / moto-9609 / android_kernel_motorola_exynos9610.git / commitdiff