+++ /dev/null
-/*
- * linux/arch/arm/mach-omap2/board-omap3touchbook.c
- *
- * Copyright (C) 2009 Always Innovating
- *
- * Modified from mach-omap2/board-omap3beagleboard.c
- *
- * Initial code: Grégoire Gentil, Tim Yamin
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/platform_device.h>
-#include <linux/delay.h>
-#include <linux/err.h>
-#include <linux/clk.h>
-#include <linux/io.h>
-#include <linux/leds.h>
-#include <linux/gpio.h>
-#include <linux/input.h>
-#include <linux/gpio_keys.h>
-
-#include <linux/mtd/mtd.h>
-#include <linux/mtd/partitions.h>
-#include <linux/mtd/nand.h>
-#include <linux/mmc/host.h>
-#include <linux/usb/phy.h>
-
-#include <linux/platform_data/spi-omap2-mcspi.h>
-#include <linux/spi/spi.h>
-
-#include <linux/spi/ads7846.h>
-
-#include <linux/regulator/machine.h>
-#include <linux/i2c/twl.h>
-
-#include <asm/mach-types.h>
-#include <asm/mach/arch.h>
-#include <asm/mach/map.h>
-#include <asm/mach/flash.h>
-#include <asm/system_info.h>
-
-#include "common.h"
-#include "gpmc.h"
-#include <linux/platform_data/mtd-nand-omap2.h>
-
-#include "mux.h"
-#include "hsmmc.h"
-#include "board-flash.h"
-#include "common-board-devices.h"
-
-#include <asm/setup.h>
-
-#define OMAP3_AC_GPIO 136
-#define OMAP3_TS_GPIO 162
-#define TB_BL_PWM_TIMER 9
-#define TB_KILL_POWER_GPIO 168
-
-#define NAND_CS 0
-
-static unsigned long touchbook_revision;
-
-static struct mtd_partition omap3touchbook_nand_partitions[] = {
- /* All the partition sizes are listed in terms of NAND block size */
- {
- .name = "X-Loader",
- .offset = 0,
- .size = 4 * NAND_BLOCK_SIZE,
- .mask_flags = MTD_WRITEABLE, /* force read-only */
- },
- {
- .name = "U-Boot",
- .offset = MTDPART_OFS_APPEND, /* Offset = 0x80000 */
- .size = 15 * NAND_BLOCK_SIZE,
- .mask_flags = MTD_WRITEABLE, /* force read-only */
- },
- {
- .name = "U-Boot Env",
- .offset = MTDPART_OFS_APPEND, /* Offset = 0x260000 */
- .size = 1 * NAND_BLOCK_SIZE,
- },
- {
- .name = "Kernel",
- .offset = MTDPART_OFS_APPEND, /* Offset = 0x280000 */
- .size = 32 * NAND_BLOCK_SIZE,
- },
- {
- .name = "File System",
- .offset = MTDPART_OFS_APPEND, /* Offset = 0x680000 */
- .size = MTDPART_SIZ_FULL,
- },
-};
-
-#include "sdram-micron-mt46h32m32lf-6.h"
-
-static struct omap2_hsmmc_info mmc[] = {
- {
- .mmc = 1,
- .caps = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
- .gpio_wp = 29,
- .deferred = true,
- },
- {} /* Terminator */
-};
-
-static struct regulator_consumer_supply touchbook_vmmc1_supply[] = {
- REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
-};
-
-static struct regulator_consumer_supply touchbook_vsim_supply[] = {
- REGULATOR_SUPPLY("vmmc_aux", "omap_hsmmc.0"),
-};
-
-static struct gpio_led gpio_leds[];
-
-static int touchbook_twl_gpio_setup(struct device *dev,
- unsigned gpio, unsigned ngpio)
-{
- /* gpio + 0 is "mmc0_cd" (input/IRQ) */
- mmc[0].gpio_cd = gpio + 0;
- omap_hsmmc_late_init(mmc);
-
- /* REVISIT: need ehci-omap hooks for external VBUS
- * power switch and overcurrent detect
- */
- gpio_request_one(gpio + 1, GPIOF_IN, "EHCI_nOC");
-
- /* TWL4030_GPIO_MAX + 0 == ledA, EHCI nEN_USB_PWR (out, active low) */
- gpio_request_one(gpio + TWL4030_GPIO_MAX, GPIOF_OUT_INIT_LOW,
- "nEN_USB_PWR");
-
- /* TWL4030_GPIO_MAX + 1 == ledB, PMU_STAT (out, active low LED) */
- gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
-
- return 0;
-}
-
-static struct twl4030_gpio_platform_data touchbook_gpio_data = {
- .use_leds = true,
- .pullups = BIT(1),
- .pulldowns = BIT(2) | BIT(6) | BIT(7) | BIT(8) | BIT(13)
- | BIT(15) | BIT(16) | BIT(17),
- .setup = touchbook_twl_gpio_setup,
-};
-
-static struct regulator_consumer_supply touchbook_vdac_supply[] = {
-{
- .supply = "vdac",
-},
-};
-
-static struct regulator_consumer_supply touchbook_vdvi_supply[] = {
-{
- .supply = "vdvi",
-},
-};
-
-/* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
-static struct regulator_init_data touchbook_vmmc1 = {
- .constraints = {
- .min_uV = 1850000,
- .max_uV = 3150000,
- .valid_modes_mask = REGULATOR_MODE_NORMAL
- | REGULATOR_MODE_STANDBY,
- .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
- | REGULATOR_CHANGE_MODE
- | REGULATOR_CHANGE_STATUS,
- },
- .num_consumer_supplies = ARRAY_SIZE(touchbook_vmmc1_supply),
- .consumer_supplies = touchbook_vmmc1_supply,
-};
-
-/* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */
-static struct regulator_init_data touchbook_vsim = {
- .constraints = {
- .min_uV = 1800000,
- .max_uV = 3000000,
- .valid_modes_mask = REGULATOR_MODE_NORMAL
- | REGULATOR_MODE_STANDBY,
- .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
- | REGULATOR_CHANGE_MODE
- | REGULATOR_CHANGE_STATUS,
- },
- .num_consumer_supplies = ARRAY_SIZE(touchbook_vsim_supply),
- .consumer_supplies = touchbook_vsim_supply,
-};
-
-static struct twl4030_platform_data touchbook_twldata = {
- /* platform_data for children goes here */
- .gpio = &touchbook_gpio_data,
- .vmmc1 = &touchbook_vmmc1,
- .vsim = &touchbook_vsim,
-};
-
-static struct i2c_board_info __initdata touchBook_i2c_boardinfo[] = {
- {
- I2C_BOARD_INFO("bq27200", 0x55),
- },
-};
-
-static int __init omap3_touchbook_i2c_init(void)
-{
- /* Standard TouchBook bus */
- omap3_pmic_get_config(&touchbook_twldata,
- TWL_COMMON_PDATA_USB | TWL_COMMON_PDATA_AUDIO,
- TWL_COMMON_REGULATOR_VDAC | TWL_COMMON_REGULATOR_VPLL2);
-
- touchbook_twldata.vdac->num_consumer_supplies =
- ARRAY_SIZE(touchbook_vdac_supply);
- touchbook_twldata.vdac->consumer_supplies = touchbook_vdac_supply;
-
- touchbook_twldata.vpll2->constraints.name = "VDVI";
- touchbook_twldata.vpll2->num_consumer_supplies =
- ARRAY_SIZE(touchbook_vdvi_supply);
- touchbook_twldata.vpll2->consumer_supplies = touchbook_vdvi_supply;
-
- omap3_pmic_init("twl4030", &touchbook_twldata);
- /* Additional TouchBook bus */
- omap_register_i2c_bus(3, 100, touchBook_i2c_boardinfo,
- ARRAY_SIZE(touchBook_i2c_boardinfo));
-
- return 0;
-}
-
-static struct ads7846_platform_data ads7846_pdata = {
- .x_min = 100,
- .y_min = 265,
- .x_max = 3950,
- .y_max = 3750,
- .x_plate_ohms = 40,
- .pressure_max = 255,
- .debounce_max = 10,
- .debounce_tol = 5,
- .debounce_rep = 1,
- .gpio_pendown = OMAP3_TS_GPIO,
- .keep_vref_on = 1,
-};
-
-static struct gpio_led gpio_leds[] = {
- {
- .name = "touchbook::usr0",
- .default_trigger = "heartbeat",
- .gpio = 150,
- },
- {
- .name = "touchbook::usr1",
- .default_trigger = "mmc0",
- .gpio = 149,
- },
- {
- .name = "touchbook::pmu_stat",
- .gpio = -EINVAL, /* gets replaced */
- .active_low = true,
- },
-};
-
-static struct gpio_led_platform_data gpio_led_info = {
- .leds = gpio_leds,
- .num_leds = ARRAY_SIZE(gpio_leds),
-};
-
-static struct platform_device leds_gpio = {
- .name = "leds-gpio",
- .id = -1,
- .dev = {
- .platform_data = &gpio_led_info,
- },
-};
-
-static struct gpio_keys_button gpio_buttons[] = {
- {
- .code = BTN_EXTRA,
- .gpio = 7,
- .desc = "user",
- .wakeup = 1,
- },
- {
- .code = KEY_POWER,
- .gpio = 183,
- .desc = "power",
- .wakeup = 1,
- },
-};
-
-static struct gpio_keys_platform_data gpio_key_info = {
- .buttons = gpio_buttons,
- .nbuttons = ARRAY_SIZE(gpio_buttons),
-};
-
-static struct platform_device keys_gpio = {
- .name = "gpio-keys",
- .id = -1,
- .dev = {
- .platform_data = &gpio_key_info,
- },
-};
-
-#ifdef CONFIG_OMAP_MUX
-static struct omap_board_mux board_mux[] __initdata = {
- { .reg_offset = OMAP_MUX_TERMINATOR },
-};
-#endif
-
-static struct usbhs_phy_data phy_data[] __initdata = {
- {
- .port = 2,
- .reset_gpio = 147,
- .vcc_gpio = -EINVAL,
- },
-};
-
-static struct platform_device *omap3_touchbook_devices[] __initdata = {
- &leds_gpio,
- &keys_gpio,
-};
-
-static struct usbhs_omap_platform_data usbhs_bdata __initdata = {
- .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
- .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
-};
-
-static void omap3_touchbook_poweroff(void)
-{
- int pwr_off = TB_KILL_POWER_GPIO;
-
- if (gpio_request_one(pwr_off, GPIOF_OUT_INIT_LOW, "DVI reset") < 0)
- printk(KERN_ERR "Unable to get kill power GPIO\n");
-}
-
-static int __init early_touchbook_revision(char *p)
-{
- if (!p)
- return 0;
-
- return kstrtoul(p, 10, &touchbook_revision);
-}
-early_param("tbr", early_touchbook_revision);
-
-static void __init omap3_touchbook_init(void)
-{
- omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
-
- pm_power_off = omap3_touchbook_poweroff;
-
- if (system_rev >= 0x20 && system_rev <= 0x34301000) {
- omap_mux_init_gpio(23, OMAP_PIN_INPUT);
- mmc[0].gpio_wp = 23;
- } else {
- omap_mux_init_gpio(29, OMAP_PIN_INPUT);
- }
- omap_hsmmc_init(mmc);
-
- omap3_touchbook_i2c_init();
- platform_add_devices(omap3_touchbook_devices,
- ARRAY_SIZE(omap3_touchbook_devices));
- omap_serial_init();
- omap_sdrc_init(mt46h32m32lf6_sdrc_params,
- mt46h32m32lf6_sdrc_params);
-
- omap_mux_init_gpio(170, OMAP_PIN_INPUT);
- /* REVISIT leave DVI powered down until it's needed ... */
- gpio_request_one(176, GPIOF_OUT_INIT_HIGH, "DVI_nPD");
-
- /* Touchscreen and accelerometer */
- omap_ads7846_init(4, OMAP3_TS_GPIO, 310, &ads7846_pdata);
- usb_bind_phy("musb-hdrc.0.auto", 0, "twl4030_usb");
- usb_musb_init(NULL);
-
- usbhs_init_phys(phy_data, ARRAY_SIZE(phy_data));
- usbhs_init(&usbhs_bdata);
- board_nand_init(omap3touchbook_nand_partitions,
- ARRAY_SIZE(omap3touchbook_nand_partitions), NAND_CS,
- NAND_BUSWIDTH_16, NULL);
-
- /* Ensure SDRC pins are mux'd for self-refresh */
- omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT);
- omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT);
-}
-
-MACHINE_START(TOUCHBOOK, "OMAP3 touchbook Board")
- /* Maintainer: Gregoire Gentil - http://www.alwaysinnovating.com */
- .atag_offset = 0x100,
- .reserve = omap_reserve,
- .map_io = omap3_map_io,
- .init_early = omap3430_init_early,
- .init_irq = omap3_init_irq,
- .init_machine = omap3_touchbook_init,
- .init_late = omap3430_init_late,
- .init_time = omap3_secure_sync32k_timer_init,
- .restart = omap3xxx_restart,
-MACHINE_END