arch/arm/mach-omap2/board-omap3touchbook.c - kernel/msm-5.4 - Gitiles

 /*
  * 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 <plat/mcspi.h>
 #include <linux/spi/spi.h>

 #include <linux/spi/ads7846.h>

 #include <linux/regulator/machine.h>
 #include <linux/i2c/twl.h>

 #include <mach/hardware.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 <plat/board.h>
 #include "common.h"
 #include <plat/gpmc.h>
 #include <plat/nand.h>
 #include <plat/usb.h>

 #include "mux.h"
 #include "hsmmc.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

 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 = {
 	.gpio_base	= OMAP_MAX_GPIO_LINES,
 	.irq_base	= TWL4030_GPIO_IRQ_BASE,
 	.irq_end	= TWL4030_GPIO_IRQ_END,
 	.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 platform_device *omap3_touchbook_devices[] __initdata = {
 	&leds_gpio,
 	&keys_gpio,
 };

 static const struct usbhs_omap_board_data usbhs_bdata __initconst = {

 	.port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
 	.port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
 	.port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,

 	.phy_reset  = true,
 	.reset_gpio_port[0]  = -EINVAL,
 	.reset_gpio_port[1]  = 147,
 	.reset_gpio_port[2]  = -EINVAL
 };

 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 strict_strtoul(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_musb_init(NULL);
 	usbhs_init(&usbhs_bdata);
 	omap_nand_flash_init(NAND_BUSWIDTH_16, omap3touchbook_nand_partitions,
 			     ARRAY_SIZE(omap3touchbook_nand_partitions));

 	/* 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,
 	.handle_irq	= omap3_intc_handle_irq,
 	.init_machine	= omap3_touchbook_init,
 	.init_late	= omap3430_init_late,
 	.timer		= &omap3_secure_timer,
 	.restart	= omap_prcm_restart,
 MACHINE_END
	/*
	* 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 <plat/mcspi.h>
	#include <linux/spi/spi.h>

	#include <linux/spi/ads7846.h>

	#include <linux/regulator/machine.h>
	#include <linux/i2c/twl.h>

	#include <mach/hardware.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 <plat/board.h>
	#include "common.h"
	#include <plat/gpmc.h>
	#include <plat/nand.h>
	#include <plat/usb.h>

	#include "mux.h"
	#include "hsmmc.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

	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 = {
	.gpio_base = OMAP_MAX_GPIO_LINES,
	.irq_base = TWL4030_GPIO_IRQ_BASE,
	.irq_end = TWL4030_GPIO_IRQ_END,
	.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 platform_device *omap3_touchbook_devices[] __initdata = {
	&leds_gpio,
	&keys_gpio,
	};

	static const struct usbhs_omap_board_data usbhs_bdata __initconst = {

	.port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
	.port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
	.port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,

	.phy_reset = true,
	.reset_gpio_port[0] = -EINVAL,
	.reset_gpio_port[1] = 147,
	.reset_gpio_port[2] = -EINVAL
	};

	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 strict_strtoul(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_musb_init(NULL);
	usbhs_init(&usbhs_bdata);
	omap_nand_flash_init(NAND_BUSWIDTH_16, omap3touchbook_nand_partitions,
	ARRAY_SIZE(omap3touchbook_nand_partitions));

	/* 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,
	.handle_irq = omap3_intc_handle_irq,
	.init_machine = omap3_touchbook_init,
	.init_late = omap3430_init_late,
	.timer = &omap3_secure_timer,
	.restart = omap_prcm_restart,
	MACHINE_END