arch/arm/mach-omap2/board-omap3stalker.c - kernel/msm-4.9 - Gitiles

 /*
  * linux/arch/arm/mach-omap2/board-omap3evm.c
  *
  * Copyright (C) 2008 Guangzhou EMA-Tech
  *
  * Modified from mach-omap2/board-omap3evm.c
  *
  * Initial code: Syed Mohammed Khasim
  *
  * 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/regulator/fixed.h>
 #include <linux/regulator/machine.h>
 #include <linux/i2c/twl.h>
 #include <linux/mmc/host.h>
 #include <linux/input/matrix_keypad.h>
 #include <linux/spi/spi.h>
 #include <linux/interrupt.h>
 #include <linux/smsc911x.h>
 #include <linux/platform_data/at24.h>
 #include <linux/usb/phy.h>

 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
 #include <asm/mach/map.h>
 #include <asm/mach/flash.h>

 #include "common.h"
 #include "gpmc.h"
 #include <linux/platform_data/mtd-nand-omap2.h>
 #include <video/omapdss.h>
 #include <video/omap-panel-data.h>

 #include <linux/platform_data/spi-omap2-mcspi.h>

 #include "sdram-micron-mt46h32m32lf-6.h"
 #include "mux.h"
 #include "hsmmc.h"
 #include "common-board-devices.h"

 #if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
 #include "gpmc-smsc911x.h"

 #define OMAP3STALKER_ETHR_START	0x2c000000
 #define OMAP3STALKER_ETHR_SIZE	1024
 #define OMAP3STALKER_ETHR_GPIO_IRQ	19
 #define OMAP3STALKER_SMC911X_CS	5

 static struct omap_smsc911x_platform_data smsc911x_cfg = {
 	.cs             = OMAP3STALKER_SMC911X_CS,
 	.gpio_irq       = OMAP3STALKER_ETHR_GPIO_IRQ,
 	.gpio_reset     = -EINVAL,
 	.flags		= (SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS),
 };

 static inline void __init omap3stalker_init_eth(void)
 {
 	omap_mux_init_gpio(19, OMAP_PIN_INPUT_PULLUP);
 	gpmc_smsc911x_init(&smsc911x_cfg);
 }

 #else
 static inline void __init omap3stalker_init_eth(void)
 {
 	return;
 }
 #endif

 /*
  * OMAP3 DSS control signals
  */

 #define DSS_ENABLE_GPIO	199
 #define LCD_PANEL_BKLIGHT_GPIO	210
 #define ENABLE_VPLL2_DEV_GRP	0xE0

 static void __init omap3_stalker_display_init(void)
 {
 	return;
 }
 static struct connector_dvi_platform_data omap3stalker_dvi_connector_pdata = {
 	.name                   = "dvi",
 	.source                 = "tfp410.0",
 	.i2c_bus_num            = -1,
 };

 static struct platform_device omap3stalker_dvi_connector_device = {
 	.name                   = "connector-dvi",
 	.id                     = 0,
 	.dev.platform_data      = &omap3stalker_dvi_connector_pdata,
 };

 static struct encoder_tfp410_platform_data omap3stalker_tfp410_pdata = {
 	.name                   = "tfp410.0",
 	.source                 = "dpi.0",
 	.data_lines             = 24,
 	.power_down_gpio        = DSS_ENABLE_GPIO,
 };

 static struct platform_device omap3stalker_tfp410_device = {
 	.name                   = "tfp410",
 	.id                     = 0,
 	.dev.platform_data      = &omap3stalker_tfp410_pdata,
 };

 static struct connector_atv_platform_data omap3stalker_tv_pdata = {
 	.name = "tv",
 	.source = "venc.0",
 	.connector_type = OMAP_DSS_VENC_TYPE_COMPOSITE,
 	.invert_polarity = false,
 };

 static struct platform_device omap3stalker_tv_connector_device = {
 	.name                   = "connector-analog-tv",
 	.id                     = 0,
 	.dev.platform_data      = &omap3stalker_tv_pdata,
 };

 static struct omap_dss_board_info omap3_stalker_dss_data = {
 	.default_display_name = "dvi",
 };

 static struct regulator_consumer_supply omap3stalker_vmmc1_supply[] = {
 	REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
 };

 static struct regulator_consumer_supply omap3stalker_vsim_supply[] = {
 	REGULATOR_SUPPLY("vmmc_aux", "omap_hsmmc.0"),
 };

 /* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
 static struct regulator_init_data omap3stalker_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(omap3stalker_vmmc1_supply),
 	.consumer_supplies	= omap3stalker_vmmc1_supply,
 };

 /* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */
 static struct regulator_init_data omap3stalker_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(omap3stalker_vsim_supply),
 	.consumer_supplies	= omap3stalker_vsim_supply,
 };

 static struct omap2_hsmmc_info mmc[] = {
 	{
 		.mmc		= 1,
 		.caps		= MMC_CAP_4_BIT_DATA,
 		.gpio_cd	= -EINVAL,
 		.gpio_wp	= 23,
 		.deferred	= true,
 	 },
 	{}			/* Terminator */
 };

 static struct gpio_keys_button gpio_buttons[] = {
 	{
 	 .code		= BTN_EXTRA,
 	 .gpio		= 18,
 	 .desc		= "user",
 	 .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,
 	},
 };

 static struct gpio_led gpio_leds[] = {
 	{
 	 .name			= "stalker:D8:usr0",
 	 .default_trigger	= "default-on",
 	 .gpio			= 126,
 	 },
 	{
 	 .name			= "stalker:D9:usr1",
 	 .default_trigger	= "default-on",
 	 .gpio			= 127,
 	 },
 	{
 	 .name			= "stalker:D3:mmc0",
 	 .gpio			= -EINVAL,	/* gets replaced */
 	 .active_low		= true,
 	 .default_trigger	= "mmc0",
 	 },
 	{
 	 .name			= "stalker:D4:heartbeat",
 	 .gpio			= -EINVAL,	/* gets replaced */
 	 .active_low		= true,
 	 .default_trigger	= "heartbeat",
 	 },
 };

 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 int
 omap3stalker_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);

 	/*
 	 * Most GPIOs are for USB OTG.  Some are mostly sent to
 	 * the P2 connector; notably LEDA for the LCD backlight.
 	 */

 	/* TWL4030_GPIO_MAX + 0 == ledA, LCD Backlight control */
 	gpio_request_one(gpio + TWL4030_GPIO_MAX, GPIOF_OUT_INIT_LOW,
 			 "EN_LCD_BKL");

 	/* gpio + 7 == DVI Enable */
 	gpio_request_one(gpio + 7, GPIOF_OUT_INIT_LOW, "EN_DVI");

 	/* TWL4030_GPIO_MAX + 1 == ledB (out, mmc0) */
 	gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
 	/* GPIO + 13 == ledsync (out, heartbeat) */
 	gpio_leds[3].gpio = gpio + 13;

 	platform_device_register(&leds_gpio);
 	return 0;
 }

 static struct twl4030_gpio_platform_data omap3stalker_gpio_data = {
 	.use_leds	= true,
 	.setup		= omap3stalker_twl_gpio_setup,
 };

 static uint32_t board_keymap[] = {
 	KEY(0, 0, KEY_LEFT),
 	KEY(0, 1, KEY_DOWN),
 	KEY(0, 2, KEY_ENTER),
 	KEY(0, 3, KEY_M),

 	KEY(1, 0, KEY_RIGHT),
 	KEY(1, 1, KEY_UP),
 	KEY(1, 2, KEY_I),
 	KEY(1, 3, KEY_N),

 	KEY(2, 0, KEY_A),
 	KEY(2, 1, KEY_E),
 	KEY(2, 2, KEY_J),
 	KEY(2, 3, KEY_O),

 	KEY(3, 0, KEY_B),
 	KEY(3, 1, KEY_F),
 	KEY(3, 2, KEY_K),
 	KEY(3, 3, KEY_P)
 };

 static struct matrix_keymap_data board_map_data = {
 	.keymap		= board_keymap,
 	.keymap_size	= ARRAY_SIZE(board_keymap),
 };

 static struct twl4030_keypad_data omap3stalker_kp_data = {
 	.keymap_data	= &board_map_data,
 	.rows		= 4,
 	.cols		= 4,
 	.rep		= 1,
 };

 static struct twl4030_platform_data omap3stalker_twldata = {
 	/* platform_data for children goes here */
 	.keypad		= &omap3stalker_kp_data,
 	.gpio		= &omap3stalker_gpio_data,
 	.vmmc1		= &omap3stalker_vmmc1,
 	.vsim		= &omap3stalker_vsim,
 };

 static struct at24_platform_data fram_info = {
 	.byte_len	= (64 * 1024) / 8,
 	.page_size	= 8192,
 	.flags		= AT24_FLAG_ADDR16 | AT24_FLAG_IRUGO,
 };

 static struct i2c_board_info __initdata omap3stalker_i2c_boardinfo3[] = {
 	{
 	 I2C_BOARD_INFO("24c64", 0x50),
 	 .flags		= I2C_CLIENT_WAKE,
 	 .platform_data	= &fram_info,
 	 },
 };

 static int __init omap3_stalker_i2c_init(void)
 {
 	omap3_pmic_get_config(&omap3stalker_twldata,
 			TWL_COMMON_PDATA_USB | TWL_COMMON_PDATA_MADC |
 			TWL_COMMON_PDATA_AUDIO,
 			TWL_COMMON_REGULATOR_VDAC | TWL_COMMON_REGULATOR_VPLL2);

 	omap3stalker_twldata.vdac->constraints.apply_uV = true;
 	omap3stalker_twldata.vpll2->constraints.apply_uV = true;
 	omap3stalker_twldata.vpll2->constraints.name = "VDVI";

 	omap3_pmic_init("twl4030", &omap3stalker_twldata);
 	omap_register_i2c_bus(2, 400, NULL, 0);
 	omap_register_i2c_bus(3, 400, omap3stalker_i2c_boardinfo3,
 			      ARRAY_SIZE(omap3stalker_i2c_boardinfo3));
 	return 0;
 }

 #define OMAP3_STALKER_TS_GPIO	175

 static struct usbhs_phy_data phy_data[] __initdata = {
 	{
 		.port = 2,
 		.reset_gpio = 21,
 		.vcc_gpio = -EINVAL,
 	},
 };

 static struct platform_device *omap3_stalker_devices[] __initdata = {
 	&keys_gpio,
 	&omap3stalker_tfp410_device,
 	&omap3stalker_dvi_connector_device,
 	&omap3stalker_tv_connector_device,
 };

 static struct usbhs_omap_platform_data usbhs_bdata __initdata = {
 	.port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
 };

 #ifdef CONFIG_OMAP_MUX
 static struct omap_board_mux board_mux[] __initdata = {
 	OMAP3_MUX(SYS_NIRQ, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP |
 		  OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_WAKEUPENABLE),
 	OMAP3_MUX(MCSPI1_CS1, OMAP_MUX_MODE4 | OMAP_PIN_INPUT_PULLUP |
 		  OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_WAKEUPENABLE),
 	{.reg_offset = OMAP_MUX_TERMINATOR},
 };
 #endif

 static struct regulator_consumer_supply dummy_supplies[] = {
 	REGULATOR_SUPPLY("vddvario", "smsc911x.0"),
 	REGULATOR_SUPPLY("vdd33a", "smsc911x.0"),
 };

 static void __init omap3_stalker_init(void)
 {
 	regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));
 	omap3_mux_init(board_mux, OMAP_PACKAGE_CUS);

 	omap_mux_init_gpio(23, OMAP_PIN_INPUT);
 	omap_hsmmc_init(mmc);

 	omap3_stalker_i2c_init();

 	platform_add_devices(omap3_stalker_devices,
 			     ARRAY_SIZE(omap3_stalker_devices));

 	omap_display_init(&omap3_stalker_dss_data);

 	omap_serial_init();
 	omap_sdrc_init(mt46h32m32lf6_sdrc_params, NULL);
 	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);
 	omap_ads7846_init(1, OMAP3_STALKER_TS_GPIO, 310, NULL);

 	omap_mux_init_gpio(21, OMAP_PIN_OUTPUT);
 	omap_mux_init_gpio(18, OMAP_PIN_INPUT_PULLUP);

 	omap3stalker_init_eth();
 	omap3_stalker_display_init();
 /* Ensure SDRC pins are mux'd for self-refresh */
 	omap_mux_init_signal("sdr_cke0", OMAP_PIN_OUTPUT);
 	omap_mux_init_signal("sdr_cke1", OMAP_PIN_OUTPUT);
 }

 MACHINE_START(SBC3530, "OMAP3 STALKER")
 	/* Maintainer: Jason Lam -lzg@ema-tech.com */
 	.atag_offset		= 0x100,
 	.map_io			= omap3_map_io,
 	.init_early		= omap35xx_init_early,
 	.init_irq		= omap3_init_irq,
 	.handle_irq		= omap3_intc_handle_irq,
 	.init_machine		= omap3_stalker_init,
 	.init_late		= omap35xx_init_late,
 	.init_time		= omap3_secure_sync32k_timer_init,
 	.restart		= omap3xxx_restart,
 MACHINE_END
	/*
	* linux/arch/arm/mach-omap2/board-omap3evm.c
	*
	* Copyright (C) 2008 Guangzhou EMA-Tech
	*
	* Modified from mach-omap2/board-omap3evm.c
	*
	* Initial code: Syed Mohammed Khasim
	*
	* 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/regulator/fixed.h>
	#include <linux/regulator/machine.h>
	#include <linux/i2c/twl.h>
	#include <linux/mmc/host.h>
	#include <linux/input/matrix_keypad.h>
	#include <linux/spi/spi.h>
	#include <linux/interrupt.h>
	#include <linux/smsc911x.h>
	#include <linux/platform_data/at24.h>
	#include <linux/usb/phy.h>

	#include <asm/mach-types.h>
	#include <asm/mach/arch.h>
	#include <asm/mach/map.h>
	#include <asm/mach/flash.h>

	#include "common.h"
	#include "gpmc.h"
	#include <linux/platform_data/mtd-nand-omap2.h>
	#include <video/omapdss.h>
	#include <video/omap-panel-data.h>

	#include <linux/platform_data/spi-omap2-mcspi.h>

	#include "sdram-micron-mt46h32m32lf-6.h"
	#include "mux.h"
	#include "hsmmc.h"
	#include "common-board-devices.h"

	#if defined(CONFIG_SMSC911X) \|\| defined(CONFIG_SMSC911X_MODULE)
	#include "gpmc-smsc911x.h"

	#define OMAP3STALKER_ETHR_START 0x2c000000
	#define OMAP3STALKER_ETHR_SIZE 1024
	#define OMAP3STALKER_ETHR_GPIO_IRQ 19
	#define OMAP3STALKER_SMC911X_CS 5

	static struct omap_smsc911x_platform_data smsc911x_cfg = {
	.cs = OMAP3STALKER_SMC911X_CS,
	.gpio_irq = OMAP3STALKER_ETHR_GPIO_IRQ,
	.gpio_reset = -EINVAL,
	.flags = (SMSC911X_USE_32BIT \| SMSC911X_SAVE_MAC_ADDRESS),
	};

	static inline void __init omap3stalker_init_eth(void)
	{
	omap_mux_init_gpio(19, OMAP_PIN_INPUT_PULLUP);
	gpmc_smsc911x_init(&smsc911x_cfg);
	}

	#else
	static inline void __init omap3stalker_init_eth(void)
	{
	return;
	}
	#endif

	/*
	* OMAP3 DSS control signals
	*/

	#define DSS_ENABLE_GPIO 199
	#define LCD_PANEL_BKLIGHT_GPIO 210
	#define ENABLE_VPLL2_DEV_GRP 0xE0

	static void __init omap3_stalker_display_init(void)
	{
	return;
	}
	static struct connector_dvi_platform_data omap3stalker_dvi_connector_pdata = {
	.name = "dvi",
	.source = "tfp410.0",
	.i2c_bus_num = -1,
	};

	static struct platform_device omap3stalker_dvi_connector_device = {
	.name = "connector-dvi",
	.id = 0,
	.dev.platform_data = &omap3stalker_dvi_connector_pdata,
	};

	static struct encoder_tfp410_platform_data omap3stalker_tfp410_pdata = {
	.name = "tfp410.0",
	.source = "dpi.0",
	.data_lines = 24,
	.power_down_gpio = DSS_ENABLE_GPIO,
	};

	static struct platform_device omap3stalker_tfp410_device = {
	.name = "tfp410",
	.id = 0,
	.dev.platform_data = &omap3stalker_tfp410_pdata,
	};

	static struct connector_atv_platform_data omap3stalker_tv_pdata = {
	.name = "tv",
	.source = "venc.0",
	.connector_type = OMAP_DSS_VENC_TYPE_COMPOSITE,
	.invert_polarity = false,
	};

	static struct platform_device omap3stalker_tv_connector_device = {
	.name = "connector-analog-tv",
	.id = 0,
	.dev.platform_data = &omap3stalker_tv_pdata,
	};

	static struct omap_dss_board_info omap3_stalker_dss_data = {
	.default_display_name = "dvi",
	};

	static struct regulator_consumer_supply omap3stalker_vmmc1_supply[] = {
	REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
	};

	static struct regulator_consumer_supply omap3stalker_vsim_supply[] = {
	REGULATOR_SUPPLY("vmmc_aux", "omap_hsmmc.0"),
	};

	/* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
	static struct regulator_init_data omap3stalker_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(omap3stalker_vmmc1_supply),
	.consumer_supplies = omap3stalker_vmmc1_supply,
	};

	/* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */
	static struct regulator_init_data omap3stalker_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(omap3stalker_vsim_supply),
	.consumer_supplies = omap3stalker_vsim_supply,
	};

	static struct omap2_hsmmc_info mmc[] = {
	{
	.mmc = 1,
	.caps = MMC_CAP_4_BIT_DATA,
	.gpio_cd = -EINVAL,
	.gpio_wp = 23,
	.deferred = true,
	},
	{} /* Terminator */
	};

	static struct gpio_keys_button gpio_buttons[] = {
	{
	.code = BTN_EXTRA,
	.gpio = 18,
	.desc = "user",
	.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,
	},
	};

	static struct gpio_led gpio_leds[] = {
	{
	.name = "stalker:D8:usr0",
	.default_trigger = "default-on",
	.gpio = 126,
	},
	{
	.name = "stalker:D9:usr1",
	.default_trigger = "default-on",
	.gpio = 127,
	},
	{
	.name = "stalker:D3:mmc0",
	.gpio = -EINVAL, /* gets replaced */
	.active_low = true,
	.default_trigger = "mmc0",
	},
	{
	.name = "stalker:D4:heartbeat",
	.gpio = -EINVAL, /* gets replaced */
	.active_low = true,
	.default_trigger = "heartbeat",
	},
	};

	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 int
	omap3stalker_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);

	/*
	* Most GPIOs are for USB OTG. Some are mostly sent to
	* the P2 connector; notably LEDA for the LCD backlight.
	*/

	/* TWL4030_GPIO_MAX + 0 == ledA, LCD Backlight control */
	gpio_request_one(gpio + TWL4030_GPIO_MAX, GPIOF_OUT_INIT_LOW,
	"EN_LCD_BKL");

	/* gpio + 7 == DVI Enable */
	gpio_request_one(gpio + 7, GPIOF_OUT_INIT_LOW, "EN_DVI");

	/* TWL4030_GPIO_MAX + 1 == ledB (out, mmc0) */
	gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
	/* GPIO + 13 == ledsync (out, heartbeat) */
	gpio_leds[3].gpio = gpio + 13;

	platform_device_register(&leds_gpio);
	return 0;
	}

	static struct twl4030_gpio_platform_data omap3stalker_gpio_data = {
	.use_leds = true,
	.setup = omap3stalker_twl_gpio_setup,
	};

	static uint32_t board_keymap[] = {
	KEY(0, 0, KEY_LEFT),
	KEY(0, 1, KEY_DOWN),
	KEY(0, 2, KEY_ENTER),
	KEY(0, 3, KEY_M),

	KEY(1, 0, KEY_RIGHT),
	KEY(1, 1, KEY_UP),
	KEY(1, 2, KEY_I),
	KEY(1, 3, KEY_N),

	KEY(2, 0, KEY_A),
	KEY(2, 1, KEY_E),
	KEY(2, 2, KEY_J),
	KEY(2, 3, KEY_O),

	KEY(3, 0, KEY_B),
	KEY(3, 1, KEY_F),
	KEY(3, 2, KEY_K),
	KEY(3, 3, KEY_P)
	};

	static struct matrix_keymap_data board_map_data = {
	.keymap = board_keymap,
	.keymap_size = ARRAY_SIZE(board_keymap),
	};

	static struct twl4030_keypad_data omap3stalker_kp_data = {
	.keymap_data = &board_map_data,
	.rows = 4,
	.cols = 4,
	.rep = 1,
	};

	static struct twl4030_platform_data omap3stalker_twldata = {
	/* platform_data for children goes here */
	.keypad = &omap3stalker_kp_data,
	.gpio = &omap3stalker_gpio_data,
	.vmmc1 = &omap3stalker_vmmc1,
	.vsim = &omap3stalker_vsim,
	};

	static struct at24_platform_data fram_info = {
	.byte_len = (64 * 1024) / 8,
	.page_size = 8192,
	.flags = AT24_FLAG_ADDR16 \| AT24_FLAG_IRUGO,
	};

	static struct i2c_board_info __initdata omap3stalker_i2c_boardinfo3[] = {
	{
	I2C_BOARD_INFO("24c64", 0x50),
	.flags = I2C_CLIENT_WAKE,
	.platform_data = &fram_info,
	},
	};

	static int __init omap3_stalker_i2c_init(void)
	{
	omap3_pmic_get_config(&omap3stalker_twldata,
	TWL_COMMON_PDATA_USB \| TWL_COMMON_PDATA_MADC \|
	TWL_COMMON_PDATA_AUDIO,
	TWL_COMMON_REGULATOR_VDAC \| TWL_COMMON_REGULATOR_VPLL2);

	omap3stalker_twldata.vdac->constraints.apply_uV = true;
	omap3stalker_twldata.vpll2->constraints.apply_uV = true;
	omap3stalker_twldata.vpll2->constraints.name = "VDVI";

	omap3_pmic_init("twl4030", &omap3stalker_twldata);
	omap_register_i2c_bus(2, 400, NULL, 0);
	omap_register_i2c_bus(3, 400, omap3stalker_i2c_boardinfo3,
	ARRAY_SIZE(omap3stalker_i2c_boardinfo3));
	return 0;
	}

	#define OMAP3_STALKER_TS_GPIO 175

	static struct usbhs_phy_data phy_data[] __initdata = {
	{
	.port = 2,
	.reset_gpio = 21,
	.vcc_gpio = -EINVAL,
	},
	};

	static struct platform_device *omap3_stalker_devices[] __initdata = {
	&keys_gpio,
	&omap3stalker_tfp410_device,
	&omap3stalker_dvi_connector_device,
	&omap3stalker_tv_connector_device,
	};

	static struct usbhs_omap_platform_data usbhs_bdata __initdata = {
	.port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
	};

	#ifdef CONFIG_OMAP_MUX
	static struct omap_board_mux board_mux[] __initdata = {
	OMAP3_MUX(SYS_NIRQ, OMAP_MUX_MODE0 \| OMAP_PIN_INPUT_PULLUP \|
	OMAP_PIN_OFF_INPUT_PULLUP \| OMAP_PIN_OFF_WAKEUPENABLE),
	OMAP3_MUX(MCSPI1_CS1, OMAP_MUX_MODE4 \| OMAP_PIN_INPUT_PULLUP \|
	OMAP_PIN_OFF_INPUT_PULLUP \| OMAP_PIN_OFF_WAKEUPENABLE),
	{.reg_offset = OMAP_MUX_TERMINATOR},
	};
	#endif

	static struct regulator_consumer_supply dummy_supplies[] = {
	REGULATOR_SUPPLY("vddvario", "smsc911x.0"),
	REGULATOR_SUPPLY("vdd33a", "smsc911x.0"),
	};

	static void __init omap3_stalker_init(void)
	{
	regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));
	omap3_mux_init(board_mux, OMAP_PACKAGE_CUS);

	omap_mux_init_gpio(23, OMAP_PIN_INPUT);
	omap_hsmmc_init(mmc);

	omap3_stalker_i2c_init();

	platform_add_devices(omap3_stalker_devices,
	ARRAY_SIZE(omap3_stalker_devices));

	omap_display_init(&omap3_stalker_dss_data);

	omap_serial_init();
	omap_sdrc_init(mt46h32m32lf6_sdrc_params, NULL);
	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);
	omap_ads7846_init(1, OMAP3_STALKER_TS_GPIO, 310, NULL);

	omap_mux_init_gpio(21, OMAP_PIN_OUTPUT);
	omap_mux_init_gpio(18, OMAP_PIN_INPUT_PULLUP);

	omap3stalker_init_eth();
	omap3_stalker_display_init();
	/* Ensure SDRC pins are mux'd for self-refresh */
	omap_mux_init_signal("sdr_cke0", OMAP_PIN_OUTPUT);
	omap_mux_init_signal("sdr_cke1", OMAP_PIN_OUTPUT);
	}

	MACHINE_START(SBC3530, "OMAP3 STALKER")
	/* Maintainer: Jason Lam -lzg@ema-tech.com */
	.atag_offset = 0x100,
	.map_io = omap3_map_io,
	.init_early = omap35xx_init_early,
	.init_irq = omap3_init_irq,
	.handle_irq = omap3_intc_handle_irq,
	.init_machine = omap3_stalker_init,
	.init_late = omap35xx_init_late,
	.init_time = omap3_secure_sync32k_timer_init,
	.restart = omap3xxx_restart,
	MACHINE_END