arch/arm/mach-omap2/board-4430sdp.c

/*
 * Board support file for OMAP4430 SDP.
 *
 * Copyright (C) 2009 Texas Instruments
 *
 * Author: Santosh Shilimkar <santosh.shilimkar@ti.com>
 *
 * Based on mach-omap2/board-3430sdp.c
 *
 * 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/io.h>
#include <linux/gpio.h>
#include <linux/usb/otg.h>
#include <linux/spi/spi.h>
#include <linux/i2c/twl.h>
#include <linux/gpio_keys.h>
#include <linux/regulator/machine.h>
#include <linux/regulator/fixed.h>
#include <linux/leds.h>
#include <linux/leds_pwm.h>
#include <linux/wl12xx.h>
#include <linux/netdevice.h>
#include <linux/if_ether.h>
#include <linux/ti_wilink_st.h>

#include <mach/hardware.h>
#include <mach/omap4-common.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>

#include <plat/board.h>
#include <plat/common.h>
#include <plat/usb.h>
#include <plat/mmc.h>
#include <plat/omap4-keypad.h>
#include <plat/dma-44xx.h>
#include <video/omapdss.h>
#include <video/omap-panel-nokia-dsi.h>
#include <video/omap-panel-picodlp.h>
#include <linux/wl12xx.h>

#include "board-blaze.h"
#include "mux.h"
#include "control.h"
#include "hsmmc.h"
#include "control.h"
#include "common-board-devices.h"
#include "pm.h"

#define ETH_KS8851_IRQ			34
#define ETH_KS8851_POWER_ON		48
#define ETH_KS8851_QUART		138
#define OMAP4_SFH7741_SENSOR_OUTPUT_GPIO	184
#define OMAP4_SFH7741_ENABLE_GPIO		188
#define HDMI_GPIO_HPD 60 /* Hot plug pin for HDMI */
#define HDMI_GPIO_LS_OE 41 /* Level shifter for HDMI */
#define DLP_POWER_ON_GPIO	40
#define LCD_BL_GPIO		27	/* LCD Backlight GPIO */
/* PWM2 and TOGGLE3 register offsets */
#define LED_PWM2ON		0x03
#define LED_PWM2OFF		0x04
#define TWL6030_TOGGLE3		0x92
#define DISPLAY_SEL_GPIO	59	/* LCD2/PicoDLP switch */

#define GPIO_WIFI_PMENA		54
#define GPIO_WIFI_IRQ		53

#define TPS62361_GPIO   7

static const int sdp4430_keymap[] = {
	KEY(0, 0, KEY_E),
	KEY(0, 1, KEY_R),
	KEY(0, 2, KEY_T),
	KEY(0, 3, KEY_HOME),
	KEY(0, 4, KEY_F5),
	KEY(0, 5, KEY_UNKNOWN),
	KEY(0, 6, KEY_I),
	KEY(0, 7, KEY_LEFTSHIFT),

	KEY(1, 0, KEY_D),
	KEY(1, 1, KEY_F),
	KEY(1, 2, KEY_G),
	KEY(1, 3, KEY_SEND),
	KEY(1, 4, KEY_F6),
	KEY(1, 5, KEY_UNKNOWN),
	KEY(1, 6, KEY_K),
	KEY(1, 7, KEY_ENTER),

	KEY(2, 0, KEY_X),
	KEY(2, 1, KEY_C),
	KEY(2, 2, KEY_V),
	KEY(2, 3, KEY_END),
	KEY(2, 4, KEY_F7),
	KEY(2, 5, KEY_UNKNOWN),
	KEY(2, 6, KEY_DOT),
	KEY(2, 7, KEY_CAPSLOCK),

	KEY(3, 0, KEY_Z),
	KEY(3, 1, KEY_KPPLUS),
	KEY(3, 2, KEY_B),
	KEY(3, 3, KEY_F1),
	KEY(3, 4, KEY_F8),
	KEY(3, 5, KEY_UNKNOWN),
	KEY(3, 6, KEY_O),
	KEY(3, 7, KEY_SPACE),

	KEY(4, 0, KEY_W),
	KEY(4, 1, KEY_Y),
	KEY(4, 2, KEY_U),
	KEY(4, 3, KEY_F2),
	KEY(4, 4, KEY_VOLUMEUP),
	KEY(4, 5, KEY_UNKNOWN),
	KEY(4, 6, KEY_L),
	KEY(4, 7, KEY_LEFT),

	KEY(5, 0, KEY_S),
	KEY(5, 1, KEY_H),
	KEY(5, 2, KEY_J),
	KEY(5, 3, KEY_F3),
	KEY(5, 4, KEY_F9),
	KEY(5, 5, KEY_VOLUMEDOWN),
	KEY(5, 6, KEY_M),
	KEY(5, 7, KEY_RIGHT),

	KEY(6, 0, KEY_Q),
	KEY(6, 1, KEY_A),
	KEY(6, 2, KEY_N),
	KEY(6, 3, KEY_BACK),
	KEY(6, 4, KEY_BACKSPACE),
	KEY(6, 5, KEY_UNKNOWN),
	KEY(6, 6, KEY_P),
	KEY(6, 7, KEY_UP),

	KEY(7, 0, KEY_PROG1),
	KEY(7, 1, KEY_PROG2),
	KEY(7, 2, KEY_PROG3),
	KEY(7, 3, KEY_PROG4),
	KEY(7, 4, KEY_F4),
	KEY(7, 5, KEY_UNKNOWN),
	KEY(7, 6, KEY_OK),
	KEY(7, 7, KEY_DOWN),
};
static struct omap_device_pad keypad_pads[] = {
	{	.name   = "kpd_col1.kpd_col1",
		.enable = OMAP_WAKEUP_EN | OMAP_MUX_MODE1,
	},
	{	.name   = "kpd_col1.kpd_col1",
		.enable = OMAP_WAKEUP_EN | OMAP_MUX_MODE1,
	},
	{	.name   = "kpd_col2.kpd_col2",
		.enable = OMAP_WAKEUP_EN | OMAP_MUX_MODE1,
	},
	{	.name   = "kpd_col3.kpd_col3",
		.enable = OMAP_WAKEUP_EN | OMAP_MUX_MODE1,
	},
	{	.name   = "kpd_col4.kpd_col4",
		.enable = OMAP_WAKEUP_EN | OMAP_MUX_MODE1,
	},
	{	.name   = "kpd_col5.kpd_col5",
		.enable = OMAP_WAKEUP_EN | OMAP_MUX_MODE1,
	},
	{	.name   = "gpmc_a23.kpd_col7",
		.enable = OMAP_WAKEUP_EN | OMAP_MUX_MODE1,
	},
	{	.name   = "gpmc_a22.kpd_col6",
		.enable = OMAP_WAKEUP_EN | OMAP_MUX_MODE1,
	},
	{	.name   = "kpd_row0.kpd_row0",
		.enable = OMAP_PULL_ENA | OMAP_PULL_UP | OMAP_WAKEUP_EN |
			OMAP_MUX_MODE1 | OMAP_INPUT_EN,
	},
	{	.name   = "kpd_row1.kpd_row1",
		.enable = OMAP_PULL_ENA | OMAP_PULL_UP | OMAP_WAKEUP_EN |
			OMAP_MUX_MODE1 | OMAP_INPUT_EN,
	},
	{	.name   = "kpd_row2.kpd_row2",
		.enable = OMAP_PULL_ENA | OMAP_PULL_UP | OMAP_WAKEUP_EN |
			OMAP_MUX_MODE1 | OMAP_INPUT_EN,
	},
	{	.name   = "kpd_row3.kpd_row3",
		.enable = OMAP_PULL_ENA | OMAP_PULL_UP | OMAP_WAKEUP_EN |
			OMAP_MUX_MODE1 | OMAP_INPUT_EN,
	},
	{	.name   = "kpd_row4.kpd_row4",
		.enable = OMAP_PULL_ENA | OMAP_PULL_UP | OMAP_WAKEUP_EN |
			OMAP_MUX_MODE1 | OMAP_INPUT_EN,
	},
	{	.name   = "kpd_row5.kpd_row5",
		.enable = OMAP_PULL_ENA | OMAP_PULL_UP | OMAP_WAKEUP_EN |
			OMAP_MUX_MODE1 | OMAP_INPUT_EN,
	},
	{	.name   = "gpmc_a18.kpd_row6",
		.enable = OMAP_PULL_ENA | OMAP_PULL_UP | OMAP_WAKEUP_EN |
			OMAP_MUX_MODE1 | OMAP_INPUT_EN,
	},
	{	.name   = "gpmc_a19.kpd_row7",
		.enable = OMAP_PULL_ENA | OMAP_PULL_UP | OMAP_WAKEUP_EN |
			OMAP_MUX_MODE1 | OMAP_INPUT_EN,
	},
};

static struct matrix_keymap_data sdp4430_keymap_data = {
	.keymap			= sdp4430_keymap,
	.keymap_size		= ARRAY_SIZE(sdp4430_keymap),
};

static struct omap4_keypad_platform_data sdp4430_keypad_data = {
	.keymap_data		= &sdp4430_keymap_data,
	.rows			= 8,
	.cols			= 8,
};

static struct omap_board_data keypad_data = {
	.id	    		= 1,
	.pads	 		= keypad_pads,
	.pads_cnt       	= ARRAY_SIZE(keypad_pads),
};

static int
sdp4430_kim_suspend(struct platform_device *pdev, pm_message_t msg)
{
	return 0;
}

static int
sdp4430_kim_resume(struct platform_device *pdev)
{
	return 0;
}

struct ti_st_plat_data sdp4430_bt_platform_data = {
        .nshutdown_gpio = 55,
        .dev_name = "/dev/ttyO1",
        .flow_cntrl = 1,
        .baud_rate = 3000000,
        .suspend = sdp4430_kim_suspend,
        .resume = sdp4430_kim_resume,

};

static struct platform_device wl128x_device = {
	.name	= "kim",
	.id	= -1,
	.dev	= {
		.platform_data	= &sdp4430_bt_platform_data,
	},
};

static struct platform_device btwilink_device = {
	.name = "btwilink",
	.id = -1,
};

static struct gpio_led sdp4430_gpio_leds[] = {
	{
		.name	= "omap4:green:debug0",
		.gpio	= 61,
	},
	{
		.name	= "omap4:green:debug1",
		.gpio	= 30,
	},
	{
		.name	= "omap4:green:debug2",
		.gpio	= 7,
	},
	{
		.name	= "omap4:green:debug3",
		.gpio	= 8,
	},
	{
		.name	= "omap4:green:debug4",
		.gpio	= 50,
	},
	{
		.name	= "omap4:blue:user",
		.gpio	= 169,
	},
	{
		.name	= "omap4:red:user",
		.gpio	= 170,
	},
	{
		.name	= "omap4:green:user",
		.gpio	= 139,
	},

};

static struct gpio_keys_button sdp4430_gpio_keys[] = {
	{
		.desc			= "Proximity Sensor",
		.type			= EV_SW,
		.code			= SW_FRONT_PROXIMITY,
		.gpio			= OMAP4_SFH7741_SENSOR_OUTPUT_GPIO,
		.active_low		= 0,
	}
};

static struct gpio_led_platform_data sdp4430_led_data = {
	.leds	= sdp4430_gpio_leds,
	.num_leds	= ARRAY_SIZE(sdp4430_gpio_leds),
};

static struct led_pwm sdp4430_pwm_leds[] = {
	{
		.name		= "omap4:green:chrg",
		.pwm_id		= 1,
		.max_brightness	= 255,
		.pwm_period_ns	= 7812500,
	},
};

static struct led_pwm_platform_data sdp4430_pwm_data = {
	.num_leds	= ARRAY_SIZE(sdp4430_pwm_leds),
	.leds		= sdp4430_pwm_leds,
};

static struct platform_device sdp4430_leds_pwm = {
	.name	= "leds_pwm",
	.id	= -1,
	.dev	= {
		.platform_data = &sdp4430_pwm_data,
	},
};

static int omap_prox_activate(struct device *dev)
{
	gpio_set_value(OMAP4_SFH7741_ENABLE_GPIO , 1);
	return 0;
}

static void omap_prox_deactivate(struct device *dev)
{
	gpio_set_value(OMAP4_SFH7741_ENABLE_GPIO , 0);
}

static struct gpio_keys_platform_data sdp4430_gpio_keys_data = {
	.buttons	= sdp4430_gpio_keys,
	.nbuttons	= ARRAY_SIZE(sdp4430_gpio_keys),
	.enable		= omap_prox_activate,
	.disable	= omap_prox_deactivate,
};

static struct platform_device sdp4430_gpio_keys_device = {
	.name	= "gpio-keys",
	.id	= -1,
	.dev	= {
		.platform_data	= &sdp4430_gpio_keys_data,
	},
};

static struct platform_device sdp4430_leds_gpio = {
	.name	= "leds-gpio",
	.id	= -1,
	.dev	= {
		.platform_data = &sdp4430_led_data,
	},
};
static struct spi_board_info sdp4430_spi_board_info[] __initdata = {
	{
		.modalias               = "ks8851",
		.bus_num                = 1,
		.chip_select            = 0,
		.max_speed_hz           = 24000000,
		.irq                    = ETH_KS8851_IRQ,
	},
};

static struct gpio sdp4430_eth_gpios[] __initdata = {
	{ ETH_KS8851_POWER_ON,	GPIOF_OUT_INIT_HIGH,	"eth_power"	},
	{ ETH_KS8851_QUART,	GPIOF_OUT_INIT_HIGH,	"quart"		},
	{ ETH_KS8851_IRQ,	GPIOF_IN,		"eth_irq"	},
};

static int __init omap_ethernet_init(void)
{
	int status;

	/* Request of GPIO lines */
	status = gpio_request_array(sdp4430_eth_gpios,
				    ARRAY_SIZE(sdp4430_eth_gpios));
	if (status)
		pr_err("Cannot request ETH GPIOs\n");

	return status;
}

static struct regulator_consumer_supply sdp4430_vbat_supply[] = {
	REGULATOR_SUPPLY("vddvibl", "twl6040-vibra"),
	REGULATOR_SUPPLY("vddvibr", "twl6040-vibra"),
};

static struct regulator_init_data sdp4430_vbat_data = {
	.constraints = {
		.always_on	= 1,
	},
	.num_consumer_supplies	= ARRAY_SIZE(sdp4430_vbat_supply),
	.consumer_supplies	= sdp4430_vbat_supply,
};

static struct fixed_voltage_config sdp4430_vbat_pdata = {
	.supply_name	= "VBAT",
	.microvolts	= 3750000,
	.init_data	= &sdp4430_vbat_data,
	.gpio		= -EINVAL,
};

static struct platform_device sdp4430_vbat = {
	.name		= "reg-fixed-voltage",
	.id		= -1,
	.dev = {
		.platform_data = &sdp4430_vbat_pdata,
	},
};

static struct platform_device *sdp4430_devices[] __initdata = {
	&sdp4430_gpio_keys_device,
	&sdp4430_leds_gpio,
	&sdp4430_leds_pwm,
	&sdp4430_vbat,
	&wl128x_device,
	&btwilink_device,
};

static void __init omap_4430sdp_init_early(void)
{
	omap2_init_common_infrastructure();
}

static struct omap_musb_board_data musb_board_data = {
	.interface_type		= MUSB_INTERFACE_UTMI,
	.mode			= MUSB_OTG,
	.power			= 100,
};

static struct omap2_hsmmc_info mmc[] = {
	{
		.mmc		= 2,
		.caps		=  MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
		.gpio_cd	= -EINVAL,
		.gpio_wp	= -EINVAL,
		.nonremovable   = true,
		.ocr_mask	= MMC_VDD_29_30,
		.no_off_init	= true,
	},
	{
		.mmc		= 1,
		.caps		= MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
		.gpio_cd	= -EINVAL,
		.gpio_wp	= -EINVAL,
	},
	{
		.mmc		= 5,
		.caps		= MMC_CAP_4_BIT_DATA | MMC_CAP_POWER_OFF_CARD,
		.gpio_cd	= -EINVAL,
		.gpio_wp	= -EINVAL,
		.ocr_mask	= MMC_VDD_165_195,
		.nonremovable	= true,
	},
	{}	/* Terminator */
};

static struct regulator_consumer_supply sdp4430_vaux_supply[] = {
	REGULATOR_SUPPLY("vmmc", "omap_hsmmc.1"),
};

static struct regulator_consumer_supply omap4_sdp4430_vmmc5_supply = {
	.supply = "vmmc",
	.dev_name = "omap_hsmmc.4",
};

static struct regulator_init_data sdp4430_vmmc5 = {
	.constraints = {
		.valid_ops_mask = REGULATOR_CHANGE_STATUS,
	},
	.num_consumer_supplies = 1,
	.consumer_supplies = &omap4_sdp4430_vmmc5_supply,
};

static struct fixed_voltage_config sdp4430_vwlan = {
	.supply_name		= "vwl1271",
	.microvolts		= 1800000, /* 1.8V */
	.gpio			= GPIO_WIFI_PMENA,
	.startup_delay		= 70000, /* 70msec */
	.enable_high		= 1,
	.enabled_at_boot	= 0,
	.init_data		= &sdp4430_vmmc5,
};

static struct platform_device omap_vwlan_device = {
	.name		= "reg-fixed-voltage",
	.id		= 1,
	.dev = {
		.platform_data = &sdp4430_vwlan,
	},
};

static struct regulator_consumer_supply sdp4430_vcxio_supply[] = {
	OMAP_DSS_SUPPLIES,
};

static int omap4_twl6030_hsmmc_late_init(struct device *dev)
{
	int ret = 0;
	struct platform_device *pdev = container_of(dev,
				struct platform_device, dev);
	struct omap_mmc_platform_data *pdata = dev->platform_data;

	/* Setting MMC1 Card detect Irq */
	if (pdev->id == 0) {
		ret = twl6030_mmc_card_detect_config();
		if (ret)
			pr_err("Failed configuring MMC1 card detect\n");
		pdata->slots[0].card_detect_irq = TWL6030_IRQ_BASE +
						MMCDETECT_INTR_OFFSET;
		pdata->slots[0].card_detect = twl6030_mmc_card_detect;
	}
	return ret;
}

static __init void omap4_twl6030_hsmmc_set_late_init(struct device *dev)
{
	struct omap_mmc_platform_data *pdata;

	/* dev can be null if CONFIG_MMC_OMAP_HS is not set */
	if (!dev) {
		pr_err("Failed %s\n", __func__);
		return;
	}
	pdata = dev->platform_data;
	pdata->init =	omap4_twl6030_hsmmc_late_init;
}

static int __init omap4_twl6030_hsmmc_init(struct omap2_hsmmc_info *controllers)
{
	struct omap2_hsmmc_info *c;

	omap2_hsmmc_init(controllers);
	for (c = controllers; c->mmc; c++)
		omap4_twl6030_hsmmc_set_late_init(c->dev);

	return 0;
}

static struct regulator_init_data sdp4430_vaux1 = {
	.constraints = {
		.min_uV			= 1000000,
		.max_uV			= 3000000,
		.apply_uV		= true,
		.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(sdp4430_vaux_supply),
	.consumer_supplies      = sdp4430_vaux_supply,
};

static struct regulator_consumer_supply sdp4430_vaux2_supply[] = {
	REGULATOR_SUPPLY("av-switch", "soc-audio"),
};

static struct regulator_init_data sdp4430_vaux2 = {
	.constraints = {
		.min_uV			= 1200000,
		.max_uV			= 2800000,
		.apply_uV		= true,
		.valid_modes_mask	= REGULATOR_MODE_NORMAL
					| REGULATOR_MODE_STANDBY,
		.valid_ops_mask	 = REGULATOR_CHANGE_VOLTAGE
					| REGULATOR_CHANGE_MODE
					| REGULATOR_CHANGE_STATUS,
	},
	.num_consumer_supplies	= 1,
	.consumer_supplies	= sdp4430_vaux2_supply,
};

static struct regulator_init_data sdp4430_vusim = {
	.constraints = {
		.min_uV			= 1200000,
		.max_uV			= 2900000,
		.apply_uV		= true,
		.valid_modes_mask	= REGULATOR_MODE_NORMAL
					| REGULATOR_MODE_STANDBY,
		.valid_ops_mask	 = REGULATOR_CHANGE_VOLTAGE
					| REGULATOR_CHANGE_MODE
					| REGULATOR_CHANGE_STATUS,
	},
};

static struct twl4030_codec_data twl6040_codec = {
	/* single-step ramp for headset and handsfree */
	.hs_left_step	= 0x0f,
	.hs_right_step	= 0x0f,
	.hf_left_step	= 0x1d,
	.hf_right_step	= 0x1d,
};

static struct twl4030_vibra_data twl6040_vibra = {
	.vibldrv_res = 8,
	.vibrdrv_res = 3,
	.viblmotor_res = 10,
	.vibrmotor_res = 10,
	.vddvibl_uV = 0,	/* fixed volt supply - VBAT */
	.vddvibr_uV = 0,	/* fixed volt supply - VBAT */
};

static struct twl4030_audio_data twl6040_audio = {
	.audio_card_name = "SDP4430",
	.codec		= &twl6040_codec,
	.vibra		= &twl6040_vibra,
	.audpwron_gpio	= 127,
	.naudint_irq	= OMAP44XX_IRQ_SYS_2N,
	.irq_base	= TWL6040_CODEC_IRQ_BASE,
};

static struct regulator_init_data sdp4430_vcxio = {
	.constraints = {
		.min_uV			= 1800000,
		.max_uV			= 1800000,
		.valid_modes_mask	= REGULATOR_MODE_NORMAL
					| REGULATOR_MODE_STANDBY,
		.valid_ops_mask	 = REGULATOR_CHANGE_MODE
					| REGULATOR_CHANGE_STATUS,
		.always_on	= true,
	},
	.num_consumer_supplies	= ARRAY_SIZE(sdp4430_vcxio_supply),
	.consumer_supplies	= sdp4430_vcxio_supply,
};

static void omap4_audio_conf(void)
{
	/* twl6040 naudint */
	omap_mux_init_signal("sys_nirq2.sys_nirq2", \
		OMAP_PIN_INPUT_PULLUP);
}

static struct twl4030_platform_data sdp4430_twldata = {
	.audio		= &twl6040_audio,
	/* Regulators */
	.vusim		= &sdp4430_vusim,
	.vcxio		= &sdp4430_vcxio,
	.vaux1		= &sdp4430_vaux1,
	.vaux2		= &sdp4430_vaux2,
};

static struct i2c_board_info __initdata sdp4430_i2c_3_boardinfo[] = {
	{
		I2C_BOARD_INFO("tmp105", 0x48),
	},
	{
		I2C_BOARD_INFO("bh1780", 0x29),
	},
};
static struct i2c_board_info __initdata sdp4430_i2c_4_boardinfo[] = {
	{
		I2C_BOARD_INFO("hmc5843", 0x1e),
	},
};
static int __init omap4_i2c_init(void)
{
	omap4_pmic_get_config(&sdp4430_twldata, TWL_COMMON_PDATA_USB,
			TWL_COMMON_REGULATOR_VDAC |
			TWL_COMMON_REGULATOR_VAUX2 |
			TWL_COMMON_REGULATOR_VAUX3 |
			TWL_COMMON_REGULATOR_VMMC |
			TWL_COMMON_REGULATOR_VPP |
			TWL_COMMON_REGULATOR_VANA |
			TWL_COMMON_REGULATOR_VCXIO |
			TWL_COMMON_REGULATOR_VUSB |
			TWL_COMMON_REGULATOR_CLK32KG);
	omap4_pmic_init("twl6030", &sdp4430_twldata);
	omap_register_i2c_bus(2, 400, NULL, 0);
	omap_register_i2c_bus(3, 400, sdp4430_i2c_3_boardinfo,
				ARRAY_SIZE(sdp4430_i2c_3_boardinfo));
	omap_register_i2c_bus(4, 400, sdp4430_i2c_4_boardinfo,
				ARRAY_SIZE(sdp4430_i2c_4_boardinfo));
	return 0;
}

static void __init omap_sfh7741prox_init(void)
{
	int error;

	error = gpio_request_one(OMAP4_SFH7741_ENABLE_GPIO,
				 GPIOF_OUT_INIT_LOW, "sfh7741");
	if (error < 0)
		pr_err("%s:failed to request GPIO %d, error %d\n",
			__func__, OMAP4_SFH7741_ENABLE_GPIO, error);
}

static int dsi1_panel_set_backlight(struct omap_dss_device *dssdev, int level)
{
	int r;

	r = twl_i2c_write_u8(TWL_MODULE_PWM, 0x7F, LED_PWM2OFF);
	if (r)
		return r;

	if (level > 1) {
		if (level == 255)
			level = 0x7F;
		else
			level = (~(level/2)) & 0x7F;

		r = twl_i2c_write_u8(TWL_MODULE_PWM, level, LED_PWM2ON);
		if (r)
			return r;
		r = twl_i2c_write_u8(TWL6030_MODULE_ID1, 0x30, TWL6030_TOGGLE3);
		if (r)
			return r;
	} else if (level <= 1) {
		r = twl_i2c_write_u8(TWL6030_MODULE_ID1, 0x08, TWL6030_TOGGLE3);
		if (r)
			return r;
		r = twl_i2c_write_u8(TWL6030_MODULE_ID1, 0x28, TWL6030_TOGGLE3);
		if (r)
			return r;
		r = twl_i2c_write_u8(TWL6030_MODULE_ID1, 0x00, TWL6030_TOGGLE3);
		if (r)
			return r;
	}

	return 0;
}

#if 0
static void sdp4430_lcd_init(void)
{
	u32 reg;
	int status;

	/* Enable 3 lanes in DSI1 module, disable pull down */
	reg = omap4_ctrl_pad_readl(OMAP4_CTRL_MODULE_PAD_CORE_CONTROL_DSIPHY);
	reg &= ~OMAP4_DSI1_LANEENABLE_MASK;
	reg |= 0x7 << OMAP4_DSI1_LANEENABLE_SHIFT;
	reg &= ~OMAP4_DSI1_PIPD_MASK;
	reg |= 0x7 << OMAP4_DSI1_PIPD_SHIFT;
	omap4_ctrl_pad_writel(reg, OMAP4_CTRL_MODULE_PAD_CORE_CONTROL_DSIPHY);

	/* Panel Taal reset and backlight GPIO init */
	status = gpio_request_one(dsi1_panel.reset_gpio, GPIOF_DIR_OUT,
		"lcd_reset_gpio");
	if (status)
		pr_err("%s: Could not get lcd_reset_gpio\n", __func__);

	if (dsi1_panel.use_ext_te) {
		status = omap_mux_init_signal("gpmc_ncs4.gpio_101",
				OMAP_PIN_INPUT_PULLUP);
		if (status)
			pr_err("%s: Could not get ext_te gpio\n", __func__);
	}

	status = gpio_request_one(LCD_BL_GPIO, GPIOF_DIR_OUT, "lcd_bl_gpio");
	if (status)
		pr_err("%s: Could not get lcd_bl_gpio\n", __func__);

	gpio_set_value(LCD_BL_GPIO, 0);
}
#endif

static void sdp4430_hdmi_mux_init(void)
{
	u32 reg;
	u16 control_i2c_1;

	/* PAD0_HDMI_HPD_PAD1_HDMI_CEC */
	omap_mux_init_signal("hdmi_hpd",
			OMAP_PIN_INPUT_PULLUP);
	omap_mux_init_signal("hdmi_cec",
			OMAP_PIN_INPUT_PULLUP);
	/* PAD0_HDMI_DDC_SCL_PAD1_HDMI_DDC_SDA */
	omap_mux_init_signal("hdmi_ddc_scl",
			OMAP_PIN_INPUT_PULLUP);
	omap_mux_init_signal("hdmi_ddc_sda",
			OMAP_PIN_INPUT_PULLUP);

	/*
	 * CONTROL_I2C_1: HDMI_DDC_SDA_PULLUPRESX (bit 28) and
	 * HDMI_DDC_SCL_PULLUPRESX (bit 24) are set to disable
	 * internal pull up resistor - This is a change needed in
	 * OMAP4460 and OMAP4430 ES2.3 as the external pull up
	 * are present. This is needed to avoid EDID read failure.
	 */
	if (cpu_is_omap446x() || (omap_rev() > OMAP4430_REV_ES2_2)) {
		control_i2c_1 = OMAP4_CTRL_MODULE_PAD_CORE_CONTROL_I2C_1;
		reg = omap4_ctrl_pad_readl(control_i2c_1);
		reg |= (OMAP4_HDMI_DDC_SDA_PULLUPRESX_MASK |
				OMAP4_HDMI_DDC_SCL_PULLUPRESX_MASK);
		omap4_ctrl_pad_writel(reg, control_i2c_1);
	}
}

static struct gpio sdp4430_hdmi_gpios[] = {
	{ HDMI_GPIO_HPD,	GPIOF_OUT_INIT_HIGH,	"hdmi_gpio_hpd"   },
	{ HDMI_GPIO_LS_OE,	GPIOF_OUT_INIT_HIGH,	"hdmi_gpio_ls_oe" },
};

static int sdp4430_panel_enable_hdmi(struct omap_dss_device *dssdev)
{
	int status;

	status = gpio_request_array(sdp4430_hdmi_gpios,
				    ARRAY_SIZE(sdp4430_hdmi_gpios));
	if (status)
		pr_err("%s: Cannot request HDMI GPIOs\n", __func__);

	return status;
}

static void sdp4430_panel_disable_hdmi(struct omap_dss_device *dssdev)
{
	gpio_free(HDMI_GPIO_LS_OE);
	gpio_free(HDMI_GPIO_HPD);
}

static struct nokia_dsi_panel_data dsi1_panel = {
		.name		= "taal",
		.reset_gpio	= 102,
		.use_ext_te	= false,
		.ext_te_gpio	= 101,
		.esd_interval	= 0,
/*		.set_backlight	= dsi1_panel_set_backlight,*/
};

static struct omap_dss_device sdp4430_lcd_device = {
	.name			= "lcd",
	.driver_name		= "taal",
	.type			= OMAP_DISPLAY_TYPE_DSI,
	.data			= &dsi1_panel,
	.phy.dsi		= {
		.clk_lane	= 1,
		.clk_pol	= 0,
		.data1_lane	= 2,
		.data1_pol	= 0,
		.data2_lane	= 3,
		.data2_pol	= 0,

		.module		= 0,
	},

	.clocks = {
		.dispc = {
			.channel = {
				/* Logic Clock = 172.8 MHz */
				.lck_div	= 1,
				/* Pixel Clock = 34.56 MHz */
				.pck_div	= 5,
				.lcd_clk_src	= OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DISPC,
			},
			.dispc_fclk_src	= OMAP_DSS_CLK_SRC_FCK,
		},

		.dsi = {
			.regn		= 16,	/* Fint = 2.4 MHz */
			.regm		= 180,	/* DDR Clock = 216 MHz */
			.regm_dispc	= 5,	/* PLL1_CLK1 = 172.8 MHz */
			.regm_dsi	= 5,	/* PLL1_CLK2 = 172.8 MHz */

			.lp_clk_div	= 10,	/* LP Clock = 8.64 MHz */
			.dsi_fclk_src	= OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DSI,
		},
	},
	.channel		= OMAP_DSS_CHANNEL_LCD,
};

static struct nokia_dsi_panel_data dsi2_panel = {
		.name		= "taal",
		.reset_gpio	= 104,
		.use_ext_te	= false,
		.ext_te_gpio	= 103,
		.esd_interval	= 0,
};

static struct omap_dss_device sdp4430_lcd2_device = {
	.name			= "lcd2",
	.driver_name		= "taal",
	.type			= OMAP_DISPLAY_TYPE_DSI,
	.data			= &dsi2_panel,
	.phy.dsi		= {
		.clk_lane	= 1,
		.clk_pol	= 0,
		.data1_lane	= 2,
		.data1_pol	= 0,
		.data2_lane	= 3,
		.data2_pol	= 0,

		.module		= 1,
	},

	.clocks = {
		.dispc = {
			.channel = {
				/* Logic Clock = 172.8 MHz */
				.lck_div	= 1,
				/* Pixel Clock = 34.56 MHz */
				.pck_div	= 5,
				.lcd_clk_src	= OMAP_DSS_CLK_SRC_DSI2_PLL_HSDIV_DISPC,
			},
			.dispc_fclk_src	= OMAP_DSS_CLK_SRC_FCK,
		},

		.dsi = {
			.regn		= 16,	/* Fint = 2.4 MHz */
			.regm		= 180,	/* DDR Clock = 216 MHz */
			.regm_dispc	= 5,	/* PLL1_CLK1 = 172.8 MHz */
			.regm_dsi	= 5,	/* PLL1_CLK2 = 172.8 MHz */

			.lp_clk_div	= 10,	/* LP Clock = 8.64 MHz */
			.dsi_fclk_src	= OMAP_DSS_CLK_SRC_DSI2_PLL_HSDIV_DSI,
		},
	},
	.channel		= OMAP_DSS_CHANNEL_LCD2,
};

static void sdp4430_lcd_init(void)
{
	int r;

	r = gpio_request_one(dsi1_panel.reset_gpio, GPIOF_DIR_OUT,
		"lcd1_reset_gpio");
	if (r)
		pr_err("%s: Could not get lcd1_reset_gpio\n", __func__);

	r = gpio_request_one(dsi2_panel.reset_gpio, GPIOF_DIR_OUT,
		"lcd2_reset_gpio");
	if (r)
		pr_err("%s: Could not get lcd2_reset_gpio\n", __func__);
}

static struct omap_dss_device sdp4430_hdmi_device = {
	.name = "hdmi",
	.driver_name = "hdmi_panel",
	.type = OMAP_DISPLAY_TYPE_HDMI,
	.platform_enable = sdp4430_panel_enable_hdmi,
	.platform_disable = sdp4430_panel_disable_hdmi,
	.channel = OMAP_DSS_CHANNEL_DIGIT,
};

static struct picodlp_panel_data sdp4430_picodlp_pdata = {
	.picodlp_adapter_id	= 2,
	.emu_done_gpio		= 44,
	.pwrgood_gpio		= 45,
};

static void sdp4430_picodlp_init(void)
{
	int r;
	const struct gpio picodlp_gpios[] = {
		{DLP_POWER_ON_GPIO, GPIOF_OUT_INIT_LOW,
			"DLP POWER ON"},
		{sdp4430_picodlp_pdata.emu_done_gpio, GPIOF_IN,
			"DLP EMU DONE"},
		{sdp4430_picodlp_pdata.pwrgood_gpio, GPIOF_OUT_INIT_LOW,
			"DLP PWRGOOD"},
	};

	r = gpio_request_array(picodlp_gpios, ARRAY_SIZE(picodlp_gpios));
	if (r)
		pr_err("Cannot request PicoDLP GPIOs, error %d\n", r);
}

static int sdp4430_panel_enable_picodlp(struct omap_dss_device *dssdev)
{
	gpio_set_value(DISPLAY_SEL_GPIO, 0);
	gpio_set_value(DLP_POWER_ON_GPIO, 1);

	return 0;
}

static void sdp4430_panel_disable_picodlp(struct omap_dss_device *dssdev)
{
	gpio_set_value(DLP_POWER_ON_GPIO, 0);
	gpio_set_value(DISPLAY_SEL_GPIO, 1);
}

static struct omap_dss_device sdp4430_picodlp_device = {
	.name			= "picodlp",
	.driver_name		= "picodlp_panel",
	.type			= OMAP_DISPLAY_TYPE_DPI,
	.phy.dpi.data_lines	= 24,
	.channel		= OMAP_DSS_CHANNEL_LCD2,
	.platform_enable	= sdp4430_panel_enable_picodlp,
	.platform_disable	= sdp4430_panel_disable_picodlp,
	.data			= &sdp4430_picodlp_pdata,
};

static struct omap_dss_device *sdp4430_dss_devices[] = {
	&sdp4430_lcd_device,
	&sdp4430_lcd2_device,
	&sdp4430_hdmi_device,
	&sdp4430_picodlp_device,
};

static struct omap_dss_board_info sdp4430_dss_data = {
	.num_devices	= ARRAY_SIZE(sdp4430_dss_devices),
	.devices	= sdp4430_dss_devices,
	.default_device	= &sdp4430_lcd_device,
};

static int omap_4430sdp_hack_backlight(void)
{
	twl_i2c_write_u8(TWL_MODULE_PWM, 0x7f, LED_PWM2OFF);
	twl_i2c_write_u8(TWL_MODULE_PWM, 0x7f, LED_PWM2ON);
	twl_i2c_write_u8(TWL6030_MODULE_ID1, 0x30, TWL6030_TOGGLE3);
	return 0;
}
late_initcall(omap_4430sdp_hack_backlight);

static void omap_4430sdp_display_init(void)
{
	int r;

	/* Enable LCD2 by default (instead of Pico DLP) */
	r = gpio_request_one(DISPLAY_SEL_GPIO, GPIOF_OUT_INIT_HIGH,
			"display_sel");
	if (r)
		pr_err("%s: Could not get display_sel GPIO\n", __func__);

	sdp4430_lcd_init();
	sdp4430_picodlp_init();
	omap_display_init(&sdp4430_dss_data);
	/*
	 * CONTROL_I2C_1: HDMI_DDC_SDA_PULLUPRESX (bit 28) and
	 * HDMI_DDC_SCL_PULLUPRESX (bit 24) are set to disable
	 * internal pull up resistor - This is a change needed in
	 * OMAP4460 and OMAP4430 ES2.3 as the external pull up
	 * are present. This is needed to avoid EDID read failure.
	 */
	if (cpu_is_omap446x() || (omap_rev() > OMAP4430_REV_ES2_2))
		omap_hdmi_enable_pads(1);
	else
		omap_hdmi_enable_pads(0);
}

#ifdef CONFIG_OMAP_MUX
static struct omap_board_mux board_mux[] __initdata = {
	OMAP4_MUX(USBB2_ULPITLL_CLK, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT),
	{ .reg_offset = OMAP_MUX_TERMINATOR },
};

static struct omap_device_pad serial2_pads[] __initdata = {
	OMAP_MUX_STATIC("uart2_cts.uart2_cts",
			 OMAP_PIN_INPUT_PULLUP | OMAP_MUX_MODE0),
	OMAP_MUX_STATIC("uart2_rts.uart2_rts",
			 OMAP_PIN_OUTPUT | OMAP_MUX_MODE0),
	OMAP_MUX_STATIC("uart2_rx.uart2_rx",
			 OMAP_PIN_INPUT_PULLUP | OMAP_MUX_MODE0),
	OMAP_MUX_STATIC("uart2_tx.uart2_tx",
			 OMAP_PIN_OUTPUT | OMAP_MUX_MODE0),
};

static struct omap_device_pad serial3_pads[] __initdata = {
	OMAP_MUX_STATIC("uart3_cts_rctx.uart3_cts_rctx",
			 OMAP_PIN_INPUT_PULLUP | OMAP_MUX_MODE0),
	OMAP_MUX_STATIC("uart3_rts_sd.uart3_rts_sd",
			 OMAP_PIN_OUTPUT | OMAP_MUX_MODE0),
	OMAP_MUX_STATIC("uart3_rx_irrx.uart3_rx_irrx",
			 OMAP_PIN_INPUT | OMAP_MUX_MODE0),
	OMAP_MUX_STATIC("uart3_tx_irtx.uart3_tx_irtx",
			 OMAP_PIN_OUTPUT | OMAP_MUX_MODE0),
};

static struct omap_device_pad serial4_pads[] __initdata = {
	OMAP_MUX_STATIC("uart4_rx.uart4_rx",
			 OMAP_PIN_INPUT | OMAP_MUX_MODE0),
	OMAP_MUX_STATIC("uart4_tx.uart4_tx",
			 OMAP_PIN_OUTPUT | OMAP_MUX_MODE0),
};

static struct omap_board_data serial2_data __initdata = {
	.id		= 1,
	.pads		= serial2_pads,
	.pads_cnt	= ARRAY_SIZE(serial2_pads),
};

static struct omap_board_data serial3_data __initdata = {
	.id		= 2,
	.pads		= serial3_pads,
	.pads_cnt	= ARRAY_SIZE(serial3_pads),
};

static struct omap_board_data serial4_data __initdata = {
	.id		= 3,
	.pads		= serial4_pads,
	.pads_cnt	= ARRAY_SIZE(serial4_pads),
};

static inline void board_serial_init(void)
{
	struct omap_board_data bdata;
	bdata.flags	= 0;
	bdata.pads	= NULL;
	bdata.pads_cnt	= 0;
	bdata.id	= 0;
	/* pass dummy data for UART1 */
	omap_serial_init_port(&bdata);

	omap_serial_init_port(&serial2_data);
	omap_serial_init_port(&serial3_data);
	omap_serial_init_port(&serial4_data);
}
#else
#define board_mux	NULL

static inline void board_serial_init(void)
{
	omap_serial_init();
}
 #endif

static void omap4_sdp4430_wifi_mux_init(void)
{
	omap_mux_init_gpio(GPIO_WIFI_IRQ, OMAP_PIN_INPUT |
				OMAP_PIN_OFF_WAKEUPENABLE);
	omap_mux_init_gpio(GPIO_WIFI_PMENA, OMAP_PIN_OUTPUT);

	omap_mux_init_signal("sdmmc5_cmd.sdmmc5_cmd",
				OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP);
	omap_mux_init_signal("sdmmc5_clk.sdmmc5_clk",
				OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP);
	omap_mux_init_signal("sdmmc5_dat0.sdmmc5_dat0",
				OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP);
	omap_mux_init_signal("sdmmc5_dat1.sdmmc5_dat1",
				OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP);
	omap_mux_init_signal("sdmmc5_dat2.sdmmc5_dat2",
				OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP);
	omap_mux_init_signal("sdmmc5_dat3.sdmmc5_dat3",
				OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP);

}

static struct wl12xx_platform_data omap4_sdp4430_wlan_data __initdata = {
	.irq = OMAP_GPIO_IRQ(GPIO_WIFI_IRQ),
	.board_ref_clock = WL12XX_REFCLOCK_26,
	.board_tcxo_clock = WL12XX_TCXOCLOCK_26,
};

static void omap4_sdp4430_wifi_init(void)
{
	omap4_sdp4430_wifi_mux_init();
	if (wl12xx_set_platform_data(&omap4_sdp4430_wlan_data))
		pr_err("Error setting wl12xx data\n");
	platform_device_register(&omap_vwlan_device);
}

static void __init omap_4430sdp_init(void)
{
	int status;
	int package = OMAP_PACKAGE_CBS;

	if (omap_rev() == OMAP4430_REV_ES1_0)
		package = OMAP_PACKAGE_CBL;
	omap4_mux_init(board_mux, NULL, package);

	omap4_audio_conf();
	omap4_i2c_init();
	omap_sfh7741prox_init();
	blaze_touch_init();
	platform_add_devices(sdp4430_devices, ARRAY_SIZE(sdp4430_devices));
	board_serial_init();
	omap_sdrc_init(NULL, NULL);
	omap4_sdp4430_wifi_init();
	omap4_twl6030_hsmmc_init(mmc);

	usb_musb_init(&musb_board_data);

	status = omap_ethernet_init();
	if (status) {
		pr_err("Ethernet initialization failed: %d\n", status);
	} else {
		sdp4430_spi_board_info[0].irq = gpio_to_irq(ETH_KS8851_IRQ);
		spi_register_board_info(sdp4430_spi_board_info,
				ARRAY_SIZE(sdp4430_spi_board_info));
	}

	status = omap4_keyboard_init(&sdp4430_keypad_data, &keypad_data);
	if (status)
		pr_err("Keypad initialization failed: %d\n", status);

	omap_4430sdp_display_init();

	if (cpu_is_omap446x()) {
		/* Vsel0 = gpio, vsel1 = gnd */
		status = omap_tps6236x_board_setup(true, TPS62361_GPIO, -1,
					OMAP_PIN_OFF_OUTPUT_HIGH, -1);
		if (status)
			pr_err("TPS62361 initialization failed: %d\n", status);
	}

	omap_enable_smartreflex_on_init();
}

MACHINE_START(OMAP_4430SDP, "OMAP4430 4430SDP board")
	/* Maintainer: Santosh Shilimkar - Texas Instruments Inc */
	.atag_offset	= 0x100,
	.reserve	= omap_reserve,
	.map_io		= omap4_map_io,
	.init_early	= omap4430_init_early,
	.init_irq	= gic_init_irq,
	.init_machine	= omap_4430sdp_init,
	.timer		= &omap4_timer,
#ifdef CONFIG_ZONE_DMA                                                          
        .dma_zone_size  = 500 * 1024 * 1024,                                    
#endif  
MACHINE_END