<commit_before>/*
 * linux/arch/arm/mach-omap2/board-omap3evm.c
 *
 * Copyright (C) 2008 Texas Instruments
 *
 * Modified from mach-omap2/board-3430sdp.c
 *
 * Initial code: <NAME>
 *
 * 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/gpio.h>
#include <linux/input.h>
#include <linux/input/matrix_keypad.h>
#include <linux/leds.h>
#include <linux/interrupt.h>

#include <linux/spi/spi.h>
#include <linux/spi/ads7846.h>
#include <linux/i2c/twl.h>
#include <linux/usb/otg.h>
#include <linux/smsc911x.h>

#include <linux/wl12xx.h>
#include <linux/regulator/fixed.h>
#include <linux/regulator/machine.h>
#include <linux/mmc/host.h>

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

#include <plat/board.h>
#include <plat/usb.h>
#include <plat/common.h>
#include <plat/mcspi.h>
#include <plat/display.h>
#include <plat/panel-generic-dpi.h>

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

#define OMAP3_EVM_TS_GPIO	175
#define OMAP3_EVM_EHCI_VBUS	22
#define OMAP3_EVM_EHCI_SELECT	61

#define OMAP3EVM_ETHR_START	0x2c000000
#define OMAP3EVM_ETHR_SIZE	1024
#define OMAP3EVM_ETHR_ID_REV	0x50
#define OMAP3EVM_ETHR_GPIO_IRQ	176
#define OMAP3EVM_SMSC911X_CS	5
/*
 * Eth Reset signal
 *	64 = Generation 1 (<=RevD)
 *	7 = Generation 2 (>=RevE)
 */
#define OMAP3EVM_GEN1_ETHR_GPIO_RST	64
#define OMAP3EVM_GEN2_ETHR_GPIO_RST	7

static u8 omap3_evm_version;

u8 get_omap3_evm_rev(void)
{
	return omap3_evm_version;
}
EXPORT_SYMBOL(get_omap3_evm_rev);

static void __init omap3_evm_get_revision(void)
{
	void __iomem *ioaddr;
	unsigned int smsc_id;

	/* Ethernet PHY ID is stored at ID_REV register */
	ioaddr = ioremap_nocache(OMAP3EVM_ETHR_START, SZ_1K);
	if (!ioaddr)
		return;
	smsc_id = readl(ioaddr + OMAP3EVM_ETHR_ID_REV) & 0xFFFF0000;
	iounmap(ioaddr);

	switch (smsc_id) {
	/*SMSC9115 chipset*/
	case 0x01150000:
		omap3_evm_version = OMAP3EVM_BOARD_GEN_1;
		break;
	/*SMSC 9220 chipset*/
	case 0x92200000:
	default:
		omap3_evm_version = OMAP3EVM_BOARD_GEN_2;
	}
}

#if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
static struct resource omap3evm_smsc911x_resources[] = {
	[0] =	{
		.start	= OMAP3EVM_ETHR_START,
		.end	= (OMAP3EVM_ETHR_START + OMAP3EVM_ETHR_SIZE - 1),
		.flags	= IORESOURCE_MEM,
	},
	[1] =	{
		.start	= OMAP_GPIO_IRQ(OMAP3EVM_ETHR_GPIO_IRQ),
		.end	= OMAP_GPIO_IRQ(OMAP3EVM_ETHR_GPIO_IRQ),
		.flags	= (IORESOURCE_IRQ | IRQF_TRIGGER_LOW),
	},
};

static struct smsc911x_platform_config smsc911x_config = {
	.phy_interface  = PHY_INTERFACE_MODE_MII,
	.irq_polarity   = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
	.irq_type       = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
	.flags          = (SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS),
};

static struct platform_device omap3evm_smsc911x_device = {
	.name		= "smsc911x",
	.id		= -1,
	.num_resources	= ARRAY_SIZE(omap3evm_smsc911x_resources),
	.resource	= &omap3evm_smsc911x_resources[0],
	.dev		= {
		.platform_data = &smsc911x_config,
	},
};

static inline void __init omap3evm_init_smsc911x(void)
{
	int eth_cs, eth_rst;
	struct clk *l3ck;
	unsigned int rate;

	if (get_omap3_evm_rev() == OMAP3EVM_BOARD_GEN_1)
		eth_rst = OMAP3EVM_GEN1_ETHR_GPIO_RST;
	else
		eth_rst = OMAP3EVM_GEN2_ETHR_GPIO_RST;

	eth_cs = OMAP3EVM_SMSC911X_CS;

	l3ck = clk_get(NULL, "l3_ck");
	if (IS_ERR(l3ck))
		rate = 100000000;
	else
		rate = clk_get_rate(l3ck);

	/* Configure ethernet controller reset gpio */
	if (cpu_is_omap3430()) {
		if (gpio_request(eth_rst, "SMSC911x gpio") < 0) {
			pr_err(KERN_ERR "Failed to request %d for smsc911x\n",
					eth_rst);
			return;
		}

		if (gpio_direction_output(eth_rst, 1) < 0) {
			pr_err(KERN_ERR "Failed to set direction of %d for" \
					" smsc911x\n", eth_rst);
			return;
		}
		/* reset pulse to ethernet controller*/
		usleep_range(150, 220);
		gpio_set_value(eth_rst, 0);
		usleep_range(150, 220);
		gpio_set_value(eth_rst, 1);
		usleep_range(1, 2);
	}

	if (gpio_request(OMAP3EVM_ETHR_GPIO_IRQ, "SMSC911x irq") < 0) {
		printk(KERN_ERR "Failed to request GPIO%d for smsc911x IRQ\n",
			OMAP3EVM_ETHR_GPIO_IRQ);
		return;
	}

	gpio_direction_input(OMAP3EVM_ETHR_GPIO_IRQ);
	platform_device_register(&omap3evm_smsc911x_device);
}

#else
static inline void __init omap3evm_init_smsc911x(void) { return; }
#endif

/*
 * OMAP3EVM LCD Panel control signals
 */
#define OMAP3EVM_LCD_PANEL_LR		2
#define OMAP3EVM_LCD_PANEL_UD		3
#define OMAP3EVM_LCD_PANEL_INI		152
#define OMAP3EVM_LCD_PANEL_ENVDD	153
#define OMAP3EVM_LCD_PANEL_QVGA		154
#define OMAP3EVM_LCD_PANEL_RESB		155
#define OMAP3EVM_LCD_PANEL_BKLIGHT_GPIO	210
#define OMAP3EVM_DVI_PANEL_EN_GPIO	199

static int lcd_enabled;
static int dvi_enabled;

static void __init omap3_evm_display_init(void)
{
	int r;

	r = gpio_request(OMAP3EVM_LCD_PANEL_RESB, "lcd_panel_resb");
	if (r) {
		printk(KERN_ERR "failed to get lcd_panel_resb\n");
		return;
	}
	gpio_direction_output(OMAP3EVM_LCD_PANEL_RESB, 1);

	r = gpio_request(OMAP3EVM_LCD_PANEL_INI, "lcd_panel_ini");
	if (r) {
		printk(KERN_ERR "failed to get lcd_panel_ini\n");
		goto err_1;
	}
	gpio_direction_output(OMAP3EVM_LCD_PANEL_INI, 1);

	r = gpio_request(OMAP3EVM_LCD_PANEL_QVGA, "lcd_panel_qvga");
	if (r) {
		printk(KERN_ERR "failed to get lcd_panel_qvga\n");
		goto err_2;
	}
	gpio_direction_output(OMAP3EVM_LCD_PANEL_QVGA, 0);

	r = gpio_request(OMAP3EVM_LCD_PANEL_LR, "lcd_panel_lr");
	if (r) {
		printk(KERN_ERR "failed to get lcd_panel_lr\n");
		goto err_3;
	}
	gpio_direction_output(OMAP3EVM_LCD_PANEL_LR, 1);

	r = gpio_request(OMAP3EVM_LCD_PANEL_UD, "lcd_panel_ud");
	if (r) {
		printk(KERN_ERR "failed to get lcd_panel_ud\n");
		goto err_4;
	}
	gpio_direction_output(OMAP3EVM_LCD_PANEL_UD, 1);

	r = gpio_request(OMAP3EVM_LCD_PANEL_ENVDD, "lcd_panel_envdd");
	if (r) {
		printk(KERN_ERR "failed to get lcd_panel_envdd\n");
		goto err_5;
	}
	gpio_direction_output(OMAP3EVM_LCD_PANEL_ENVDD, 0);

	return;

err_5:
	gpio_free(OMAP3EVM_LCD_PANEL_UD);
err_4:
	gpio_free(OMAP3EVM_LCD_PANEL_LR);
err_3:
	gpio_free(OMAP3EVM_LCD_PANEL_QVGA);
err_2:
	gpio_free(OMAP3EVM_LCD_PANEL_INI);
err_1:
	gpio_free(OMAP3EVM_LCD_PANEL_RESB);

}

static int omap3_evm_enable_lcd(struct omap_dss_device *dssdev)
{
	if (dvi_enabled) {
		printk(KERN_ERR "cannot enable LCD, DVI is enabled\n");
		return -EINVAL;
	}
	gpio_set_value(OMAP3EVM_LCD_PANEL_ENVDD, 0);

	if (get_omap3_evm_rev() >= OMAP3EVM_BOARD_GEN_2)
		gpio_set_value_cansleep(OMAP3EVM_LCD_PANEL_BKLIGHT_GPIO, 0);
	else
		gpio_set_value_cansleep(OMAP3EVM_LCD_PANEL_BKLIGHT_GPIO, 1);

	lcd_enabled = 1;
	return 0;
}

static void omap3_evm_disable_lcd(struct omap_dss_device *dssdev)
{
	gpio_set_value(OMAP3EVM_LCD_PANEL_ENVDD, 1);

	if (get_omap3_evm_rev() >= OMAP3EVM_BOARD_GEN_2)
		gpio_set_value_cansleep(OMAP3EVM_LCD_PANEL_BKLIGHT_GPIO, 1);
	else
		gpio_set_value_cansleep(OMAP3EVM_LCD_PANEL_BKLIGHT_GPIO, 0);

	lcd_enabled = 0;
}

static struct omap_dss_device omap3_evm_lcd_device = {
	.name			= "lcd",
	.driver_name		= "sharp_ls_panel",
	.type			= OMAP_DISPLAY_TYPE_DPI,
	.phy.dpi.data_lines	= 18,
	.platform_enable	= omap3_evm_enable_lcd,
	.platform_disable	= omap3_evm_disable_lcd,
};

static int omap3_evm_enable_tv(struct omap_dss_device *dssdev)
{
	return 0;
}

static void omap3_evm_disable_tv(struct omap_dss_device *dssdev)
{
}

static struct omap_dss_device omap3_evm_tv_device = {
	.name			= "tv",
	.driver_name		= "venc",
	.type			= OMAP_DISPLAY_TYPE_VENC,
	.phy.venc.type		= OMAP_DSS_VENC_TYPE_SVIDEO,
	.platform_enable	= omap3_evm_enable_tv,
	.platform_disable	= omap3_evm_disable_tv,
};

static int omap3_evm_enable_dvi(struct omap_dss_device *dssdev)
{
	if (lcd_enabled) {
		printk(KERN_ERR "cannot enable DVI, LCD is enabled\n");
		return -EINVAL;
	}

	gpio_set_value_cansleep(OMAP3EVM_DVI_PANEL_EN_GPIO, 1);

	dvi_enabled = 1;
	return 0;
}

static void omap3_evm_disable_dvi(struct omap_dss_device *dssdev)
{
	gpio_set_value_cansleep(OMAP3EVM_DVI_PANEL_EN_GPIO, 0);

	dvi_enabled = 0;
}

static struct panel_generic_dpi_data dvi_panel = {
	.name			= "generic",
	.platform_enable	= omap3_evm_enable_dvi,
	.platform_disable	= omap3_evm_disable_dvi,
};

static struct omap_dss_device omap3_evm_dvi_device = {
	.name			= "dvi",
	.type			= OMAP_DISPLAY_TYPE_DPI,
	.driver_name		= "generic_dpi_panel",
	.data			= &dvi_panel,
	.phy.dpi.data_lines	= 24,
};

static struct omap_dss_device *omap3_evm_dss_devices[] = {
	&omap3_evm_lcd_device,
	&omap3_evm_tv_device,
	&omap3_evm_dvi_device,
};

static struct omap_dss_board_info omap3_evm_dss_data = {
	.num_devices	= ARRAY_SIZE(omap3_evm_dss_devices),
	.devices	= omap3_evm_dss_devices,
	.default_device	= &omap3_evm_lcd_device,
};

static struct platform_device omap3_evm_dss_device = {
	.name		= "omapdss",
	.id		= -1,
	.dev		= {
		.platform_data = &omap3_evm_dss_data,
	},
};

static struct regulator_consumer_supply omap3evm_vmmc1_supply = {
	.supply			= "vmmc",
};

static struct regulator_consumer_supply omap3evm_vsim_supply = {
	.supply			= "vmmc_aux",
};

/* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
static struct regulator_init_data omap3evm_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	= 1,
	.consumer_supplies	= &omap3evm_vmmc1_supply,
};

/* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */
static struct regulator_init_data omap3evm_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	= 1,
	.consumer_supplies	= &omap3evm_vsim_supply,
};

static struct omap2_hsmmc_info mmc[] = {
	{
		.mmc		= 1,
		.caps		= MMC_CAP_4_BIT_DATA,
		.gpio_cd	= -EINVAL,
		.gpio_wp	= 63,
	},
#ifdef CONFIG_WL12XX_PLATFORM_DATA
	{
		.name		= "wl1271",
		.mmc            = 2,
		.caps		= MMC_CAP_4_BIT_DATA | MMC_CAP_POWER_OFF_CARD,
		.gpio_wp	= -EINVAL,
		.gpio_cd	= -EINVAL,
		.nonremovable	= true,
	},
#endif
	{}	/* Terminator */
};

static struct gpio_led gpio_leds[] = {
	{
		.name			= "omap3evm::ledb",
		/* normally not visible (board underside) */
		.default_trigger	= "default-on",
		.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 int omap3evm_twl_gpio_setup(struct device *dev,
		unsigned gpio, unsigned ngpio)
{
	/* gpio + 0 is "mmc0_cd" (input/IRQ) */
	omap_mux_init_gpio(63, OMAP_PIN_INPUT);
	mmc[0].gpio_cd = gpio + 0;
	omap2_hsmmc_init(mmc);

	/* link regulators to MMC adapters */
	omap3evm_vmmc1_supply.dev = mmc[0].dev;
	omap3evm_vsim_supply.dev = mmc[0].dev;

	/*
	 * 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(gpio + TWL4030_GPIO_MAX, "EN_LCD_BKL");
	gpio_direction_output(gpio + TWL4030_GPIO_MAX, 0);

	/* gpio + 7 == DVI Enable */
	gpio_request(gpio + 7, "EN_DVI");
	gpio_direction_output(gpio + 7, 0);

	/* TWL4030_GPIO_MAX + 1 == ledB (out, active low LED) */
	gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;<commit_msg>OMAP3EVM: Made backlight GPIO default state to off<commit_after>/*
 * linux/arch/arm/mach-omap2/board-omap3evm.c
 *
 * Copyright (C) 2008 Texas Instruments
 *
 * Modified from mach-omap2/board-3430sdp.c
 *
 * Initial code: <NAME>
 *
 * 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/gpio.h>
#include <linux/input.h>
#include <linux/input/matrix_keypad.h>
#include <linux/leds.h>
#include <linux/interrupt.h>

#include <linux/spi/spi.h>
#include <linux/spi/ads7846.h>
#include <linux/i2c/twl.h>
#include <linux/usb/otg.h>
#include <linux/smsc911x.h>

#include <linux/wl12xx.h>
#include <linux/regulator/fixed.h>
#include <linux/regulator/machine.h>
#include <linux/mmc/host.h>

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

#include <plat/board.h>
#include <plat/usb.h>
#include <plat/common.h>
#include <plat/mcspi.h>
#include <plat/display.h>
#include <plat/panel-generic-dpi.h>

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

#define OMAP3_EVM_TS_GPIO	175
#define OMAP3_EVM_EHCI_VBUS	22
#define OMAP3_EVM_EHCI_SELECT	61

#define OMAP3EVM_ETHR_START	0x2c000000
#define OMAP3EVM_ETHR_SIZE	1024
#define OMAP3EVM_ETHR_ID_REV	0x50
#define OMAP3EVM_ETHR_GPIO_IRQ	176
#define OMAP3EVM_SMSC911X_CS	5
/*
 * Eth Reset signal
 *	64 = Generation 1 (<=RevD)
 *	7 = Generation 2 (>=RevE)
 */
#define OMAP3EVM_GEN1_ETHR_GPIO_RST	64
#define OMAP3EVM_GEN2_ETHR_GPIO_RST	7

static u8 omap3_evm_version;

u8 get_omap3_evm_rev(void)
{
	return omap3_evm_version;
}
EXPORT_SYMBOL(get_omap3_evm_rev);

static void __init omap3_evm_get_revision(void)
{
	void __iomem *ioaddr;
	unsigned int smsc_id;

	/* Ethernet PHY ID is stored at ID_REV register */
	ioaddr = ioremap_nocache(OMAP3EVM_ETHR_START, SZ_1K);
	if (!ioaddr)
		return;
	smsc_id = readl(ioaddr + OMAP3EVM_ETHR_ID_REV) & 0xFFFF0000;
	iounmap(ioaddr);

	switch (smsc_id) {
	/*SMSC9115 chipset*/
	case 0x01150000:
		omap3_evm_version = OMAP3EVM_BOARD_GEN_1;
		break;
	/*SMSC 9220 chipset*/
	case 0x92200000:
	default:
		omap3_evm_version = OMAP3EVM_BOARD_GEN_2;
	}
}

#if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
static struct resource omap3evm_smsc911x_resources[] = {
	[0] =	{
		.start	= OMAP3EVM_ETHR_START,
		.end	= (OMAP3EVM_ETHR_START + OMAP3EVM_ETHR_SIZE - 1),
		.flags	= IORESOURCE_MEM,
	},
	[1] =	{
		.start	= OMAP_GPIO_IRQ(OMAP3EVM_ETHR_GPIO_IRQ),
		.end	= OMAP_GPIO_IRQ(OMAP3EVM_ETHR_GPIO_IRQ),
		.flags	= (IORESOURCE_IRQ | IRQF_TRIGGER_LOW),
	},
};

static struct smsc911x_platform_config smsc911x_config = {
	.phy_interface  = PHY_INTERFACE_MODE_MII,
	.irq_polarity   = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
	.irq_type       = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
	.flags          = (SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS),
};

static struct platform_device omap3evm_smsc911x_device = {
	.name		= "smsc911x",
	.id		= -1,
	.num_resources	= ARRAY_SIZE(omap3evm_smsc911x_resources),
	.resource	= &omap3evm_smsc911x_resources[0],
	.dev		= {
		.platform_data = &smsc911x_config,
	},
};

static inline void __init omap3evm_init_smsc911x(void)
{
	int eth_cs, eth_rst;
	struct clk *l3ck;
	unsigned int rate;

	if (get_omap3_evm_rev() == OMAP3EVM_BOARD_GEN_1)
		eth_rst = OMAP3EVM_GEN1_ETHR_GPIO_RST;
	else
		eth_rst = OMAP3EVM_GEN2_ETHR_GPIO_RST;

	eth_cs = OMAP3EVM_SMSC911X_CS;

	l3ck = clk_get(NULL, "l3_ck");
	if (IS_ERR(l3ck))
		rate = 100000000;
	else
		rate = clk_get_rate(l3ck);

	/* Configure ethernet controller reset gpio */
	if (cpu_is_omap3430()) {
		if (gpio_request(eth_rst, "SMSC911x gpio") < 0) {
			pr_err(KERN_ERR "Failed to request %d for smsc911x\n",
					eth_rst);
			return;
		}

		if (gpio_direction_output(eth_rst, 1) < 0) {
			pr_err(KERN_ERR "Failed to set direction of %d for" \
					" smsc911x\n", eth_rst);
			return;
		}
		/* reset pulse to ethernet controller*/
		usleep_range(150, 220);
		gpio_set_value(eth_rst, 0);
		usleep_range(150, 220);
		gpio_set_value(eth_rst, 1);
		usleep_range(1, 2);
	}

	if (gpio_request(OMAP3EVM_ETHR_GPIO_IRQ, "SMSC911x irq") < 0) {
		printk(KERN_ERR "Failed to request GPIO%d for smsc911x IRQ\n",
			OMAP3EVM_ETHR_GPIO_IRQ);
		return;
	}

	gpio_direction_input(OMAP3EVM_ETHR_GPIO_IRQ);
	platform_device_register(&omap3evm_smsc911x_device);
}

#else
static inline void __init omap3evm_init_smsc911x(void) { return; }
#endif

/*
 * OMAP3EVM LCD Panel control signals
 */
#define OMAP3EVM_LCD_PANEL_LR		2
#define OMAP3EVM_LCD_PANEL_UD		3
#define OMAP3EVM_LCD_PANEL_INI		152
#define OMAP3EVM_LCD_PANEL_ENVDD	153
#define OMAP3EVM_LCD_PANEL_QVGA		154
#define OMAP3EVM_LCD_PANEL_RESB		155
#define OMAP3EVM_LCD_PANEL_BKLIGHT_GPIO	210
#define OMAP3EVM_DVI_PANEL_EN_GPIO	199

static int lcd_enabled;
static int dvi_enabled;

static void __init omap3_evm_display_init(void)
{
	int r;

	r = gpio_request(OMAP3EVM_LCD_PANEL_RESB, "lcd_panel_resb");
	if (r) {
		printk(KERN_ERR "failed to get lcd_panel_resb\n");
		return;
	}
	gpio_direction_output(OMAP3EVM_LCD_PANEL_RESB, 1);

	r = gpio_request(OMAP3EVM_LCD_PANEL_INI, "lcd_panel_ini");
	if (r) {
		printk(KERN_ERR "failed to get lcd_panel_ini\n");
		goto err_1;
	}
	gpio_direction_output(OMAP3EVM_LCD_PANEL_INI, 1);

	r = gpio_request(OMAP3EVM_LCD_PANEL_QVGA, "lcd_panel_qvga");
	if (r) {
		printk(KERN_ERR "failed to get lcd_panel_qvga\n");
		goto err_2;
	}
	gpio_direction_output(OMAP3EVM_LCD_PANEL_QVGA, 0);

	r = gpio_request(OMAP3EVM_LCD_PANEL_LR, "lcd_panel_lr");
	if (r) {
		printk(KERN_ERR "failed to get lcd_panel_lr\n");
		goto err_3;
	}
	gpio_direction_output(OMAP3EVM_LCD_PANEL_LR, 1);

	r = gpio_request(OMAP3EVM_LCD_PANEL_UD, "lcd_panel_ud");
	if (r) {
		printk(KERN_ERR "failed to get lcd_panel_ud\n");
		goto err_4;
	}
	gpio_direction_output(OMAP3EVM_LCD_PANEL_UD, 1);

	r = gpio_request(OMAP3EVM_LCD_PANEL_ENVDD, "lcd_panel_envdd");
	if (r) {
		printk(KERN_ERR "failed to get lcd_panel_envdd\n");
		goto err_5;
	}
	gpio_direction_output(OMAP3EVM_LCD_PANEL_ENVDD, 0);

	return;

err_5:
	gpio_free(OMAP3EVM_LCD_PANEL_UD);
err_4:
	gpio_free(OMAP3EVM_LCD_PANEL_LR);
err_3:
	gpio_free(OMAP3EVM_LCD_PANEL_QVGA);
err_2:
	gpio_free(OMAP3EVM_LCD_PANEL_INI);
err_1:
	gpio_free(OMAP3EVM_LCD_PANEL_RESB);

}

static int omap3_evm_enable_lcd(struct omap_dss_device *dssdev)
{
	if (dvi_enabled) {
		printk(KERN_ERR "cannot enable LCD, DVI is enabled\n");
		return -EINVAL;
	}
	gpio_set_value(OMAP3EVM_LCD_PANEL_ENVDD, 0);

	if (get_omap3_evm_rev() >= OMAP3EVM_BOARD_GEN_2)
		gpio_set_value_cansleep(OMAP3EVM_LCD_PANEL_BKLIGHT_GPIO, 0);
	else
		gpio_set_value_cansleep(OMAP3EVM_LCD_PANEL_BKLIGHT_GPIO, 1);

	lcd_enabled = 1;
	return 0;
}

static void omap3_evm_disable_lcd(struct omap_dss_device *dssdev)
{
	gpio_set_value(OMAP3EVM_LCD_PANEL_ENVDD, 1);

	if (get_omap3_evm_rev() >= OMAP3EVM_BOARD_GEN_2)
		gpio_set_value_cansleep(OMAP3EVM_LCD_PANEL_BKLIGHT_GPIO, 1);
	else
		gpio_set_value_cansleep(OMAP3EVM_LCD_PANEL_BKLIGHT_GPIO, 0);

	lcd_enabled = 0;
}

static struct omap_dss_device omap3_evm_lcd_device = {
	.name			= "lcd",
	.driver_name		= "sharp_ls_panel",
	.type			= OMAP_DISPLAY_TYPE_DPI,
	.phy.dpi.data_lines	= 18,
	.platform_enable	= omap3_evm_enable_lcd,
	.platform_disable	= omap3_evm_disable_lcd,
};

static int omap3_evm_enable_tv(struct omap_dss_device *dssdev)
{
	return 0;
}

static void omap3_evm_disable_tv(struct omap_dss_device *dssdev)
{
}

static struct omap_dss_device omap3_evm_tv_device = {
	.name			= "tv",
	.driver_name		= "venc",
	.type			= OMAP_DISPLAY_TYPE_VENC,
	.phy.venc.type		= OMAP_DSS_VENC_TYPE_SVIDEO,
	.platform_enable	= omap3_evm_enable_tv,
	.platform_disable	= omap3_evm_disable_tv,
};

static int omap3_evm_enable_dvi(struct omap_dss_device *dssdev)
{
	if (lcd_enabled) {
		printk(KERN_ERR "cannot enable DVI, LCD is enabled\n");
		return -EINVAL;
	}

	gpio_set_value_cansleep(OMAP3EVM_DVI_PANEL_EN_GPIO, 1);

	dvi_enabled = 1;
	return 0;
}

static void omap3_evm_disable_dvi(struct omap_dss_device *dssdev)
{
	gpio_set_value_cansleep(OMAP3EVM_DVI_PANEL_EN_GPIO, 0);

	dvi_enabled = 0;
}

static struct panel_generic_dpi_data dvi_panel = {
	.name			= "generic",
	.platform_enable	= omap3_evm_enable_dvi,
	.platform_disable	= omap3_evm_disable_dvi,
};

static struct omap_dss_device omap3_evm_dvi_device = {
	.name			= "dvi",
	.type			= OMAP_DISPLAY_TYPE_DPI,
	.driver_name		= "generic_dpi_panel",
	.data			= &dvi_panel,
	.phy.dpi.data_lines	= 24,
};

static struct omap_dss_device *omap3_evm_dss_devices[] = {
	&omap3_evm_lcd_device,
	&omap3_evm_tv_device,
	&omap3_evm_dvi_device,
};

static struct omap_dss_board_info omap3_evm_dss_data = {
	.num_devices	= ARRAY_SIZE(omap3_evm_dss_devices),
	.devices	= omap3_evm_dss_devices,
	.default_device	= &omap3_evm_lcd_device,
};

static struct platform_device omap3_evm_dss_device = {
	.name		= "omapdss",
	.id		= -1,
	.dev		= {
		.platform_data = &omap3_evm_dss_data,
	},
};

static struct regulator_consumer_supply omap3evm_vmmc1_supply = {
	.supply			= "vmmc",
};

static struct regulator_consumer_supply omap3evm_vsim_supply = {
	.supply			= "vmmc_aux",
};

/* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
static struct regulator_init_data omap3evm_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	= 1,
	.consumer_supplies	= &omap3evm_vmmc1_supply,
};

/* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */
static struct regulator_init_data omap3evm_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	= 1,
	.consumer_supplies	= &omap3evm_vsim_supply,
};

static struct omap2_hsmmc_info mmc[] = {
	{
		.mmc		= 1,
		.caps		= MMC_CAP_4_BIT_DATA,
		.gpio_cd	= -EINVAL,
		.gpio_wp	= 63,
	},
#ifdef CONFIG_WL12XX_PLATFORM_DATA
	{
		.name		= "wl1271",
		.mmc            = 2,
		.caps		= MMC_CAP_4_BIT_DATA | MMC_CAP_POWER_OFF_CARD,
		.gpio_wp	= -EINVAL,
		.gpio_cd	= -EINVAL,
		.nonremovable	= true,
	},
#endif
	{}	/* Terminator */
};

static struct gpio_led gpio_leds[] = {
	{
		.name			= "omap3evm::ledb",
		/* normally not visible (board underside) */
		.default_trigger	= "default-on",
		.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 int omap3evm_twl_gpio_setup(struct device *dev,
		unsigned gpio, unsigned ngpio)
{
	int r;

	/* gpio + 0 is "mmc0_cd" (input/IRQ) */
	omap_mux_init_gpio(63, OMAP_PIN_INPUT);
	mmc[0].gpio_cd = gpio + 0;
	omap2_hsmmc_init(mmc);

	/* link regulators to MMC adapters */
	omap3evm_vmmc1_supply.dev = mmc[0].dev;
	omap3evm_vsim_supply.dev = mmc[0].dev;

	/*
	 * 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 */
	r = gpio_request(gpio + TWL4030_GPIO_MAX, "EN_LCD_BKL");
	if (!r)
		r = gpio_direction_output(gpio + TWL4030_GPIO_MAX,
			(get_omap3_evm_rev() >= OMAP3EVM_BOARD_GEN_2) ? 1 : 0);
	if (r)
		printk(KERN_ERR "failed to get/set lcd_bkl gpio\n");

	/* gpio + 7 == DVI Enable */
	gpio_request(gpio + 7, "EN_DVI");
	gpio_direction_output(gpio + 7, 0);

	/* TWL4030_GPIO_MAX + 1 == ledB (out, active low LED) */
	gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
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