arch/arm/mach-omap2/board-omap3evm.c - kernel/msm-4.19 - Gitiles

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

 #include <linux/spi/spi.h>
 #include <linux/spi/ads7846.h>
 #include <linux/i2c/twl4030.h>
 #include <linux/usb/otg.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/mux.h>
 #include <plat/usb.h>
 #include <plat/common.h>
 #include <plat/mcspi.h>

 #include "sdram-micron-mt46h32m32lf-6.h"
 #include "mmc-twl4030.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_SMC911X_CS	5

 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;
 	}
 }

 static struct resource omap3evm_smc911x_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,
 	},
 };

 static struct platform_device omap3evm_smc911x_device = {
 	.name		= "smc911x",
 	.id		= -1,
 	.num_resources	= ARRAY_SIZE(omap3evm_smc911x_resources),
 	.resource	= &omap3evm_smc911x_resources[0],
 };

 static inline void __init omap3evm_init_smc911x(void)
 {
 	int eth_cs;
 	struct clk *l3ck;
 	unsigned int rate;

 	eth_cs = OMAP3EVM_SMC911X_CS;

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

 	if (gpio_request(OMAP3EVM_ETHR_GPIO_IRQ, "SMC911x irq") < 0) {
 		printk(KERN_ERR "Failed to request GPIO%d for smc911x IRQ\n",
 			OMAP3EVM_ETHR_GPIO_IRQ);
 		return;
 	}

 	gpio_direction_input(OMAP3EVM_ETHR_GPIO_IRQ);
 }

 static struct twl4030_hsmmc_info mmc[] = {
 	{
 		.mmc		= 1,
 		.wires		= 4,
 		.gpio_cd	= -EINVAL,
 		.gpio_wp	= 63,
 	},
 	{}	/* 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_cfg_reg(L8_34XX_GPIO63);
 	mmc[0].gpio_cd = gpio + 0;
 	twl4030_mmc_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 + 1 == ledB (out, active low LED) */
 	gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;

 	platform_device_register(&leds_gpio);

 	return 0;
 }

 static struct twl4030_gpio_platform_data omap3evm_gpio_data = {
 	.gpio_base	= OMAP_MAX_GPIO_LINES,
 	.irq_base	= TWL4030_GPIO_IRQ_BASE,
 	.irq_end	= TWL4030_GPIO_IRQ_END,
 	.use_leds	= true,
 	.setup		= omap3evm_twl_gpio_setup,
 };

 static struct twl4030_usb_data omap3evm_usb_data = {
 	.usb_mode	= T2_USB_MODE_ULPI,
 };

 static int board_keymap[] = {
 	KEY(0, 0, KEY_LEFT),
 	KEY(0, 1, KEY_RIGHT),
 	KEY(0, 2, KEY_A),
 	KEY(0, 3, KEY_B),
 	KEY(1, 0, KEY_DOWN),
 	KEY(1, 1, KEY_UP),
 	KEY(1, 2, KEY_E),
 	KEY(1, 3, KEY_F),
 	KEY(2, 0, KEY_ENTER),
 	KEY(2, 1, KEY_I),
 	KEY(2, 2, KEY_J),
 	KEY(2, 3, KEY_K),
 	KEY(3, 0, KEY_M),
 	KEY(3, 1, KEY_N),
 	KEY(3, 2, KEY_O),
 	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 omap3evm_kp_data = {
 	.keymap_data	= &board_map_data,
 	.rows		= 4,
 	.cols		= 4,
 	.rep		= 1,
 };

 static struct twl4030_madc_platform_data omap3evm_madc_data = {
 	.irq_line	= 1,
 };

 static struct twl4030_codec_audio_data omap3evm_audio_data = {
 	.audio_mclk = 26000000,
 };

 static struct twl4030_codec_data omap3evm_codec_data = {
 	.audio_mclk = 26000000,
 	.audio = &omap3evm_audio_data,
 };

 static struct twl4030_platform_data omap3evm_twldata = {
 	.irq_base	= TWL4030_IRQ_BASE,
 	.irq_end	= TWL4030_IRQ_END,

 	/* platform_data for children goes here */
 	.keypad		= &omap3evm_kp_data,
 	.madc		= &omap3evm_madc_data,
 	.usb		= &omap3evm_usb_data,
 	.gpio		= &omap3evm_gpio_data,
 	.codec		= &omap3evm_codec_data,
 };

 static struct i2c_board_info __initdata omap3evm_i2c_boardinfo[] = {
 	{
 		I2C_BOARD_INFO("twl4030", 0x48),
 		.flags = I2C_CLIENT_WAKE,
 		.irq = INT_34XX_SYS_NIRQ,
 		.platform_data = &omap3evm_twldata,
 	},
 };

 static int __init omap3_evm_i2c_init(void)
 {
 	omap_register_i2c_bus(1, 2600, omap3evm_i2c_boardinfo,
 			ARRAY_SIZE(omap3evm_i2c_boardinfo));
 	omap_register_i2c_bus(2, 400, NULL, 0);
 	omap_register_i2c_bus(3, 400, NULL, 0);
 	return 0;
 }

 static struct platform_device omap3_evm_lcd_device = {
 	.name		= "omap3evm_lcd",
 	.id		= -1,
 };

 static struct omap_lcd_config omap3_evm_lcd_config __initdata = {
 	.ctrl_name	= "internal",
 };

 static void ads7846_dev_init(void)
 {
 	if (gpio_request(OMAP3_EVM_TS_GPIO, "ADS7846 pendown") < 0)
 		printk(KERN_ERR "can't get ads7846 pen down GPIO\n");

 	gpio_direction_input(OMAP3_EVM_TS_GPIO);

 	omap_set_gpio_debounce(OMAP3_EVM_TS_GPIO, 1);
 	omap_set_gpio_debounce_time(OMAP3_EVM_TS_GPIO, 0xa);
 }

 static int ads7846_get_pendown_state(void)
 {
 	return !gpio_get_value(OMAP3_EVM_TS_GPIO);
 }

 struct ads7846_platform_data ads7846_config = {
 	.x_max			= 0x0fff,
 	.y_max			= 0x0fff,
 	.x_plate_ohms		= 180,
 	.pressure_max		= 255,
 	.debounce_max		= 10,
 	.debounce_tol		= 3,
 	.debounce_rep		= 1,
 	.get_pendown_state	= ads7846_get_pendown_state,
 	.keep_vref_on		= 1,
 	.settle_delay_usecs	= 150,
 };

 static struct omap2_mcspi_device_config ads7846_mcspi_config = {
 	.turbo_mode	= 0,
 	.single_channel	= 1,	/* 0: slave, 1: master */
 };

 struct spi_board_info omap3evm_spi_board_info[] = {
 	[0] = {
 		.modalias		= "ads7846",
 		.bus_num		= 1,
 		.chip_select		= 0,
 		.max_speed_hz		= 1500000,
 		.controller_data	= &ads7846_mcspi_config,
 		.irq			= OMAP_GPIO_IRQ(OMAP3_EVM_TS_GPIO),
 		.platform_data		= &ads7846_config,
 	},
 };

 static struct omap_board_config_kernel omap3_evm_config[] __initdata = {
 	{ OMAP_TAG_LCD,		&omap3_evm_lcd_config },
 };

 static void __init omap3_evm_init_irq(void)
 {
 	omap_board_config = omap3_evm_config;
 	omap_board_config_size = ARRAY_SIZE(omap3_evm_config);
 	omap2_init_common_hw(mt46h32m32lf6_sdrc_params, NULL);
 	omap_init_irq();
 	omap_gpio_init();
 	omap3evm_init_smc911x();
 }

 static struct platform_device *omap3_evm_devices[] __initdata = {
 	&omap3_evm_lcd_device,
 	&omap3evm_smc911x_device,
 };

 static struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {

 	.port_mode[0] = EHCI_HCD_OMAP_MODE_UNKNOWN,
 	.port_mode[1] = EHCI_HCD_OMAP_MODE_PHY,
 	.port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN,

 	.phy_reset  = true,
 	/* PHY reset GPIO will be runtime programmed based on EVM version */
 	.reset_gpio_port[0]  = -EINVAL,
 	.reset_gpio_port[1]  = -EINVAL,
 	.reset_gpio_port[2]  = -EINVAL
 };

 static void __init omap3_evm_init(void)
 {
 	omap3_evm_get_revision();

 	omap3_evm_i2c_init();

 	platform_add_devices(omap3_evm_devices, ARRAY_SIZE(omap3_evm_devices));

 	spi_register_board_info(omap3evm_spi_board_info,
 				ARRAY_SIZE(omap3evm_spi_board_info));

 	omap_serial_init();
 #ifdef CONFIG_NOP_USB_XCEIV
 	/* OMAP3EVM uses ISP1504 phy and so register nop transceiver */
 	usb_nop_xceiv_register();
 #endif
 	if (get_omap3_evm_rev() >= OMAP3EVM_BOARD_GEN_2) {
 		/* enable EHCI VBUS using GPIO22 */
 		omap_cfg_reg(AF9_34XX_GPIO22);
 		gpio_request(OMAP3_EVM_EHCI_VBUS, "enable EHCI VBUS");
 		gpio_direction_output(OMAP3_EVM_EHCI_VBUS, 0);
 		gpio_set_value(OMAP3_EVM_EHCI_VBUS, 1);

 		/* Select EHCI port on main board */
 		omap_cfg_reg(U3_34XX_GPIO61);
 		gpio_request(OMAP3_EVM_EHCI_SELECT, "select EHCI port");
 		gpio_direction_output(OMAP3_EVM_EHCI_SELECT, 0);
 		gpio_set_value(OMAP3_EVM_EHCI_SELECT, 0);

 		/* setup EHCI phy reset config */
 		omap_cfg_reg(AH14_34XX_GPIO21);
 		ehci_pdata.reset_gpio_port[1] = 21;

 	} else {
 		/* setup EHCI phy reset on MDC */
 		omap_cfg_reg(AF4_34XX_GPIO135_OUT);
 		ehci_pdata.reset_gpio_port[1] = 135;
 	}
 	usb_musb_init();
 	usb_ehci_init(&ehci_pdata);
 	ads7846_dev_init();
 }

 static void __init omap3_evm_map_io(void)
 {
 	omap2_set_globals_343x();
 	omap2_map_common_io();
 }

 MACHINE_START(OMAP3EVM, "OMAP3 EVM")
 	/* Maintainer: Syed Mohammed Khasim - Texas Instruments */
 	.phys_io	= 0x48000000,
 	.io_pg_offst	= ((0xfa000000) >> 18) & 0xfffc,
 	.boot_params	= 0x80000100,
 	.map_io		= omap3_evm_map_io,
 	.init_irq	= omap3_evm_init_irq,
 	.init_machine	= omap3_evm_init,
 	.timer		= &omap_timer,
 MACHINE_END
	/*
	* linux/arch/arm/mach-omap2/board-omap3evm.c
	*
	* Copyright (C) 2008 Texas Instruments
	*
	* Modified from mach-omap2/board-3430sdp.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/gpio.h>
	#include <linux/input.h>
	#include <linux/input/matrix_keypad.h>
	#include <linux/leds.h>

	#include <linux/spi/spi.h>
	#include <linux/spi/ads7846.h>
	#include <linux/i2c/twl4030.h>
	#include <linux/usb/otg.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/mux.h>
	#include <plat/usb.h>
	#include <plat/common.h>
	#include <plat/mcspi.h>

	#include "sdram-micron-mt46h32m32lf-6.h"
	#include "mmc-twl4030.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_SMC911X_CS 5

	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;
	}
	}

	static struct resource omap3evm_smc911x_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,
	},
	};

	static struct platform_device omap3evm_smc911x_device = {
	.name = "smc911x",
	.id = -1,
	.num_resources = ARRAY_SIZE(omap3evm_smc911x_resources),
	.resource = &omap3evm_smc911x_resources[0],
	};

	static inline void __init omap3evm_init_smc911x(void)
	{
	int eth_cs;
	struct clk *l3ck;
	unsigned int rate;

	eth_cs = OMAP3EVM_SMC911X_CS;

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

	if (gpio_request(OMAP3EVM_ETHR_GPIO_IRQ, "SMC911x irq") < 0) {
	printk(KERN_ERR "Failed to request GPIO%d for smc911x IRQ\n",
	OMAP3EVM_ETHR_GPIO_IRQ);
	return;
	}

	gpio_direction_input(OMAP3EVM_ETHR_GPIO_IRQ);
	}

	static struct twl4030_hsmmc_info mmc[] = {
	{
	.mmc = 1,
	.wires = 4,
	.gpio_cd = -EINVAL,
	.gpio_wp = 63,
	},
	{} /* 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_cfg_reg(L8_34XX_GPIO63);
	mmc[0].gpio_cd = gpio + 0;
	twl4030_mmc_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 + 1 == ledB (out, active low LED) */
	gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;

	platform_device_register(&leds_gpio);

	return 0;
	}

	static struct twl4030_gpio_platform_data omap3evm_gpio_data = {
	.gpio_base = OMAP_MAX_GPIO_LINES,
	.irq_base = TWL4030_GPIO_IRQ_BASE,
	.irq_end = TWL4030_GPIO_IRQ_END,
	.use_leds = true,
	.setup = omap3evm_twl_gpio_setup,
	};

	static struct twl4030_usb_data omap3evm_usb_data = {
	.usb_mode = T2_USB_MODE_ULPI,
	};

	static int board_keymap[] = {
	KEY(0, 0, KEY_LEFT),
	KEY(0, 1, KEY_RIGHT),
	KEY(0, 2, KEY_A),
	KEY(0, 3, KEY_B),
	KEY(1, 0, KEY_DOWN),
	KEY(1, 1, KEY_UP),
	KEY(1, 2, KEY_E),
	KEY(1, 3, KEY_F),
	KEY(2, 0, KEY_ENTER),
	KEY(2, 1, KEY_I),
	KEY(2, 2, KEY_J),
	KEY(2, 3, KEY_K),
	KEY(3, 0, KEY_M),
	KEY(3, 1, KEY_N),
	KEY(3, 2, KEY_O),
	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 omap3evm_kp_data = {
	.keymap_data = &board_map_data,
	.rows = 4,
	.cols = 4,
	.rep = 1,
	};

	static struct twl4030_madc_platform_data omap3evm_madc_data = {
	.irq_line = 1,
	};

	static struct twl4030_codec_audio_data omap3evm_audio_data = {
	.audio_mclk = 26000000,
	};

	static struct twl4030_codec_data omap3evm_codec_data = {
	.audio_mclk = 26000000,
	.audio = &omap3evm_audio_data,
	};

	static struct twl4030_platform_data omap3evm_twldata = {
	.irq_base = TWL4030_IRQ_BASE,
	.irq_end = TWL4030_IRQ_END,

	/* platform_data for children goes here */
	.keypad = &omap3evm_kp_data,
	.madc = &omap3evm_madc_data,
	.usb = &omap3evm_usb_data,
	.gpio = &omap3evm_gpio_data,
	.codec = &omap3evm_codec_data,
	};

	static struct i2c_board_info __initdata omap3evm_i2c_boardinfo[] = {
	{
	I2C_BOARD_INFO("twl4030", 0x48),
	.flags = I2C_CLIENT_WAKE,
	.irq = INT_34XX_SYS_NIRQ,
	.platform_data = &omap3evm_twldata,
	},
	};

	static int __init omap3_evm_i2c_init(void)
	{
	omap_register_i2c_bus(1, 2600, omap3evm_i2c_boardinfo,
	ARRAY_SIZE(omap3evm_i2c_boardinfo));
	omap_register_i2c_bus(2, 400, NULL, 0);
	omap_register_i2c_bus(3, 400, NULL, 0);
	return 0;
	}

	static struct platform_device omap3_evm_lcd_device = {
	.name = "omap3evm_lcd",
	.id = -1,
	};

	static struct omap_lcd_config omap3_evm_lcd_config __initdata = {
	.ctrl_name = "internal",
	};

	static void ads7846_dev_init(void)
	{
	if (gpio_request(OMAP3_EVM_TS_GPIO, "ADS7846 pendown") < 0)
	printk(KERN_ERR "can't get ads7846 pen down GPIO\n");

	gpio_direction_input(OMAP3_EVM_TS_GPIO);

	omap_set_gpio_debounce(OMAP3_EVM_TS_GPIO, 1);
	omap_set_gpio_debounce_time(OMAP3_EVM_TS_GPIO, 0xa);
	}

	static int ads7846_get_pendown_state(void)
	{
	return !gpio_get_value(OMAP3_EVM_TS_GPIO);
	}

	struct ads7846_platform_data ads7846_config = {
	.x_max = 0x0fff,
	.y_max = 0x0fff,
	.x_plate_ohms = 180,
	.pressure_max = 255,
	.debounce_max = 10,
	.debounce_tol = 3,
	.debounce_rep = 1,
	.get_pendown_state = ads7846_get_pendown_state,
	.keep_vref_on = 1,
	.settle_delay_usecs = 150,
	};

	static struct omap2_mcspi_device_config ads7846_mcspi_config = {
	.turbo_mode = 0,
	.single_channel = 1, /* 0: slave, 1: master */
	};

	struct spi_board_info omap3evm_spi_board_info[] = {
	[0] = {
	.modalias = "ads7846",
	.bus_num = 1,
	.chip_select = 0,
	.max_speed_hz = 1500000,
	.controller_data = &ads7846_mcspi_config,
	.irq = OMAP_GPIO_IRQ(OMAP3_EVM_TS_GPIO),
	.platform_data = &ads7846_config,
	},
	};

	static struct omap_board_config_kernel omap3_evm_config[] __initdata = {
	{ OMAP_TAG_LCD, &omap3_evm_lcd_config },
	};

	static void __init omap3_evm_init_irq(void)
	{
	omap_board_config = omap3_evm_config;
	omap_board_config_size = ARRAY_SIZE(omap3_evm_config);
	omap2_init_common_hw(mt46h32m32lf6_sdrc_params, NULL);
	omap_init_irq();
	omap_gpio_init();
	omap3evm_init_smc911x();
	}

	static struct platform_device *omap3_evm_devices[] __initdata = {
	&omap3_evm_lcd_device,
	&omap3evm_smc911x_device,
	};

	static struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {

	.port_mode[0] = EHCI_HCD_OMAP_MODE_UNKNOWN,
	.port_mode[1] = EHCI_HCD_OMAP_MODE_PHY,
	.port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN,

	.phy_reset = true,
	/* PHY reset GPIO will be runtime programmed based on EVM version */
	.reset_gpio_port[0] = -EINVAL,
	.reset_gpio_port[1] = -EINVAL,
	.reset_gpio_port[2] = -EINVAL
	};

	static void __init omap3_evm_init(void)
	{
	omap3_evm_get_revision();

	omap3_evm_i2c_init();

	platform_add_devices(omap3_evm_devices, ARRAY_SIZE(omap3_evm_devices));

	spi_register_board_info(omap3evm_spi_board_info,
	ARRAY_SIZE(omap3evm_spi_board_info));

	omap_serial_init();
	#ifdef CONFIG_NOP_USB_XCEIV
	/* OMAP3EVM uses ISP1504 phy and so register nop transceiver */
	usb_nop_xceiv_register();
	#endif
	if (get_omap3_evm_rev() >= OMAP3EVM_BOARD_GEN_2) {
	/* enable EHCI VBUS using GPIO22 */
	omap_cfg_reg(AF9_34XX_GPIO22);
	gpio_request(OMAP3_EVM_EHCI_VBUS, "enable EHCI VBUS");
	gpio_direction_output(OMAP3_EVM_EHCI_VBUS, 0);
	gpio_set_value(OMAP3_EVM_EHCI_VBUS, 1);

	/* Select EHCI port on main board */
	omap_cfg_reg(U3_34XX_GPIO61);
	gpio_request(OMAP3_EVM_EHCI_SELECT, "select EHCI port");
	gpio_direction_output(OMAP3_EVM_EHCI_SELECT, 0);
	gpio_set_value(OMAP3_EVM_EHCI_SELECT, 0);

	/* setup EHCI phy reset config */
	omap_cfg_reg(AH14_34XX_GPIO21);
	ehci_pdata.reset_gpio_port[1] = 21;

	} else {
	/* setup EHCI phy reset on MDC */
	omap_cfg_reg(AF4_34XX_GPIO135_OUT);
	ehci_pdata.reset_gpio_port[1] = 135;
	}
	usb_musb_init();
	usb_ehci_init(&ehci_pdata);
	ads7846_dev_init();
	}

	static void __init omap3_evm_map_io(void)
	{
	omap2_set_globals_343x();
	omap2_map_common_io();
	}

	MACHINE_START(OMAP3EVM, "OMAP3 EVM")
	/* Maintainer: Syed Mohammed Khasim - Texas Instruments */
	.phys_io = 0x48000000,
	.io_pg_offst = ((0xfa000000) >> 18) & 0xfffc,
	.boot_params = 0x80000100,
	.map_io = omap3_evm_map_io,
	.init_irq = omap3_evm_init_irq,
	.init_machine = omap3_evm_init,
	.timer = &omap_timer,
	MACHINE_END