arch/arm/mach-omap2/board-rx51-peripherals.c - linux/kernel/git/davem/net-next - Git at Google

 /*
  * linux/arch/arm/mach-omap2/board-rx51-flash.c
  *
  * Copyright (C) 2008-2009 Nokia
  *
  * 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/input.h>
 #include <linux/spi/spi.h>
 #include <linux/i2c.h>
 #include <linux/i2c/twl4030.h>
 #include <linux/clk.h>
 #include <linux/delay.h>
 #include <linux/regulator/machine.h>
 #include <linux/gpio.h>

 #include <mach/mcspi.h>
 #include <mach/mux.h>
 #include <mach/board.h>
 #include <mach/common.h>
 #include <mach/dma.h>
 #include <mach/gpmc.h>
 #include <mach/keypad.h>

 #include "mmc-twl4030.h"


 #define SMC91X_CS			1
 #define SMC91X_GPIO_IRQ			54
 #define SMC91X_GPIO_RESET		164
 #define SMC91X_GPIO_PWRDWN		86

 static struct resource rx51_smc91x_resources[] = {
 	[0] = {
 		.flags		= IORESOURCE_MEM,
 	},
 	[1] = {
 		.flags		= IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
 	},
 };

 static struct platform_device rx51_smc91x_device = {
 	.name		= "smc91x",
 	.id		= -1,
 	.num_resources	= ARRAY_SIZE(rx51_smc91x_resources),
 	.resource	= rx51_smc91x_resources,
 };

 static int rx51_keymap[] = {
 	KEY(0, 0, KEY_Q),
 	KEY(0, 1, KEY_W),
 	KEY(0, 2, KEY_E),
 	KEY(0, 3, KEY_R),
 	KEY(0, 4, KEY_T),
 	KEY(0, 5, KEY_Y),
 	KEY(0, 6, KEY_U),
 	KEY(0, 7, KEY_I),
 	KEY(1, 0, KEY_O),
 	KEY(1, 1, KEY_D),
 	KEY(1, 2, KEY_DOT),
 	KEY(1, 3, KEY_V),
 	KEY(1, 4, KEY_DOWN),
 	KEY(2, 0, KEY_P),
 	KEY(2, 1, KEY_F),
 	KEY(2, 2, KEY_UP),
 	KEY(2, 3, KEY_B),
 	KEY(2, 4, KEY_RIGHT),
 	KEY(3, 0, KEY_COMMA),
 	KEY(3, 1, KEY_G),
 	KEY(3, 2, KEY_ENTER),
 	KEY(3, 3, KEY_N),
 	KEY(4, 0, KEY_BACKSPACE),
 	KEY(4, 1, KEY_H),
 	KEY(4, 3, KEY_M),
 	KEY(4, 4, KEY_LEFTCTRL),
 	KEY(5, 1, KEY_J),
 	KEY(5, 2, KEY_Z),
 	KEY(5, 3, KEY_SPACE),
 	KEY(5, 4, KEY_LEFTSHIFT),
 	KEY(6, 0, KEY_A),
 	KEY(6, 1, KEY_K),
 	KEY(6, 2, KEY_X),
 	KEY(6, 3, KEY_SPACE),
 	KEY(6, 4, KEY_FN),
 	KEY(7, 0, KEY_S),
 	KEY(7, 1, KEY_L),
 	KEY(7, 2, KEY_C),
 	KEY(7, 3, KEY_LEFT),
 	KEY(0xff, 0, KEY_F6),
 	KEY(0xff, 1, KEY_F7),
 	KEY(0xff, 2, KEY_F8),
 	KEY(0xff, 4, KEY_F9),
 	KEY(0xff, 5, KEY_F10),
 };

 static struct twl4030_keypad_data rx51_kp_data = {
 	.rows		= 8,
 	.cols		= 8,
 	.keymap		= rx51_keymap,
 	.keymapsize	= ARRAY_SIZE(rx51_keymap),
 	.rep		= 1,
 };

 static struct platform_device *rx51_peripherals_devices[] = {
 	&rx51_smc91x_device,
 };

 /*
  * Timings are taken from smsc-lan91c96-ms.pdf
  */
 static int smc91x_init_gpmc(int cs)
 {
 	struct gpmc_timings t;
 	const int t2_r = 45;		/* t2 in Figure 12.10 */
 	const int t2_w = 30;		/* t2 in Figure 12.11 */
 	const int t3 = 15;		/* t3 in Figure 12.10 */
 	const int t5_r = 0;		/* t5 in Figure 12.10 */
 	const int t6_r = 45;		/* t6 in Figure 12.10 */
 	const int t6_w = 0;		/* t6 in Figure 12.11 */
 	const int t7_w = 15;		/* t7 in Figure 12.11 */
 	const int t15 = 12;		/* t15 in Figure 12.2 */
 	const int t20 = 185;		/* t20 in Figure 12.2 */

 	memset(&t, 0, sizeof(t));

 	t.cs_on = t15;
 	t.cs_rd_off = t3 + t2_r + t5_r;	/* Figure 12.10 */
 	t.cs_wr_off = t3 + t2_w + t6_w;	/* Figure 12.11 */
 	t.adv_on = t3;			/* Figure 12.10 */
 	t.adv_rd_off = t3 + t2_r;	/* Figure 12.10 */
 	t.adv_wr_off = t3 + t2_w;	/* Figure 12.11 */
 	t.oe_off = t3 + t2_r + t5_r;	/* Figure 12.10 */
 	t.oe_on = t.oe_off - t6_r;	/* Figure 12.10 */
 	t.we_off = t3 + t2_w + t6_w;	/* Figure 12.11 */
 	t.we_on = t.we_off - t7_w;	/* Figure 12.11 */
 	t.rd_cycle = t20;		/* Figure 12.2 */
 	t.wr_cycle = t20;		/* Figure 12.4 */
 	t.access = t3 + t2_r + t5_r;	/* Figure 12.10 */
 	t.wr_access = t3 + t2_w + t6_w;	/* Figure 12.11 */

 	gpmc_cs_write_reg(cs, GPMC_CS_CONFIG1, GPMC_CONFIG1_DEVICESIZE_16);

 	return gpmc_cs_set_timings(cs, &t);
 }

 static void __init rx51_init_smc91x(void)
 {
 	unsigned long cs_mem_base;
 	int ret;

 	omap_cfg_reg(U8_34XX_GPIO54_DOWN);
 	omap_cfg_reg(G25_34XX_GPIO86_OUT);
 	omap_cfg_reg(H19_34XX_GPIO164_OUT);

 	if (gpmc_cs_request(SMC91X_CS, SZ_16M, &cs_mem_base) < 0) {
 		printk(KERN_ERR "Failed to request GPMC mem for smc91x\n");
 		return;
 	}

 	rx51_smc91x_resources[0].start = cs_mem_base + 0x300;
 	rx51_smc91x_resources[0].end = cs_mem_base + 0x30f;

 	smc91x_init_gpmc(SMC91X_CS);

 	if (gpio_request(SMC91X_GPIO_IRQ, "SMC91X irq") < 0)
 		goto free1;

 	gpio_direction_input(SMC91X_GPIO_IRQ);
 	rx51_smc91x_resources[1].start = gpio_to_irq(SMC91X_GPIO_IRQ);

 	ret = gpio_request(SMC91X_GPIO_PWRDWN, "SMC91X powerdown");
 	if (ret)
 		goto free2;
 	gpio_direction_output(SMC91X_GPIO_PWRDWN, 0);

 	ret = gpio_request(SMC91X_GPIO_RESET, "SMC91X reset");
 	if (ret)
 		goto free3;
 	gpio_direction_output(SMC91X_GPIO_RESET, 0);
 	gpio_set_value(SMC91X_GPIO_RESET, 1);
 	msleep(100);
 	gpio_set_value(SMC91X_GPIO_RESET, 0);

 	return;

 free3:
 	gpio_free(SMC91X_GPIO_PWRDWN);
 free2:
 	gpio_free(SMC91X_GPIO_IRQ);
 free1:
 	gpmc_cs_free(SMC91X_CS);

 	printk(KERN_ERR "Could not initialize smc91x\n");
 }

 static struct twl4030_madc_platform_data rx51_madc_data = {
 	.irq_line		= 1,
 };

 static struct twl4030_hsmmc_info mmc[] = {
 	{
 		.name		= "external",
 		.mmc		= 1,
 		.wires		= 4,
 		.cover_only	= true,
 		.gpio_cd	= 160,
 		.gpio_wp	= -EINVAL,
 	},
 	{
 		.name		= "internal",
 		.mmc		= 2,
 		.wires		= 8,
 		.gpio_cd	= -EINVAL,
 		.gpio_wp	= -EINVAL,
 	},
 	{}	/* Terminator */
 };

 static struct regulator_consumer_supply rx51_vmmc1_supply = {
 	.supply			= "vmmc",
 };

 static struct regulator_consumer_supply rx51_vmmc2_supply = {
 	.supply			= "vmmc",
 };

 static struct regulator_consumer_supply rx51_vsim_supply = {
 	.supply			= "vmmc_aux",
 };

 static struct regulator_init_data rx51_vaux1 = {
 	.constraints = {
 		.name			= "V28",
 		.min_uV			= 2800000,
 		.max_uV			= 2800000,
 		.valid_modes_mask	= REGULATOR_MODE_NORMAL
 					| REGULATOR_MODE_STANDBY,
 		.valid_ops_mask		= REGULATOR_CHANGE_MODE
 					| REGULATOR_CHANGE_STATUS,
 	},
 };

 static struct regulator_init_data rx51_vaux2 = {
 	.constraints = {
 		.name			= "VCSI",
 		.min_uV			= 1800000,
 		.max_uV			= 1800000,
 		.valid_modes_mask	= REGULATOR_MODE_NORMAL
 					| REGULATOR_MODE_STANDBY,
 		.valid_ops_mask		= REGULATOR_CHANGE_MODE
 					| REGULATOR_CHANGE_STATUS,
 	},
 };

 /* VAUX3 - adds more power to VIO_18 rail */
 static struct regulator_init_data rx51_vaux3 = {
 	.constraints = {
 		.name			= "VCAM_DIG_18",
 		.min_uV			= 1800000,
 		.max_uV			= 1800000,
 		.apply_uV		= true,
 		.valid_modes_mask	= REGULATOR_MODE_NORMAL
 					| REGULATOR_MODE_STANDBY,
 		.valid_ops_mask		= REGULATOR_CHANGE_MODE
 					| REGULATOR_CHANGE_STATUS,
 	},
 };

 static struct regulator_init_data rx51_vaux4 = {
 	.constraints = {
 		.name			= "VCAM_ANA_28",
 		.min_uV			= 2800000,
 		.max_uV			= 2800000,
 		.apply_uV		= true,
 		.valid_modes_mask	= REGULATOR_MODE_NORMAL
 					| REGULATOR_MODE_STANDBY,
 		.valid_ops_mask		= REGULATOR_CHANGE_MODE
 					| REGULATOR_CHANGE_STATUS,
 	},
 };

 static struct regulator_init_data rx51_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	= &rx51_vmmc1_supply,
 };

 static struct regulator_init_data rx51_vmmc2 = {
 	.constraints = {
 		.name			= "VMMC2_30",
 		.min_uV			= 1850000,
 		.max_uV			= 3150000,
 		.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	= &rx51_vmmc2_supply,
 };

 static struct regulator_init_data rx51_vsim = {
 	.constraints = {
 		.name			= "VMMC2_IO_18",
 		.min_uV			= 1800000,
 		.max_uV			= 1800000,
 		.apply_uV		= true,
 		.valid_modes_mask	= REGULATOR_MODE_NORMAL
 					| REGULATOR_MODE_STANDBY,
 		.valid_ops_mask		= REGULATOR_CHANGE_MODE
 					| REGULATOR_CHANGE_STATUS,
 	},
 	.num_consumer_supplies	= 1,
 	.consumer_supplies	= &rx51_vsim_supply,
 };

 static struct regulator_init_data rx51_vdac = {
 	.constraints = {
 		.min_uV			= 1800000,
 		.max_uV			= 1800000,
 		.valid_modes_mask	= REGULATOR_MODE_NORMAL
 					| REGULATOR_MODE_STANDBY,
 		.valid_ops_mask		= REGULATOR_CHANGE_VOLTAGE
 					| REGULATOR_CHANGE_MODE
 					| REGULATOR_CHANGE_STATUS,
 	},
 };

 static int rx51_twlgpio_setup(struct device *dev, unsigned gpio, unsigned n)
 {
 	/* FIXME this gpio setup is just a placeholder for now */
 	gpio_request(gpio + 6, "backlight_pwm");
 	gpio_direction_output(gpio + 6, 0);
 	gpio_request(gpio + 7, "speaker_en");
 	gpio_direction_output(gpio + 7, 1);

 	/* set up MMC adapters, linking their regulators to them */
 	twl4030_mmc_init(mmc);
 	rx51_vmmc1_supply.dev = mmc[0].dev;
 	rx51_vmmc2_supply.dev = mmc[1].dev;
 	rx51_vsim_supply.dev = mmc[1].dev;

 	return 0;
 }

 static struct twl4030_gpio_platform_data rx51_gpio_data = {
 	.gpio_base		= OMAP_MAX_GPIO_LINES,
 	.irq_base		= TWL4030_GPIO_IRQ_BASE,
 	.irq_end		= TWL4030_GPIO_IRQ_END,
 	.pulldowns		= BIT(0) | BIT(1) | BIT(2) | BIT(3)
 				| BIT(4) | BIT(5)
 				| BIT(8) | BIT(9) | BIT(10) | BIT(11)
 				| BIT(12) | BIT(13) | BIT(14) | BIT(15)
 				| BIT(16) | BIT(17) ,
 	.setup			= rx51_twlgpio_setup,
 };

 static struct twl4030_platform_data rx51_twldata = {
 	.irq_base		= TWL4030_IRQ_BASE,
 	.irq_end		= TWL4030_IRQ_END,

 	/* platform_data for children goes here */
 	.gpio			= &rx51_gpio_data,
 	.keypad			= &rx51_kp_data,
 	.madc			= &rx51_madc_data,

 	.vaux1			= &rx51_vaux1,
 	.vaux2			= &rx51_vaux2,
 	.vaux3			= &rx51_vaux3,
 	.vaux4			= &rx51_vaux4,
 	.vmmc1			= &rx51_vmmc1,
 	.vmmc2			= &rx51_vmmc2,
 	.vsim			= &rx51_vsim,
 	.vdac			= &rx51_vdac,
 };

 static struct i2c_board_info __initdata rx51_peripherals_i2c_board_info_1[] = {
 	{
 		I2C_BOARD_INFO("twl5030", 0x48),
 		.flags = I2C_CLIENT_WAKE,
 		.irq = INT_34XX_SYS_NIRQ,
 		.platform_data = &rx51_twldata,
 	},
 };

 static int __init rx51_i2c_init(void)
 {
 	omap_register_i2c_bus(1, 2600, rx51_peripherals_i2c_board_info_1,
 			ARRAY_SIZE(rx51_peripherals_i2c_board_info_1));
 	omap_register_i2c_bus(2, 100, NULL, 0);
 	omap_register_i2c_bus(3, 400, NULL, 0);
 	return 0;
 }


 void __init rx51_peripherals_init(void)
 {
 	platform_add_devices(rx51_peripherals_devices,
 				ARRAY_SIZE(rx51_peripherals_devices));
 	rx51_i2c_init();
 	rx51_init_smc91x();
 }
	/*
	* linux/arch/arm/mach-omap2/board-rx51-flash.c
	*
	* Copyright (C) 2008-2009 Nokia
	*
	* 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/input.h>
	#include <linux/spi/spi.h>
	#include <linux/i2c.h>
	#include <linux/i2c/twl4030.h>
	#include <linux/clk.h>
	#include <linux/delay.h>
	#include <linux/regulator/machine.h>
	#include <linux/gpio.h>

	#include <mach/mcspi.h>
	#include <mach/mux.h>
	#include <mach/board.h>
	#include <mach/common.h>
	#include <mach/dma.h>
	#include <mach/gpmc.h>
	#include <mach/keypad.h>

	#include "mmc-twl4030.h"


	#define SMC91X_CS 1
	#define SMC91X_GPIO_IRQ 54
	#define SMC91X_GPIO_RESET 164
	#define SMC91X_GPIO_PWRDWN 86

	static struct resource rx51_smc91x_resources[] = {
	[0] = {
	.flags = IORESOURCE_MEM,
	},
	[1] = {
	.flags = IORESOURCE_IRQ \| IORESOURCE_IRQ_HIGHEDGE,
	},
	};

	static struct platform_device rx51_smc91x_device = {
	.name = "smc91x",
	.id = -1,
	.num_resources = ARRAY_SIZE(rx51_smc91x_resources),
	.resource = rx51_smc91x_resources,
	};

	static int rx51_keymap[] = {
	KEY(0, 0, KEY_Q),
	KEY(0, 1, KEY_W),
	KEY(0, 2, KEY_E),
	KEY(0, 3, KEY_R),
	KEY(0, 4, KEY_T),
	KEY(0, 5, KEY_Y),
	KEY(0, 6, KEY_U),
	KEY(0, 7, KEY_I),
	KEY(1, 0, KEY_O),
	KEY(1, 1, KEY_D),
	KEY(1, 2, KEY_DOT),
	KEY(1, 3, KEY_V),
	KEY(1, 4, KEY_DOWN),
	KEY(2, 0, KEY_P),
	KEY(2, 1, KEY_F),
	KEY(2, 2, KEY_UP),
	KEY(2, 3, KEY_B),
	KEY(2, 4, KEY_RIGHT),
	KEY(3, 0, KEY_COMMA),
	KEY(3, 1, KEY_G),
	KEY(3, 2, KEY_ENTER),
	KEY(3, 3, KEY_N),
	KEY(4, 0, KEY_BACKSPACE),
	KEY(4, 1, KEY_H),
	KEY(4, 3, KEY_M),
	KEY(4, 4, KEY_LEFTCTRL),
	KEY(5, 1, KEY_J),
	KEY(5, 2, KEY_Z),
	KEY(5, 3, KEY_SPACE),
	KEY(5, 4, KEY_LEFTSHIFT),
	KEY(6, 0, KEY_A),
	KEY(6, 1, KEY_K),
	KEY(6, 2, KEY_X),
	KEY(6, 3, KEY_SPACE),
	KEY(6, 4, KEY_FN),
	KEY(7, 0, KEY_S),
	KEY(7, 1, KEY_L),
	KEY(7, 2, KEY_C),
	KEY(7, 3, KEY_LEFT),
	KEY(0xff, 0, KEY_F6),
	KEY(0xff, 1, KEY_F7),
	KEY(0xff, 2, KEY_F8),
	KEY(0xff, 4, KEY_F9),
	KEY(0xff, 5, KEY_F10),
	};

	static struct twl4030_keypad_data rx51_kp_data = {
	.rows = 8,
	.cols = 8,
	.keymap = rx51_keymap,
	.keymapsize = ARRAY_SIZE(rx51_keymap),
	.rep = 1,
	};

	static struct platform_device *rx51_peripherals_devices[] = {
	&rx51_smc91x_device,
	};

	/*
	* Timings are taken from smsc-lan91c96-ms.pdf
	*/
	static int smc91x_init_gpmc(int cs)
	{
	struct gpmc_timings t;
	const int t2_r = 45; /* t2 in Figure 12.10 */
	const int t2_w = 30; /* t2 in Figure 12.11 */
	const int t3 = 15; /* t3 in Figure 12.10 */
	const int t5_r = 0; /* t5 in Figure 12.10 */
	const int t6_r = 45; /* t6 in Figure 12.10 */
	const int t6_w = 0; /* t6 in Figure 12.11 */
	const int t7_w = 15; /* t7 in Figure 12.11 */
	const int t15 = 12; /* t15 in Figure 12.2 */
	const int t20 = 185; /* t20 in Figure 12.2 */

	memset(&t, 0, sizeof(t));

	t.cs_on = t15;
	t.cs_rd_off = t3 + t2_r + t5_r; /* Figure 12.10 */
	t.cs_wr_off = t3 + t2_w + t6_w; /* Figure 12.11 */
	t.adv_on = t3; /* Figure 12.10 */
	t.adv_rd_off = t3 + t2_r; /* Figure 12.10 */
	t.adv_wr_off = t3 + t2_w; /* Figure 12.11 */
	t.oe_off = t3 + t2_r + t5_r; /* Figure 12.10 */
	t.oe_on = t.oe_off - t6_r; /* Figure 12.10 */
	t.we_off = t3 + t2_w + t6_w; /* Figure 12.11 */
	t.we_on = t.we_off - t7_w; /* Figure 12.11 */
	t.rd_cycle = t20; /* Figure 12.2 */
	t.wr_cycle = t20; /* Figure 12.4 */
	t.access = t3 + t2_r + t5_r; /* Figure 12.10 */
	t.wr_access = t3 + t2_w + t6_w; /* Figure 12.11 */

	gpmc_cs_write_reg(cs, GPMC_CS_CONFIG1, GPMC_CONFIG1_DEVICESIZE_16);

	return gpmc_cs_set_timings(cs, &t);
	}

	static void __init rx51_init_smc91x(void)
	{
	unsigned long cs_mem_base;
	int ret;

	omap_cfg_reg(U8_34XX_GPIO54_DOWN);
	omap_cfg_reg(G25_34XX_GPIO86_OUT);
	omap_cfg_reg(H19_34XX_GPIO164_OUT);

	if (gpmc_cs_request(SMC91X_CS, SZ_16M, &cs_mem_base) < 0) {
	printk(KERN_ERR "Failed to request GPMC mem for smc91x\n");
	return;
	}

	rx51_smc91x_resources[0].start = cs_mem_base + 0x300;
	rx51_smc91x_resources[0].end = cs_mem_base + 0x30f;

	smc91x_init_gpmc(SMC91X_CS);

	if (gpio_request(SMC91X_GPIO_IRQ, "SMC91X irq") < 0)
	goto free1;

	gpio_direction_input(SMC91X_GPIO_IRQ);
	rx51_smc91x_resources[1].start = gpio_to_irq(SMC91X_GPIO_IRQ);

	ret = gpio_request(SMC91X_GPIO_PWRDWN, "SMC91X powerdown");
	if (ret)
	goto free2;
	gpio_direction_output(SMC91X_GPIO_PWRDWN, 0);

	ret = gpio_request(SMC91X_GPIO_RESET, "SMC91X reset");
	if (ret)
	goto free3;
	gpio_direction_output(SMC91X_GPIO_RESET, 0);
	gpio_set_value(SMC91X_GPIO_RESET, 1);
	msleep(100);
	gpio_set_value(SMC91X_GPIO_RESET, 0);

	return;

	free3:
	gpio_free(SMC91X_GPIO_PWRDWN);
	free2:
	gpio_free(SMC91X_GPIO_IRQ);
	free1:
	gpmc_cs_free(SMC91X_CS);

	printk(KERN_ERR "Could not initialize smc91x\n");
	}

	static struct twl4030_madc_platform_data rx51_madc_data = {
	.irq_line = 1,
	};

	static struct twl4030_hsmmc_info mmc[] = {
	{
	.name = "external",
	.mmc = 1,
	.wires = 4,
	.cover_only = true,
	.gpio_cd = 160,
	.gpio_wp = -EINVAL,
	},
	{
	.name = "internal",
	.mmc = 2,
	.wires = 8,
	.gpio_cd = -EINVAL,
	.gpio_wp = -EINVAL,
	},
	{} /* Terminator */
	};

	static struct regulator_consumer_supply rx51_vmmc1_supply = {
	.supply = "vmmc",
	};

	static struct regulator_consumer_supply rx51_vmmc2_supply = {
	.supply = "vmmc",
	};

	static struct regulator_consumer_supply rx51_vsim_supply = {
	.supply = "vmmc_aux",
	};

	static struct regulator_init_data rx51_vaux1 = {
	.constraints = {
	.name = "V28",
	.min_uV = 2800000,
	.max_uV = 2800000,
	.valid_modes_mask = REGULATOR_MODE_NORMAL
	\| REGULATOR_MODE_STANDBY,
	.valid_ops_mask = REGULATOR_CHANGE_MODE
	\| REGULATOR_CHANGE_STATUS,
	},
	};

	static struct regulator_init_data rx51_vaux2 = {
	.constraints = {
	.name = "VCSI",
	.min_uV = 1800000,
	.max_uV = 1800000,
	.valid_modes_mask = REGULATOR_MODE_NORMAL
	\| REGULATOR_MODE_STANDBY,
	.valid_ops_mask = REGULATOR_CHANGE_MODE
	\| REGULATOR_CHANGE_STATUS,
	},
	};

	/* VAUX3 - adds more power to VIO_18 rail */
	static struct regulator_init_data rx51_vaux3 = {
	.constraints = {
	.name = "VCAM_DIG_18",
	.min_uV = 1800000,
	.max_uV = 1800000,
	.apply_uV = true,
	.valid_modes_mask = REGULATOR_MODE_NORMAL
	\| REGULATOR_MODE_STANDBY,
	.valid_ops_mask = REGULATOR_CHANGE_MODE
	\| REGULATOR_CHANGE_STATUS,
	},
	};

	static struct regulator_init_data rx51_vaux4 = {
	.constraints = {
	.name = "VCAM_ANA_28",
	.min_uV = 2800000,
	.max_uV = 2800000,
	.apply_uV = true,
	.valid_modes_mask = REGULATOR_MODE_NORMAL
	\| REGULATOR_MODE_STANDBY,
	.valid_ops_mask = REGULATOR_CHANGE_MODE
	\| REGULATOR_CHANGE_STATUS,
	},
	};

	static struct regulator_init_data rx51_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 = &rx51_vmmc1_supply,
	};

	static struct regulator_init_data rx51_vmmc2 = {
	.constraints = {
	.name = "VMMC2_30",
	.min_uV = 1850000,
	.max_uV = 3150000,
	.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 = &rx51_vmmc2_supply,
	};

	static struct regulator_init_data rx51_vsim = {
	.constraints = {
	.name = "VMMC2_IO_18",
	.min_uV = 1800000,
	.max_uV = 1800000,
	.apply_uV = true,
	.valid_modes_mask = REGULATOR_MODE_NORMAL
	\| REGULATOR_MODE_STANDBY,
	.valid_ops_mask = REGULATOR_CHANGE_MODE
	\| REGULATOR_CHANGE_STATUS,
	},
	.num_consumer_supplies = 1,
	.consumer_supplies = &rx51_vsim_supply,
	};

	static struct regulator_init_data rx51_vdac = {
	.constraints = {
	.min_uV = 1800000,
	.max_uV = 1800000,
	.valid_modes_mask = REGULATOR_MODE_NORMAL
	\| REGULATOR_MODE_STANDBY,
	.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
	\| REGULATOR_CHANGE_MODE
	\| REGULATOR_CHANGE_STATUS,
	},
	};

	static int rx51_twlgpio_setup(struct device *dev, unsigned gpio, unsigned n)
	{
	/* FIXME this gpio setup is just a placeholder for now */
	gpio_request(gpio + 6, "backlight_pwm");
	gpio_direction_output(gpio + 6, 0);
	gpio_request(gpio + 7, "speaker_en");
	gpio_direction_output(gpio + 7, 1);

	/* set up MMC adapters, linking their regulators to them */
	twl4030_mmc_init(mmc);
	rx51_vmmc1_supply.dev = mmc[0].dev;
	rx51_vmmc2_supply.dev = mmc[1].dev;
	rx51_vsim_supply.dev = mmc[1].dev;

	return 0;
	}

	static struct twl4030_gpio_platform_data rx51_gpio_data = {
	.gpio_base = OMAP_MAX_GPIO_LINES,
	.irq_base = TWL4030_GPIO_IRQ_BASE,
	.irq_end = TWL4030_GPIO_IRQ_END,
	.pulldowns = BIT(0) \| BIT(1) \| BIT(2) \| BIT(3)
	\| BIT(4) \| BIT(5)
	\| BIT(8) \| BIT(9) \| BIT(10) \| BIT(11)
	\| BIT(12) \| BIT(13) \| BIT(14) \| BIT(15)
	\| BIT(16) \| BIT(17) ,
	.setup = rx51_twlgpio_setup,
	};

	static struct twl4030_platform_data rx51_twldata = {
	.irq_base = TWL4030_IRQ_BASE,
	.irq_end = TWL4030_IRQ_END,

	/* platform_data for children goes here */
	.gpio = &rx51_gpio_data,
	.keypad = &rx51_kp_data,
	.madc = &rx51_madc_data,

	.vaux1 = &rx51_vaux1,
	.vaux2 = &rx51_vaux2,
	.vaux3 = &rx51_vaux3,
	.vaux4 = &rx51_vaux4,
	.vmmc1 = &rx51_vmmc1,
	.vmmc2 = &rx51_vmmc2,
	.vsim = &rx51_vsim,
	.vdac = &rx51_vdac,
	};

	static struct i2c_board_info __initdata rx51_peripherals_i2c_board_info_1[] = {
	{
	I2C_BOARD_INFO("twl5030", 0x48),
	.flags = I2C_CLIENT_WAKE,
	.irq = INT_34XX_SYS_NIRQ,
	.platform_data = &rx51_twldata,
	},
	};

	static int __init rx51_i2c_init(void)
	{
	omap_register_i2c_bus(1, 2600, rx51_peripherals_i2c_board_info_1,
	ARRAY_SIZE(rx51_peripherals_i2c_board_info_1));
	omap_register_i2c_bus(2, 100, NULL, 0);
	omap_register_i2c_bus(3, 400, NULL, 0);
	return 0;
	}


	void __init rx51_peripherals_init(void)
	{
	platform_add_devices(rx51_peripherals_devices,
	ARRAY_SIZE(rx51_peripherals_devices));
	rx51_i2c_init();
	rx51_init_smc91x();
	}