/*
 * arch/arm/mach-tegra/board-cardhu-pm298-power-rails.c
 *
 * Copyright (C) 2011-2012, NVIDIA Corporation.
 *
 * 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.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
 * 02111-1307, USA
 */
#include <linux/i2c.h>
#include <linux/pda_power.h>
#include <linux/platform_device.h>
#include <linux/resource.h>
#include <linux/regulator/machine.h>
#include <linux/gpio.h>
#include <linux/io.h>
#include <linux/regulator/fixed.h>
#include <linux/mfd/max77663-core.h>
#include <linux/regulator/max77663-regulator.h>

#include <mach/iomap.h>
#include <mach/irqs.h>
#include <mach/pinmux.h>
#include <mach/edp.h>

#include "gpio-names.h"
#include "board.h"
#include "board-cardhu.h"
#include "pm.h"

#define PMC_CTRL		0x0
#define PMC_CTRL_INTR_LOW	BIT(17)

static struct regulator_consumer_supply max77663_sd0_supply[] = {
	REGULATOR_SUPPLY("vdd_cpu_pmu", NULL),
	REGULATOR_SUPPLY("vdd_cpu", NULL),
	REGULATOR_SUPPLY("vdd_sys", NULL),
};

static struct regulator_consumer_supply max77663_sd1_supply[] = {
	REGULATOR_SUPPLY("vdd_core", NULL),
	REGULATOR_SUPPLY("en_vddio_ddr_1v2", NULL),
};

static struct regulator_consumer_supply max77663_sd2_supply[] = {
	REGULATOR_SUPPLY("avdd_hdmi_pll", NULL),
	REGULATOR_SUPPLY("avdd_usb_pll", NULL),
	REGULATOR_SUPPLY("avdd_osc", NULL),
	REGULATOR_SUPPLY("vdd1v8_satelite", NULL),
	REGULATOR_SUPPLY("vddio_uart", NULL),
	REGULATOR_SUPPLY("pwrdet_uart", NULL),
	REGULATOR_SUPPLY("vddio_audio", NULL),
	REGULATOR_SUPPLY("pwrdet_audio", NULL),
	REGULATOR_SUPPLY("vddio_bb", NULL),
	REGULATOR_SUPPLY("pwrdet_bb", NULL),
	REGULATOR_SUPPLY("vddio_lcd_pmu", NULL),
	REGULATOR_SUPPLY("pwrdet_lcd", NULL),
	REGULATOR_SUPPLY("vddio_cam", NULL),
	REGULATOR_SUPPLY("pwrdet_cam", NULL),
	REGULATOR_SUPPLY("vddio_vi", NULL),
	REGULATOR_SUPPLY("pwrdet_vi", NULL),
	REGULATOR_SUPPLY("ldo6", NULL),
	REGULATOR_SUPPLY("ldo7", NULL),
	REGULATOR_SUPPLY("ldo8", NULL),
	REGULATOR_SUPPLY("vcore_audio", NULL),
	REGULATOR_SUPPLY("avcore_audio", NULL),
	REGULATOR_SUPPLY("vddio_sdmmc", "sdhci-tegra.2"),
	REGULATOR_SUPPLY("pwrdet_sdmmc3", NULL),
	REGULATOR_SUPPLY("vcore1_lpddr2", NULL),
	REGULATOR_SUPPLY("vcom_1v8", NULL),
	REGULATOR_SUPPLY("pmuio_1v8", NULL),
	REGULATOR_SUPPLY("avdd_ic_usb", NULL),
	REGULATOR_SUPPLY("vdd_gen1v8", NULL),
};

static struct regulator_consumer_supply max77663_sd3_supply[] = {
	REGULATOR_SUPPLY("vdd_gen1v5", NULL),
	REGULATOR_SUPPLY("vcore_lcd", NULL),
	REGULATOR_SUPPLY("track_ldo1", NULL),
	REGULATOR_SUPPLY("external_ldo_1v2", NULL),
	REGULATOR_SUPPLY("vcore_cam1", NULL),
	REGULATOR_SUPPLY("vcore_cam2", NULL),
	REGULATOR_SUPPLY("avdd_pexb", NULL),
	REGULATOR_SUPPLY("vdd_pexb", NULL),
	REGULATOR_SUPPLY("avdd_pex_pll", NULL),
	REGULATOR_SUPPLY("avdd_pexa", NULL),
	REGULATOR_SUPPLY("vdd_pexa", NULL),
	REGULATOR_SUPPLY("vcom_1v2", NULL),
	REGULATOR_SUPPLY("vdio_hsic", NULL),
};

static struct regulator_consumer_supply max77663_ldo0_supply[] = {
	REGULATOR_SUPPLY("vdd_ddr_hs", NULL),
};

static struct regulator_consumer_supply max77663_ldo1_supply[] = {
	REGULATOR_SUPPLY("avdd_plla_p_c_s", NULL),
	REGULATOR_SUPPLY("avdd_pllm", NULL),
	REGULATOR_SUPPLY("avdd_pllu_d", NULL),
	REGULATOR_SUPPLY("avdd_pllu_d2", NULL),
	REGULATOR_SUPPLY("avdd_pllx", NULL),
};

static struct regulator_consumer_supply max77663_ldo2_supply[] = {
	REGULATOR_SUPPLY("avdd_dsi_csi", NULL),
	REGULATOR_SUPPLY("pwrdet_mipi", NULL),
};

static struct regulator_consumer_supply max77663_ldo3_supply[] = {
	REGULATOR_SUPPLY("vddio_sdmmc", "sdhci-tegra.3"),
	REGULATOR_SUPPLY("pwrdet_sdmmc4", NULL),
};

static struct regulator_consumer_supply max77663_ldo4_supply[] = {
	REGULATOR_SUPPLY("vdd_rtc", NULL),
};

static struct regulator_consumer_supply max77663_ldo5_supply[] = {
	REGULATOR_SUPPLY("vddio_sdmmc", "sdhci-tegra.0"),
	REGULATOR_SUPPLY("pwrdet_sdmmc1", NULL),
};

static struct regulator_consumer_supply max77663_ldo6_supply[] = {
	REGULATOR_SUPPLY("vddio_sys", NULL),
};

static struct regulator_consumer_supply max77663_ldo7_supply[] = {
	REGULATOR_SUPPLY("unused_ldo7", NULL),
};

static struct regulator_consumer_supply max77663_ldo8_supply[] = {
	REGULATOR_SUPPLY("vcore_mmc", NULL),
};

static struct max77663_regulator_fps_cfg max77663_fps_cfgs[] = {
	{
		.src = FPS_SRC_0,
		.en_src = FPS_EN_SRC_EN0,
		.time_period = FPS_TIME_PERIOD_DEF,
	},
	{
		.src = FPS_SRC_1,
		.en_src = FPS_EN_SRC_EN1,
		.time_period = FPS_TIME_PERIOD_DEF,
	},
	{
		.src = FPS_SRC_2,
		.en_src = FPS_EN_SRC_EN0,
		.time_period = FPS_TIME_PERIOD_DEF,
	},
};

#define MAX77663_PDATA_INIT(_id, _min_uV, _max_uV, _supply_reg,		\
			    _always_on, _boot_on, _apply_uV,		\
			    _init_apply, _init_enable, _init_uV,	\
			    _fps_src, _fps_pu_period, _fps_pd_period, _flags) \
	static struct max77663_regulator_platform_data max77663_regulator_pdata_##_id = \
	{								\
		.init_data = {						\
			.constraints = {				\
				.min_uV = _min_uV,			\
				.max_uV = _max_uV,			\
				.valid_modes_mask = (REGULATOR_MODE_NORMAL |  \
						     REGULATOR_MODE_STANDBY), \
				.valid_ops_mask = (REGULATOR_CHANGE_MODE |    \
						   REGULATOR_CHANGE_STATUS |  \
						   REGULATOR_CHANGE_VOLTAGE), \
				.always_on = _always_on,		\
				.boot_on = _boot_on,			\
				.apply_uV = _apply_uV,			\
			},						\
			.num_consumer_supplies =			\
				ARRAY_SIZE(max77663_##_id##_supply),	\
			.consumer_supplies = max77663_##_id##_supply,	\
			.supply_regulator = _supply_reg,		\
		},							\
		.init_apply = _init_apply,				\
		.init_enable = _init_enable,				\
		.init_uV = _init_uV,					\
		.fps_src = _fps_src,					\
		.fps_pu_period = _fps_pu_period,			\
		.fps_pd_period = _fps_pd_period,			\
		.fps_cfgs = max77663_fps_cfgs,				\
		.flags = _flags,					\
	}

MAX77663_PDATA_INIT(sd0,  600000, 3387500, NULL, 1, 0, 0,
		    0, 0, -1, FPS_SRC_NONE, -1, -1, EN2_CTRL_SD0 | SD_FSRADE_DISABLE);

MAX77663_PDATA_INIT(sd1,  800000, 1587500, NULL, 1, 0, 0,
		    1, 1, -1, FPS_SRC_1, -1, -1, SD_FSRADE_DISABLE);

MAX77663_PDATA_INIT(sd2,  600000, 3387500, NULL, 1, 0, 0,
		    1, 1, -1, FPS_SRC_NONE, -1, -1, 0);

MAX77663_PDATA_INIT(sd3,  600000, 3387500, NULL, 0, 0, 0,
		    1, 1, -1, FPS_SRC_NONE, -1, -1, 0);

MAX77663_PDATA_INIT(ldo0, 800000, 2350000, max77663_rails(sd2), 0, 0, 0,
		    1, 1, -1, FPS_SRC_NONE, -1, -1, 0);

MAX77663_PDATA_INIT(ldo1, 800000, 2350000, max77663_rails(sd2), 0, 0, 0,
		    1, 1, -1, FPS_SRC_NONE, -1, -1, 0);

MAX77663_PDATA_INIT(ldo2, 800000, 3950000, max77663_rails(sd2), 0, 0, 0,
		    0, 0, -1, FPS_SRC_NONE, -1, -1, 0);

MAX77663_PDATA_INIT(ldo3, 800000, 3950000, NULL, 0, 0, 0,
		    1, 1, -1, FPS_SRC_NONE, -1, -1, 0);

MAX77663_PDATA_INIT(ldo4, 800000, 1587500, NULL, 0, 0, 0,
		    1, 1, -1, FPS_SRC_NONE, -1, -1, 0);

MAX77663_PDATA_INIT(ldo5, 800000, 3950000, NULL, 0, 0, 0,
		    0, 0, -1, FPS_SRC_NONE, -1, -1, 0);

MAX77663_PDATA_INIT(ldo6, 800000, 3950000, NULL, 1, 0, 0,
		    1, 1, -1, FPS_SRC_NONE, -1, -1, 0);

MAX77663_PDATA_INIT(ldo7, 800000, 3950000, NULL, 0, 0, 0,
		    0, 0, -1, FPS_SRC_NONE, -1, -1, 0);

MAX77663_PDATA_INIT(ldo8, 800000, 3950000, NULL, 0, 0, 0,
		    1, 1, -1, FPS_SRC_NONE, -1, -1, 0);

#define MAX77663_REG(_id, _data)					\
	{								\
		.name = "max77663-regulator",				\
		.id = MAX77663_REGULATOR_ID_##_id,			\
		.platform_data = &max77663_regulator_pdata_##_data,	\
		.pdata_size = sizeof(max77663_regulator_pdata_##_data),	\
	}

#define MAX77663_RTC()							\
	{								\
		.name = "max77663-rtc",					\
		.id = 0,						\
	}

static struct mfd_cell max77663_subdevs[] = {
	MAX77663_REG(SD0, sd0),
	MAX77663_REG(SD1, sd1),
	MAX77663_REG(SD2, sd2),
	MAX77663_REG(SD3, sd3),
	MAX77663_REG(LDO0, ldo0),
	MAX77663_REG(LDO1, ldo1),
	MAX77663_REG(LDO2, ldo2),
	MAX77663_REG(LDO3, ldo3),
	MAX77663_REG(LDO4, ldo4),
	MAX77663_REG(LDO5, ldo5),
	MAX77663_REG(LDO6, ldo6),
	MAX77663_REG(LDO7, ldo7),
	MAX77663_REG(LDO8, ldo8),
	MAX77663_RTC(),
};

struct max77663_gpio_config max77663_gpio_cfgs[] = {
	{
		.gpio = MAX77663_GPIO0,
		.dir = GPIO_DIR_OUT,
		.dout = GPIO_DOUT_LOW,
		.out_drv = GPIO_OUT_DRV_PUSH_PULL,
		.alternate = GPIO_ALT_DISABLE,
	},
	{
		.gpio = MAX77663_GPIO1,
		.dir = GPIO_DIR_OUT,
		.dout = GPIO_DOUT_HIGH,
		.out_drv = GPIO_OUT_DRV_OPEN_DRAIN,
		.alternate = GPIO_ALT_DISABLE,
	},
	{
		.gpio = MAX77663_GPIO2,
		.dir = GPIO_DIR_OUT,
		.dout = GPIO_DOUT_HIGH,
		.out_drv = GPIO_OUT_DRV_OPEN_DRAIN,
		.alternate = GPIO_ALT_DISABLE,
	},
	{
		.gpio = MAX77663_GPIO3,
		.dir = GPIO_DIR_OUT,
		.dout = GPIO_DOUT_HIGH,
		.out_drv = GPIO_OUT_DRV_OPEN_DRAIN,
		.alternate = GPIO_ALT_DISABLE,
	},
	{
		.gpio = MAX77663_GPIO4,
		.out_drv = GPIO_OUT_DRV_PUSH_PULL,
		.alternate = GPIO_ALT_ENABLE,
	},
	{
		.gpio = MAX77663_GPIO5,
		.dir = GPIO_DIR_OUT,
		.dout = GPIO_DOUT_LOW,
		.out_drv = GPIO_OUT_DRV_PUSH_PULL,
		.alternate = GPIO_ALT_DISABLE,
	},
	{
		.gpio = MAX77663_GPIO6,
		.dir = GPIO_DIR_OUT,
		.dout = GPIO_DOUT_LOW,
		.out_drv = GPIO_OUT_DRV_PUSH_PULL,
		.alternate = GPIO_ALT_DISABLE,
	},
	{
		.gpio = MAX77663_GPIO7,
		.dir = GPIO_DIR_OUT,
		.dout = GPIO_DOUT_LOW,
		.out_drv = GPIO_OUT_DRV_PUSH_PULL,
		.alternate = GPIO_ALT_DISABLE,
	},
};

static struct max77663_platform_data max7763_pdata = {
	.irq_base	= MAX77663_IRQ_BASE,
	.gpio_base	= MAX77663_GPIO_BASE,

	.num_gpio_cfgs = ARRAY_SIZE(max77663_gpio_cfgs),
	.gpio_cfgs = max77663_gpio_cfgs,

	.num_subdevs	= ARRAY_SIZE(max77663_subdevs),
	.sub_devices	= max77663_subdevs,

	.use_power_off	= true,
};

static struct i2c_board_info __initdata max77663_regulators[] = {
	{
		/* The I2C address was determined by OTP factory setting */
		I2C_BOARD_INFO("max77663", 0x1C),
		.irq		= INT_EXTERNAL_PMU,
		.platform_data	= &max7763_pdata,
	},
};

int __init cardhu_pm298_regulator_init(void)
{
	struct board_info board_info;
	struct board_info pmu_board_info;
	void __iomem *pmc = IO_ADDRESS(TEGRA_PMC_BASE);
	u32 pmc_ctrl;

	/* configure the power management controller to trigger PMU
	 * interrupts when low */
	pmc_ctrl = readl(pmc + PMC_CTRL);
	writel(pmc_ctrl | PMC_CTRL_INTR_LOW, pmc + PMC_CTRL);

	/* The regulator details have complete constraints */
	tegra_get_board_info(&board_info);
	tegra_get_pmu_board_info(&pmu_board_info);
	if (pmu_board_info.board_id != BOARD_PMU_PM298) {
		pr_err("%s(): Board ID is not proper\n", __func__);
		return -ENODEV;
	}

	i2c_register_board_info(4, max77663_regulators,
				ARRAY_SIZE(max77663_regulators));

	return 0;
}

static struct regulator_consumer_supply fixed_reg_en_track_ldo2_supply[] = {
	REGULATOR_SUPPLY("avdd_sata", NULL),
	REGULATOR_SUPPLY("vdd_sata", NULL),
	REGULATOR_SUPPLY("avdd_sata_pll", NULL),
	REGULATOR_SUPPLY("avdd_plle", NULL),
};

static struct regulator_consumer_supply fixed_reg_en_5v0_supply[] = {
	REGULATOR_SUPPLY("vdd_5v0_sys", NULL),
	REGULATOR_SUPPLY("vdd_5v0_sby", NULL),
	REGULATOR_SUPPLY("vdd_hall", NULL),
	REGULATOR_SUPPLY("vterm_ddr", NULL),
	REGULATOR_SUPPLY("v2ref_ddr", NULL),
};

static struct regulator_consumer_supply fixed_reg_en_ddr_supply[] = {
	REGULATOR_SUPPLY("mem_vddio_ddr", NULL),
	REGULATOR_SUPPLY("t30_vddio_ddr", NULL),
};

static struct regulator_consumer_supply fixed_reg_en_3v3_sys_supply[] = {
	REGULATOR_SUPPLY("avdd_vdac", NULL),
	REGULATOR_SUPPLY("vdd_lvds", NULL),
	REGULATOR_SUPPLY("vdd_pnl", NULL),
	REGULATOR_SUPPLY("vcom_3v3", NULL),
	REGULATOR_SUPPLY("vdd_3v3", NULL),
	REGULATOR_SUPPLY("vddio_pex_ctl", NULL),
	REGULATOR_SUPPLY("pwrdet_pex_ctl", NULL),
	REGULATOR_SUPPLY("hvdd_pex_pmu", NULL),
	REGULATOR_SUPPLY("avdd_hdmi", NULL),
	REGULATOR_SUPPLY("vpp_fuse", NULL),
	REGULATOR_SUPPLY("avdd_usb", NULL),
	REGULATOR_SUPPLY("vdd_ddr_rx", NULL),
	REGULATOR_SUPPLY("vcore_nand", NULL),
	REGULATOR_SUPPLY("hvdd_sata", NULL),
	REGULATOR_SUPPLY("vddio_gmi_pmu", NULL),
	REGULATOR_SUPPLY("pwrdet_nand", NULL),
	REGULATOR_SUPPLY("avdd_cam1", NULL),
	REGULATOR_SUPPLY("vdd_af", NULL),
	REGULATOR_SUPPLY("avdd_cam2", NULL),
	REGULATOR_SUPPLY("vdd_acc", NULL),
	REGULATOR_SUPPLY("vdd_phtl", NULL),
	REGULATOR_SUPPLY("vddio_tp", NULL),
	REGULATOR_SUPPLY("vdd_led", NULL),
	REGULATOR_SUPPLY("vddio_cec", NULL),
	REGULATOR_SUPPLY("vdd_cmps", NULL),
	REGULATOR_SUPPLY("vdd_temp", NULL),
	REGULATOR_SUPPLY("vpp_kfuse", NULL),
	REGULATOR_SUPPLY("vddio_ts", NULL),
	REGULATOR_SUPPLY("vdd_ir_led", NULL),
	REGULATOR_SUPPLY("vddio_1wire", NULL),
	REGULATOR_SUPPLY("avddio_audio", NULL),
	REGULATOR_SUPPLY("vdd_ec", NULL),
	REGULATOR_SUPPLY("vcom_pa", NULL),
	REGULATOR_SUPPLY("vdd_3v3_devices", NULL),
	REGULATOR_SUPPLY("vdd_3v3_dock", NULL),
	REGULATOR_SUPPLY("vdd_3v3_edid", NULL),
	REGULATOR_SUPPLY("vdd_3v3_hdmi_cec", NULL),
	REGULATOR_SUPPLY("vdd_3v3_gmi", NULL),
	REGULATOR_SUPPLY("vdd_3v3_spk_amp", NULL),
	REGULATOR_SUPPLY("vdd_3v3_sensor", NULL),
	REGULATOR_SUPPLY("vdd_3v3_cam", NULL),
	REGULATOR_SUPPLY("vdd_3v3_als", NULL),
	REGULATOR_SUPPLY("debug_cons", NULL),
	REGULATOR_SUPPLY("vdd", "4-004c"),
};

/* DIS_5V_SWITCH from AP SPI2_SCK X02 */
static struct regulator_consumer_supply fixed_reg_dis_5v_switch_supply[] = {
	REGULATOR_SUPPLY("master_5v_switch", NULL),
};

/* EN_VDD_BL */
static struct regulator_consumer_supply fixed_reg_en_vdd_bl_supply[] = {
	REGULATOR_SUPPLY("vdd_backlight", NULL),
	REGULATOR_SUPPLY("vdd_backlight1", NULL),
};

/* EN_3V3_MODEM from AP GPIO VI_VSYNCH D06*/
static struct regulator_consumer_supply fixed_reg_en_3v3_modem_supply[] = {
	REGULATOR_SUPPLY("vdd_3v3_mini_card", NULL),
	REGULATOR_SUPPLY("vdd_mini_card", NULL),
};
/* EN_VDD_PNL1 from AP GPIO VI_D6 L04*/
static struct regulator_consumer_supply fixed_reg_en_vdd_pnl1_supply[] = {
	REGULATOR_SUPPLY("vdd_lcd_panel", NULL),
};

/* CAM1_LDO_EN from AP GPIO KB_ROW6 R06*/
static struct regulator_consumer_supply fixed_reg_cam1_ldo_en_supply[] = {
	REGULATOR_SUPPLY("vdd_2v8_cam1", NULL),
	REGULATOR_SUPPLY("avdd", "6-0072"),
};

/* CAM2_LDO_EN from AP GPIO KB_ROW7 R07*/
static struct regulator_consumer_supply fixed_reg_cam2_ldo_en_supply[] = {
	REGULATOR_SUPPLY("vdd_2v8_cam2", NULL),
	REGULATOR_SUPPLY("avdd", "7-0072"),
};

/* CAM3_LDO_EN from AP GPIO KB_ROW8 S00*/
static struct regulator_consumer_supply fixed_reg_cam3_ldo_en_supply[] = {
	REGULATOR_SUPPLY("vdd_cam3", NULL),
};

/* EN_VDD_COM from AP GPIO SDMMC3_DAT5 D00*/
static struct regulator_consumer_supply fixed_reg_en_vdd_com_supply[] = {
	REGULATOR_SUPPLY("vdd_com_bd", NULL),
};

/* EN_VDD_SDMMC1 from AP GPIO VI_HSYNC D07*/
static struct regulator_consumer_supply fixed_reg_en_vdd_sdmmc1_supply[] = {
	REGULATOR_SUPPLY("vddio_sd_slot", "sdhci-tegra.0"),
};

/* EN_3V3_EMMC from AP GPIO SDMMC3_DAT4 D01*/
static struct regulator_consumer_supply fixed_reg_en_3v3_emmc_supply[] = {
	REGULATOR_SUPPLY("vdd_emmc_core", NULL),
};

/* EN_3V3_PEX_HVDD from AP GPIO VI_D09 L07*/
static struct regulator_consumer_supply fixed_reg_en_3v3_pex_hvdd_supply[] = {
	REGULATOR_SUPPLY("hvdd_pex", NULL),
};

/* EN_3v3_FUSE from AP GPIO VI_D08 L06*/
static struct regulator_consumer_supply fixed_reg_en_3v3_fuse_supply[] = {
	REGULATOR_SUPPLY("vdd_fuse", NULL),
};

/* EN_1V8_CAM from AP GPIO GPIO_PBB4 PBB04*/
static struct regulator_consumer_supply fixed_reg_en_1v8_cam_supply[] = {
	REGULATOR_SUPPLY("vdd_1v8_cam1", NULL),
	REGULATOR_SUPPLY("vdd_1v8_cam2", NULL),
	REGULATOR_SUPPLY("vdd_1v8_cam3", NULL),
	REGULATOR_SUPPLY("dvdd", "6-0072"),
	REGULATOR_SUPPLY("dvdd", "7-0072"),
	REGULATOR_SUPPLY("vdd_i2c", "2-0033"),
};

static struct regulator_consumer_supply fixed_reg_en_vbrtr_supply[] = {
	REGULATOR_SUPPLY("vdd_vbrtr", NULL),
};


/* EN_USB1_VBUS_OC*/
static struct regulator_consumer_supply fixed_reg_en_usb1_vbus_oc_supply[] = {
	REGULATOR_SUPPLY("vdd_vbus_micro_usb", NULL),
};

/*EN_USB3_VBUS_OC*/
static struct regulator_consumer_supply fixed_reg_en_usb3_vbus_oc_supply[] = {
	REGULATOR_SUPPLY("vdd_vbus_typea_usb", NULL),
};

/* EN_VDDIO_VID_OC from AP GPIO VI_PCLK T00*/
static struct regulator_consumer_supply fixed_reg_en_vddio_vid_oc_supply[] = {
	REGULATOR_SUPPLY("vdd_hdmi_con", NULL),
};

/* Macro for defining fixed regulator sub device data */
#define FIXED_SUPPLY(_name) "fixed_reg_"#_name
#define FIXED_REG_OD(_id, _var, _name, _in_supply, _always_on, _boot_on,      \
		 _gpio_nr, _active_high, _boot_state, _millivolts, _od_state) \
	static struct regulator_init_data ri_data_##_var =		\
	{								\
		.supply_regulator = _in_supply,				\
		.num_consumer_supplies =				\
			ARRAY_SIZE(fixed_reg_##_name##_supply),		\
		.consumer_supplies = fixed_reg_##_name##_supply,	\
		.constraints = {					\
			.valid_modes_mask = (REGULATOR_MODE_NORMAL |	\
					REGULATOR_MODE_STANDBY),	\
			.valid_ops_mask = (REGULATOR_CHANGE_MODE |	\
					REGULATOR_CHANGE_STATUS |	\
					REGULATOR_CHANGE_VOLTAGE),	\
			.always_on = _always_on,			\
			.boot_on = _boot_on,				\
		},							\
	};								\
	static struct fixed_voltage_config fixed_reg_##_var##_pdata =	\
	{								\
		.supply_name = FIXED_SUPPLY(_name),			\
		.microvolts = _millivolts * 1000,			\
		.gpio = _gpio_nr,					\
		.enable_high = _active_high,				\
		.enabled_at_boot = _boot_state,				\
		.init_data = &ri_data_##_var,				\
		.gpio_is_open_drain = _od_state,			\
	};								\
	static struct platform_device fixed_reg_##_var##_dev = {	\
		.name   = "reg-fixed-voltage",				\
		.id     = _id,						\
		.dev    = {						\
			.platform_data = &fixed_reg_##_var##_pdata,	\
		},							\
	}

#define FIXED_REG(_id, _var, _name, _in_supply, _always_on, _boot_on,	\
		 _gpio_nr, _active_high, _boot_state, _millivolts)	\
	FIXED_REG_OD(_id, _var, _name, _in_supply, _always_on, _boot_on,  \
		 _gpio_nr, _active_high, _boot_state, _millivolts, false) \

/* common to most of boards*/
FIXED_REG(0, en_track_ldo2,	en_track_ldo2,	NULL,				0,	0,	MAX77663_GPIO_BASE + MAX77663_GPIO0,	true,	0, 3300);
FIXED_REG(1, en_5v0,		en_5v0,		NULL,				1,      0,      MAX77663_GPIO_BASE + MAX77663_GPIO2,	true,	1, 5000);
FIXED_REG(2, en_ddr,		en_ddr,		NULL,				1,      0,      MAX77663_GPIO_BASE + MAX77663_GPIO3,	true,	1, 1500);
FIXED_REG(3, en_3v3_sys,	en_3v3_sys,	NULL,				1,      0,      MAX77663_GPIO_BASE + MAX77663_GPIO1,	true,	1, 3300);
FIXED_REG(4, en_vdd_bl,		en_vdd_bl,	NULL,				0,      0,      TEGRA_GPIO_PK3,		true,	1, 5000);
FIXED_REG(5, en_3v3_modem,	en_3v3_modem,	NULL,				1,      0,      TEGRA_GPIO_PD6,		true,	1, 3300);
FIXED_REG(6, en_vdd_pnl1,	en_vdd_pnl1,	FIXED_SUPPLY(en_3v3_sys),	0,      0,      TEGRA_GPIO_PL4,		true,	1, 3300);
FIXED_REG(7, cam3_ldo_en,	cam3_ldo_en,	FIXED_SUPPLY(en_3v3_sys),	0,      0,      TEGRA_GPIO_PS0,		true,	0, 3300);
FIXED_REG(8, en_vdd_com,	en_vdd_com,	FIXED_SUPPLY(en_3v3_sys),	1,      0,      TEGRA_GPIO_PD0,		true,	1, 3300);
FIXED_REG(9, en_3v3_fuse,	en_3v3_fuse,	FIXED_SUPPLY(en_3v3_sys),	0,      0,      TEGRA_GPIO_PL6,		true,	0, 3300);
FIXED_REG(10, en_3v3_emmc,	en_3v3_emmc,	FIXED_SUPPLY(en_3v3_sys),	1,      0,      TEGRA_GPIO_PD1,		true,	1, 3300);
FIXED_REG(11, en_vdd_sdmmc1,	en_vdd_sdmmc1,	FIXED_SUPPLY(en_3v3_sys),	0,      0,      TEGRA_GPIO_PD7,		true,	1, 3300);
FIXED_REG(12, en_3v3_pex_hvdd,	en_3v3_pex_hvdd, FIXED_SUPPLY(en_3v3_sys),	0,      0,      TEGRA_GPIO_PL7,		true,	0, 3300);
FIXED_REG(13, en_1v8_cam,	en_1v8_cam,	max77663_rails(sd2),		0,      0,      TEGRA_GPIO_PBB4,	true,	0, 1800);

/*Specific to pm269*/
FIXED_REG(4, en_vdd_bl_pm269,		en_vdd_bl,		NULL, 				0,      0,      TEGRA_GPIO_PH3,	true,	1, 5000);
FIXED_REG(6, en_vdd_pnl1_pm269,		en_vdd_pnl1,		FIXED_SUPPLY(en_3v3_sys), 	0,      0,      TEGRA_GPIO_PW1,	true,	0, 3300);
FIXED_REG(9, en_3v3_fuse_pm269,		en_3v3_fuse,		FIXED_SUPPLY(en_3v3_sys), 	0,      0,      TEGRA_GPIO_PC1,	true,	0, 3300);
FIXED_REG(12, en_3v3_pex_hvdd_pm269,	en_3v3_pex_hvdd,	FIXED_SUPPLY(en_3v3_sys),	0,     	0,      TEGRA_GPIO_PC6,	true,	0, 3300);

/* Specific to E1187/E1186/E1256 */
FIXED_REG(14, dis_5v_switch_e118x,	dis_5v_switch,		FIXED_SUPPLY(en_5v0), 0,      0,      TEGRA_GPIO_PX2,		false,	0, 5000);

/* E1198/E1291 specific*/
FIXED_REG(18, cam1_ldo_en,	cam1_ldo_en,	FIXED_SUPPLY(en_3v3_sys),	0,      0,      TEGRA_GPIO_PR6,		true,	0, 2800);
FIXED_REG(19, cam2_ldo_en,	cam2_ldo_en,	FIXED_SUPPLY(en_3v3_sys),	0,      0,      TEGRA_GPIO_PR7,		true,	0, 2800);
FIXED_REG(22, en_vbrtr,		en_vbrtr,	FIXED_SUPPLY(en_3v3_sys),	0,      0,      PMU_TCA6416_GPIO_PORT12,	true,	0, 3300);

/**** Open collector Load switches ****/
/*Specific to pm269*/
FIXED_REG_OD(17, en_vddio_vid_oc_pm269,	en_vddio_vid_oc,	FIXED_SUPPLY(dis_5v_switch), 0,      0,      TEGRA_GPIO_PP2,	true,	0, 5000, true);

/* Specific to E1187/E1186/E1256 */
FIXED_REG_OD(15, en_usb1_vbus_oc_e118x,	en_usb1_vbus_oc,	FIXED_SUPPLY(dis_5v_switch), 0,      0,      TEGRA_GPIO_PI4,	true,	0, 5000, true);
FIXED_REG_OD(16, en_usb3_vbus_oc_e118x,	en_usb3_vbus_oc,	FIXED_SUPPLY(dis_5v_switch), 0,      0,      TEGRA_GPIO_PH7,	true,	0, 5000, true);
FIXED_REG_OD(17, en_vddio_vid_oc_e118x,	en_vddio_vid_oc,	FIXED_SUPPLY(dis_5v_switch), 0,      0,      TEGRA_GPIO_PT0,	true,	0, 5000, true);

/*
 * Creating the fixed/gpio-switch regulator device tables for different boards
 */
#define ADD_FIXED_REG(_name)	(&fixed_reg_##_name##_dev)

#define COMMON_FIXED_REG \
	ADD_FIXED_REG(en_track_ldo2),		\
	ADD_FIXED_REG(en_5v0),			\
	ADD_FIXED_REG(en_ddr),			\
	ADD_FIXED_REG(en_3v3_sys),		\
	ADD_FIXED_REG(en_3v3_modem),		\
	ADD_FIXED_REG(en_vdd_pnl1),		\
	ADD_FIXED_REG(cam1_ldo_en),		\
	ADD_FIXED_REG(cam2_ldo_en),		\
	ADD_FIXED_REG(cam3_ldo_en),		\
	ADD_FIXED_REG(en_vdd_com),		\
	ADD_FIXED_REG(en_3v3_fuse),		\
	ADD_FIXED_REG(en_3v3_emmc),		\
	ADD_FIXED_REG(en_vdd_sdmmc1),		\
	ADD_FIXED_REG(en_3v3_pex_hvdd),		\
	ADD_FIXED_REG(en_1v8_cam),

#define PM269_FIXED_REG \
	ADD_FIXED_REG(en_track_ldo2),		\
	ADD_FIXED_REG(en_5v0),			\
	ADD_FIXED_REG(en_ddr),			\
	ADD_FIXED_REG(en_vdd_bl_pm269),		\
	ADD_FIXED_REG(en_3v3_sys),		\
	ADD_FIXED_REG(en_3v3_modem),		\
	ADD_FIXED_REG(en_vdd_pnl1_pm269),	\
	ADD_FIXED_REG(cam1_ldo_en),		\
	ADD_FIXED_REG(cam2_ldo_en),		\
	ADD_FIXED_REG(cam3_ldo_en),		\
	ADD_FIXED_REG(en_vdd_com),		\
	ADD_FIXED_REG(en_3v3_fuse_pm269),	\
	ADD_FIXED_REG(en_3v3_emmc),		\
	ADD_FIXED_REG(en_3v3_pex_hvdd_pm269),	\
	ADD_FIXED_REG(en_1v8_cam),		\
	ADD_FIXED_REG(dis_5v_switch_e118x),	\
	ADD_FIXED_REG(en_usb1_vbus_oc_e118x),	\
	ADD_FIXED_REG(en_usb3_vbus_oc_e118x),	\
	ADD_FIXED_REG(en_vddio_vid_oc_pm269),

#define E118x_FIXED_REG	\
	ADD_FIXED_REG(en_vdd_bl),		\
	ADD_FIXED_REG(dis_5v_switch_e118x),	\
	ADD_FIXED_REG(en_vbrtr),		\
	ADD_FIXED_REG(en_usb1_vbus_oc_e118x),	\
	ADD_FIXED_REG(en_usb3_vbus_oc_e118x),	\
	ADD_FIXED_REG(en_vddio_vid_oc_e118x),	\

/* Gpio switch regulator platform data  for E1186/E1187/E1256*/
static struct platform_device *fixed_reg_devs_e118x[] = {
	COMMON_FIXED_REG
	E118x_FIXED_REG
};

/* Gpio switch regulator platform data for PM269*/
static struct platform_device *fixed_reg_devs_pm269[] = {
	PM269_FIXED_REG
};

int __init cardhu_pm298_gpio_switch_regulator_init(void)
{
	struct board_info board_info;
	struct platform_device **fixed_reg_devs;
	int    nfixreg_devs;

	tegra_get_board_info(&board_info);

	switch (board_info.board_id) {
	case BOARD_PM269:
	case BOARD_PM305:
	case BOARD_PM311:
	case BOARD_E1257:
		nfixreg_devs = ARRAY_SIZE(fixed_reg_devs_pm269);
		fixed_reg_devs = fixed_reg_devs_pm269;
		break;

	default:
		nfixreg_devs = ARRAY_SIZE(fixed_reg_devs_e118x);
		fixed_reg_devs = fixed_reg_devs_e118x;
		break;
	}

	return platform_add_devices(fixed_reg_devs, nfixreg_devs);
}