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/*
 * twl-common.c
 *
 * Copyright (C) 2011 Texas Instruments, Inc..
 * Author: Peter Ujfalusi <peter.ujfalusi@ti.com>
 *
 * 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., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA
 *
 */

#include <linux/i2c.h>
#include <linux/i2c/twl.h>
#include <linux/gpio.h>
#include <linux/regulator/machine.h>
#include <linux/regulator/fixed.h>

#include <plat/i2c.h>
#include <plat/usb.h>

#include "twl-common.h"

static struct i2c_board_info __initdata pmic_i2c_board_info = {
	.addr		= 0x48,
	.flags		= I2C_CLIENT_WAKE,
};

void __init omap_pmic_init(int bus, u32 clkrate,
			   const char *pmic_type, int pmic_irq,
			   struct twl4030_platform_data *pmic_data)
{
	strncpy(pmic_i2c_board_info.type, pmic_type,
		sizeof(pmic_i2c_board_info.type));
	pmic_i2c_board_info.irq = pmic_irq;
	pmic_i2c_board_info.platform_data = pmic_data;

	omap_register_i2c_bus(bus, clkrate, &pmic_i2c_board_info, 1);
}

static struct twl4030_usb_data omap4_usb_pdata = {
	.phy_init	= omap4430_phy_init,
	.phy_exit	= omap4430_phy_exit,
	.phy_power	= omap4430_phy_power,
	.phy_set_clock	= omap4430_phy_set_clk,
	.phy_suspend	= omap4430_phy_suspend,
};

static struct regulator_init_data omap4_vdac_idata = {
	.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,
	},
};

static struct regulator_init_data omap4_vaux2_idata = {
	.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,
	},
};

static struct regulator_init_data omap4_vaux3_idata = {
	.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,
	},
};

static struct regulator_consumer_supply omap4_vmmc_supply[] = {
	REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
};

/* VMMC1 for MMC1 card */
static struct regulator_init_data omap4_vmmc_idata = {
	.constraints = {
		.min_uV			= 1200000,
		.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(omap4_vmmc_supply),
	.consumer_supplies      = omap4_vmmc_supply,
};

static struct regulator_init_data omap4_vpp_idata = {
	.constraints = {
		.min_uV			= 1800000,
		.max_uV			= 2500000,
		.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 regulator_init_data omap4_vana_idata = {
	.constraints = {
		.min_uV			= 2100000,
		.max_uV			= 2100000,
		.valid_modes_mask	= REGULATOR_MODE_NORMAL
					| REGULATOR_MODE_STANDBY,
		.valid_ops_mask		= REGULATOR_CHANGE_MODE
					| REGULATOR_CHANGE_STATUS,
	},
};

static struct regulator_init_data omap4_vcxio_idata = {
	.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,
	},
};

static struct regulator_init_data omap4_vusb_idata = {
	.constraints = {
		.min_uV			= 3300000,
		.max_uV			= 3300000,
		.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 omap4_clk32kg_idata = {
	.constraints = {
		.valid_ops_mask		= REGULATOR_CHANGE_STATUS,
	},
};

void __init omap4_pmic_get_config(struct twl4030_platform_data *pmic_data,
				  u32 pdata_flags, u32 regulators_flags)
{
	if (!pmic_data->irq_base)
		pmic_data->irq_base = TWL6030_IRQ_BASE;
	if (!pmic_data->irq_end)
		pmic_data->irq_end = TWL6030_IRQ_END;

	/* Common platform data configurations */
	if (pdata_flags & TWL_COMMON_PDATA_USB && !pmic_data->usb)
		pmic_data->usb = &omap4_usb_pdata;

	/* Common regulator configurations */
	if (regulators_flags & TWL_COMMON_REGULATOR_VDAC && !pmic_data->vdac)
		pmic_data->vdac = &omap4_vdac_idata;

	if (regulators_flags & TWL_COMMON_REGULATOR_VAUX2 && !pmic_data->vaux2)
		pmic_data->vaux2 = &omap4_vaux2_idata;

	if (regulators_flags & TWL_COMMON_REGULATOR_VAUX3 && !pmic_data->vaux3)
		pmic_data->vaux3 = &omap4_vaux3_idata;

	if (regulators_flags & TWL_COMMON_REGULATOR_VMMC && !pmic_data->vmmc)
		pmic_data->vmmc = &omap4_vmmc_idata;

	if (regulators_flags & TWL_COMMON_REGULATOR_VPP && !pmic_data->vpp)
		pmic_data->vpp = &omap4_vpp_idata;

	if (regulators_flags & TWL_COMMON_REGULATOR_VANA && !pmic_data->vana)
		pmic_data->vana = &omap4_vana_idata;

	if (regulators_flags & TWL_COMMON_REGULATOR_VCXIO && !pmic_data->vcxio)
		pmic_data->vcxio = &omap4_vcxio_idata;

	if (regulators_flags & TWL_COMMON_REGULATOR_VUSB && !pmic_data->vusb)
		pmic_data->vusb = &omap4_vusb_idata;

	if (regulators_flags & TWL_COMMON_REGULATOR_CLK32KG &&
	    !pmic_data->clk32kg)
		pmic_data->clk32kg = &omap4_clk32kg_idata;
}