path: root/drivers/regulator/tps65910-regulator.c

/*
 * tps65910.c  --  TI tps65910
 *
 * Copyright 2010 Texas Instruments Inc.
 *
 * Author: Graeme Gregory <gg@slimlogic.co.uk>
 * Author: Jorge Eduardo Candelaria <jedu@slimlogic.co.uk>
 *
 *  This program is free software; you can redistribute it and/or modify it
 *  under  the terms of the GNU General  Public License as published by the
 *  Free Software Foundation;  either version 2 of the License, or (at your
 *  option) any later version.
 *
 */

#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/err.h>
#include <linux/platform_device.h>
#include <linux/regulator/driver.h>
#include <linux/regulator/machine.h>
#include <linux/delay.h>
#include <linux/slab.h>
#include <linux/gpio.h>
#include <linux/mfd/tps65910.h>

#define TPS65910_REG_VRTC		0
#define TPS65910_REG_VIO		1
#define TPS65910_REG_VDD1		2
#define TPS65910_REG_VDD2		3
#define TPS65910_REG_VDD3		4
#define TPS65910_REG_VDIG1		5
#define TPS65910_REG_VDIG2		6
#define TPS65910_REG_VPLL		7
#define TPS65910_REG_VDAC		8
#define TPS65910_REG_VAUX1		9
#define TPS65910_REG_VAUX2		10
#define TPS65910_REG_VAUX33		11
#define TPS65910_REG_VMMC		12

#define TPS65911_REG_VDDCTRL		4
#define TPS65911_REG_LDO1		5
#define TPS65911_REG_LDO2		6
#define TPS65911_REG_LDO3		7
#define TPS65911_REG_LDO4		8
#define TPS65911_REG_LDO5		9
#define TPS65911_REG_LDO6		10
#define TPS65911_REG_LDO7		11
#define TPS65911_REG_LDO8		12

#define TPS65910_SUPPLY_STATE_ENABLED	0x1

/* supported VIO voltages in milivolts */
static const u16 VIO_VSEL_table[] = {
	1500, 1800, 2500, 3300,
};

/* VSEL tables for TPS65910 specific LDOs and dcdc's */

/* supported VDD3 voltages in milivolts */
static const u16 VDD3_VSEL_table[] = {
	5000,
};

/* supported VDIG1 voltages in milivolts */
static const u16 VDIG1_VSEL_table[] = {
	1200, 1500, 1800, 2700,
};

/* supported VDIG2 voltages in milivolts */
static const u16 VDIG2_VSEL_table[] = {
	1000, 1100, 1200, 1800,
};

/* supported VPLL voltages in milivolts */
static const u16 VPLL_VSEL_table[] = {
	1000, 1100, 1800, 2500,
};

/* supported VDAC voltages in milivolts */
static const u16 VDAC_VSEL_table[] = {
	1800, 2600, 2800, 2850,
};

/* supported VAUX1 voltages in milivolts */
static const u16 VAUX1_VSEL_table[] = {
	1800, 2500, 2800, 2850,
};

/* supported VAUX2 voltages in milivolts */
static const u16 VAUX2_VSEL_table[] = {
	1800, 2800, 2900, 3300,
};

/* supported VAUX33 voltages in milivolts */
static const u16 VAUX33_VSEL_table[] = {
	1800, 2000, 2800, 3300,
};

/* supported VMMC voltages in milivolts */
static const u16 VMMC_VSEL_table[] = {
	1800, 2800, 3000, 3300,
};

struct tps_info {
	const char *name;
	unsigned min_uV;
	unsigned max_uV;
	u8 table_len;
	const u16 *table;
};

static struct tps_info tps65910_regs[] = {
	{
		.name = "VRTC",
	},
	{
		.name = "VIO",
		.min_uV = 1500000,
		.max_uV = 3300000,
		.table_len = ARRAY_SIZE(VIO_VSEL_table),
		.table = VIO_VSEL_table,
	},
	{
		.name = "VDD1",
		.min_uV = 600000,
		.max_uV = 4500000,
	},
	{
		.name = "VDD2",
		.min_uV = 600000,
		.max_uV = 4500000,
	},
	{
		.name = "VDD3",
		.min_uV = 5000000,
		.max_uV = 5000000,
		.table_len = ARRAY_SIZE(VDD3_VSEL_table),
		.table = VDD3_VSEL_table,
	},
	{
		.name = "VDIG1",
		.min_uV = 1200000,
		.max_uV = 2700000,
		.table_len = ARRAY_SIZE(VDIG1_VSEL_table),
		.table = VDIG1_VSEL_table,
	},
	{
		.name = "VDIG2",
		.min_uV = 1000000,
		.max_uV = 1800000,
		.table_len = ARRAY_SIZE(VDIG2_VSEL_table),
		.table = VDIG2_VSEL_table,
	},
	{
		.name = "VPLL",
		.min_uV = 1000000,
		.max_uV = 2500000,
		.table_len = ARRAY_SIZE(VPLL_VSEL_table),
		.table = VPLL_VSEL_table,
	},
	{
		.name = "VDAC",
		.min_uV = 1800000,
		.max_uV = 2850000,
		.table_len = ARRAY_SIZE(VDAC_VSEL_table),
		.table = VDAC_VSEL_table,
	},
	{
		.name = "VAUX1",
		.min_uV = 1800000,
		.max_uV = 2850000,
		.table_len = ARRAY_SIZE(VAUX1_VSEL_table),
		.table = VAUX1_VSEL_table,
	},
	{
		.name