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/slab.h>
#include <linux/gpio.h>
#include <linux/mfd/tps65910.h>
#include <linux/regulator/of_regulator.h>

#define TPS65910_SUPPLY_STATE_ENABLED	0x1
#define EXT_SLEEP_CONTROL (TPS65910_SLEEP_CONTROL_EXT_INPUT_EN1 |	\
			TPS65910_SLEEP_CONTROL_EXT_INPUT_EN2 |		\
			TPS65910_SLEEP_CONTROL_EXT_INPUT_EN3 |		\
			TPS65911_SLEEP_CONTROL_EXT_INPUT_SLEEP)

/* supported VIO voltages in microvolts */
static const unsigned int VIO_VSEL_table[] = {
	1500000, 1800000, 2500000, 3300000,
};

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

/* supported VRTC voltages in microvolts */
static const unsigned int VRTC_VSEL_table[] = {
	1800000,
};

/* supported VDD3 voltages in microvolts */
static const unsigned int VDD3_VSEL_table[] = {
	5000000,
};

/* supported VDIG1 voltages in microvolts */
static const unsigned int VDIG1_VSEL_table[] = {
	1200000, 1500000, 1800000, 2700000,
};

/* supported VDIG2 voltages in microvolts */
static const unsigned int VDIG2_VSEL_table[] = {
	1000000, 1100000, 1200000, 1800000,
};

/* supported VPLL voltages in microvolts */
static const unsigned int VPLL_VSEL_table[] = {
	1000000, 1100000, 1800000, 2500000,
};

/* supported VDAC voltages in microvolts */
static const unsigned int VDAC_VSEL_table[] = {
	1800000, 2600000, 2800000, 2850000,
};

/* supported VAUX1 voltages in microvolts */
static const unsigned int VAUX1_VSEL_table[] = {
	1800000, 2500000, 2800000, 2850000,
};

/* supported VAUX2 voltages in microvolts */
static const unsigned int VAUX2_VSEL_table[] = {
	1800000, 2800000, 2900000, 3300000,
};

/* supported VAUX33 voltages in microvolts */
static const unsigned int VAUX33_VSEL_table[] = {
	1800000, 2000000, 2800000, 3300000,
};

/* supported VMMC voltages in microvolts */
static const unsigned int VMMC_VSEL_table[] = {
	1800000, 2800000, 3000000, 3300000,
};

struct tps_info {
	const char *name;
	const char *vin_name;
	u8 n_voltages;
	const unsigned int *voltage_table;
	int enable_time_us;
};

static struct tps_info tps65910_regs[] = {
	{
		.name = "vrtc",
		.vin_name = "vcc7",
		.n_voltages = ARRAY_SIZE(VRTC_VSEL_table),
		.voltage_table = VRTC_VSEL_table,
		.enable_time_us = 2200,
	},
	{
		.name = "vio",
		.vin_name