path: root/drivers/regulator/axp20x-regulator.c

/*
 * AXP20x regulators driver.
 *
 * Copyright (C) 2013 Carlo Caione <carlo@caione.org>
 *
 * This file is subject to the terms and conditions of the GNU General
 * Public License. See the file "COPYING" in the main directory of this
 * archive for more details.
 *
 * 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.
 */

#include <linux/bitops.h>
#include <linux/delay.h>
#include <linux/err.h>
#include <linux/init.h>
#include <linux/mfd/axp20x.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/of_device.h>
#include <linux/platform_device.h>
#include <linux/regmap.h>
#include <linux/regulator/driver.h>
#include <linux/regulator/machine.h>
#include <linux/regulator/of_regulator.h>

#define AXP20X_GPIO0_FUNC_MASK		GENMASK(3, 0)
#define AXP20X_GPIO1_FUNC_MASK		GENMASK(3, 0)

#define AXP20X_IO_ENABLED		0x03
#define AXP20X_IO_DISABLED		0x07

#define AXP20X_WORKMODE_DCDC2_MASK	BIT_MASK(2)
#define AXP20X_WORKMODE_DCDC3_MASK	BIT_MASK(1)

#define AXP20X_FREQ_DCDC_MASK		GENMASK(3, 0)

#define AXP20X_VBUS_IPSOUT_MGMT_MASK	BIT_MASK(2)

#define AXP20X_DCDC2_V_OUT_MASK		GENMASK(5, 0)
#define AXP20X_DCDC3_V_OUT_MASK		GENMASK(7, 0)
#define AXP20X_LDO24_V_OUT_MASK		GENMASK(7, 4)
#define AXP20X_LDO3_V_OUT_MASK		GENMASK(6, 0)
#define AXP20X_LDO5_V_OUT_MASK		GENMASK(7, 4)

#define AXP20X_PWR_OUT_EXTEN_MASK	BIT_MASK(0)
#define AXP20X_PWR_OUT_DCDC3_MASK	BIT_MASK(1)
#define AXP20X_PWR_OUT_LDO2_MASK	BIT_MASK(2)
#define AXP20X_PWR_OUT_LDO4_MASK	BIT_MASK(3)
#define AXP20X_PWR_OUT_DCDC2_MASK	BIT_MASK(4)
#define AXP20X_PWR_OUT_LDO3_MASK	BIT_MASK(6)

#define AXP20X_DCDC2_LDO3_V_RAMP_DCDC2_RATE_MASK	BIT_MASK(0)
#define AXP20X_DCDC2_LDO3_V_RAMP_DCDC2_RATE(x) \
	((x) << 0)
#define AXP20X_DCDC2_LDO3_V_RAMP_LDO3_RATE_MASK		BIT_MASK(1)
#define AXP20X_DCDC2_LDO3_V_RAMP_LDO3_RATE(x) \
	((x) << 1)
#define AXP20X_DCDC2_LDO3_V_RAMP_DCDC2_EN_MASK		BIT_MASK(2)
#define AXP20X_DCDC2_LDO3_V_RAMP_DCDC2_EN		BIT(2)
#define AXP20X_DCDC2_LDO3_V_RAMP_LDO3_EN_MASK		BIT_MASK(3)
#define AXP20X_DCDC2_LDO3_V_RAMP_LDO3_EN		BIT(3)

#define AXP20X_LDO4_V_OUT_1250mV_START	0x0
#define AXP20X_LDO4_V_OUT_1250mV_STEPS	0
#define AXP20X_LDO4_V_OUT_1250mV_END	\
	(AXP20X_LDO4_V_OUT_1250mV_START + AXP20X_LDO4_V_OUT_1250mV_STEPS)
#define AXP20X_LDO4_V_OUT_1300mV_START	0x1
#define AXP20X_LDO4_V_OUT_1300mV_STEPS	7
#define AXP20X_LDO4_V_OUT_1300mV_END	\
	(AXP20X_LDO4_V_OUT_1300mV_START + AXP20X_LDO4_V_OUT_1300mV_STEPS)
#define AXP20X_LDO4_V_OUT_2500mV_START	0x9
#define AXP20X_LDO4_V_OUT_2500mV_STEPS	0
#define AXP20X_LDO4_V_OUT_2500mV_END	\
	(AXP20X_LDO4_V_OUT_2500mV_START + AXP20X_LDO4_V_OUT_2500mV_STEPS)
#define AXP20X_LDO4_V_OUT_2700mV_START	0xa
#define AXP20X_LDO4_V_OUT_2700mV_STEPS	1
#define AXP20X_LDO4_V_OUT_2700mV_END	\
	(AXP20X_LDO4_V_OUT_2700mV_START + AXP20X_LDO4_V_OUT_2700mV_STEPS)
#define AXP20X_LDO4_V_OUT_3000mV_START	0xc
#define AXP20X_LDO4_V_OUT_3000mV_STEPS	3
#define AXP20X_LDO4_V_OUT_3000mV_END	\
	(AXP20X_LDO4_V_OUT_3000mV_START + AXP20X_LDO4_V_OUT_3000mV_STEPS)
#define AXP20X_LDO4_V_OUT_NUM_VOLTAGES	16

#define AXP22X_IO_ENABLED		0x03
#define AXP22X_IO_DISABLED		0x04

#define AXP22X_WORKMODE_DCDCX_MASK(x)	BIT_MASK(x)

#define AXP22X_MISC_N_VBUSEN_FUNC	BIT(4)

#define AXP22X_DCDC1_V_OUT_MASK		GENMASK(4, 0)
#define AXP22X_DCDC2_V_OUT_MASK		GENMASK(5, 0)
#define AXP22X_DCDC3_V_OUT_MASK		GENMASK(5, 0)
#define AXP22X_DCDC4_V_OUT_MASK		GENMASK(5, 0)
#define AXP22X_DCDC5_V_OUT_MASK		GENMASK(4, 0)
#define AXP22X_DC5LDO_V_OUT_MASK	GENMASK(2, 0)
#define AXP22X_ALDO1_V_OUT_MASK		GENMASK(4, 0)
#define AXP22X_ALDO2_V_OUT_MASK		GENMASK(4, 0)
#define AXP22X_ALDO3_V_OUT_MASK		GENMASK(4, 0)
#define AXP22X_DLDO1_V_OUT_MASK		GENMASK(4, 0)
#define AXP22X_DLDO2_V_OUT_MASK		GENMASK(4, 0)
#define AXP22X_DLDO3_V_OUT_MASK		GENMASK(4, 0)
#define AXP22X_DLDO4_V_OUT_MASK		GENMASK(4, 0)
#define AXP22X_ELDO1_V_OUT_MASK		GENMASK(4, 0)
#define AXP22X_ELDO2_V_OUT_MASK		GENMASK(4, 0)
#define AXP22X_ELDO3_V_OUT_MASK		GENMASK(4, 0)
#define AXP22X_LDO_IO0_V_OUT_MASK	GENMASK(4, 0)
#define AXP22X_LDO_IO1_V_OUT_MASK	GENMASK(4, 0)

#define AXP22X_PWR_OUT_DC5LDO_MASK	BIT_MASK(0)
#define AXP22X_PWR_OUT_DCDC1_MASK	BIT_MASK(1)
#define AXP22X_PWR_OUT_DCDC2_MASK	BIT_MASK(2)
#define AXP22X_PWR_OUT_DCDC3_MASK	BIT_MASK(3)
#define AXP22X_PWR_OUT_DCDC4_MASK	BIT_MASK(4)
#define AXP22X_PWR_OUT_DCDC5_MASK	BIT_MASK(5)
#define AXP22X_PWR_OUT_ALDO1_MASK	BIT_MASK(6)
#define AXP22X_PWR_OUT_ALDO2_MASK	BIT_MASK(7)

#define AXP22X_PWR_OUT_SW_MASK		BIT_MASK(6)
#define AXP22X_PWR_OUT_DC1SW_MASK	BIT_MASK(7)

#define AXP22X_PWR_OUT_ELDO1_MASK	BIT_MASK(0)
#define AXP22X_PWR_OUT_ELDO2_MASK	BIT_MASK(1)
#define AXP22X_PWR_OUT_ELDO3_MASK	BIT_MASK(2)
#define AXP22X_PWR_OUT_DLDO1_MASK	BIT_MASK(3)
#define AXP22X_PWR_OUT_DLDO2_MASK	BIT_MASK(4)
#define AXP22X_PWR_OUT_DLDO3_MASK	BIT_MASK(5)
#define AXP22X_PWR_OUT_DLDO4_MASK	BIT_MASK(6)
#define AXP22X_PWR_OUT_ALDO3_MASK	BIT_MASK(7)

#define AXP803_PWR_OUT_DCDC1_MASK	BIT_MASK(0)
#define AXP803_PWR_OUT_DCDC2_MASK	BIT_MASK(1)
#define AXP803_PWR_OUT_DCDC3_MASK	BIT_MASK(2)
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