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path: root/include/linux/mfd/axp20x.h
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/*
 * Functions and registers to access AXP20X power management chip.
 *
 * Copyright (C) 2013, Carlo Caione <carlo@caione.org>
 *
 * 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.
 */

#ifndef __LINUX_MFD_AXP20X_H
#define __LINUX_MFD_AXP20X_H

#include <linux/list.h>
#include <linux/regmap.h>

enum {
	AXP152_ID = 0,
	AXP202_ID,
	AXP209_ID,
	AXP221_ID,
	AXP223_ID,
	AXP288_ID,
	AXP806_ID,
	AXP809_ID,
	NR_AXP20X_VARIANTS,
};

#define AXP20X_DATACACHE(m)		(0x04 + (m))

/* Power supply */
#define AXP152_PWR_OP_MODE		0x01
#define AXP152_LDO3456_DC1234_CTRL	0x12
#define AXP152_ALDO_OP_MODE		0x13
#define AXP152_LDO0_CTRL		0x15
#define AXP152_DCDC2_V_OUT		0x23
#define AXP152_DCDC2_V_SCAL		0x25
#define AXP152_DCDC1_V_OUT		0x26
#define AXP152_DCDC3_V_OUT		0x27
#define AXP152_ALDO12_V_OUT		0x28
#define AXP152_DLDO1_V_OUT		0x29
#define AXP152_DLDO2_V_OUT		0x2a
#define AXP152_DCDC4_V_OUT		0x2b
#define AXP152_V_OFF			0x31
#define AXP152_OFF_CTRL			0x32
#define AXP152_PEK_KEY			0x36
#define AXP152_DCDC_FREQ		0x37
#define AXP152_DCDC_MODE		0x80

#define AXP20X_PWR_INPUT_STATUS		0x00
#define AXP20X_PWR_OP_MODE		0x01
#define AXP20X_USB_OTG_STATUS		0x02
#define AXP20X_PWR_OUT_CTRL		0x12
#define AXP20X_DCDC2_V_OUT		0x23
#define AXP20X_DCDC2_LDO3_V_SCAL	0x25
#define AXP20X_DCDC3_V_OUT		0x27
#define AXP20X_LDO24_V_OUT		0x28
#define AXP20X_LDO3_V_OUT		0x29
#define AXP20X_VBUS_IPSOUT_MGMT		0x30
#define AXP20X_V_OFF			0x31
#define AXP20X_OFF_CTRL			0x32
#define AXP20X_CHRG_CTRL1		0x33
#define AXP20X_CHRG_CTRL2		0x34
#define AXP20X_CHRG_BAK_CTRL		0x35
#define AXP20X_PEK_KEY			0x36
#define AXP20X_DCDC_FREQ		0x37
#define AXP20X_V_LTF_CHRG		0x38
#define AXP20X_V_HTF_CHRG		0x39
#define AXP20X_APS_WARN_L1		0x3a
#define AXP20X_APS_WARN_L2		0x3b
#define AXP20X_V_LTF_DISCHRG		0x3c
#define AXP20X_V_HTF_DISCHRG		0x3d

#define AXP22X_PWR_OUT_CTRL1		0x10
#define AXP22X_PWR_OUT_CTRL2		0x12
#define AXP22X_PWR_OUT_CTRL3		0x13
#define AXP22X_DLDO1_V_OUT		0x15
#define AXP22X_DLDO2_V_OUT		0x16
#define AXP22X_DLDO3_V_OUT		0x17
#define AXP22X_DLDO4_V_OUT		0x18
#define AXP22X_ELDO1_V_OUT		0x19
#define AXP22X_ELDO2_V_OUT		0x1a
#define AXP22X_ELDO3_V_OUT		0x1b
#define AXP22X_DC5LDO_V_OUT		0x1c
#define AXP22X_DCDC1_V_OUT		0x21
#define AXP22X_DCDC2_V_OUT		0x22
#define AXP22X_DCDC3_V_OUT		0x23
#define AXP22X_DCDC4_V_OUT		0x24
#define AXP22X_DCDC5_V_OUT		0x25
#define AXP22X_DCDC23_V_RAMP_CTRL	0x27
#define AXP22X_ALDO1_V_OUT		0x28
#define AXP22X_ALDO2_V_OUT		0x29
#define AXP22X_ALDO3_V_OUT		0x2a
#define AXP22X_CHRG_CTRL3		0x35

#define AXP806_STARTUP_SRC		0x00
#define AXP806_CHIP_ID			0x03
#define AXP806_PWR_OUT_CTRL1		0x10
#define AXP806_PWR_OUT_CTRL2		0x11
#define AXP806_DCDCA_V_CTRL		0x12
#define AXP806_DCDCB_V_CTRL		0x13
#define AXP806_DCDCC_V_CTRL		0x14
#define AXP806_DCDCD_V_CTRL		0x15
#define AXP806_DCDCE_V_CTRL		0x16
#define AXP806_ALDO1_V_CTRL		0x17
#define AXP806_ALDO2_V_CTRL		0x18
#define AXP806_ALDO3_V_CTRL		0x19
#define AXP806_DCDC_MODE_CTRL1		0x1a
#define AXP806_DCDC_MODE_CTRL2		0x1b
#define AXP806_DCDC_FREQ_CTRL		0x1c
#define AXP806_BLDO1_V_CTRL		0x20
#define AXP806_BLDO2_V_CTRL		0x21
#define AXP806_BLDO3_V_CTRL		0x22
#define AXP806_BLDO4_V_CTRL		0x23
#define AXP806_CLDO1_V_CTRL		0x24
#define AXP806_CLDO2_V_CTRL		0x25
#define AXP806_CLDO3_V_CTRL		0x26
#define AXP806_VREF_TEMP_WARN_L		0xf3

/* Interrupt */
#define AXP152_IRQ1_EN			0x40
#define AXP152_IRQ2_EN			0x41
#define AXP152_IRQ3_EN			0x42
#define AXP152_IRQ1_STATE		0x48
#define AXP152_IRQ2_STATE		0x49
#define AXP152_IRQ3_STATE		0x4a

#define AXP20X_IRQ1_EN			0x40
#define AXP20X_IRQ2_EN			0x41
#define AXP20X_IRQ3_EN			0x42
#define AXP20X_IRQ4_EN			0x43
#define AXP20X_IRQ5_EN			0x44
#define AXP20X_IRQ6_EN			0x45
#define AXP20X_IRQ1_STATE		0x48
#define AXP20X_IRQ2_STATE		0x49
#define AXP20X_IRQ3_STATE		0x4a
#define AXP20X_IRQ4_STATE		0x4b
#define AXP20X_IRQ5_STATE		0x4c
#define AXP20X_IRQ6_STATE		0x4d

/* ADC */
#define AXP20X_ACIN_V_ADC_H		0x56
#define AXP20X_ACIN_V_ADC_L		0x57
#define AXP20X_ACIN_I_ADC_H		0x58
#define AXP20X_ACIN_I_ADC_L		0x59
#define AXP20X_VBUS_V_ADC_H		0x5a
#define AXP20X_VBUS_V_ADC_L		0x5b
#define AXP20X_VBUS_I_ADC_H		0x5c
#define AXP20X_VBUS_I_ADC_L		0x5d
#define AXP20X_TEMP_ADC_H		0x5e
#define AXP20X_TEMP_ADC_L		0x5f
#define AXP20X_TS_IN_H			0x62
#define AXP20X_TS_IN_L			0x63
#define AXP20X_GPIO0_V_ADC_H		0x64
#define AXP20X_GPIO0_V_ADC_L		0x65
#define AXP20X_GPIO1_V_ADC_H		0x66
#define AXP20X_GPIO1_V_ADC_L		0x67
#define AXP20X_PWR_BATT_H		0x70
#define AXP20X_PWR_BATT_M		0x71
#define AXP20X_PWR_BATT_L		0x72
#define AXP20X_BATT_V_H			0x78
#define AXP20X_BATT_V_L			0x79
#define AXP20X_BATT_CHRG_I_H		0x7a
#define AXP20X_BATT_CHRG_I_L		0x7b
#define AXP20X_BATT_DISCHRG_I_H		0x7c
#define AXP20X_BATT_DISCHRG_I_L		0x7d
#define AXP20X_IPSOUT_V_HIGH_H		0x7e
#define AXP20X_IPSOUT_V_HIGH_L		0x7f

/* Power supply */
#define AXP20X_DCDC_MODE		0x80
#define AXP20X_ADC_EN1			0x82
#define AXP20X_ADC_EN2			0x83
#define AXP20X_ADC_RATE			0x84
#define AXP20X_GPIO10_IN_RANGE		0x85
#define AXP20X_GPIO1_ADC_IRQ_RIS	0x86
#define AXP20X_GPIO1_ADC_IRQ_FAL	0x87
#define AXP20X_TIMER_CTRL		0x8a
#define AXP20X_VBUS_MON			0x8b
#define AXP20X_OVER_TMP			0x8f

#define AXP22X_PWREN_CTRL1		0x8c
#define AXP22X_PWREN_CTRL2		0x8d

/* GPIO */
#define AXP152_GPIO0_CTRL		0x90
#define AXP152_GPIO1_CTRL		0x91
#define AXP152_GPIO2_CTRL		0x92
#define AXP152_GPIO3_CTRL		0x93
#define AXP152_LDOGPIO2_V_OUT		0x96
#define AXP152_GPIO_INPUT		0x97
#define AXP152_PWM0_FREQ_X		0x98
#define AXP152_PWM0_FREQ_Y		0x99
#define AXP152_PWM0_DUTY_CYCLE		0x9a
#define AXP152_PWM1_FREQ_X		0x9b
#define AXP152_PWM1_FREQ_Y		0x9c
#define AXP152_PWM1_DUTY_CYCLE		0x9d

#define AXP20X_GPIO0_CTRL		0x90
#define AXP20X_LDO5_V_OUT		0x91
#define AXP20X_GPIO1_CTRL		0x92
#define AXP20X_GPIO2_CTRL		0x93
#define AXP20X_GPIO20_SS		0x94
#define AXP20X_GPIO3_CTRL		0x95

#define AXP22X_LDO_IO0_V_OUT		0x91
#define AXP22X_LDO_IO1_V_OUT		0x93
#define AXP22X_GPIO_STATE		0x94
#define AXP22X_GPIO_PULL_DOWN		0x95

/* Battery */
#define AXP20X_CHRG_CC_31_24		0xb0
#define AXP20X_CHRG_CC_23_16		0xb1
#define AXP20X_CHRG_CC_15_8		0xb2
#define AXP20X_CHRG_CC_7_0		0xb3
#define AXP20X_DISCHRG_CC_31_24		0xb4
#define AXP20X_DISCHRG_CC_23_16		0xb5
#define AXP20X_DISCHRG_CC_15_8		0xb6
#define AXP20X_DISCHRG_CC_7_0		0xb7
#define AXP20X_CC_CTRL			0xb8
#define AXP20X_FG_RES			0xb9

/* OCV */
#define AXP20X_RDC_H			0xba
#define AXP20X_RDC_L			0xbb
#define AXP20X_OCV(m)			(0xc0 + (m))
#define AXP20X_OCV_MAX			0xf

/* AXP22X specific registers */
#define AXP22X_BATLOW_THRES1		0xe6

/* AXP288 specific registers */
#define AXP288_PMIC_ADC_H               0x56
#define AXP288_PMIC_ADC_L               0x57
#define AXP288_ADC_TS_PIN_CTRL          0x84
#define AXP288_PMIC_ADC_EN              0x84

/* Fuel Gauge */
#define AXP288_FG_RDC1_REG          0xba
#define AXP288_FG_RDC0_REG          0xbb
#define AXP288_FG_OCVH_REG          0xbc
#define AXP288_FG_OCVL_REG          0xbd
#define AXP288_FG_OCV_CURVE_REG     0xc0
#define AXP288_FG_DES_CAP1_REG      0xe0
#define AXP288_FG_DES_CAP0_REG      0xe1
#define AXP288_FG_CC_MTR1_REG       0xe2
#define AXP288_FG_CC_MTR0_REG       0xe3
#define AXP288_FG_OCV_CAP_REG       0xe4
#define AXP288_FG_CC_CAP_REG        0xe5
#define AXP288_FG_LOW_CAP_REG       0xe6
#define AXP288_FG_TUNE0             0xe8
#define AXP288_FG_TUNE1             0xe9
#define AXP288_FG_TUNE2             0xea
#define AXP288_FG_TUNE3             0xeb
#define AXP288_FG_TUNE4             0xec
#define AXP288_FG_TUNE5             0xed

/* Regulators IDs */
enum {
	AXP20X_LDO1 = 0,
	AXP20X_LDO2,
	AXP20X_LDO3,
	AXP20X_LDO4,
	AXP20X_LDO5,
	AXP20X_DCDC2,
	AXP20X_DCDC3,
	AXP20X_REG_ID_MAX,
};

enum {
	AXP22X_DCDC1 = 0,
	AXP22X_DCDC2,
	AXP22X_DCDC3,
	AXP22X_DCDC4,
	AXP22X_DCDC5,
	AXP22X_DC1SW,
	AXP22X_DC5LDO,
	AXP22X_ALDO1,
	AXP22X_ALDO2,
	AXP22X_ALDO3,
	AXP22X_ELDO1,
	AXP22X_ELDO2,
	AXP22X_ELDO3,
	AXP22X_DLDO1,
	AXP22X_DLDO2,
	AXP22X_DLDO3,
	AXP22X_DLDO4,
	AXP22X_RTC_LDO,
	AXP22X_LDO_IO0,
	AXP22X_LDO_IO1,
	AXP22X_REG_ID_MAX,
};

enum {
	AXP806_DCDCA = 0,
	AXP806_DCDCB,
	AXP806_DCDCC,
	AXP806_DCDCD,
	AXP806_DCDCE,
	AXP806_ALDO1,
	AXP806_ALDO2,
	AXP806_ALDO3,
	AXP806_BLDO1,
	AXP806_BLDO2,
	AXP806_BLDO3,
	AXP806_BLDO4,
	AXP806_CLDO1,
	AXP806_CLDO2,
	AXP806_CLDO3,
	AXP806_SW,
	AXP806_REG_ID_MAX,
};

enum {
	AXP809_DCDC1 = 0,
	AXP809_DCDC2,
	AXP809_DCDC3,
	AXP809_DCDC4,
	AXP809_DCDC5,
	AXP809_DC1SW,
	AXP809_DC5LDO,
	AXP809_ALDO1,
	AXP809_ALDO2,
	AXP809_ALDO3,
	AXP809_ELDO1,
	AXP809_ELDO2,
	AXP809_ELDO3,
	AXP809_DLDO1,
	AXP809_DLDO2,
	AXP809_RTC_LDO,
	AXP809_LDO_IO0,
	AXP809_LDO_IO1,
	AXP809_SW,
	AXP809_REG_ID_MAX,
};

/* IRQs */
enum {
	AXP152_IRQ_LDO0IN_CONNECT = 1,
	AXP152_IRQ_LDO0IN_REMOVAL,
	AXP152_IRQ_ALDO0IN_CONNECT,
	AXP152_IRQ_ALDO0IN_REMOVAL,
	AXP152_IRQ_DCDC1_V_LOW,
	AXP152_IRQ_DCDC2_V_LOW,
	AXP152_IRQ_DCDC3_V_LOW,
	AXP152_IRQ_DCDC4_V_LOW,
	AXP152_IRQ_PEK_SHORT,
	AXP152_IRQ_PEK_LONG,
	AXP152_IRQ_TIMER,
	AXP152_IRQ_PEK_RIS_EDGE,
	AXP152_IRQ_PEK_FAL_EDGE,
	AXP152_IRQ_GPIO3_INPUT,
	AXP152_IRQ_GPIO2_INPUT,
	AXP152_IRQ_GPIO1_INPUT,
	AXP152_IRQ_GPIO0_INPUT,
};

enum {
	AXP20X_IRQ_ACIN_OVER_V = 1,
	AXP20X_IRQ_ACIN_PLUGIN,
	AXP20X_IRQ_ACIN_REMOVAL,
	AXP20X_IRQ_VBUS_OVER_V,
	AXP20X_IRQ_VBUS_PLUGIN,
	AXP20X_IRQ_VBUS_REMOVAL,
	AXP20X_IRQ_VBUS_V_LOW,
	AXP20X_IRQ_BATT_PLUGIN,
	AXP20X_IRQ_BATT_REMOVAL,
	AXP20X_IRQ_BATT_ENT_ACT_MODE,
	AXP20X_IRQ_BATT_EXIT_ACT_MODE,
	AXP20X_IRQ_CHARG,
	AXP20X_IRQ_CHARG_DONE,
	AXP20X_IRQ_BATT_TEMP_HIGH,
	AXP20X_IRQ_BATT_TEMP_LOW,
	AXP20X_IRQ_DIE_TEMP_HIGH,
	AXP20X_IRQ_CHARG_I_LOW,
	AXP20X_IRQ_DCDC1_V_LONG,
	AXP20X_IRQ_DCDC2_V_LONG,
	AXP20X_IRQ_DCDC3_V_LONG,
	AXP20X_IRQ_PEK_SHORT = 22,
	AXP20X_IRQ_PEK_LONG,
	AXP20X_IRQ_N_OE_PWR_ON,
	AXP20X_IRQ_N_OE_PWR_OFF,
	AXP20X_IRQ_VBUS_VALID,
	AXP20X_IRQ_VBUS_NOT_VALID,
	AXP20X_IRQ_VBUS_SESS_VALID,
	AXP20X_IRQ_VBUS_SESS_END,
	AXP20X_IRQ_LOW_PWR_LVL1,
	AXP20X_IRQ_LOW_PWR_LVL2,
	AXP20X_IRQ_TIMER,
	AXP20X_IRQ_PEK_RIS_EDGE,
	AXP20X_IRQ_PEK_FAL_EDGE,
	AXP20X_IRQ_GPIO3_INPUT,
	AXP20X_IRQ_GPIO2_INPUT,
	AXP20X_IRQ_GPIO1_INPUT,
	AXP20X_IRQ_GPIO0_INPUT,
};

enum axp22x_irqs {
	AXP22X_IRQ_ACIN_OVER_V = 1,
	AXP22X_IRQ_ACIN_PLUGIN,
	AXP22X_IRQ_ACIN_REMOVAL,
	AXP22X_IRQ_VBUS_OVER_V,
	AXP22X_IRQ_VBUS_PLUGIN,
	AXP22X_IRQ_VBUS_REMOVAL,
	AXP22X_IRQ_VBUS_V_LOW,
	AXP22X_IRQ_BATT_PLUGIN,
	AXP22X_IRQ_BATT_REMOVAL,
	AXP22X_IRQ_BATT_ENT_ACT_MODE,
	AXP22X_IRQ_BATT_EXIT_ACT_MODE,
	AXP22X_IRQ_CHARG,
	AXP22X_IRQ_CHARG_DONE,
	AXP22X_IRQ_BATT_TEMP_HIGH,
	AXP22X_IRQ_BATT_TEMP_LOW,
	AXP22X_IRQ_DIE_TEMP_HIGH,
	AXP22X_IRQ_PEK_SHORT,
	AXP22X_IRQ_PEK_LONG,
	AXP22X_IRQ_LOW_PWR_LVL1,
	AXP22X_IRQ_LOW_PWR_LVL2,
	AXP22X_IRQ_TIMER,
	AXP22X_IRQ_PEK_RIS_EDGE,
	AXP22X_IRQ_PEK_FAL_EDGE,
	AXP22X_IRQ_GPIO1_INPUT,
	AXP22X_IRQ_GPIO0_INPUT,
};

enum axp288_irqs {
	AXP288_IRQ_VBUS_FALL     = 2,
	AXP288_IRQ_VBUS_RISE,
	AXP288_IRQ_OV,
	AXP288_IRQ_FALLING_ALT,
	AXP288_IRQ_RISING_ALT,
	AXP288_IRQ_OV_ALT,
	AXP288_IRQ_DONE          = 10,
	AXP288_IRQ_CHARGING,
	AXP288_IRQ_SAFE_QUIT,
	AXP288_IRQ_SAFE_ENTER,
	AXP288_IRQ_ABSENT,
	AXP288_IRQ_APPEND,
	AXP288_IRQ_QWBTU,
	AXP288_IRQ_WBTU,
	AXP288_IRQ_QWBTO,
	AXP288_IRQ_WBTO,
	AXP288_IRQ_QCBTU,
	AXP288_IRQ_CBTU,
	AXP288_IRQ_QCBTO,
	AXP288_IRQ_CBTO,
	AXP288_IRQ_WL2,
	AXP288_IRQ_WL1,
	AXP288_IRQ_GPADC,
	AXP288_IRQ_OT            = 31,
	AXP288_IRQ_GPIO0,
	AXP288_IRQ_GPIO1,
	AXP288_IRQ_POKO,
	AXP288_IRQ_POKL,
	AXP288_IRQ_POKS,
	AXP288_IRQ_POKN,
	AXP288_IRQ_POKP,
	AXP288_IRQ_TIMER,
	AXP288_IRQ_MV_CHNG,
	AXP288_IRQ_BC_USB_CHNG,
};

enum axp806_irqs {
	AXP806_IRQ_DIE_TEMP_HIGH_LV1,
	AXP806_IRQ_DIE_TEMP_HIGH_LV2,
	AXP806_IRQ_DCDCA_V_LOW,
	AXP806_IRQ_DCDCB_V_LOW,
	AXP806_IRQ_DCDCC_V_LOW,
	AXP806_IRQ_DCDCD_V_LOW,
	AXP806_IRQ_DCDCE_V_LOW,
	AXP806_IRQ_PWROK_LONG,
	AXP806_IRQ_PWROK_SHORT,
	AXP806_IRQ_WAKEUP,
	AXP806_IRQ_PWROK_FALL,
	AXP806_IRQ_PWROK_RISE,
};

enum axp809_irqs {
	AXP809_IRQ_ACIN_OVER_V = 1,
	AXP809_IRQ_ACIN_PLUGIN,
	AXP809_IRQ_ACIN_REMOVAL,
	AXP809_IRQ_VBUS_OVER_V,
	AXP809_IRQ_VBUS_PLUGIN,
	AXP809_IRQ_VBUS_REMOVAL,
	AXP809_IRQ_VBUS_V_LOW,
	AXP809_IRQ_BATT_PLUGIN,
	AXP809_IRQ_BATT_REMOVAL,
	AXP809_IRQ_BATT_ENT_ACT_MODE,
	AXP809_IRQ_BATT_EXIT_ACT_MODE,
	AXP809_IRQ_CHARG,
	AXP809_IRQ_CHARG_DONE,
	AXP809_IRQ_BATT_CHG_TEMP_HIGH,
	AXP809_IRQ_BATT_CHG_TEMP_HIGH_END,
	AXP809_IRQ_BATT_CHG_TEMP_LOW,
	AXP809_IRQ_BATT_CHG_TEMP_LOW_END,
	AXP809_IRQ_BATT_ACT_TEMP_HIGH,
	AXP809_IRQ_BATT_ACT_TEMP_HIGH_END,
	AXP809_IRQ_BATT_ACT_TEMP_LOW,
	AXP809_IRQ_BATT_ACT_TEMP_LOW_END,
	AXP809_IRQ_DIE_TEMP_HIGH,
	AXP809_IRQ_LOW_PWR_LVL1,
	AXP809_IRQ_LOW_PWR_LVL2,
	AXP809_IRQ_TIMER,
	AXP809_IRQ_PEK_RIS_EDGE,
	AXP809_IRQ_PEK_FAL_EDGE,
	AXP809_IRQ_PEK_SHORT,
	AXP809_IRQ_PEK_LONG,
	AXP809_IRQ_PEK_OVER_OFF,
	AXP809_IRQ_GPIO1_INPUT,
	AXP809_IRQ_GPIO0_INPUT,
};

#define AXP288_TS_ADC_H		0x58
#define AXP288_TS_ADC_L		0x59
#define AXP288_GP_ADC_H		0x5a
#define AXP288_GP_ADC_L		0x5b

struct axp20x_dev {
	struct device			*dev;
	int				irq;
	struct regmap			*regmap;
	struct regmap_irq_chip_data	*regmap_irqc;
	long				variant;
	int                             nr_cells;
	struct mfd_cell                 *cells;
	const struct regmap_config	*regmap_cfg;
	const struct regmap_irq_chip	*regmap_irq_chip;
	struct list_head                list;
};

#define BATTID_LEN				64
#define OCV_CURVE_SIZE			32
#define MAX_THERM_CURVE_SIZE	25
#define PD_DEF_MIN_TEMP			0
#define PD_DEF_MAX_TEMP			55

struct axp20x_fg_pdata {
	char battid[BATTID_LEN + 1];
	int design_cap;
	int min_volt;
	int max_volt;
	int max_temp;
	int min_temp;
	int cap1;
	int cap0;
	int rdc1;
	int rdc0;
	int ocv_curve[OCV_CURVE_SIZE];
	int tcsz;
	int thermistor_curve[MAX_THERM_CURVE_SIZE][2];
};

struct axp20x_chrg_pdata {
	int max_cc;
	int max_cv;
	int def_cc;
	int def_cv;
};

struct axp288_extcon_pdata {
	/* GPIO pin control to switch D+/D- lines b/w PMIC and SOC */
	struct gpio_desc *gpio_mux_cntl;
};

/* generic helper function for reading 9-16 bit wide regs */
static inline int axp20x_read_variable_width(struct regmap *regmap,
	unsigned int reg, unsigned int width)
{
	unsigned int reg_val, result;
	int err;

	err = regmap_read(regmap, reg, &reg_val);
	if (err)
		return err;

	result = reg_val << (width - 8);

	err = regmap_read(regmap, reg + 1, &reg_val);
	if (err)
		return err;

	result |= reg_val;

	return result;
}

/**
 * axp20x_match_device(): Setup axp20x variant related fields
 *
 * @axp20x: axp20x device to setup (.dev field must be set)
 * @dev: device associated with this axp20x device
 *
 * This lets the axp20x core configure the mfd cells and register maps
 * for later use.
 */
int axp20x_match_device(struct axp20x_dev *axp20x);

/**
 * axp20x_node_to_regmap(): Find the regmap for a axp20x device
 *
 * @np: node-pointer to the axp20x device
 *
 * This function lets add-on drivers (e.g. axp809-thermal) retrieve
 * a registered axp20x device's regmap. The device must be fully
 * configured or NULL will be returned.
 */
struct regmap *axp20x_node_to_regmap(struct device_node *np);

/**
 * axp20x_device_probe(): Probe a configured axp20x device
 *
 * @axp20x: axp20x device to probe (must be configured)
 *
 * This function lets the axp20x core register the axp20x mfd devices
 * and irqchip. The axp20x device passed in must be fully configured
 * with axp20x_match_device, its irq set, and regmap created.
 */
int axp20x_device_probe(struct axp20x_dev *axp20x);

/**
 * axp20x_device_probe(): Remove a axp20x device
 *
 * @axp20x: axp20x device to remove
 *
 * This tells the axp20x core to remove the associated mfd devices
 */
int axp20x_device_remove(struct axp20x_dev *axp20x);

#endif /* __LINUX_MFD_AXP20X_H */