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Current File : //usr/src/linux-headers-5.4.0-200/include/linux/mfd/max77620.h
/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * Defining registers address and its bit definitions of MAX77620 and MAX20024
 *
 * Copyright (C) 2016 NVIDIA CORPORATION. All rights reserved.
 */

#ifndef _MFD_MAX77620_H_
#define _MFD_MAX77620_H_

#include <linux/types.h>

/* GLOBAL, PMIC, GPIO, FPS, ONOFFC, CID Registers */
#define MAX77620_REG_CNFGGLBL1			0x00
#define MAX77620_REG_CNFGGLBL2			0x01
#define MAX77620_REG_CNFGGLBL3			0x02
#define MAX77620_REG_CNFG1_32K			0x03
#define MAX77620_REG_CNFGBBC			0x04
#define MAX77620_REG_IRQTOP			0x05
#define MAX77620_REG_INTLBT			0x06
#define MAX77620_REG_IRQSD			0x07
#define MAX77620_REG_IRQ_LVL2_L0_7		0x08
#define MAX77620_REG_IRQ_LVL2_L8		0x09
#define MAX77620_REG_IRQ_LVL2_GPIO		0x0A
#define MAX77620_REG_ONOFFIRQ			0x0B
#define MAX77620_REG_NVERC			0x0C
#define MAX77620_REG_IRQTOPM			0x0D
#define MAX77620_REG_INTENLBT			0x0E
#define MAX77620_REG_IRQMASKSD			0x0F
#define MAX77620_REG_IRQ_MSK_L0_7		0x10
#define MAX77620_REG_IRQ_MSK_L8			0x11
#define MAX77620_REG_ONOFFIRQM			0x12
#define MAX77620_REG_STATLBT			0x13
#define MAX77620_REG_STATSD			0x14
#define MAX77620_REG_ONOFFSTAT			0x15

/* SD and LDO Registers */
#define MAX77620_REG_SD0			0x16
#define MAX77620_REG_SD1			0x17
#define MAX77620_REG_SD2			0x18
#define MAX77620_REG_SD3			0x19
#define MAX77620_REG_SD4			0x1A
#define MAX77620_REG_DVSSD0			0x1B
#define MAX77620_REG_DVSSD1			0x1C
#define MAX77620_REG_SD0_CFG			0x1D
#define MAX77620_REG_SD1_CFG			0x1E
#define MAX77620_REG_SD2_CFG			0x1F
#define MAX77620_REG_SD3_CFG			0x20
#define MAX77620_REG_SD4_CFG			0x21
#define MAX77620_REG_SD_CFG2			0x22
#define MAX77620_REG_LDO0_CFG			0x23
#define MAX77620_REG_LDO0_CFG2			0x24
#define MAX77620_REG_LDO1_CFG			0x25
#define MAX77620_REG_LDO1_CFG2			0x26
#define MAX77620_REG_LDO2_CFG			0x27
#define MAX77620_REG_LDO2_CFG2			0x28
#define MAX77620_REG_LDO3_CFG			0x29
#define MAX77620_REG_LDO3_CFG2			0x2A
#define MAX77620_REG_LDO4_CFG			0x2B
#define MAX77620_REG_LDO4_CFG2			0x2C
#define MAX77620_REG_LDO5_CFG			0x2D
#define MAX77620_REG_LDO5_CFG2			0x2E
#define MAX77620_REG_LDO6_CFG			0x2F
#define MAX77620_REG_LDO6_CFG2			0x30
#define MAX77620_REG_LDO7_CFG			0x31
#define MAX77620_REG_LDO7_CFG2			0x32
#define MAX77620_REG_LDO8_CFG			0x33
#define MAX77620_REG_LDO8_CFG2			0x34
#define MAX77620_REG_LDO_CFG3			0x35

#define MAX77620_LDO_SLEW_RATE_MASK		0x1

/* LDO Configuration 3 */
#define MAX77620_TRACK4_MASK			BIT(5)
#define MAX77620_TRACK4_SHIFT			5

/* Voltage */
#define MAX77620_SDX_VOLT_MASK			0xFF
#define MAX77620_SD0_VOLT_MASK			0x3F
#define MAX77620_SD1_VOLT_MASK			0x7F
#define MAX77620_LDO_VOLT_MASK			0x3F

#define MAX77620_REG_GPIO0			0x36
#define MAX77620_REG_GPIO1			0x37
#define MAX77620_REG_GPIO2			0x38
#define MAX77620_REG_GPIO3			0x39
#define MAX77620_REG_GPIO4			0x3A
#define MAX77620_REG_GPIO5			0x3B
#define MAX77620_REG_GPIO6			0x3C
#define MAX77620_REG_GPIO7			0x3D
#define MAX77620_REG_PUE_GPIO			0x3E
#define MAX77620_REG_PDE_GPIO			0x3F
#define MAX77620_REG_AME_GPIO			0x40
#define MAX77620_REG_ONOFFCNFG1			0x41
#define MAX77620_REG_ONOFFCNFG2			0x42

/* FPS Registers */
#define MAX77620_REG_FPS_CFG0			0x43
#define MAX77620_REG_FPS_CFG1			0x44
#define MAX77620_REG_FPS_CFG2			0x45
#define MAX77620_REG_FPS_LDO0			0x46
#define MAX77620_REG_FPS_LDO1			0x47
#define MAX77620_REG_FPS_LDO2			0x48
#define MAX77620_REG_FPS_LDO3			0x49
#define MAX77620_REG_FPS_LDO4			0x4A
#define MAX77620_REG_FPS_LDO5			0x4B
#define MAX77620_REG_FPS_LDO6			0x4C
#define MAX77620_REG_FPS_LDO7			0x4D
#define MAX77620_REG_FPS_LDO8			0x4E
#define MAX77620_REG_FPS_SD0			0x4F
#define MAX77620_REG_FPS_SD1			0x50
#define MAX77620_REG_FPS_SD2			0x51
#define MAX77620_REG_FPS_SD3			0x52
#define MAX77620_REG_FPS_SD4			0x53
#define MAX77620_REG_FPS_NONE			0

#define MAX77620_FPS_SRC_MASK			0xC0
#define MAX77620_FPS_SRC_SHIFT			6
#define MAX77620_FPS_PU_PERIOD_MASK		0x38
#define MAX77620_FPS_PU_PERIOD_SHIFT		3
#define MAX77620_FPS_PD_PERIOD_MASK		0x07
#define MAX77620_FPS_PD_PERIOD_SHIFT		0
#define MAX77620_FPS_TIME_PERIOD_MASK		0x38
#define MAX77620_FPS_TIME_PERIOD_SHIFT		3
#define MAX77620_FPS_EN_SRC_MASK		0x06
#define MAX77620_FPS_EN_SRC_SHIFT		1
#define MAX77620_FPS_ENFPS_SW_MASK		0x01
#define MAX77620_FPS_ENFPS_SW			0x01

/* Minimum and maximum FPS period time (in microseconds) are
 * different for MAX77620 and Max20024.
 */
#define MAX77620_FPS_PERIOD_MIN_US		40
#define MAX20024_FPS_PERIOD_MIN_US		20

#define MAX20024_FPS_PERIOD_MAX_US		2560
#define MAX77620_FPS_PERIOD_MAX_US		5120

#define MAX77620_REG_FPS_GPIO1			0x54
#define MAX77620_REG_FPS_GPIO2			0x55
#define MAX77620_REG_FPS_GPIO3			0x56
#define MAX77620_REG_FPS_RSO			0x57
#define MAX77620_REG_CID0			0x58
#define MAX77620_REG_CID1			0x59
#define MAX77620_REG_CID2			0x5A
#define MAX77620_REG_CID3			0x5B
#define MAX77620_REG_CID4			0x5C
#define MAX77620_REG_CID5			0x5D

#define MAX77620_REG_DVSSD4			0x5E
#define MAX20024_REG_MAX_ADD			0x70

#define MAX77620_CID_DIDM_MASK			0xF0
#define MAX77620_CID_DIDM_SHIFT			4

/* CNCG2SD */
#define MAX77620_SD_CNF2_ROVS_EN_SD1		BIT(1)
#define MAX77620_SD_CNF2_ROVS_EN_SD0		BIT(2)

/* Device Identification Metal */
#define MAX77620_CID5_DIDM(n)			(((n) >> 4) & 0xF)
/* Device Indentification OTP */
#define MAX77620_CID5_DIDO(n)			((n) & 0xF)

/* SD CNFG1 */
#define MAX77620_SD_SR_MASK			0xC0
#define MAX77620_SD_SR_SHIFT			6
#define MAX77620_SD_POWER_MODE_MASK		0x30
#define MAX77620_SD_POWER_MODE_SHIFT		4
#define MAX77620_SD_CFG1_ADE_MASK		BIT(3)
#define MAX77620_SD_CFG1_ADE_DISABLE		0
#define MAX77620_SD_CFG1_ADE_ENABLE		BIT(3)
#define MAX77620_SD_FPWM_MASK			0x04
#define MAX77620_SD_FPWM_SHIFT			2
#define MAX77620_SD_FSRADE_MASK			0x01
#define MAX77620_SD_FSRADE_SHIFT		0
#define MAX77620_SD_CFG1_FPWM_SD_MASK		BIT(2)
#define MAX77620_SD_CFG1_FPWM_SD_SKIP		0
#define MAX77620_SD_CFG1_FPWM_SD_FPWM		BIT(2)
#define MAX20024_SD_CFG1_MPOK_MASK		BIT(1)
#define MAX77620_SD_CFG1_FSRADE_SD_MASK		BIT(0)
#define MAX77620_SD_CFG1_FSRADE_SD_DISABLE	0
#define MAX77620_SD_CFG1_FSRADE_SD_ENABLE	BIT(0)

/* LDO_CNFG2 */
#define MAX77620_LDO_POWER_MODE_MASK		0xC0
#define MAX77620_LDO_POWER_MODE_SHIFT		6
#define MAX20024_LDO_CFG2_MPOK_MASK		BIT(2)
#define MAX77620_LDO_CFG2_ADE_MASK		BIT(1)
#define MAX77620_LDO_CFG2_ADE_DISABLE		0
#define MAX77620_LDO_CFG2_ADE_ENABLE		BIT(1)
#define MAX77620_LDO_CFG2_SS_MASK		BIT(0)
#define MAX77620_LDO_CFG2_SS_FAST		BIT(0)
#define MAX77620_LDO_CFG2_SS_SLOW		0

#define MAX77620_IRQ_TOP_GLBL_MASK		BIT(7)
#define MAX77620_IRQ_TOP_SD_MASK		BIT(6)
#define MAX77620_IRQ_TOP_LDO_MASK		BIT(5)
#define MAX77620_IRQ_TOP_GPIO_MASK		BIT(4)
#define MAX77620_IRQ_TOP_RTC_MASK		BIT(3)
#define MAX77620_IRQ_TOP_32K_MASK		BIT(2)
#define MAX77620_IRQ_TOP_ONOFF_MASK		BIT(1)

#define MAX77620_IRQ_LBM_MASK			BIT(3)
#define MAX77620_IRQ_TJALRM1_MASK		BIT(2)
#define MAX77620_IRQ_TJALRM2_MASK		BIT(1)

#define MAX77620_PWR_I2C_ADDR			0x3c
#define MAX77620_RTC_I2C_ADDR			0x68

#define MAX77620_CNFG_GPIO_DRV_MASK		BIT(0)
#define MAX77620_CNFG_GPIO_DRV_PUSHPULL		BIT(0)
#define MAX77620_CNFG_GPIO_DRV_OPENDRAIN	0
#define MAX77620_CNFG_GPIO_DIR_MASK		BIT(1)
#define MAX77620_CNFG_GPIO_DIR_INPUT		BIT(1)
#define MAX77620_CNFG_GPIO_DIR_OUTPUT		0
#define MAX77620_CNFG_GPIO_INPUT_VAL_MASK	BIT(2)
#define MAX77620_CNFG_GPIO_OUTPUT_VAL_MASK	BIT(3)
#define MAX77620_CNFG_GPIO_OUTPUT_VAL_HIGH	BIT(3)
#define MAX77620_CNFG_GPIO_OUTPUT_VAL_LOW	0
#define MAX77620_CNFG_GPIO_INT_MASK		(0x3 << 4)
#define MAX77620_CNFG_GPIO_INT_FALLING		BIT(4)
#define MAX77620_CNFG_GPIO_INT_RISING		BIT(5)
#define MAX77620_CNFG_GPIO_DBNC_MASK		(0x3 << 6)
#define MAX77620_CNFG_GPIO_DBNC_None		(0x0 << 6)
#define MAX77620_CNFG_GPIO_DBNC_8ms		(0x1 << 6)
#define MAX77620_CNFG_GPIO_DBNC_16ms		(0x2 << 6)
#define MAX77620_CNFG_GPIO_DBNC_32ms		(0x3 << 6)

#define MAX77620_IRQ_LVL2_GPIO_EDGE0		BIT(0)
#define MAX77620_IRQ_LVL2_GPIO_EDGE1		BIT(1)
#define MAX77620_IRQ_LVL2_GPIO_EDGE2		BIT(2)
#define MAX77620_IRQ_LVL2_GPIO_EDGE3		BIT(3)
#define MAX77620_IRQ_LVL2_GPIO_EDGE4		BIT(4)
#define MAX77620_IRQ_LVL2_GPIO_EDGE5		BIT(5)
#define MAX77620_IRQ_LVL2_GPIO_EDGE6		BIT(6)
#define MAX77620_IRQ_LVL2_GPIO_EDGE7		BIT(7)

#define MAX77620_CNFG1_32K_OUT0_EN		BIT(2)

#define MAX77620_ONOFFCNFG1_SFT_RST		BIT(7)
#define MAX77620_ONOFFCNFG1_MRT_MASK		0x38
#define MAX77620_ONOFFCNFG1_MRT_SHIFT		0x3
#define MAX77620_ONOFFCNFG1_SLPEN		BIT(2)
#define MAX77620_ONOFFCNFG1_PWR_OFF		BIT(1)
#define MAX20024_ONOFFCNFG1_CLRSE		0x18

#define MAX77620_ONOFFCNFG2_SFT_RST_WK		BIT(7)
#define MAX77620_ONOFFCNFG2_WD_RST_WK		BIT(6)
#define MAX77620_ONOFFCNFG2_SLP_LPM_MSK		BIT(5)
#define MAX77620_ONOFFCNFG2_WK_ALARM1		BIT(2)
#define MAX77620_ONOFFCNFG2_WK_EN0		BIT(0)

#define MAX77620_GLBLM_MASK			BIT(0)

#define MAX77620_WDTC_MASK			0x3
#define MAX77620_WDTOFFC			BIT(4)
#define MAX77620_WDTSLPC			BIT(3)
#define MAX77620_WDTEN				BIT(2)

#define MAX77620_TWD_MASK			0x3
#define MAX77620_TWD_2s				0x0
#define MAX77620_TWD_16s			0x1
#define MAX77620_TWD_64s			0x2
#define MAX77620_TWD_128s			0x3

#define MAX77620_CNFGGLBL1_LBDAC_EN		BIT(7)
#define MAX77620_CNFGGLBL1_MPPLD		BIT(6)
#define MAX77620_CNFGGLBL1_LBHYST		(BIT(5) | BIT(4))
#define MAX77620_CNFGGLBL1_LBDAC		0x0E
#define MAX77620_CNFGGLBL1_LBRSTEN		BIT(0)

/* CNFG BBC registers */
#define MAX77620_CNFGBBC_ENABLE			BIT(0)
#define MAX77620_CNFGBBC_CURRENT_MASK		0x06
#define MAX77620_CNFGBBC_CURRENT_SHIFT		1
#define MAX77620_CNFGBBC_VOLTAGE_MASK		0x18
#define MAX77620_CNFGBBC_VOLTAGE_SHIFT		3
#define MAX77620_CNFGBBC_LOW_CURRENT_DISABLE	BIT(5)
#define MAX77620_CNFGBBC_RESISTOR_MASK		0xC0
#define MAX77620_CNFGBBC_RESISTOR_SHIFT		6

#define MAX77620_FPS_COUNT			3

/* Interrupts */
enum {
	MAX77620_IRQ_TOP_GLBL,		/* Low-Battery */
	MAX77620_IRQ_TOP_SD,		/* SD power fail */
	MAX77620_IRQ_TOP_LDO,		/* LDO power fail */
	MAX77620_IRQ_TOP_GPIO,		/* TOP GPIO internal int to MAX77620 */
	MAX77620_IRQ_TOP_RTC,		/* RTC */
	MAX77620_IRQ_TOP_32K,		/* 32kHz oscillator */
	MAX77620_IRQ_TOP_ONOFF,		/* ON/OFF oscillator */
	MAX77620_IRQ_LBT_MBATLOW,	/* Thermal alarm status, > 120C */
	MAX77620_IRQ_LBT_TJALRM1,	/* Thermal alarm status, > 120C */
	MAX77620_IRQ_LBT_TJALRM2,	/* Thermal alarm status, > 140C */
};

/* GPIOs */
enum {
	MAX77620_GPIO0,
	MAX77620_GPIO1,
	MAX77620_GPIO2,
	MAX77620_GPIO3,
	MAX77620_GPIO4,
	MAX77620_GPIO5,
	MAX77620_GPIO6,
	MAX77620_GPIO7,
	MAX77620_GPIO_NR,
};

/* FPS Source */
enum max77620_fps_src {
	MAX77620_FPS_SRC_0,
	MAX77620_FPS_SRC_1,
	MAX77620_FPS_SRC_2,
	MAX77620_FPS_SRC_NONE,
	MAX77620_FPS_SRC_DEF,
};

enum max77620_chip_id {
	MAX77620,
	MAX20024,
	MAX77663,
};

struct max77620_chip {
	struct device *dev;
	struct regmap *rmap;

	int chip_irq;
	int irq_base;

	/* chip id */
	enum max77620_chip_id chip_id;

	bool sleep_enable;
	bool enable_global_lpm;
	int shutdown_fps_period[MAX77620_FPS_COUNT];
	int suspend_fps_period[MAX77620_FPS_COUNT];

	struct regmap_irq_chip_data *top_irq_data;
	struct regmap_irq_chip_data *gpio_irq_data;
};

#endif /* _MFD_MAX77620_H_ */

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