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Commit c7f585fe authored by Jaewon Kim's avatar Jaewon Kim Committed by Lee Jones
Browse files

mfd: max77843: Add max77843 MFD driver core driver 



This patch adds MAX77843 core/irq driver to support PMIC,
MUIC(Micro USB Interface Controller), Charger, Fuel Gauge,
LED and Haptic device.

Signed-off-by: default avatarJaewon Kim <jaewon02.kim@samsung.com>
Signed-off-by: default avatarBeomho Seo <beomho.seo@samsung.com>
Signed-off-by: default avatarLee Jones <lee.jones@linaro.org>
parent d3591df3

drivers/mfd/Kconfig

+14 −0
Original line number Diff line number Diff line
@@ -456,6 +456,20 @@ config MFD_MAX77693 
	  additional drivers must be enabled in order to use the functionality

	  of the device.



config MFD_MAX77843

	bool "Maxim Semiconductor MAX77843 PMIC Support"

	depends on I2C=y

	select MFD_CORE

	select REGMAP_I2C

	select REGMAP_IRQ

	help

	  Say yes here to add support for Maxim Semiconductor MAX77843.

	  This is companion Power Management IC with LEDs, Haptic, Charger,

	  Fuel Gauge, MUIC(Micro USB Interface Controller) controls on chip.

	  This driver provides common support for accessing the device;

	  additional drivers must be enabled in order to use the functionality

	  of the device.



config MFD_MAX8907

	tristate "Maxim Semiconductor MAX8907 PMIC Support"

	select MFD_CORE

drivers/mfd/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -117,6 +117,7 @@ obj-$(CONFIG_MFD_DA9150) += da9150-core.o 
obj-$(CONFIG_MFD_MAX14577)	+= max14577.o

obj-$(CONFIG_MFD_MAX77686)	+= max77686.o

obj-$(CONFIG_MFD_MAX77693)	+= max77693.o

obj-$(CONFIG_MFD_MAX77843)	+= max77843.o

obj-$(CONFIG_MFD_MAX8907)	+= max8907.o

max8925-objs			:= max8925-core.o max8925-i2c.o

obj-$(CONFIG_MFD_MAX8925)	+= max8925.o

drivers/mfd/max77843.c

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/*

 * MFD core driver for the Maxim MAX77843

 *

 * Copyright (C) 2015 Samsung Electronics

 * Author: Jaewon Kim <jaewon02.kim@samsung.com>

 * Author: Beomho Seo <beomho.seo@samsung.com>

 *

 * 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/err.h>

#include <linux/i2c.h>

#include <linux/init.h>

#include <linux/interrupt.h>

#include <linux/module.h>

#include <linux/mfd/core.h>

#include <linux/mfd/max77843-private.h>

#include <linux/of_device.h>

#include <linux/platform_device.h>



static const struct mfd_cell max77843_devs[] = {

	{

		.name = "max77843-muic",

		.of_compatible = "maxim,max77843-muic",

	}, {

		.name = "max77843-regulator",

		.of_compatible = "maxim,max77843-regulator",

	}, {

		.name = "max77843-charger",

		.of_compatible = "maxim,max77843-charger"

	}, {

		.name = "max77843-fuelgauge",

		.of_compatible = "maxim,max77843-fuelgauge",

	}, {

		.name = "max77843-haptic",

		.of_compatible = "maxim,max77843-haptic",

	},

};



static const struct regmap_config max77843_charger_regmap_config = {

	.reg_bits	= 8,

	.val_bits	= 8,

	.max_register	= MAX77843_CHG_REG_END,

};



static const struct regmap_config max77843_regmap_config = {

	.reg_bits	= 8,

	.val_bits	= 8,

	.max_register	= MAX77843_SYS_REG_END,

};



static const struct regmap_irq max77843_irqs[] = {

	/* TOPSYS interrupts */

	{ .reg_offset = 0, .mask = MAX77843_SYS_IRQ_SYSUVLO_INT, },

	{ .reg_offset = 0, .mask = MAX77843_SYS_IRQ_SYSOVLO_INT, },

	{ .reg_offset = 0, .mask = MAX77843_SYS_IRQ_TSHDN_INT, },

	{ .reg_offset = 0, .mask = MAX77843_SYS_IRQ_TM_INT, },

};



static const struct regmap_irq_chip max77843_irq_chip = {

	.name		= "max77843",

	.status_base	= MAX77843_SYS_REG_SYSINTSRC,

	.mask_base	= MAX77843_SYS_REG_SYSINTMASK,

	.mask_invert	= false,

	.num_regs	= 1,

	.irqs		= max77843_irqs,

	.num_irqs	= ARRAY_SIZE(max77843_irqs),

};



/* Charger and Charger regulator use same regmap. */

static int max77843_chg_init(struct max77843 *max77843)

{

	int ret;



	max77843->i2c_chg = i2c_new_dummy(max77843->i2c->adapter, I2C_ADDR_CHG);

	if (!max77843->i2c_chg) {

		dev_err(&max77843->i2c->dev,

				"Cannot allocate I2C device for Charger\n");

		return PTR_ERR(max77843->i2c_chg);

	}

	i2c_set_clientdata(max77843->i2c_chg, max77843);



	max77843->regmap_chg = devm_regmap_init_i2c(max77843->i2c_chg,

			&max77843_charger_regmap_config);

	if (IS_ERR(max77843->regmap_chg)) {

		ret = PTR_ERR(max77843->regmap_chg);

		goto err_chg_i2c;

	}



	return 0;



err_chg_i2c:

	i2c_unregister_device(max77843->i2c_chg);



	return ret;

}



static int max77843_probe(struct i2c_client *i2c,

			  const struct i2c_device_id *id)

{

	struct max77843 *max77843;

	unsigned int reg_data;

	int ret;



	max77843 = devm_kzalloc(&i2c->dev, sizeof(*max77843), GFP_KERNEL);

	if (!max77843)

		return -ENOMEM;



	i2c_set_clientdata(i2c, max77843);

	max77843->dev = &i2c->dev;

	max77843->i2c = i2c;

	max77843->irq = i2c->irq;



	max77843->regmap = devm_regmap_init_i2c(i2c,

			&max77843_regmap_config);

	if (IS_ERR(max77843->regmap)) {

		dev_err(&i2c->dev, "Failed to allocate topsys register map\n");

		return PTR_ERR(max77843->regmap);

	}



	ret = regmap_add_irq_chip(max77843->regmap, max77843->irq,

			IRQF_TRIGGER_LOW | IRQF_ONESHOT | IRQF_SHARED,

			0, &max77843_irq_chip, &max77843->irq_data);

	if (ret) {

		dev_err(&i2c->dev, "Failed to add TOPSYS IRQ chip\n");

		return ret;

	}



	ret = regmap_read(max77843->regmap,

			MAX77843_SYS_REG_PMICID, &reg_data);

	if (ret < 0) {

		dev_err(&i2c->dev, "Failed to read PMIC ID\n");

		goto err_pmic_id;

	}

	dev_info(&i2c->dev, "device ID: 0x%x\n", reg_data);



	ret = max77843_chg_init(max77843);

	if (ret) {

		dev_err(&i2c->dev, "Failed to init Charger\n");

		goto err_pmic_id;

	}



	ret = regmap_update_bits(max77843->regmap,

				 MAX77843_SYS_REG_INTSRCMASK,

				 MAX77843_INTSRC_MASK_MASK,

				 (unsigned int)~MAX77843_INTSRC_MASK_MASK);

	if (ret < 0) {

		dev_err(&i2c->dev, "Failed to unmask interrupt source\n");

		goto err_pmic_id;

	}



	ret = mfd_add_devices(max77843->dev, -1, max77843_devs,

			      ARRAY_SIZE(max77843_devs), NULL, 0, NULL);

	if (ret < 0) {

		dev_err(&i2c->dev, "Failed to add mfd device\n");

		goto err_pmic_id;

	}



	device_init_wakeup(max77843->dev, true);



	return 0;



err_pmic_id:

	regmap_del_irq_chip(max77843->irq, max77843->irq_data);



	return ret;

}



static int max77843_remove(struct i2c_client *i2c)

{

	struct max77843 *max77843 = i2c_get_clientdata(i2c);



	mfd_remove_devices(max77843->dev);



	regmap_del_irq_chip(max77843->irq, max77843->irq_data);



	i2c_unregister_device(max77843->i2c_chg);



	return 0;

}



static const struct of_device_id max77843_dt_match[] = {

	{ .compatible = "maxim,max77843", },

	{ },

};



static const struct i2c_device_id max77843_id[] = {

	{ "max77843", },

	{ },

};

MODULE_DEVICE_TABLE(i2c, max77843_id);



static int __maybe_unused max77843_suspend(struct device *dev)

{

	struct i2c_client *i2c = container_of(dev, struct i2c_client, dev);

	struct max77843 *max77843 = i2c_get_clientdata(i2c);



	disable_irq(max77843->irq);

	if (device_may_wakeup(dev))

		enable_irq_wake(max77843->irq);



	return 0;

}



static int __maybe_unused max77843_resume(struct device *dev)

{

	struct i2c_client *i2c = container_of(dev, struct i2c_client, dev);

	struct max77843 *max77843 = i2c_get_clientdata(i2c);



	if (device_may_wakeup(dev))

		disable_irq_wake(max77843->irq);

	enable_irq(max77843->irq);



	return 0;

}



static SIMPLE_DEV_PM_OPS(max77843_pm, max77843_suspend, max77843_resume);



static struct i2c_driver max77843_i2c_driver = {

	.driver	= {

		.name = "max77843",

		.pm = &max77843_pm,

		.of_match_table = max77843_dt_match,

	},

	.probe = max77843_probe,

	.remove = max77843_remove,

	.id_table = max77843_id,

};



static int __init max77843_i2c_init(void)

{

	return i2c_add_driver(&max77843_i2c_driver);

}

subsys_initcall(max77843_i2c_init);



static void __exit max77843_i2c_exit(void)

{

	i2c_del_driver(&max77843_i2c_driver);

}

module_exit(max77843_i2c_exit);

include/linux/mfd/max77843-private.h

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/*

 * Common variables for the Maxim MAX77843 driver

 *

 * Copyright (C) 2015 Samsung Electronics

 * Author: Jaewon Kim <jaewon02.kim@samsung.com>

 * Author: Beomho Seo <beomho.seo@samsung.com>

 *

 * 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.

 */



#ifndef __MAX77843_PRIVATE_H_

#define __MAX77843_PRIVATE_H_



#include <linux/i2c.h>

#include <linux/regmap.h>



#define I2C_ADDR_TOPSYS	(0xCC >> 1)

#define I2C_ADDR_CHG	(0xD2 >> 1)

#define I2C_ADDR_FG	(0x6C >> 1)

#define I2C_ADDR_MUIC	(0x4A >> 1)



/* Topsys, Haptic and LED registers */

enum max77843_sys_reg {

	MAX77843_SYS_REG_PMICID		= 0x00,

	MAX77843_SYS_REG_PMICREV	= 0x01,

	MAX77843_SYS_REG_MAINCTRL1	= 0x02,

	MAX77843_SYS_REG_INTSRC		= 0x22,

	MAX77843_SYS_REG_INTSRCMASK	= 0x23,

	MAX77843_SYS_REG_SYSINTSRC	= 0x24,

	MAX77843_SYS_REG_SYSINTMASK	= 0x26,

	MAX77843_SYS_REG_TOPSYS_STAT	= 0x28,

	MAX77843_SYS_REG_SAFEOUTCTRL	= 0xC6,



	MAX77843_SYS_REG_END,

};



enum max77843_haptic_reg {

	MAX77843_HAP_REG_MCONFIG	= 0x10,



	MAX77843_HAP_REG_END,

};



enum max77843_led_reg {

	MAX77843_LED_REG_LEDEN		= 0x30,

	MAX77843_LED_REG_LED0BRT	= 0x31,

	MAX77843_LED_REG_LED1BRT	= 0x32,

	MAX77843_LED_REG_LED2BRT	= 0x33,

	MAX77843_LED_REG_LED3BRT	= 0x34,

	MAX77843_LED_REG_LEDBLNK	= 0x38,

	MAX77843_LED_REG_LEDRAMP	= 0x36,



	MAX77843_LED_REG_END,

};



/* Charger registers */

enum max77843_charger_reg {

	MAX77843_CHG_REG_CHG_INT	= 0xB0,

	MAX77843_CHG_REG_CHG_INT_MASK	= 0xB1,

	MAX77843_CHG_REG_CHG_INT_OK	= 0xB2,

	MAX77843_CHG_REG_CHG_DTLS_00	= 0xB3,

	MAX77843_CHG_REG_CHG_DTLS_01	= 0xB4,

	MAX77843_CHG_REG_CHG_DTLS_02	= 0xB5,

	MAX77843_CHG_REG_CHG_CNFG_00	= 0xB7,

	MAX77843_CHG_REG_CHG_CNFG_01	= 0xB8,

	MAX77843_CHG_REG_CHG_CNFG_02	= 0xB9,

	MAX77843_CHG_REG_CHG_CNFG_03	= 0xBA,

	MAX77843_CHG_REG_CHG_CNFG_04	= 0xBB,

	MAX77843_CHG_REG_CHG_CNFG_06	= 0xBD,

	MAX77843_CHG_REG_CHG_CNFG_07	= 0xBE,

	MAX77843_CHG_REG_CHG_CNFG_09	= 0xC0,

	MAX77843_CHG_REG_CHG_CNFG_10	= 0xC1,

	MAX77843_CHG_REG_CHG_CNFG_11	= 0xC2,

	MAX77843_CHG_REG_CHG_CNFG_12	= 0xC3,



	MAX77843_CHG_REG_END,

};



/* Fuel gauge registers */

enum max77843_fuelgauge {

	MAX77843_FG_REG_STATUS		= 0x00,

	MAX77843_FG_REG_VALRT_TH	= 0x01,

	MAX77843_FG_REG_TALRT_TH	= 0x02,

	MAX77843_FG_REG_SALRT_TH	= 0x03,

	MAX77843_FG_RATE_AT_RATE	= 0x04,

	MAX77843_FG_REG_REMCAP_REP	= 0x05,

	MAX77843_FG_REG_SOCREP		= 0x06,

	MAX77843_FG_REG_AGE		= 0x07,

	MAX77843_FG_REG_TEMP		= 0x08,

	MAX77843_FG_REG_VCELL		= 0x09,

	MAX77843_FG_REG_CURRENT		= 0x0A,

	MAX77843_FG_REG_AVG_CURRENT	= 0x0B,

	MAX77843_FG_REG_SOCMIX		= 0x0D,

	MAX77843_FG_REG_SOCAV		= 0x0E,

	MAX77843_FG_REG_REMCAP_MIX	= 0x0F,

	MAX77843_FG_REG_FULLCAP		= 0x10,

	MAX77843_FG_REG_AVG_TEMP	= 0x16,

	MAX77843_FG_REG_CYCLES		= 0x17,

	MAX77843_FG_REG_AVG_VCELL	= 0x19,

	MAX77843_FG_REG_CONFIG		= 0x1D,

	MAX77843_FG_REG_REMCAP_AV	= 0x1F,

	MAX77843_FG_REG_FULLCAP_NOM	= 0x23,

	MAX77843_FG_REG_MISCCFG		= 0x2B,

	MAX77843_FG_REG_RCOMP		= 0x38,

	MAX77843_FG_REG_FSTAT		= 0x3D,

	MAX77843_FG_REG_DQACC		= 0x45,

	MAX77843_FG_REG_DPACC		= 0x46,

	MAX77843_FG_REG_OCV		= 0xEE,

	MAX77843_FG_REG_VFOCV		= 0xFB,

	MAX77843_FG_SOCVF		= 0xFF,



	MAX77843_FG_END,

};



/* MUIC registers */

enum max77843_muic_reg {

	MAX77843_MUIC_REG_ID		= 0x00,

	MAX77843_MUIC_REG_INT1		= 0x01,

	MAX77843_MUIC_REG_INT2		= 0x02,

	MAX77843_MUIC_REG_INT3		= 0x03,

	MAX77843_MUIC_REG_STATUS1	= 0x04,

	MAX77843_MUIC_REG_STATUS2	= 0x05,

	MAX77843_MUIC_REG_STATUS3	= 0x06,

	MAX77843_MUIC_REG_INTMASK1	= 0x07,

	MAX77843_MUIC_REG_INTMASK2	= 0x08,

	MAX77843_MUIC_REG_INTMASK3	= 0x09,

	MAX77843_MUIC_REG_CDETCTRL1	= 0x0A,

	MAX77843_MUIC_REG_CDETCTRL2	= 0x0B,

	MAX77843_MUIC_REG_CONTROL1	= 0x0C,

	MAX77843_MUIC_REG_CONTROL2	= 0x0D,

	MAX77843_MUIC_REG_CONTROL3	= 0x0E,

	MAX77843_MUIC_REG_CONTROL4	= 0x16,

	MAX77843_MUIC_REG_HVCONTROL1	= 0x17,

	MAX77843_MUIC_REG_HVCONTROL2	= 0x18,



	MAX77843_MUIC_REG_END,

};



enum max77843_irq {

	/* Topsys: SYSTEM */

	MAX77843_SYS_IRQ_SYSINTSRC_SYSUVLO_INT,

	MAX77843_SYS_IRQ_SYSINTSRC_SYSOVLO_INT,

	MAX77843_SYS_IRQ_SYSINTSRC_TSHDN_INT,

	MAX77843_SYS_IRQ_SYSINTSRC_TM_INT,



	/* Charger: CHG_INT */

	MAX77843_CHG_IRQ_CHG_INT_BYP_I,

	MAX77843_CHG_IRQ_CHG_INT_BATP_I,

	MAX77843_CHG_IRQ_CHG_INT_BAT_I,

	MAX77843_CHG_IRQ_CHG_INT_CHG_I,

	MAX77843_CHG_IRQ_CHG_INT_WCIN_I,

	MAX77843_CHG_IRQ_CHG_INT_CHGIN_I,

	MAX77843_CHG_IRQ_CHG_INT_AICL_I,



	MAX77843_IRQ_NUM,

};



enum max77843_irq_muic {

	/* MUIC: INT1 */

	MAX77843_MUIC_IRQ_INT1_ADC,

	MAX77843_MUIC_IRQ_INT1_ADCERROR,

	MAX77843_MUIC_IRQ_INT1_ADC1K,



	/* MUIC: INT2 */

	MAX77843_MUIC_IRQ_INT2_CHGTYP,

	MAX77843_MUIC_IRQ_INT2_CHGDETRUN,

	MAX77843_MUIC_IRQ_INT2_DCDTMR,

	MAX77843_MUIC_IRQ_INT2_DXOVP,

	MAX77843_MUIC_IRQ_INT2_VBVOLT,



	/* MUIC: INT3 */

	MAX77843_MUIC_IRQ_INT3_VBADC,

	MAX77843_MUIC_IRQ_INT3_VDNMON,

	MAX77843_MUIC_IRQ_INT3_DNRES,

	MAX77843_MUIC_IRQ_INT3_MPNACK,

	MAX77843_MUIC_IRQ_INT3_MRXBUFOW,

	MAX77843_MUIC_IRQ_INT3_MRXTRF,

	MAX77843_MUIC_IRQ_INT3_MRXPERR,

	MAX77843_MUIC_IRQ_INT3_MRXRDY,



	MAX77843_MUIC_IRQ_NUM,

};



/* MAX77843 interrupts */

#define MAX77843_SYS_IRQ_SYSUVLO_INT		BIT(0)

#define MAX77843_SYS_IRQ_SYSOVLO_INT		BIT(1)

#define MAX77843_SYS_IRQ_TSHDN_INT		BIT(2)

#define MAX77843_SYS_IRQ_TM_INT			BIT(3)



/* MAX77843 MAINCTRL1 register */

#define MAINCTRL1_BIASEN_SHIFT			7

#define MAX77843_MAINCTRL1_BIASEN_MASK		BIT(MAINCTRL1_BIASEN_SHIFT)



/* MAX77843 MCONFIG register */

#define MCONFIG_MODE_SHIFT			7

#define MCONFIG_MEN_SHIFT			6

#define MCONFIG_PDIV_SHIFT			0



#define MAX77843_MCONFIG_MODE_MASK		BIT(MCONFIG_MODE_SHIFT)

#define MAX77843_MCONFIG_MEN_MASK		BIT(MCONFIG_MEN_SHIFT)

#define MAX77843_MCONFIG_PDIV_MASK		(0x3 << MCONFIG_PDIV_SHIFT)



/* Max77843 charger insterrupts */

#define MAX77843_CHG_BYP_I			BIT(0)

#define MAX77843_CHG_BATP_I			BIT(2)

#define MAX77843_CHG_BAT_I			BIT(3)

#define MAX77843_CHG_CHG_I			BIT(4)

#define MAX77843_CHG_WCIN_I			BIT(5)

#define MAX77843_CHG_CHGIN_I			BIT(6)

#define MAX77843_CHG_AICL_I			BIT(7)



/* MAX77843 CHG_INT_OK register */

#define MAX77843_CHG_BYP_OK			BIT(0)

#define MAX77843_CHG_BATP_OK			BIT(2)

#define MAX77843_CHG_BAT_OK			BIT(3)

#define MAX77843_CHG_CHG_OK			BIT(4)

#define MAX77843_CHG_WCIN_OK			BIT(5)

#define MAX77843_CHG_CHGIN_OK			BIT(6)

#define MAX77843_CHG_AICL_OK			BIT(7)



/* MAX77843 CHG_DETAILS_00 register */

#define MAX77843_CHG_BAT_DTLS			BIT(0)



/* MAX77843 CHG_DETAILS_01 register */

#define MAX77843_CHG_DTLS_MASK			0x0f

#define MAX77843_CHG_PQ_MODE			0x00

#define MAX77843_CHG_CC_MODE			0x01

#define MAX77843_CHG_CV_MODE			0x02

#define MAX77843_CHG_TO_MODE			0x03

#define MAX77843_CHG_DO_MODE			0x04

#define MAX77843_CHG_HT_MODE			0x05

#define MAX77843_CHG_TF_MODE			0x06

#define MAX77843_CHG_TS_MODE			0x07

#define MAX77843_CHG_OFF_MODE			0x08



#define MAX77843_CHG_BAT_DTLS_MASK		0xf0

#define MAX77843_CHG_NO_BAT			(0x00 << 4)

#define MAX77843_CHG_LOW_VOLT_BAT		(0x01 << 4)

#define MAX77843_CHG_LONG_BAT_TIME		(0x02 << 4)

#define MAX77843_CHG_OK_BAT			(0x03 << 4)

#define MAX77843_CHG_OK_LOW_VOLT_BAT		(0x04 << 4)

#define MAX77843_CHG_OVER_VOLT_BAT		(0x05 << 4)

#define MAX77843_CHG_OVER_CURRENT_BAT		(0x06 << 4)



/* MAX77843 CHG_CNFG_00 register */

#define MAX77843_CHG_DISABLE			0x00

#define MAX77843_CHG_ENABLE			0x05

#define MAX77843_CHG_MASK			0x01

#define MAX77843_CHG_BUCK_MASK			0x04



/* MAX77843 CHG_CNFG_01 register */

#define MAX77843_CHG_RESTART_THRESHOLD_100	0x00

#define MAX77843_CHG_RESTART_THRESHOLD_150	0x10

#define MAX77843_CHG_RESTART_THRESHOLD_200	0x20

#define MAX77843_CHG_RESTART_THRESHOLD_DISABLE	0x30



/* MAX77843 CHG_CNFG_02 register */

#define MAX77843_CHG_FAST_CHG_CURRENT_MIN	100000

#define MAX77843_CHG_FAST_CHG_CURRENT_MAX	3150000

#define MAX77843_CHG_FAST_CHG_CURRENT_STEP	50000

#define MAX77843_CHG_FAST_CHG_CURRENT_MASK	0x3f

#define MAX77843_CHG_OTG_ILIMIT_500		(0x00 << 6)

#define MAX77843_CHG_OTG_ILIMIT_900		(0x01 << 6)

#define MAX77843_CHG_OTG_ILIMIT_1200		(0x02 << 6)

#define MAX77843_CHG_OTG_ILIMIT_1500		(0x03 << 6)

#define MAX77843_CHG_OTG_ILIMIT_MASK		0xc0



/* MAX77843 CHG_CNFG_03 register */

#define MAX77843_CHG_TOP_OFF_CURRENT_MIN	125000

#define MAX77843_CHG_TOP_OFF_CURRENT_MAX	650000

#define MAX77843_CHG_TOP_OFF_CURRENT_STEP	75000

#define MAX77843_CHG_TOP_OFF_CURRENT_MASK	0x07



/* MAX77843 CHG_CNFG_06 register */

#define MAX77843_CHG_WRITE_CAP_BLOCK		0x10

#define MAX77843_CHG_WRITE_CAP_UNBLOCK		0x0C



/* MAX77843_CHG_CNFG_09_register */

#define MAX77843_CHG_INPUT_CURRENT_LIMIT_MIN	100000

#define MAX77843_CHG_INPUT_CURRENT_LIMIT_MAX	4000000

#define MAX77843_CHG_INPUT_CURRENT_LIMIT_REF	3367000

#define MAX77843_CHG_INPUT_CURRENT_LIMIT_STEP	33000



#define MAX77843_MUIC_ADC			BIT(0)

#define MAX77843_MUIC_ADCERROR			BIT(2)

#define MAX77843_MUIC_ADC1K			BIT(3)



#define MAX77843_MUIC_CHGTYP			BIT(0)

#define MAX77843_MUIC_CHGDETRUN			BIT(1)

#define MAX77843_MUIC_DCDTMR			BIT(2)

#define MAX77843_MUIC_DXOVP			BIT(3)

#define MAX77843_MUIC_VBVOLT			BIT(4)



#define MAX77843_MUIC_VBADC			BIT(0)

#define MAX77843_MUIC_VDNMON			BIT(1)

#define MAX77843_MUIC_DNRES			BIT(2)

#define MAX77843_MUIC_MPNACK			BIT(3)

#define MAX77843_MUIC_MRXBUFOW			BIT(4)

#define MAX77843_MUIC_MRXTRF			BIT(5)

#define MAX77843_MUIC_MRXPERR			BIT(6)

#define MAX77843_MUIC_MRXRDY			BIT(7)



/* MAX77843 INTSRCMASK register */

#define MAX77843_INTSRCMASK_CHGR		0

#define MAX77843_INTSRCMASK_SYS			1

#define MAX77843_INTSRCMASK_FG			2

#define MAX77843_INTSRCMASK_MUIC		3



#define MAX77843_INTSRCMASK_CHGR_MASK          BIT(MAX77843_INTSRCMASK_CHGR)

#define MAX77843_INTSRCMASK_SYS_MASK           BIT(MAX77843_INTSRCMASK_SYS)

#define MAX77843_INTSRCMASK_FG_MASK            BIT(MAX77843_INTSRCMASK_FG)

#define MAX77843_INTSRCMASK_MUIC_MASK          BIT(MAX77843_INTSRCMASK_MUIC)



#define MAX77843_INTSRC_MASK_MASK \

	(MAX77843_INTSRCMASK_MUIC_MASK | MAX77843_INTSRCMASK_FG_MASK | \

	MAX77843_INTSRCMASK_SYS_MASK | MAX77843_INTSRCMASK_CHGR_MASK)



/* MAX77843 STATUS register*/

#define STATUS1_ADC_SHIFT			0

#define STATUS1_ADCERROR_SHIFT			6

#define STATUS1_ADC1K_SHIFT			7

#define STATUS2_CHGTYP_SHIFT			0

#define STATUS2_CHGDETRUN_SHIFT			3

#define STATUS2_DCDTMR_SHIFT			4

#define STATUS2_DXOVP_SHIFT			5

#define STATUS2_VBVOLT_SHIFT			6

#define STATUS3_VBADC_SHIFT			0

#define STATUS3_VDNMON_SHIFT			4

#define STATUS3_DNRES_SHIFT			5

#define STATUS3_MPNACK_SHIFT			6



#define MAX77843_MUIC_STATUS1_ADC_MASK		(0x1f << STATUS1_ADC_SHIFT)

#define MAX77843_MUIC_STATUS1_ADCERROR_MASK	BIT(STATUS1_ADCERROR_SHIFT)

#define MAX77843_MUIC_STATUS1_ADC1K_MASK	BIT(STATUS1_ADC1K_SHIFT)

#define MAX77843_MUIC_STATUS2_CHGTYP_MASK	(0x7 << STATUS2_CHGTYP_SHIFT)

#define MAX77843_MUIC_STATUS2_CHGDETRUN_MASK	BIT(STATUS2_CHGDETRUN_SHIFT)

#define MAX77843_MUIC_STATUS2_DCDTMR_MASK	BIT(STATUS2_DCDTMR_SHIFT)

#define MAX77843_MUIC_STATUS2_DXOVP_MASK	BIT(STATUS2_DXOVP_SHIFT)

#define MAX77843_MUIC_STATUS2_VBVOLT_MASK	BIT(STATUS2_VBVOLT_SHIFT)

#define MAX77843_MUIC_STATUS3_VBADC_MASK	(0xf << STATUS3_VBADC_SHIFT)

#define MAX77843_MUIC_STATUS3_VDNMON_MASK	BIT(STATUS3_VDNMON_SHIFT)

#define MAX77843_MUIC_STATUS3_DNRES_MASK	BIT(STATUS3_DNRES_SHIFT)

#define MAX77843_MUIC_STATUS3_MPNACK_MASK	BIT(STATUS3_MPNACK_SHIFT)



/* MAX77843 CONTROL register */

#define CONTROL1_COMP1SW_SHIFT			0

#define CONTROL1_COMP2SW_SHIFT			3

#define CONTROL1_IDBEN_SHIFT			7

#define CONTROL2_LOWPWR_SHIFT			0

#define CONTROL2_ADCEN_SHIFT			1

#define CONTROL2_CPEN_SHIFT			2

#define CONTROL2_ACC_DET_SHIFT			5

#define CONTROL2_USBCPINT_SHIFT			6

#define CONTROL2_RCPS_SHIFT			7

#define CONTROL3_JIGSET_SHIFT			0

#define CONTROL4_ADCDBSET_SHIFT			0

#define CONTROL4_USBAUTO_SHIFT			4

#define CONTROL4_FCTAUTO_SHIFT			5

#define CONTROL4_ADCMODE_SHIFT			6



#define MAX77843_MUIC_CONTROL1_COMP1SW_MASK	(0x7 << CONTROL1_COMP1SW_SHIFT)

#define MAX77843_MUIC_CONTROL1_COMP2SW_MASK	(0x7 << CONTROL1_COMP2SW_SHIFT)

#define MAX77843_MUIC_CONTROL1_IDBEN_MASK	BIT(CONTROL1_IDBEN_SHIFT)

#define MAX77843_MUIC_CONTROL2_LOWPWR_MASK	BIT(CONTROL2_LOWPWR_SHIFT)

#define MAX77843_MUIC_CONTROL2_ADCEN_MASK	BIT(CONTROL2_ADCEN_SHIFT)

#define MAX77843_MUIC_CONTROL2_CPEN_MASK	BIT(CONTROL2_CPEN_SHIFT)

#define MAX77843_MUIC_CONTROL2_ACC_DET_MASK	BIT(CONTROL2_ACC_DET_SHIFT)

#define MAX77843_MUIC_CONTROL2_USBCPINT_MASK	BIT(CONTROL2_USBCPINT_SHIFT)

#define MAX77843_MUIC_CONTROL2_RCPS_MASK	BIT(CONTROL2_RCPS_SHIFT)

#define MAX77843_MUIC_CONTROL3_JIGSET_MASK	(0x3 << CONTROL3_JIGSET_SHIFT)

#define MAX77843_MUIC_CONTROL4_ADCDBSET_MASK	(0x3 << CONTROL4_ADCDBSET_SHIFT)

#define MAX77843_MUIC_CONTROL4_USBAUTO_MASK	BIT(CONTROL4_USBAUTO_SHIFT)

#define MAX77843_MUIC_CONTROL4_FCTAUTO_MASK	BIT(CONTROL4_FCTAUTO_SHIFT)

#define MAX77843_MUIC_CONTROL4_ADCMODE_MASK	(0x3 << CONTROL4_ADCMODE_SHIFT)



/* MAX77843 switch port */

#define COM_OPEN				0

#define COM_USB					1

#define COM_AUDIO				2

#define COM_UART				3

#define COM_AUX_USB				4

#define COM_AUX_UART				5



#define CONTROL1_COM_SW \

	((MAX77843_MUIC_CONTROL1_COMP1SW_MASK | \

	 MAX77843_MUIC_CONTROL1_COMP2SW_MASK))



#define CONTROL1_SW_OPEN \

	((COM_OPEN << CONTROL1_COMP1SW_SHIFT | \

	 COM_OPEN << CONTROL1_COMP2SW_SHIFT))

#define CONTROL1_SW_USB \

	((COM_USB << CONTROL1_COMP1SW_SHIFT | \

	 COM_USB << CONTROL1_COMP2SW_SHIFT))

#define CONTROL1_SW_AUDIO \

	((COM_AUDIO << CONTROL1_COMP1SW_SHIFT | \

	 COM_AUDIO << CONTROL1_COMP2SW_SHIFT))

#define CONTROL1_SW_UART \

	((COM_UART << CONTROL1_COMP1SW_SHIFT | \

	 COM_UART << CONTROL1_COMP2SW_SHIFT))

#define CONTROL1_SW_AUX_USB \

	((COM_AUX_USB << CONTROL1_COMP1SW_SHIFT | \

	 COM_AUX_USB << CONTROL1_COMP2SW_SHIFT))

#define CONTROL1_SW_AUX_UART \

	((COM_AUX_UART << CONTROL1_COMP1SW_SHIFT | \

	 COM_AUX_UART << CONTROL1_COMP2SW_SHIFT))



#define MAX77843_DISABLE			0

#define MAX77843_ENABLE				1



#define CONTROL4_AUTO_DISABLE \

	((MAX77843_DISABLE << CONTROL4_USBAUTO_SHIFT) | \

	(MAX77843_DISABLE << CONTROL4_FCTAUTO_SHIFT))

#define CONTROL4_AUTO_ENABLE \

	((MAX77843_ENABLE << CONTROL4_USBAUTO_SHIFT) | \

	(MAX77843_ENABLE << CONTROL4_FCTAUTO_SHIFT))



/* MAX77843 SAFEOUT LDO Control register */

#define SAFEOUTCTRL_SAFEOUT1_SHIFT		0

#define SAFEOUTCTRL_SAFEOUT2_SHIFT		2

#define SAFEOUTCTRL_ENSAFEOUT1_SHIFT		6

#define SAFEOUTCTRL_ENSAFEOUT2_SHIFT		7



#define MAX77843_REG_SAFEOUTCTRL_ENSAFEOUT1 \

		BIT(SAFEOUTCTRL_ENSAFEOUT1_SHIFT)

#define MAX77843_REG_SAFEOUTCTRL_ENSAFEOUT2 \

		BIT(SAFEOUTCTRL_ENSAFEOUT2_SHIFT)

#define MAX77843_REG_SAFEOUTCTRL_SAFEOUT1_MASK \

		(0x3 << SAFEOUTCTRL_SAFEOUT1_SHIFT)

#define MAX77843_REG_SAFEOUTCTRL_SAFEOUT2_MASK \

		(0x3 << SAFEOUTCTRL_SAFEOUT2_SHIFT)



struct max77843 {

	struct device *dev;



	struct i2c_client *i2c;

	struct i2c_client *i2c_chg;

	struct i2c_client *i2c_fuel;

	struct i2c_client *i2c_muic;



	struct regmap *regmap;

	struct regmap *regmap_chg;

	struct regmap *regmap_fuel;

	struct regmap *regmap_muic;



	struct regmap_irq_chip_data *irq_data;

	struct regmap_irq_chip_data *irq_data_chg;

	struct regmap_irq_chip_data *irq_data_fuel;

	struct regmap_irq_chip_data *irq_data_muic;



	int irq;

};

#endif /* __MAX77843_H__ */