Re: [PATCH v6 1/5] mfd: max77843: Add max77843 MFD driver core driver

[Jaewon Kim <jaewon02.kim@samsung.com>]

Hi Lee Jones,

On 26/02/2015 01:47, Lee Jones wrote:
> On Tue, 24 Feb 2015, Jaewon Kim wrote:
>
>> This patch adds MAX77843 core/irq driver to support PMIC,
>> MUIC(Micro USB Interface Controller), Charger, Fuel Gauge,
>> LED and Haptic device.
>>
>> Cc: Lee Jones <lee.jones@linaro.org>
>> Signed-off-by: Jaewon Kim <jaewon02.kim@samsung.com>
>> Signed-off-by: Beomho Seo <beomho.seo@samsung.com>
>> ---
>>   drivers/mfd/Kconfig                  |   14 ++
>>   drivers/mfd/Makefile                 |    1 +
>>   drivers/mfd/max77843.c               |  248 +++++++++++++++++++
>>   include/linux/mfd/max77843-private.h |  454 ++++++++++++++++++++++++++++++++++
>>   4 files changed, 717 insertions(+)
>>   create mode 100644 drivers/mfd/max77843.c
>>   create mode 100644 include/linux/mfd/max77843-private.h
>>
>> diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
>> index 38356e3..f2fd5e5 100644
>> --- a/drivers/mfd/Kconfig
>> +++ b/drivers/mfd/Kconfig
>> @@ -455,6 +455,20 @@ 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
>> diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile
>> index 19f3d74..b8ac555 100644
>> --- a/drivers/mfd/Makefile
>> +++ b/drivers/mfd/Makefile
>> @@ -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
>> diff --git a/drivers/mfd/max77843.c b/drivers/mfd/max77843.c
>> new file mode 100644
>> index 0000000..2d8b3cc
>> --- /dev/null
>> +++ b/drivers/mfd/max77843.c
>> @@ -0,0 +1,248 @@
>> +/*
>> + * max77843.c - MFD core driver for the Maxim MAX77843
> Please remove the filename.
Okay, I will remove it.
>
>> + * 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);
> The tabbing in this file is all over the place.  Sometimes you match
> up to the '(', sometimes you don't.  I would prefer it if you matched
> with the opening parenthesis in all cases.

I will unite indentation match up to the '(' in next version.

>
>> +	if (ret < 0) {
>> +		dev_err(&i2c->dev, "Failed to add mfd device\n");
>> +		goto err_pmic_id;
>> +	}
>> +
>> +	device_init_wakeup(max77843->dev, 1);
> device_init_wakeup's second argument is a bool.  1 is not a bool.
> Please use 'true' or 'false'.
>
>> +	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", },
>> +	{ /* sentinel */ },
>> +};
>> +
>> +static const struct i2c_device_id max77843_id[] = {
>> +	{ "max77843", },
>> +	{ /* sentinel */ },
>> +};
>> +MODULE_DEVICE_TABLE(i2c, max77843_id);
> There's really no need for these /* sentinel */ comments.  We all know
> that they're required and what they do now.
>
>> +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);
>> +
>> +	if (device_may_wakeup(dev))
>> +		enable_irq_wake(max77843->irq);
>> +	disable_irq(max77843->irq);
> Don't you want to disable the IRQs first?
Okay, i will disable IRQs first than enable_irq_wake().

>
>> +	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);
>> +
>> +MODULE_AUTHOR("Jaewon Kim <jaewon02.kim@samsung.com>");
>> +MODULE_AUTHOR("Beomho Seo <beomho.seo@samsung.com>");
>> +MODULE_DESCRIPTION("Maxim MAX77843 multi-function core driver");
>> +MODULE_LICENSE("GPL");
> You go to the trouble of providing all of these module helpers, but
> this driver can not be used as a module.

You are right.
We are using MODULE* information habitually if it is not necessary.
I will remove this MODULE information in next version.

>
>> diff --git a/include/linux/mfd/max77843-private.h b/include/linux/mfd/max77843-private.h
>> new file mode 100644
>> index 0000000..c314da9
>> --- /dev/null
>> +++ b/include/linux/mfd/max77843-private.h
>> @@ -0,0 +1,454 @@
>> +/*
>> + * max77843-private.h - Common variables for the Maxim MAX77843 driver
> Please remove the filename.
Okay, I will remove it.
>
>> + * 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__ */

Thanks for detailed review.

Thanks,
Jaewon Kim