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

Jaewon Kim
2015-02-26T02:59:09Z

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