On Wed, 08 Jan 2025, Dzmitry Sankouski wrote:
> Add the core MFD driver for max77705 PMIC. Drivers for sub-devices
> will be added in subsequent patches.
>
> Signed-off-by: Dzmitry Sankouski <dsankouski@xxxxxxxxx>
>
> ---
> Changes for v12:
> - remove fuelgauge support (it's moved to simple-mfd-i2c, to reflect
> the fact it's a separate device with it's own i2c client)
> - remove unneeded ending comma
> - remove struct dev_pm_ops because defined by DEFINE_SIMPLE_DEV_PM_OPS
> - Kconfig: select MFD_SIMPLE_MFD_I2C
>
> Changes for v10:
> - never blank line between call and its error check
> - remove unnecessary line wrap
> - revert wrong changes in max77693-common.h
> - move max77705_pm_ops from header to c file
> - fail probe, when fuelgauge is not found in sub device list
> - remove fuelgauge compatible, because with compatible,
> platform matches using compatible, and platform_device
> id_entry is empty. With no compatible, platform matches
> by device id, and id_entry is populated.
> - use dev_err_probe for error handling
>
> Changes for v9:
> - use max17042 as fuel gauge chip
> - initialize max17042 i2c dummy device in mfd device,
> because bus can be used for reading additional values,
> not related to fuelgauge, like chip input current, system
> bus current
> - fix pmic_rev kernel test robot error
>
> Changes for v8:
> - fix comment style C++ -> C
> - remove unused pmic_ver
>
> Changes for v6:
> - add PMIC suffix in Kconfig
> - remove filename from file header
> - reorder headers alphabetically
> - move out fg and chg adresses definitions
> - rename led name and compatible
> - remove overbracketing
> - move charger and fuel gauge i2c initialization
> to their drivers
> - fix max77705_i2c_driver tabbing
> - formatting fixes
> Changes for v5:
> - license change to 2.0
> - use same hardware name in Kconfig and module descriptions
> Changes for v4:
> - rework driver from scratch
> - migrate to regmap_add_irq_chip, remove max77705-irq.c,
> rename max77705-core.c to max77705.c
> - cleanup headers
> - remove debugfs code
> - migrate to use max77693_dev structure
> - remove max77705.h
> ---
> MAINTAINERS | 2 ++
> drivers/mfd/Kconfig | 13 +++++++++
> drivers/mfd/Makefile | 2 ++
> drivers/mfd/max77705.c | 209 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> include/linux/mfd/max77693-common.h | 4 ++-
> include/linux/mfd/max77705-private.h | 178 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> 6 files changed, 407 insertions(+), 1 deletion(-)
>
> diff --git a/MAINTAINERS b/MAINTAINERS
> index 98a77dece2f1..eb5222a833f8 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -14294,6 +14294,7 @@ F: drivers/*/*max77843.c
> F: drivers/*/max14577*.c
> F: drivers/*/max77686*.c
> F: drivers/*/max77693*.c
> +F: drivers/*/max77705*.c
> F: drivers/clk/clk-max77686.c
> F: drivers/extcon/extcon-max14577.c
> F: drivers/extcon/extcon-max77693.c
> @@ -14301,6 +14302,7 @@ F: drivers/rtc/rtc-max77686.c
> F: include/linux/mfd/max14577*.h
> F: include/linux/mfd/max77686*.h
> F: include/linux/mfd/max77693*.h
> +F: include/linux/mfd/max77705*.h
>
> MAXIRADIO FM RADIO RECEIVER DRIVER
> M: Hans Verkuil <hverkuil@xxxxxxxxx>
> diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
> index 6b0682af6e32..5064b1b42f76 100644
> --- a/drivers/mfd/Kconfig
> +++ b/drivers/mfd/Kconfig
> @@ -916,6 +916,19 @@ config MFD_MAX77693
> additional drivers must be enabled in order to use the functionality
> of the device.
>
> +config MFD_MAX77705
> + tristate "Maxim MAX77705 PMIC Support"
> + depends on I2C
> + select MFD_CORE
> + select MFD_SIMPLE_MFD_I2C
> + help
> + Say yes here to add support for Maxim Integrated MAX77705 PMIC.
> + This is a Power Management IC with Charger, safe LDOs, Flash, Haptic
> + and MUIC 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_MAX77714
> tristate "Maxim Semiconductor MAX77714 PMIC Support"
> depends on I2C
> diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile
> index 9220eaf7cf12..c18bb5a57734 100644
> --- a/drivers/mfd/Makefile
> +++ b/drivers/mfd/Makefile
> @@ -168,6 +168,7 @@ obj-$(CONFIG_MFD_MAX77620) += max77620.o
> obj-$(CONFIG_MFD_MAX77650) += max77650.o
> obj-$(CONFIG_MFD_MAX77686) += max77686.o
> obj-$(CONFIG_MFD_MAX77693) += max77693.o
> +obj-$(CONFIG_MFD_MAX77705) += max77705.o
> obj-$(CONFIG_MFD_MAX77714) += max77714.o
> obj-$(CONFIG_MFD_MAX77843) += max77843.o
> obj-$(CONFIG_MFD_MAX8907) += max8907.o
> @@ -233,6 +234,7 @@ obj-$(CONFIG_MFD_RK8XX_I2C) += rk8xx-i2c.o
> obj-$(CONFIG_MFD_RK8XX_SPI) += rk8xx-spi.o
> obj-$(CONFIG_MFD_RN5T618) += rn5t618.o
> obj-$(CONFIG_MFD_SEC_CORE) += sec-core.o sec-irq.o
> +obj-$(CONFIG_MFD_S2DOS05) += s2dos05.o
> obj-$(CONFIG_MFD_SYSCON) += syscon.o
> obj-$(CONFIG_MFD_LM3533) += lm3533-core.o lm3533-ctrlbank.o
> obj-$(CONFIG_MFD_VEXPRESS_SYSREG) += vexpress-sysreg.o
> diff --git a/drivers/mfd/max77705.c b/drivers/mfd/max77705.c
> new file mode 100644
> index 000000000000..18d344620755
> --- /dev/null
> +++ b/drivers/mfd/max77705.c
> @@ -0,0 +1,209 @@
> +// SPDX-License-Identifier: GPL-2.0+
> +//
Only the SPDX should have C++ style comments.
> +// Maxim MAX77705 PMIC core driver
> +//
> +// Copyright (C) 2024 Dzmitry Sankouski <dsankouski@xxxxxxxxx>
Update the date when you resubmit.
> +#include <linux/i2c.h>
> +#include <linux/interrupt.h>
> +#include <linux/mfd/core.h>
> +#include <linux/mfd/max77705-private.h>
> +#include <linux/mfd/max77693-common.h>
> +#include <linux/pm.h>
> +#include <linux/power/max17042_battery.h>
> +#include <linux/module.h>
> +#include <linux/regmap.h>
> +#include <linux/of.h>
> +
> +static struct mfd_cell max77705_devs[] = {
> + {
> + .name = "max77705-rgb",
> + .of_compatible = "maxim,max77705-rgb",
> + },
> + {
> + .name = "max77705-charger",
> + .of_compatible = "maxim,max77705-charger",
> + },
> + {
> + .name = "max77705-haptic",
> + .of_compatible = "maxim,max77705-haptic",
> + },
> +};
Use MFD_CELL_OF()
> +static const struct regmap_range max77705_readable_ranges[] = {
> + regmap_reg_range(MAX77705_PMIC_REG_PMICID1, MAX77705_PMIC_REG_BSTOUT_MASK),
> + regmap_reg_range(MAX77705_PMIC_REG_INTSRC, MAX77705_PMIC_REG_RESERVED_29),
> + regmap_reg_range(MAX77705_PMIC_REG_BOOSTCONTROL1, MAX77705_PMIC_REG_BOOSTCONTROL1),
> + regmap_reg_range(MAX77705_PMIC_REG_MCONFIG, MAX77705_PMIC_REG_MCONFIG2),
> + regmap_reg_range(MAX77705_PMIC_REG_FORCE_EN_MASK, MAX77705_PMIC_REG_FORCE_EN_MASK),
> + regmap_reg_range(MAX77705_PMIC_REG_BOOSTCONTROL1, MAX77705_PMIC_REG_BOOSTCONTROL1),
> + regmap_reg_range(MAX77705_PMIC_REG_BOOSTCONTROL2, MAX77705_PMIC_REG_BOOSTCONTROL2),
> + regmap_reg_range(MAX77705_PMIC_REG_SW_RESET, MAX77705_PMIC_REG_USBC_RESET),
> +};
> +
> +static const struct regmap_range max77705_writable_ranges[] = {
> + regmap_reg_range(MAX77705_PMIC_REG_MAINCTRL1, MAX77705_PMIC_REG_BSTOUT_MASK),
> + regmap_reg_range(MAX77705_PMIC_REG_INTSRC, MAX77705_PMIC_REG_RESERVED_29),
> + regmap_reg_range(MAX77705_PMIC_REG_BOOSTCONTROL1, MAX77705_PMIC_REG_BOOSTCONTROL1),
> + regmap_reg_range(MAX77705_PMIC_REG_MCONFIG, MAX77705_PMIC_REG_MCONFIG2),
> + regmap_reg_range(MAX77705_PMIC_REG_FORCE_EN_MASK, MAX77705_PMIC_REG_FORCE_EN_MASK),
> + regmap_reg_range(MAX77705_PMIC_REG_BOOSTCONTROL1, MAX77705_PMIC_REG_BOOSTCONTROL1),
> + regmap_reg_range(MAX77705_PMIC_REG_BOOSTCONTROL2, MAX77705_PMIC_REG_BOOSTCONTROL2),
> + regmap_reg_range(MAX77705_PMIC_REG_SW_RESET, MAX77705_PMIC_REG_USBC_RESET),
> +
Remove this line.
> +};
> +
> +static const struct regmap_access_table max77705_readable_table = {
> + .yes_ranges = max77705_readable_ranges,
> + .n_yes_ranges = ARRAY_SIZE(max77705_readable_ranges),
> +};
> +
> +static const struct regmap_access_table max77705_writable_table = {
> + .yes_ranges = max77705_writable_ranges,
> + .n_yes_ranges = ARRAY_SIZE(max77705_writable_ranges),
> +};
> +
> +static const struct regmap_config max77705_regmap_config = {
> + .reg_bits = 8,
> + .val_bits = 8,
> + .rd_table = &max77705_readable_table,
> + .wr_table = &max77705_writable_table,
> + .max_register = MAX77705_PMIC_REG_USBC_RESET,
> +};
> +
> +static const struct regmap_config max77705_leds_regmap_config = {
> + .reg_base = MAX77705_RGBLED_REG_BASE,
> + .reg_bits = 8,
> + .val_bits = 8,
> + .max_register = MAX77705_LED_REG_END,
> +};
> +
> +static const struct regmap_irq max77705_topsys_irqs[] = {
> + { .mask = MAX77705_SYSTEM_IRQ_BSTEN_INT, },
> + { .mask = MAX77705_SYSTEM_IRQ_SYSUVLO_INT, },
> + { .mask = MAX77705_SYSTEM_IRQ_SYSOVLO_INT, },
> + { .mask = MAX77705_SYSTEM_IRQ_TSHDN_INT, },
> + { .mask = MAX77705_SYSTEM_IRQ_TM_INT, },
Remove the double spaces.
> +};
> +
> +static const struct regmap_irq_chip max77705_topsys_irq_chip = {
> + .name = "max77705-topsys",
> + .status_base = MAX77705_PMIC_REG_SYSTEM_INT,
> + .mask_base = MAX77705_PMIC_REG_SYSTEM_INT_MASK,
> + .num_regs = 1,
> + .irqs = max77705_topsys_irqs,
> + .num_irqs = ARRAY_SIZE(max77705_topsys_irqs),
Remove the superfluous tab.
> +};
> +
> +static int max77705_i2c_probe(struct i2c_client *i2c)
> +{
> + struct max77693_dev *max77705;
> + struct regmap_irq_chip_data *irq_data;
> + struct irq_domain *domain;
> + int ret;
> + unsigned int pmic_rev_value;
> + enum max77705_hw_rev pmic_rev;
Please reorder these. At the very least, put ret at the bottom.
> +
> + max77705 = devm_kzalloc(&i2c->dev, sizeof(*max77705), GFP_KERNEL);
> + if (!max77705)
> + return -ENOMEM;
> +
> + max77705->i2c = i2c;
> + max77705->dev = &i2c->dev;
> + max77705->irq = i2c->irq;
If you're saving i2c, you can derive the other two.
> + max77705->type = TYPE_MAX77705;
> + i2c_set_clientdata(i2c, max77705);
> +
> + max77705->regmap = devm_regmap_init_i2c(i2c, &max77705_regmap_config);
> + if (IS_ERR(max77705->regmap))
> + return PTR_ERR(max77705->regmap);
> +
> + if (regmap_read(max77705->regmap, MAX77705_PMIC_REG_PMICREV, &pmic_rev_value) < 0)
Take the function all out of the if statement please.
> + return -ENODEV;
> +
> + pmic_rev = pmic_rev_value & MAX77705_REVISION_MASK;
> + if (pmic_rev != MAX77705_PASS3)
> + return dev_err_probe(max77705->dev, -ENODEV,
Place dev into a local variable and save yourself lots of chars each time.
> + "Rev.0x%x is not tested\n", pmic_rev);
Use up to 100-chars to neaten this up.
> +
> + max77705->regmap_leds = devm_regmap_init_i2c(i2c, &max77705_leds_regmap_config);
Why not create this in the LEDs driver?
> + if (IS_ERR(max77705->regmap_leds))
> + return dev_err_probe(max77705->dev, PTR_ERR(max77705->regmap_leds),
> + "Failed to register leds regmap\n");
LEDs
> + ret = devm_regmap_add_irq_chip(max77705->dev, max77705->regmap,
> + max77705->irq,
> + IRQF_ONESHOT | IRQF_SHARED, 0,
> + &max77705_topsys_irq_chip,
> + &irq_data);
> + if (ret)
> + return dev_err_probe(max77705->dev, ret, "Failed to add irq chip\n");
IRQ
> +
> + /* Unmask interrupts from all blocks in interrupt source register */
> + ret = regmap_update_bits(max77705->regmap,
> + MAX77705_PMIC_REG_INTSRC_MASK,
> + MAX77705_SRC_IRQ_ALL, (unsigned int)~MAX77705_SRC_IRQ_ALL);
I don't see this much. Are you sure the cast is required?
> + if (ret < 0)
> + return dev_err_probe(max77705->dev, ret,
> + "Could not unmask interrupts in INTSRC\n");
> +
> + domain = regmap_irq_get_domain(irq_data);
> +
> + ret = devm_mfd_add_devices(max77705->dev, PLATFORM_DEVID_NONE,
> + max77705_devs, ARRAY_SIZE(max77705_devs),
> + NULL, 0, domain);
> + if (ret)
> + return dev_err_probe(max77705->dev, ret, "Failed to register child devices\n");
> +
> + device_init_wakeup(max77705->dev, true);
> +
> + return 0;
> +}
> +
> +static int max77705_suspend(struct device *dev)
> +{
> + struct i2c_client *i2c = to_i2c_client(dev);
> + struct max77693_dev *max77705 = i2c_get_clientdata(i2c);
You're given a `struct device` use that instead of converting.
> +
> + disable_irq(max77705->irq);
> +
> + if (device_may_wakeup(dev))
> + enable_irq_wake(max77705->irq);
> +
> + return 0;
> +}
> +
> +static int max77705_resume(struct device *dev)
> +{
> + struct i2c_client *i2c = to_i2c_client(dev);
> + struct max77693_dev *max77705 = i2c_get_clientdata(i2c);
> +
> + if (device_may_wakeup(dev))
> + disable_irq_wake(max77705->irq);
> +
> + enable_irq(max77705->irq);
> +
> + return 0;
> +}
> +DEFINE_SIMPLE_DEV_PM_OPS(max77705_pm_ops, max77705_suspend, max77705_resume);
> +
> +static const struct of_device_id max77705_i2c_of_match[] = {
> + { .compatible = "maxim,max77705" },
> + { }
> +};
> +MODULE_DEVICE_TABLE(of, max77705_i2c_of_match);
> +
> +static struct i2c_driver max77705_i2c_driver = {
> + .driver = {
> + .name = "max77705",
> + .of_match_table = max77705_i2c_of_match,
> + .pm = pm_sleep_ptr(&max77705_pm_ops),
> + .suppress_bind_attrs = true,
> + },
> + .probe = max77705_i2c_probe
> +};
> +module_i2c_driver(max77705_i2c_driver);
> +
> +MODULE_DESCRIPTION("Maxim MAX77705 PMIC core driver");
> +MODULE_AUTHOR("Dzmitry Sankouski <dsankouski@xxxxxxxxx>");
> +MODULE_LICENSE("GPL");
> diff --git a/include/linux/mfd/max77693-common.h b/include/linux/mfd/max77693-common.h
> index a5bce099f1ed..ec2e1b2dceb8 100644
> --- a/include/linux/mfd/max77693-common.h
> +++ b/include/linux/mfd/max77693-common.h
> @@ -1,6 +1,6 @@
> /* SPDX-License-Identifier: GPL-2.0+ */
> /*
> - * Common data shared between Maxim 77693 and 77843 drivers
> + * Common data shared between Maxim 77693, 77705 and 77843 drivers
> *
> * Copyright (C) 2015 Samsung Electronics
> */
> @@ -11,6 +11,7 @@
> enum max77693_types {
> TYPE_MAX77693_UNKNOWN,
> TYPE_MAX77693,
> + TYPE_MAX77705,
> TYPE_MAX77843,
>
> TYPE_MAX77693_NUM,
> @@ -32,6 +33,7 @@ struct max77693_dev {
> struct regmap *regmap_muic;
> struct regmap *regmap_haptic; /* Only MAX77693 */
> struct regmap *regmap_chg; /* Only MAX77843 */
> + struct regmap *regmap_leds; /* Only MAX77705 */
>
> struct regmap_irq_chip_data *irq_data_led;
> struct regmap_irq_chip_data *irq_data_topsys;
> diff --git a/include/linux/mfd/max77705-private.h b/include/linux/mfd/max77705-private.h
> new file mode 100644
> index 000000000000..e4309d3b6f2a
> --- /dev/null
> +++ b/include/linux/mfd/max77705-private.h
> @@ -0,0 +1,178 @@
> +/* SPDX-License-Identifier: GPL-2.0 */
> +/*
> + * Maxim MAX77705 definitions.
> + *
> + * Copyright (C) 2015 Samsung Electronics, Inc.
> + * Copyright (C) 2024 Dzmitry Sankouski <dsankouski@xxxxxxxxx>
> + */
> +
> +#ifndef __LINUX_MFD_MAX77705_PRIV_H
> +#define __LINUX_MFD_MAX77705_PRIV_H
> +
> +#define MAX77705_SRC_IRQ_CHG BIT(0)
> +#define MAX77705_SRC_IRQ_TOP BIT(1)
> +#define MAX77705_SRC_IRQ_FG BIT(2)
> +#define MAX77705_SRC_IRQ_USBC BIT(3)
> +#define MAX77705_SRC_IRQ_ALL (MAX77705_SRC_IRQ_CHG | MAX77705_SRC_IRQ_TOP | \
> + MAX77705_SRC_IRQ_FG | MAX77705_SRC_IRQ_USBC)
> +
> +/* MAX77705_PMIC_REG_PMICREV register */
> +#define MAX77705_VERSION_SHIFT 3
> +#define MAX77705_REVISION_MASK GENMASK(2, 0)
> +#define MAX77705_VERSION_MASK GENMASK(7, MAX77705_VERSION_SHIFT)
> +/* MAX77705_PMIC_REG_MAINCTRL1 register */
> +#define MAX77705_MAINCTRL1_BIASEN_SHIFT 7
> +#define MAX77705_MAINCTRL1_BIASEN_MASK BIT(MAX77705_MAINCTRL1_BIASEN_SHIFT)
> +/* MAX77705_PMIC_REG_MCONFIG2 (haptics) register */
> +#define MAX77705_CONFIG2_MEN_SHIFT 6
> +#define MAX77705_CONFIG2_MODE_SHIFT 7
> +#define MAX77705_CONFIG2_HTYP_SHIFT 5
> +/* MAX77705_PMIC_REG_SYSTEM_INT_MASK register */
> +#define MAX77705_SYSTEM_IRQ_BSTEN_INT BIT(3)
> +#define MAX77705_SYSTEM_IRQ_SYSUVLO_INT BIT(4)
> +#define MAX77705_SYSTEM_IRQ_SYSOVLO_INT BIT(5)
> +#define MAX77705_SYSTEM_IRQ_TSHDN_INT BIT(6)
> +#define MAX77705_SYSTEM_IRQ_TM_INT BIT(7)
> +
> +enum max77705_hw_rev {
> + MAX77705_PASS1 = 1,
> + MAX77705_PASS2,
> + MAX77705_PASS3
> +};
> +
> +enum max77705_reg {
> + MAX77705_PMIC_REG_PMICID1 = 0x00,
> + MAX77705_PMIC_REG_PMICREV = 0x01,
> + MAX77705_PMIC_REG_MAINCTRL1 = 0x02,
> + MAX77705_PMIC_REG_BSTOUT_MASK = 0x03,
> + MAX77705_PMIC_REG_FORCE_EN_MASK = 0x08,
> + MAX77705_PMIC_REG_MCONFIG = 0x10,
> + MAX77705_PMIC_REG_MCONFIG2 = 0x11,
> + MAX77705_PMIC_REG_INTSRC = 0x22,
> + MAX77705_PMIC_REG_INTSRC_MASK = 0x23,
> + MAX77705_PMIC_REG_SYSTEM_INT = 0x24,
> + MAX77705_PMIC_REG_RESERVED_25 = 0x25,
> + MAX77705_PMIC_REG_SYSTEM_INT_MASK = 0x26,
> + MAX77705_PMIC_REG_RESERVED_27 = 0x27,
> + MAX77705_PMIC_REG_RESERVED_28 = 0x28,
> + MAX77705_PMIC_REG_RESERVED_29 = 0x29,
> + MAX77705_PMIC_REG_BOOSTCONTROL1 = 0x4C,
> + MAX77705_PMIC_REG_BOOSTCONTROL2 = 0x4F,
> + MAX77705_PMIC_REG_SW_RESET = 0x50,
> + MAX77705_PMIC_REG_USBC_RESET = 0x51,
> +
> + MAX77705_PMIC_REG_END
> +};
> +
> +enum max77705_chg_reg {
> + MAX77705_CHG_REG_BASE = 0xB0,
> + MAX77705_CHG_REG_INT = 0,
> + MAX77705_CHG_REG_INT_MASK,
> + MAX77705_CHG_REG_INT_OK,
> + MAX77705_CHG_REG_DETAILS_00,
> + MAX77705_CHG_REG_DETAILS_01,
> + MAX77705_CHG_REG_DETAILS_02,
> + MAX77705_CHG_REG_DTLS_03,
> + MAX77705_CHG_REG_CNFG_00,
> + MAX77705_CHG_REG_CNFG_01,
> + MAX77705_CHG_REG_CNFG_02,
> + MAX77705_CHG_REG_CNFG_03,
> + MAX77705_CHG_REG_CNFG_04,
> + MAX77705_CHG_REG_CNFG_05,
> + MAX77705_CHG_REG_CNFG_06,
> + MAX77705_CHG_REG_CNFG_07,
> + MAX77705_CHG_REG_CNFG_08,
> + MAX77705_CHG_REG_CNFG_09,
> + MAX77705_CHG_REG_CNFG_10,
> + MAX77705_CHG_REG_CNFG_11,
> +
> + MAX77705_CHG_REG_CNFG_12,
> + MAX77705_CHG_REG_CNFG_13,
> + MAX77705_CHG_REG_CNFG_14,
> + MAX77705_CHG_REG_SAFEOUT_CTRL
> +};
> +
> +enum max77705_fuelgauge_reg {
> + STATUS_REG = 0x00,
> + VALRT_THRESHOLD_REG = 0x01,
> + TALRT_THRESHOLD_REG = 0x02,
> + SALRT_THRESHOLD_REG = 0x03,
> + REMCAP_REP_REG = 0x05,
> + SOCREP_REG = 0x06,
> + TEMPERATURE_REG = 0x08,
> + VCELL_REG = 0x09,
> + TIME_TO_EMPTY_REG = 0x11,
> + FULLSOCTHR_REG = 0x13,
> + CURRENT_REG = 0x0A,
> + AVG_CURRENT_REG = 0x0B,
> + SOCMIX_REG = 0x0D,
> + SOCAV_REG = 0x0E,
> + REMCAP_MIX_REG = 0x0F,
> + FULLCAP_REG = 0x10,
> + RFAST_REG = 0x15,
> + AVR_TEMPERATURE_REG = 0x16,
> + CYCLES_REG = 0x17,
> + DESIGNCAP_REG = 0x18,
> + AVR_VCELL_REG = 0x19,
> + TIME_TO_FULL_REG = 0x20,
> + CONFIG_REG = 0x1D,
> + ICHGTERM_REG = 0x1E,
> + REMCAP_AV_REG = 0x1F,
> + FULLCAP_NOM_REG = 0x23,
> + LEARN_CFG_REG = 0x28,
> + FILTER_CFG_REG = 0x29,
> + MISCCFG_REG = 0x2B,
> + QRTABLE20_REG = 0x32,
> + FULLCAP_REP_REG = 0x35,
> + RCOMP_REG = 0x38,
> + VEMPTY_REG = 0x3A,
> + FSTAT_REG = 0x3D,
> + DISCHARGE_THRESHOLD_REG = 0x40,
> + QRTABLE30_REG = 0x42,
> + ISYS_REG = 0x43,
> + DQACC_REG = 0x45,
> + DPACC_REG = 0x46,
> + AVGISYS_REG = 0x4B,
> + QH_REG = 0x4D,
> + VSYS_REG = 0xB1,
> + TALRTTH2_REG = 0xB2,
> + VBYP_REG = 0xB3,
> + CONFIG2_REG = 0xBB,
> + IIN_REG = 0xD0,
> + OCV_REG = 0xEE,
> + VFOCV_REG = 0xFB,
> + VFSOC_REG = 0xFF,
> +
> + MAX77705_FG_END
> +};
> +
> +enum max77705_led_reg {
> + MAX77705_RGBLED_REG_BASE = 0x30,
> + MAX77705_RGBLED_REG_LEDEN = 0,
> + MAX77705_RGBLED_REG_LED0BRT,
> + MAX77705_RGBLED_REG_LED1BRT,
> + MAX77705_RGBLED_REG_LED2BRT,
> + MAX77705_RGBLED_REG_LED3BRT,
> + MAX77705_RGBLED_REG_LEDRMP,
> + MAX77705_RGBLED_REG_LEDBLNK,
> + MAX77705_LED_REG_END
> +};
> +
> +enum max77705_charger_battery_state {
> + MAX77705_BATTERY_NOBAT,
> + MAX77705_BATTERY_PREQUALIFICATION,
> + MAX77705_BATTERY_DEAD,
> + MAX77705_BATTERY_GOOD,
> + MAX77705_BATTERY_LOWVOLTAGE,
> + MAX77705_BATTERY_OVERVOLTAGE,
> + MAX77705_BATTERY_RESERVED
> +};
> +
> +enum max77705_charger_charge_type {
> + MAX77705_CHARGER_CONSTANT_CURRENT = 1,
> + MAX77705_CHARGER_CONSTANT_VOLTAGE,
> + MAX77705_CHARGER_END_OF_CHARGE,
> + MAX77705_CHARGER_DONE
> +};
> +
> +#endif /* __LINUX_MFD_MAX77705_PRIV_H */
>
> --
> 2.39.5
>
--
Lee Jones [李琼斯]
