Re: [PATCH v2 1/3] mfd: lp87565: Add lp87565 PMIC support

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On Tuesday 30 May 2017 02:53 PM, Lee Jones wrote:
> On Tue, 23 May 2017, Keerthy wrote:
> 
>> The LP87565 chip is a power management IC for Portable Navigation Systems
>> and Tablet Computing devices. It contains the following components:
>>
>>         - Configurable Bucks(Single and multi-phase).
>>         - Configurable General Purpose Output Signals (GPO).
>>
>> The LP87565-Q1 variant device uses two 2-phase outputs configuration,
>> Buck0 is master for Buck0/1 output and Buck2 is master for Buck2/3
>> output.
>>
>> Signed-off-by: Keerthy <j-keerthy@xxxxxx>
>> ---
>>
>> Changes in v2:
>>
>>   * Fixed a bunch of whitespace errors.
>>   * Changed the License to short form.
>>   * Added the generic compatible lp87565
>>   * Removed i2c_device_id table.
>>   * Introduced probe_new function in place of probe.
>>
>>  Documentation/devicetree/bindings/mfd/lp87565.txt |  45 ++++
>>  drivers/mfd/Kconfig                               |  14 ++
>>  drivers/mfd/Makefile                              |   1 +
>>  drivers/mfd/lp87565.c                             |  95 ++++++++
>>  include/linux/mfd/lp87565.h                       | 271 ++++++++++++++++++++++
>>  5 files changed, 426 insertions(+)
>>  create mode 100644 Documentation/devicetree/bindings/mfd/lp87565.txt
>>  create mode 100644 drivers/mfd/lp87565.c
>>  create mode 100644 include/linux/mfd/lp87565.h
>>
>> diff --git a/Documentation/devicetree/bindings/mfd/lp87565.txt b/Documentation/devicetree/bindings/mfd/lp87565.txt
>> new file mode 100644
>> index 0000000..f63d568
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/mfd/lp87565.txt
>> @@ -0,0 +1,45 @@
>> +TI LP87565 PMIC MFD driver
>> +
>> +Required properties:
>> +  - compatible:	"ti,lp87565", "ti,lp87565-q1"
>> +  - reg:		I2C slave address.
>> +  - gpio-controller:	Marks the device node as a GPIO Controller.
>> +  - #gpio-cells:	Should be two.  The first cell is the pin number and
>> +			the second cell is used to specify flags.
>> +			See ../gpio/gpio.txt for more information.
>> +  - xxx-in-supply:	Phandle to parent supply node of each regulator
>> +			populated under regulators node. xxx should match
>> +			the supply_name populated in driver.
>> +  - regulators:	List of child nodes that specify the regulator
>> +			initialization data.
>> +Example:
>> +
>> +lp87565_pmic: lp87565@60 {
>> +	compatible = "ti,lp87565-q1";
>> +	reg = <0x60>;
>> +	gpio-controller;
>> +	#gpio-cells = <2>;
>> +
>> +	buck10-in-supply = <&vsys_3v3>;
>> +	buck23-in-supply = <&vsys_3v3>;
>> +
>> +	regulators: regulators {
>> +		buck10_reg: buck10 {
>> +			/* VDD_MPU */
>> +			regulator-name = "buck10";
>> +			regulator-min-microvolt = <850000>;
>> +			regulator-max-microvolt = <1250000>;
>> +			regulator-always-on;
>> +			regulator-boot-on;
>> +		};
>> +
>> +		buck23_reg: buck23 {
>> +			/* VDD_GPU */
>> +			regulator-name = "buck23";
>> +			regulator-min-microvolt = <850000>;
>> +			regulator-max-microvolt = <1250000>;
>> +			regulator-boot-on;
>> +			regulator-always-on;
>> +		};
>> +	};
>> +};
>> diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
>> index 3eb5c93..5e884f3 100644
>> --- a/drivers/mfd/Kconfig
>> +++ b/drivers/mfd/Kconfig
>> @@ -1325,6 +1325,20 @@ config MFD_TI_LP873X
>>  	  This driver can also be built as a module. If so, the module
>>  	  will be called lp873x.
>>  
>> +config MFD_TI_LP87565
>> +	tristate "TI LP87565 Power Management IC"
>> +	depends on I2C && OF
>> +	select MFD_CORE
>> +	select REGMAP_I2C
>> +	help
>> +	  If you say yes here then you get support for the LP87565 series of
>> +	  Power Management Integrated Circuits (PMIC).
>> +	  These include voltage regulators, thermal protection, configurable
>> +	  General Purpose Outputs (GPO) that are used in portable devices.
>> +
>> +	  This driver can also be built as a module. If so, the module
>> +	  will be called lp87565.
>> +
>>  config MFD_TPS65218
>>  	tristate "TI TPS65218 Power Management chips"
>>  	depends on I2C
>> diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile
>> index c16bf1e..7edbe1b 100644
>> --- a/drivers/mfd/Makefile
>> +++ b/drivers/mfd/Makefile
>> @@ -25,6 +25,7 @@ obj-$(CONFIG_HTC_PASIC3)	+= htc-pasic3.o
>>  obj-$(CONFIG_HTC_I2CPLD)	+= htc-i2cpld.o
>>  
>>  obj-$(CONFIG_MFD_TI_LP873X)	+= lp873x.o
>> +obj-$(CONFIG_MFD_TI_LP87565)	+= lp87565.o
>>  
>>  obj-$(CONFIG_MFD_DAVINCI_VOICECODEC)	+= davinci_voicecodec.o
>>  obj-$(CONFIG_MFD_DM355EVM_MSP)	+= dm355evm_msp.o
>> diff --git a/drivers/mfd/lp87565.c b/drivers/mfd/lp87565.c
>> new file mode 100644
>> index 0000000..7df7070
>> --- /dev/null
>> +++ b/drivers/mfd/lp87565.c
>> @@ -0,0 +1,95 @@
>> +/*
>> + * Copyright (C) 2017 Texas Instruments Incorporated - http://www.ti.com/
>> + *
>> + * Author: Keerthy <j-keerthy@xxxxxx>
>> + *
>> + *  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/interrupt.h>
>> +#include <linux/mfd/core.h>
>> +#include <linux/module.h>
>> +#include <linux/of_device.h>
>> +#include <linux/regmap.h>
>> +
>> +#include <linux/mfd/lp87565.h>
>> +
>> +static const struct regmap_config lp87565_regmap_config = {
>> +	.reg_bits = 8,
>> +	.val_bits = 8,
>> +	.max_register = LP87565_REG_MAX,
>> +};
>> +
>> +static const struct mfd_cell lp87565_cells[] = {
>> +	{ .name = "lp87565-q1-regulator", },
>> +	{ .name = "lp87565-q1-gpio", },
>> +};
>> +
>> +static const struct of_device_id of_lp87565_match_table[] = {
>> +	{
>> +		.compatible = "ti,lp87565",
>> +	},
> 
> Please place this one a single line..

Okay.

> 
>> +	{
>> +		.compatible = "ti,lp87565-q1",
>> +		.data = (void *)LP87565_DEVICE_TYPE_LP87565_Q1,
>> +	},
>> +	{}
>> +};
>> +MODULE_DEVICE_TABLE(of, of_lp87565_match_table);
>> +
>> +static int lp87565_probe(struct i2c_client *client)
>> +{
>> +	struct lp87565 *lp87565;
>> +	const struct of_device_id *of_id;
>> +	int ret;
>> +	unsigned int otpid;
>> +
>> +	lp87565 = devm_kzalloc(&client->dev, sizeof(*lp87565), GFP_KERNEL);
>> +	if (!lp87565)
>> +		return -ENOMEM;
>> +
>> +	lp87565->dev = &client->dev;
>> +
>> +	lp87565->regmap = devm_regmap_init_i2c(client, &lp87565_regmap_config);
>> +	if (IS_ERR(lp87565->regmap)) {
>> +		ret = PTR_ERR(lp87565->regmap);
>> +		dev_err(lp87565->dev,
>> +			"Failed to initialize register map: %d\n", ret);
>> +		return ret;
>> +	}
>> +
>> +	ret = regmap_read(lp87565->regmap, LP87565_REG_OTP_REV, &otpid);
>> +	if (ret) {
>> +		dev_err(lp87565->dev, "Failed to read OTP ID\n");
>> +		return ret;
>> +	}
>> +
>> +	lp87565->rev = otpid & LP87565_OTP_REV_OTP_ID;
>> +
>> +	of_id = of_match_device(of_lp87565_match_table, &client->dev);
>> +	if (of_id)
>> +		lp87565->dev_type = (enum lp87565_device_type)of_id->data;
> 
> So you can interigate the device for a revision number, but not a
> device type ID, is that correct?

I hope you meant integrate? Revision of a particular type. Then device
type can mean something like lp87565-q1 which is modeling 4 individual
regulators as 2 dual phase regulators. There can be other devices which
has 4 single phase regulators. I have no document which talks about that
yet but possible.

> 
>> +	i2c_set_clientdata(client, lp87565);
>> +
>> +	ret = mfd_add_devices(lp87565->dev, PLATFORM_DEVID_AUTO, lp87565_cells,
>> +			      ARRAY_SIZE(lp87565_cells), NULL, 0, NULL);
>> +
>> +	return ret;
>> +}
>> +
>> +static struct i2c_driver lp87565_driver = {
>> +	.driver	= {
>> +		.name	= "lp87565",
>> +		.of_match_table = of_lp87565_match_table,
>> +	},
>> +	.probe_new		= lp87565_probe,
>> +};
> 
> What's with the random padding?
> 
> Just use a single space before and after the '='.

Oops okay i will fix that.

> 
>> +module_i2c_driver(lp87565_driver);
>> +
>> +MODULE_AUTHOR("J Keerthy <j-keerthy@xxxxxx>");
>> +MODULE_DESCRIPTION("lp87565 chip family Multi-Function Device driver");
>> +MODULE_LICENSE("GPL v2");
> 
> This does not match the header comment.

It should be v2 only. I will correct the header comment.

> 
>> diff --git a/include/linux/mfd/lp87565.h b/include/linux/mfd/lp87565.h
>> new file mode 100644
>> index 0000000..b298c62
>> --- /dev/null
>> +++ b/include/linux/mfd/lp87565.h
>> @@ -0,0 +1,271 @@
>> +/*
>> + * Functions to access LP87565 power management chip.
>> + *
>> + * Copyright (C) 2017 Texas Instruments Incorporated - http://www.ti.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 __LINUX_MFD_LP87565_H
>> +#define __LINUX_MFD_LP87565_H
>> +
>> +#include <linux/i2c.h>
>> +#include <linux/regulator/driver.h>
>> +#include <linux/regulator/machine.h>
>> +
>> +enum lp87565_device_type {
>> +	LP87565_DEVICE_TYPE_UNKNOWN	= 0,
>> +	LP87565_DEVICE_TYPE_LP87565_Q1,
>> +};
>> +
>> +/* All register addresses */
>> +#define LP87565_REG_DEV_REV		0X00
>> +#define LP87565_REG_OTP_REV		0X01
>> +#define LP87565_REG_BUCK0_CTRL_1		0X02
>> +#define LP87565_REG_BUCK0_CTRL_2		0X03
>> +
>> +#define LP87565_REG_BUCK1_CTRL_1		0X04
>> +#define LP87565_REG_BUCK1_CTRL_2		0X05
>> +
>> +#define LP87565_REG_BUCK2_CTRL_1		0X06
>> +#define LP87565_REG_BUCK2_CTRL_2		0X07
>> +
>> +#define LP87565_REG_BUCK3_CTRL_1		0X08
>> +#define LP87565_REG_BUCK3_CTRL_2		0X09
>> +
>> +#define LP87565_REG_BUCK0_VOUT			0X0A
>> +#define LP87565_REG_BUCK0_FLOOR_VOUT		0X0B
>> +
>> +#define LP87565_REG_BUCK1_VOUT			0X0C
>> +#define LP87565_REG_BUCK1_FLOOR_VOUT		0X0D
>> +
>> +#define LP87565_REG_BUCK2_VOUT			0X0E
>> +#define LP87565_REG_BUCK2_FLOOR_VOUT		0X0F
>> +
>> +#define LP87565_REG_BUCK3_VOUT			0X10
>> +#define LP87565_REG_BUCK3_FLOOR_VOUT		0X11
>> +
>> +#define LP87565_REG_BUCK0_DELAY			0X12
>> +#define LP87565_REG_BUCK1_DELAY			0X13
>> +
>> +#define LP87565_REG_BUCK2_DELAY			0X14
>> +#define LP87565_REG_BUCK3_DELAY			0X15
>> +
>> +#define LP87565_REG_GPO2_DELAY			0X16
>> +#define LP87565_REG_GPO3_DELAY			0X17
>> +#define LP87565_REG_RESET			0X18
>> +#define LP87565_REG_CONFIG			0X19
>> +
>> +#define LP87565_REG_INT_TOP_1			0X1A
>> +#define LP87565_REG_INT_TOP_2			0X1B
>> +
>> +#define LP87565_REG_INT_BUCK_0_1		0X1C
>> +#define LP87565_REG_INT_BUCK_2_3		0X1D
>> +#define LP87565_REG_TOP_STAT			0X1E
>> +#define LP87565_REG_BUCK_0_1_STAT		0X1F
>> +#define LP87565_REG_BUCK_2_3_STAT		0x20
>> +
>> +#define LP87565_REG_TOP_MASK_1			0x21
>> +#define LP87565_REG_TOP_MASK_2			0x22
>> +
>> +#define LP87565_REG_BUCK_0_1_MASK		0x23
>> +#define LP87565_REG_BUCK_2_3_MASK		0x24
>> +#define LP87565_REG_SEL_I_LOAD			0x25
>> +
>> +#define LP87565_REG_I_LOAD_2			0x26
>> +#define LP87565_REG_I_LOAD_1			0x27
>> +
>> +#define LP87565_REG_PGOOD_CTRL1			0x28
>> +#define LP87565_REG_PGOOD_CTRL2			0x29
>> +#define LP87565_REG_PGOOD_FLT			0x2A
>> +#define LP87565_REG_PLL_CTRL			0x2B
>> +#define LP87565_REG_PIN_FUNCTION		0x2C
>> +#define LP87565_REG_GPIO_CONFIG			0x2D
>> +#define LP87565_REG_GPIO_IN			0x2E
>> +#define LP87565_REG_GPIO_OUT			0x2F
>> +
>> +#define LP87565_REG_MAX			LP87565_REG_GPIO_OUT
>> +
>> +/* Register field definitions */
>> +#define LP87565_DEV_REV_DEV_ID			0xC0
>> +#define LP87565_DEV_REV_ALL_LAYER		0x30
>> +#define LP87565_DEV_REV_METAL_LAYER		0x0F
>> +
>> +#define LP87565_OTP_REV_OTP_ID			0xFF
>> +
>> +#define LP87565_BUCK_CTRL_1_EN			BIT(7)
>> +#define LP87565_BUCK_CTRL_1_EN_PIN_CTRL		BIT(6)
>> +#define LP87565_BUCK_CTRL_1_PIN_SELECT_EN	0x30
>> +
>> +#define LP87565_BUCK_CTRL_1_ROOF_FLOOR_EN	BIT(3)
>> +#define LP87565_BUCK_CTRL_1_RDIS_EN		BIT(2)
>> +#define LP87565_BUCK_CTRL_1_FPWM		BIT(1)
>> +/* Bit0 is reserved for BUCK1 and BUCK3 and valid only for BUCK0 and BUCK2 */
>> +#define LP87565_BUCK_CTRL_1_FPWM_MP_0_2		BIT(0)
>> +
>> +#define LP87565_BUCK_CTRL_2_ILIM		0x38
>> +#define LP87565_BUCK_CTRL_2_SLEW_RATE		0x07
>> +
>> +#define LP87565_BUCK_VSET			0xFF
>> +#define LP87565_BUCK_FLOOR_VSET			0xFF
>> +
>> +#define LP87565_BUCK_SHUTDOWN_DELAY		0xF0
>> +#define LP87565_BUCK_STARTUP_DELAY		0x0F
>> +
>> +#define LP87565_GPIO_SHUTDOWN_DELAY		0xF0
>> +#define LP87565_GPIO_STARTUP_DELAY		0x0F
>> +
>> +#define LP87565_RESET_SW_RESET			BIT(0)
>> +
>> +#define LP87565_CONFIG_DOUBLE_DELAY		BIT(7)
>> +#define LP87565_CONFIG_CLKIN_PD			BIT(6)
>> +#define LP87565_CONFIG_EN4_PD			BIT(5)
>> +#define LP87565_CONFIG_EN3_PD			BIT(4)
>> +#define LP87565_CONFIG_TDIE_WARN_LEVEL		BIT(3)
>> +#define LP87565_CONFIG_EN2_PD			BIT(2)
>> +#define LP87565_CONFIG_EN1_PD			BIT(1)
>> +
>> +#define LP87565_INT_GPIO			BIT(7)
>> +#define LP87565_INT_BUCK23			BIT(6)
>> +#define LP87565_INT_BUCK01			BIT(5)
>> +#define LP87565_NO_SYNC_CLK			BIT(4)
>> +#define LP87565_TDIE_SD				BIT(3)
>> +#define LP87565_TDIE_WARN			BIT(2)
>> +#define LP87565_INT_OVP				BIT(1)
>> +#define LP87565_I_LOAD_READY			BIT(0)
>> +
>> +#define LP87565_INT_TOP2_RESET_REG		BIT(0)
>> +
>> +#define LP87565_BUCK1_PG_INT			BIT(6)
>> +#define LP87565_BUCK1_SC_INT			BIT(5)
>> +#define LP87565_BUCK1_ILIM_INT			BIT(4)
>> +#define LP87565_BUCK0_PG_INT			BIT(2)
>> +#define LP87565_BUCK0_SC_INT			BIT(1)
>> +#define LP87565_BUCK0_ILIM_INT			BIT(0)
>> +
>> +#define LP87565_BUCK3_PG_INT			BIT(6)
>> +#define LP87565_BUCK3_SC_INT			BIT(5)
>> +#define LP87565_BUCK3_ILIM_INT			BIT(4)
>> +#define LP87565_BUCK2_PG_INT			BIT(2)
>> +#define LP87565_BUCK2_SC_INT			BIT(1)
>> +#define LP87565_BUCK2_ILIM_INT			BIT(0)
>> +
>> +#define LP87565_SYNC_CLK_STAT			BIT(4)
>> +#define LP87565_TDIE_SD_STAT			BIT(3)
>> +#define LP87565_TDIE_WARN_STAT			BIT(2)
>> +#define LP87565_OVP_STAT			BIT(1)
>> +
>> +#define LP87565_BUCK1_STAT			BIT(7)
>> +#define LP87565_BUCK1_PG_STAT			BIT(6)
>> +#define LP87565_BUCK1_ILIM_STAT			BIT(4)
>> +#define LP87565_BUCK0_STAT			BIT(3)
>> +#define LP87565_BUCK0_PG_STAT			BIT(2)
>> +#define LP87565_BUCK0_ILIM_STAT			BIT(0)
>> +
>> +#define LP87565_BUCK3_STAT			BIT(7)
>> +#define LP87565_BUCK3_PG_STAT			BIT(6)
>> +#define LP87565_BUCK3_ILIM_STAT			BIT(4)
>> +#define LP87565_BUCK2_STAT			BIT(3)
>> +#define LP87565_BUCK2_PG_STAT			BIT(2)
>> +#define LP87565_BUCK2_ILIM_STAT			BIT(0)
>> +
>> +#define LPL87565_GPIO_MASK			BIT(7)
>> +#define LPL87565_SYNC_CLK_MASK			BIT(4)
>> +#define LPL87565_TDIE_WARN_MASK			BIT(2)
>> +#define LPL87565_I_LOAD_READY_MASK		BIT(0)
>> +
>> +#define LPL87565_RESET_REG_MASK			BIT(0)
>> +
>> +#define LPL87565_BUCK1_PG_MASK			BIT(6)
>> +#define LPL87565_BUCK1_ILIM_MASK		BIT(4)
>> +#define LPL87565_BUCK0_PG_MASK			BIT(2)
>> +#define LPL87565_BUCK0_ILIM_MASK		BIT(0)
>> +
>> +#define LPL87565_BUCK3_PG_MASK			BIT(6)
>> +#define LPL87565_BUCK3_ILIM_MASK		BIT(4)
>> +#define LPL87565_BUCK2_PG_MASK			BIT(2)
>> +#define LPL87565_BUCK2_ILIM_MASK		BIT(0)
>> +
>> +#define LP87565_LOAD_CURRENT_BUCK_SELECT	0x3
>> +
>> +#define LP87565_I_LOAD2_BUCK_LOAD_CURRENT	0x3
>> +#define LP87565_I_LOAD1_BUCK_LOAD_CURRENT	0xFF
>> +
>> +#define LP87565_PG3_SEL				0xC0
>> +#define LP87565_PG2_SEL				0x30
>> +#define LP87565_PG1_SEL				0x0C
>> +#define LP87565_PG0_SEL				0x03
>> +
>> +#define LP87565_HALF_DAY			BIT(7)
>> +#define LP87565_EN_PG0_NINT			BIT(6)
>> +#define LP87565_PGOOD_SET_DELAY			BIT(5)
>> +#define LP87565_EN_PGFLT_STAT			BIT(4)
>> +#define LP87565_PGOOD_WINDOW			BIT(2)
>> +#define LP87565_PGOOD_OD			BIT(1)
>> +#define LP87565_PGOOD_POL			BIT(0)
>> +
>> +#define LP87565_PG3_FLT				BIT(3)
>> +#define LP87565_PG2_FLT				BIT(2)
>> +#define LP87565_PG1_FLT				BIT(1)
>> +#define LP87565_PG0_FLT				BIT(0)
>> +
>> +#define LP87565_PLL_MODE			0xC0
>> +#define LP87565_EXT_CLK_FREQ			0x1F
>> +
>> +#define LP87565_EN_SPREAD_SPEC			BIT(7)
>> +#define LP87565_EN_PIN_CTRL_GPIO3		BIT(6)
>> +#define LP87565_EN_PIN_SELECT_GPIO3		BIT(5)
>> +#define LP87565_EN_PIN_CTRL_GPIO2		BIT(4)
>> +#define LP87565_EN_PIN_SELECT_GPIO2		BIT(3)
>> +#define LP87565_GPIO3_SEL			BIT(2)
>> +#define LP87565_GPIO2_SEL			BIT(1)
>> +#define LP87565_GPIO1_SEL			BIT(0)
>> +
>> +#define LP87565_GOIO3_OD			BIT(6)
>> +#define LP87565_GOIO2_OD			BIT(5)
>> +#define LP87565_GOIO1_OD			BIT(4)
>> +#define LP87565_GOIO3_DIR			BIT(2)
>> +#define LP87565_GOIO2_DIR			BIT(1)
>> +#define LP87565_GOIO1_DIR			BIT(0)
>> +
>> +#define LP87565_GOIO3_IN			BIT(2)
>> +#define LP87565_GOIO2_IN			BIT(1)
>> +#define LP87565_GOIO1_IN			BIT(0)
>> +
>> +#define LP87565_GOIO3_OUT			BIT(2)
>> +#define LP87565_GOIO2_OUT			BIT(1)
>> +#define LP87565_GOIO1_OUT			BIT(0)
>> +
>> +/* Number of step-down converters available */
>> +#define LP87565_NUM_BUCK		6
>> +
>> +enum LP87565_regulator_id {
>> +	/* BUCK's */
>> +	LP87565_BUCK_0,
>> +	LP87565_BUCK_1,
>> +	LP87565_BUCK_2,
>> +	LP87565_BUCK_3,
>> +	LP87565_BUCK_10,
>> +	LP87565_BUCK_23,
>> +};
>> +
>> +/**
>> + * struct LP87565 - state holder for the LP87565 driver
>> + * @dev: struct device pointer for MFD device
>> + * @rev: revision of the LP87565
>> + * @dev_type: The device type for example lp87565-q1
>> + * @lock: lock guarding the data structure
>> + * @regmap: register map of the LP87565 PMIC
>> + *
>> + * Device data may be used to access the LP87565 chip
>> + */
>> +struct lp87565 {
>> +	struct device *dev;
>> +	u8 rev;
>> +	u8 dev_type;
>> +	struct regmap *regmap;
>> +};
>> +#endif /* __LINUX_MFD_LP87565_H */
> 
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