Re: [PATCH v8 2/5] MFD: RK808: Add new mfd driver for RK808

[Lee Jones <lee.jones-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>]

On Wed, 03 Sep 2014, Chris Zhong wrote:

> The RK808 chip is a power management IC for multimedia and handheld
> devices. It contains the following components:
> 
> - Regulators
> - RTC
> - Clkout
> 
> The RK808 core driver is registered as a platform driver and provides
> communication through I2C with the host device for the different
> components.
> 
> Signed-off-by: Chris Zhong <zyw-TNX95d0MmH7DzftRWevZcw@public.gmane.org>
> Signed-off-by: Zhang Qing <zhangqing-TNX95d0MmH7DzftRWevZcw@public.gmane.org>
> 
> Acked-by: Lee Jones <lee.jones-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
> Tested-by: Heiko <heiko-4mtYJXux2i+zQB+pC5nmwQ@public.gmane.org>

Applied, thanks.

> ---
> 
> Changes in v8:
> Adviced by Lee Jones
> - add Author
> - remove if(np) and of_match_ptr() since depend on OF
> - coding style
> 
> Changes in v7:
> Adviced by Lee Jones
> - coding style
> - remove rk808_pre_init function
> Adviced by Doug
> - add "&& OF" to the dependencies
> - add .init_ack_masked = true in rk808_irq_chip
> 
> Changes in v6:
> Adviced by Lee Jones in v2
> - rk808_i2c_client instead of g_rk808
> - remove pdata form struct rk808
> 
> Changes in v5: None
> Changes in v4:
> Adviced by Lee Jones in v2
> - modify the description in Kconfig
> - remove some unnecessary header files
> - remove dev from struct rk808
> - use enum for define RK808_ID...
> 
> Changes in v3:
> - fix compile err
> 
> Changes in v2:
> Adviced by Mark Browm:
> - use defines for register setting value
> - remove rtc alarm disable in shutdown
> - remove while(1) in shutdown
> - remove read 0x2f in probe
> 
>  drivers/mfd/Kconfig       |   13 +++
>  drivers/mfd/Makefile      |    1 +
>  drivers/mfd/rk808.c       |  245 +++++++++++++++++++++++++++++++++++++++++++++
>  include/linux/mfd/rk808.h |  196 ++++++++++++++++++++++++++++++++++++
>  4 files changed, 455 insertions(+)
>  create mode 100644 drivers/mfd/rk808.c
>  create mode 100644 include/linux/mfd/rk808.h
> 
> diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
> index de5abf2..4097793 100644
> --- a/drivers/mfd/Kconfig
> +++ b/drivers/mfd/Kconfig
> @@ -582,6 +582,19 @@ config MFD_RC5T583
>  	  Additional drivers must be enabled in order to use the
>  	  different functionality of the device.
>  
> +config MFD_RK808
> +	tristate "Rockchip RK808 Power Management chip"
> +	depends on I2C && OF
> +	select MFD_CORE
> +	select REGMAP_I2C
> +	select REGMAP_IRQ
> +	help
> +	  If you say yes here you get support for the RK808
> +	  Power Management chips.
> +	  This driver provides common support for accessing the device
> +	  through I2C interface. The device supports multiple sub-devices
> +	  including interrupts, RTC, LDO & DCDC regulators, and onkey.
> +
>  config MFD_SEC_CORE
>  	bool "SAMSUNG Electronics PMIC Series Support"
>  	depends on I2C=y
> diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile
> index f001487..dbc28e7 100644
> --- a/drivers/mfd/Makefile
> +++ b/drivers/mfd/Makefile
> @@ -160,6 +160,7 @@ obj-$(CONFIG_MFD_INTEL_MSIC)	+= intel_msic.o
>  obj-$(CONFIG_MFD_PALMAS)	+= palmas.o
>  obj-$(CONFIG_MFD_VIPERBOARD)    += viperboard.o
>  obj-$(CONFIG_MFD_RC5T583)	+= rc5t583.o rc5t583-irq.o
> +obj-$(CONFIG_MFD_RK808)		+= rk808.o
>  obj-$(CONFIG_MFD_SEC_CORE)	+= sec-core.o sec-irq.o
>  obj-$(CONFIG_MFD_SYSCON)	+= syscon.o
>  obj-$(CONFIG_MFD_LM3533)	+= lm3533-core.o lm3533-ctrlbank.o
> diff --git a/drivers/mfd/rk808.c b/drivers/mfd/rk808.c
> new file mode 100644
> index 0000000..0324422
> --- /dev/null
> +++ b/drivers/mfd/rk808.c
> @@ -0,0 +1,245 @@
> +/*
> + * MFD core driver for Rockchip RK808
> + *
> + * Copyright (c) 2014, Fuzhou Rockchip Electronics Co., Ltd
> + *
> + * Author: Chris Zhong <zyw-TNX95d0MmH7DzftRWevZcw@public.gmane.org>
> + * Author: Zhang Qing <zhangqing-TNX95d0MmH7DzftRWevZcw@public.gmane.org>
> + *
> + * This program is free software; you can redistribute it and/or modify it
> + * under the terms and conditions of the GNU General Public License,
> + * version 2, as published by the Free Software Foundation.
> + *
> + * This program is distributed in the hope it will be useful, but WITHOUT
> + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
> + * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
> + * more details.
> + */
> +
> +#include <linux/i2c.h>
> +#include <linux/interrupt.h>
> +#include <linux/mfd/rk808.h>
> +#include <linux/mfd/core.h>
> +#include <linux/module.h>
> +#include <linux/regmap.h>
> +
> +struct rk808_reg_data {
> +	int addr;
> +	int mask;
> +	int value;
> +};
> +
> +static const struct regmap_config rk808_regmap_config = {
> +	.reg_bits = 8,
> +	.val_bits = 8,
> +	.max_register = RK808_IO_POL_REG,
> +};
> +
> +static struct resource rtc_resources[] = {
> +	{
> +		.start  = RK808_IRQ_RTC_ALARM,
> +		.end    = RK808_IRQ_RTC_ALARM,
> +		.flags  = IORESOURCE_IRQ,
> +	}
> +};
> +
> +static const struct mfd_cell rk808s[] = {
> +	{ .name = "rk808-clkout", },
> +	{ .name = "rk808-regulator", },
> +	{
> +		.name = "rk808-rtc",
> +		.num_resources = ARRAY_SIZE(rtc_resources),
> +		.resources = &rtc_resources[0],
> +	},
> +};
> +
> +static const struct rk808_reg_data pre_init_reg[] = {
> +	{ RK808_BUCK3_CONFIG_REG, BUCK_ILMIN_MASK,  BUCK_ILMIN_150MA },
> +	{ RK808_BUCK4_CONFIG_REG, BUCK_ILMIN_MASK,  BUCK_ILMIN_200MA },
> +	{ RK808_BOOST_CONFIG_REG, BOOST_ILMIN_MASK, BOOST_ILMIN_100MA },
> +	{ RK808_BUCK1_CONFIG_REG, BUCK1_RATE_MASK,  BUCK_ILMIN_200MA },
> +	{ RK808_BUCK2_CONFIG_REG, BUCK2_RATE_MASK,  BUCK_ILMIN_200MA },
> +	{ RK808_VB_MON_REG,       MASK_ALL,         VB_LO_ACT |
> +						    VB_LO_SEL_3500MV },
> +};
> +
> +static const struct regmap_irq rk808_irqs[] = {
> +	/* INT_STS */
> +	[RK808_IRQ_VOUT_LO] = {
> +		.mask = RK808_IRQ_VOUT_LO_MSK,
> +		.reg_offset = 0,
> +	},
> +	[RK808_IRQ_VB_LO] = {
> +		.mask = RK808_IRQ_VB_LO_MSK,
> +		.reg_offset = 0,
> +	},
> +	[RK808_IRQ_PWRON] = {
> +		.mask = RK808_IRQ_PWRON_MSK,
> +		.reg_offset = 0,
> +	},
> +	[RK808_IRQ_PWRON_LP] = {
> +		.mask = RK808_IRQ_PWRON_LP_MSK,
> +		.reg_offset = 0,
> +	},
> +	[RK808_IRQ_HOTDIE] = {
> +		.mask = RK808_IRQ_HOTDIE_MSK,
> +		.reg_offset = 0,
> +	},
> +	[RK808_IRQ_RTC_ALARM] = {
> +		.mask = RK808_IRQ_RTC_ALARM_MSK,
> +		.reg_offset = 0,
> +	},
> +	[RK808_IRQ_RTC_PERIOD] = {
> +		.mask = RK808_IRQ_RTC_PERIOD_MSK,
> +		.reg_offset = 0,
> +	},
> +
> +	/* INT_STS2 */
> +	[RK808_IRQ_PLUG_IN_INT] = {
> +		.mask = RK808_IRQ_PLUG_IN_INT_MSK,
> +		.reg_offset = 1,
> +	},
> +	[RK808_IRQ_PLUG_OUT_INT] = {
> +		.mask = RK808_IRQ_PLUG_OUT_INT_MSK,
> +		.reg_offset = 1,
> +	},
> +};
> +
> +static struct regmap_irq_chip rk808_irq_chip = {
> +	.name = "rk808",
> +	.irqs = rk808_irqs,
> +	.num_irqs = ARRAY_SIZE(rk808_irqs),
> +	.num_regs = 2,
> +	.irq_reg_stride = 2,
> +	.status_base = RK808_INT_STS_REG1,
> +	.mask_base = RK808_INT_STS_MSK_REG1,
> +	.ack_base = RK808_INT_STS_REG1,
> +	.init_ack_masked = true,
> +};
> +
> +static struct i2c_client *rk808_i2c_client;
> +static void rk808_device_shutdown(void)
> +{
> +	int ret;
> +	struct rk808 *rk808 = i2c_get_clientdata(rk808_i2c_client);
> +
> +	if (!rk808) {
> +		dev_warn(&rk808_i2c_client->dev,
> +			 "have no rk808, so do nothing here\n");
> +		return;
> +	}
> +
> +	ret = regmap_update_bits(rk808->regmap,
> +				 RK808_DEVCTRL_REG,
> +				 DEV_OFF_RST, DEV_OFF_RST);
> +	if (ret)
> +		dev_err(&rk808_i2c_client->dev, "power off error!\n");
> +}
> +
> +static int rk808_probe(struct i2c_client *client,
> +		       const struct i2c_device_id *id)
> +{
> +	struct device_node *np = client->dev.of_node;
> +	struct rk808 *rk808;
> +	int pm_off = 0;
> +	int ret;
> +	int i;
> +
> +	if (!client->irq) {
> +		dev_err(&client->dev, "No interrupt support, no core IRQ\n");
> +		return -EINVAL;
> +	}
> +
> +	rk808 = devm_kzalloc(&client->dev, sizeof(*rk808), GFP_KERNEL);
> +	if (!rk808)
> +		return -ENOMEM;
> +
> +	rk808->regmap = devm_regmap_init_i2c(client, &rk808_regmap_config);
> +	if (IS_ERR(rk808->regmap)) {
> +		dev_err(&client->dev, "regmap initialization failed\n");
> +		return PTR_ERR(rk808->regmap);
> +	}
> +
> +	for (i = 0; i < ARRAY_SIZE(pre_init_reg); i++) {
> +		ret = regmap_update_bits(rk808->regmap, pre_init_reg[i].addr,
> +					 pre_init_reg[i].mask,
> +					 pre_init_reg[i].value);
> +		if (ret) {
> +			dev_err(&client->dev,
> +				"0x%x write err\n", pre_init_reg[i].addr);
> +			return ret;
> +		}
> +	}
> +
> +	ret = regmap_add_irq_chip(rk808->regmap, client->irq,
> +				  IRQF_ONESHOT, -1,
> +				  &rk808_irq_chip, &rk808->irq_data);
> +	if (ret) {
> +		dev_err(&client->dev, "Failed to add irq_chip %d\n", ret);
> +		return ret;
> +	}
> +
> +	rk808->i2c = client;
> +	i2c_set_clientdata(client, rk808);
> +
> +	ret = mfd_add_devices(&client->dev, -1,
> +			      rk808s, ARRAY_SIZE(rk808s),
> +			      NULL, 0, regmap_irq_get_domain(rk808->irq_data));
> +	if (ret) {
> +		dev_err(&client->dev, "failed to add MFD devices %d\n", ret);
> +		goto err_irq;
> +	}
> +
> +	pm_off = of_property_read_bool(np,
> +				"rockchip,system-power-controller");
> +	if (pm_off && !pm_power_off) {
> +		rk808_i2c_client = client;
> +		pm_power_off = rk808_device_shutdown;
> +	}
> +
> +	return 0;
> +
> +err_irq:
> +	regmap_del_irq_chip(client->irq, rk808->irq_data);
> +	return ret;
> +}
> +
> +static int rk808_remove(struct i2c_client *client)
> +{
> +	struct rk808 *rk808 = i2c_get_clientdata(client);
> +
> +	regmap_del_irq_chip(client->irq, rk808->irq_data);
> +	mfd_remove_devices(&client->dev);
> +	pm_power_off = NULL;
> +
> +	return 0;
> +}
> +
> +static struct of_device_id rk808_of_match[] = {
> +	{ .compatible = "rockchip,rk808" },
> +	{ },
> +};
> +MODULE_DEVICE_TABLE(of, rk808_of_match);
> +
> +static const struct i2c_device_id rk808_ids[] = {
> +	{ "rk808" },
> +	{ },
> +};
> +MODULE_DEVICE_TABLE(i2c, rk808_ids);
> +
> +static struct i2c_driver rk808_i2c_driver = {
> +	.driver = {
> +		.name = "rk808",
> +		.of_match_table = rk808_of_match,
> +	},
> +	.probe    = rk808_probe,
> +	.remove   = rk808_remove,
> +	.id_table = rk808_ids,
> +};
> +
> +module_i2c_driver(rk808_i2c_driver);
> +
> +MODULE_LICENSE("GPL");
> +MODULE_AUTHOR("Chris Zhong <zyw-TNX95d0MmH7DzftRWevZcw@public.gmane.org>");
> +MODULE_AUTHOR("Zhang Qing <zhangqing-TNX95d0MmH7DzftRWevZcw@public.gmane.org>");
> +MODULE_DESCRIPTION("RK808 PMIC driver");
> diff --git a/include/linux/mfd/rk808.h b/include/linux/mfd/rk808.h
> new file mode 100644
> index 0000000..fb09312
> --- /dev/null
> +++ b/include/linux/mfd/rk808.h
> @@ -0,0 +1,196 @@
> +/*
> + * rk808.h for Rockchip RK808
> + *
> + * Copyright (c) 2014, Fuzhou Rockchip Electronics Co., Ltd
> + *
> + * Author: Chris Zhong <zyw-TNX95d0MmH7DzftRWevZcw@public.gmane.org>
> + * Author: Zhang Qing <zhangqing-TNX95d0MmH7DzftRWevZcw@public.gmane.org>
> + *
> + * This program is free software; you can redistribute it and/or modify it
> + * under the terms and conditions of the GNU General Public License,
> + * version 2, as published by the Free Software Foundation.
> + *
> + * This program is distributed in the hope it will be useful, but WITHOUT
> + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
> + * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
> + * more details.
> + */
> +
> +#ifndef __LINUX_REGULATOR_rk808_H
> +#define __LINUX_REGULATOR_rk808_H
> +
> +#include <linux/regulator/machine.h>
> +#include <linux/regmap.h>
> +
> +/*
> + * rk808 Global Register Map.
> + */
> +
> +#define RK808_DCDC1	0 /* (0+RK808_START) */
> +#define RK808_LDO1	4 /* (4+RK808_START) */
> +#define RK808_NUM_REGULATORS   14
> +
> +enum rk808_reg {
> +	RK808_ID_DCDC1,
> +	RK808_ID_DCDC2,
> +	RK808_ID_DCDC3,
> +	RK808_ID_DCDC4,
> +	RK808_ID_LDO1,
> +	RK808_ID_LDO2,
> +	RK808_ID_LDO3,
> +	RK808_ID_LDO4,
> +	RK808_ID_LDO5,
> +	RK808_ID_LDO6,
> +	RK808_ID_LDO7,
> +	RK808_ID_LDO8,
> +	RK808_ID_SWITCH1,
> +	RK808_ID_SWITCH2,
> +};
> +
> +#define RK808_SECONDS_REG	0x00
> +#define RK808_MINUTES_REG	0x01
> +#define RK808_HOURS_REG		0x02
> +#define RK808_DAYS_REG		0x03
> +#define RK808_MONTHS_REG	0x04
> +#define RK808_YEARS_REG		0x05
> +#define RK808_WEEKS_REG		0x06
> +#define RK808_ALARM_SECONDS_REG	0x08
> +#define RK808_ALARM_MINUTES_REG	0x09
> +#define RK808_ALARM_HOURS_REG	0x0a
> +#define RK808_ALARM_DAYS_REG	0x0b
> +#define RK808_ALARM_MONTHS_REG	0x0c
> +#define RK808_ALARM_YEARS_REG	0x0d
> +#define RK808_RTC_CTRL_REG	0x10
> +#define RK808_RTC_STATUS_REG	0x11
> +#define RK808_RTC_INT_REG	0x12
> +#define RK808_RTC_COMP_LSB_REG	0x13
> +#define RK808_RTC_COMP_MSB_REG	0x14
> +#define RK808_CLK32OUT_REG	0x20
> +#define RK808_VB_MON_REG	0x21
> +#define RK808_THERMAL_REG	0x22
> +#define RK808_DCDC_EN_REG	0x23
> +#define RK808_LDO_EN_REG	0x24
> +#define RK808_SLEEP_SET_OFF_REG1	0x25
> +#define RK808_SLEEP_SET_OFF_REG2	0x26
> +#define RK808_DCDC_UV_STS_REG	0x27
> +#define RK808_DCDC_UV_ACT_REG	0x28
> +#define RK808_LDO_UV_STS_REG	0x29
> +#define RK808_LDO_UV_ACT_REG	0x2a
> +#define RK808_DCDC_PG_REG	0x2b
> +#define RK808_LDO_PG_REG	0x2c
> +#define RK808_VOUT_MON_TDB_REG	0x2d
> +#define RK808_BUCK1_CONFIG_REG		0x2e
> +#define RK808_BUCK1_ON_VSEL_REG		0x2f
> +#define RK808_BUCK1_SLP_VSEL_REG	0x30
> +#define RK808_BUCK1_DVS_VSEL_REG	0x31
> +#define RK808_BUCK2_CONFIG_REG		0x32
> +#define RK808_BUCK2_ON_VSEL_REG		0x33
> +#define RK808_BUCK2_SLP_VSEL_REG	0x34
> +#define RK808_BUCK2_DVS_VSEL_REG	0x35
> +#define RK808_BUCK3_CONFIG_REG		0x36
> +#define RK808_BUCK4_CONFIG_REG		0x37
> +#define RK808_BUCK4_ON_VSEL_REG		0x38
> +#define RK808_BUCK4_SLP_VSEL_REG	0x39
> +#define RK808_BOOST_CONFIG_REG		0x3a
> +#define RK808_LDO1_ON_VSEL_REG		0x3b
> +#define RK808_LDO1_SLP_VSEL_REG		0x3c
> +#define RK808_LDO2_ON_VSEL_REG		0x3d
> +#define RK808_LDO2_SLP_VSEL_REG		0x3e
> +#define RK808_LDO3_ON_VSEL_REG		0x3f
> +#define RK808_LDO3_SLP_VSEL_REG		0x40
> +#define RK808_LDO4_ON_VSEL_REG		0x41
> +#define RK808_LDO4_SLP_VSEL_REG		0x42
> +#define RK808_LDO5_ON_VSEL_REG		0x43
> +#define RK808_LDO5_SLP_VSEL_REG		0x44
> +#define RK808_LDO6_ON_VSEL_REG		0x45
> +#define RK808_LDO6_SLP_VSEL_REG		0x46
> +#define RK808_LDO7_ON_VSEL_REG		0x47
> +#define RK808_LDO7_SLP_VSEL_REG		0x48
> +#define RK808_LDO8_ON_VSEL_REG		0x49
> +#define RK808_LDO8_SLP_VSEL_REG		0x4a
> +#define RK808_DEVCTRL_REG	0x4b
> +#define RK808_INT_STS_REG1	0x4c
> +#define RK808_INT_STS_MSK_REG1	0x4d
> +#define RK808_INT_STS_REG2	0x4e
> +#define RK808_INT_STS_MSK_REG2	0x4f
> +#define RK808_IO_POL_REG	0x50
> +
> +/* IRQ Definitions */
> +#define RK808_IRQ_VOUT_LO	0
> +#define RK808_IRQ_VB_LO		1
> +#define RK808_IRQ_PWRON		2
> +#define RK808_IRQ_PWRON_LP	3
> +#define RK808_IRQ_HOTDIE	4
> +#define RK808_IRQ_RTC_ALARM	5
> +#define RK808_IRQ_RTC_PERIOD	6
> +#define RK808_IRQ_PLUG_IN_INT	7
> +#define RK808_IRQ_PLUG_OUT_INT	8
> +#define RK808_NUM_IRQ		9
> +
> +#define RK808_IRQ_VOUT_LO_MSK		BIT(0)
> +#define RK808_IRQ_VB_LO_MSK		BIT(1)
> +#define RK808_IRQ_PWRON_MSK		BIT(2)
> +#define RK808_IRQ_PWRON_LP_MSK		BIT(3)
> +#define RK808_IRQ_HOTDIE_MSK		BIT(4)
> +#define RK808_IRQ_RTC_ALARM_MSK		BIT(5)
> +#define RK808_IRQ_RTC_PERIOD_MSK	BIT(6)
> +#define RK808_IRQ_PLUG_IN_INT_MSK	BIT(0)
> +#define RK808_IRQ_PLUG_OUT_INT_MSK	BIT(1)
> +
> +#define RK808_VBAT_LOW_2V8	0x00
> +#define RK808_VBAT_LOW_2V9	0x01
> +#define RK808_VBAT_LOW_3V0	0x02
> +#define RK808_VBAT_LOW_3V1	0x03
> +#define RK808_VBAT_LOW_3V2	0x04
> +#define RK808_VBAT_LOW_3V3	0x05
> +#define RK808_VBAT_LOW_3V4	0x06
> +#define RK808_VBAT_LOW_3V5	0x07
> +#define VBAT_LOW_VOL_MASK	(0x07 << 0)
> +#define EN_VABT_LOW_SHUT_DOWN	(0x00 << 4)
> +#define EN_VBAT_LOW_IRQ		(0x1 << 4)
> +#define VBAT_LOW_ACT_MASK	(0x1 << 4)
> +
> +#define BUCK_ILMIN_MASK		(7 << 0)
> +#define BOOST_ILMIN_MASK	(7 << 0)
> +#define BUCK1_RATE_MASK		(3 << 3)
> +#define BUCK2_RATE_MASK		(3 << 3)
> +#define MASK_ALL	0xff
> +
> +#define SWITCH2_EN	BIT(6)
> +#define SWITCH1_EN	BIT(5)
> +#define DEV_OFF_RST	BIT(3)
> +
> +#define VB_LO_ACT		BIT(4)
> +#define VB_LO_SEL_3500MV	(7 << 0)
> +
> +#define VOUT_LO_INT	BIT(0)
> +#define CLK32KOUT2_EN	BIT(0)
> +
> +enum {
> +	BUCK_ILMIN_50MA,
> +	BUCK_ILMIN_100MA,
> +	BUCK_ILMIN_150MA,
> +	BUCK_ILMIN_200MA,
> +	BUCK_ILMIN_250MA,
> +	BUCK_ILMIN_300MA,
> +	BUCK_ILMIN_350MA,
> +	BUCK_ILMIN_400MA,
> +};
> +
> +enum {
> +	BOOST_ILMIN_75MA,
> +	BOOST_ILMIN_100MA,
> +	BOOST_ILMIN_125MA,
> +	BOOST_ILMIN_150MA,
> +	BOOST_ILMIN_175MA,
> +	BOOST_ILMIN_200MA,
> +	BOOST_ILMIN_225MA,
> +	BOOST_ILMIN_250MA,
> +};
> +
> +struct rk808 {
> +	struct i2c_client *i2c;
> +	struct regmap_irq_chip_data *irq_data;
> +	struct regmap *regmap;
> +};
> +#endif /* __LINUX_REGULATOR_rk808_H */

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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