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mfd: max77686: Add Maxim 77802 PMIC support

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Maxim MAX77802 is a power management chip that contains 10 high
efficiency Buck regulators, 32 Low-dropout (LDO) regulators used
to power up application processors and peripherals, a 2-channel
32kHz clock outputs, a Real-Time-Clock (RTC) and a I2C interface
to program the individual regulators, clocks outputs and the RTC.

This patch adds support for MAX77802 to the MAX77686 driver and is
based on a driver added to the Chrome OS kernel 3.8 by Simon Glass.

Signed-off-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This commit is contained in:
Javier Martinez Canillas
2014-07-24 14:39:24 +02:00
committed by Lee Jones
parent ad83533a63
commit a259f3896a
4 changed files with 435 additions and 31 deletions
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57
include/linux/mfd/max77686.h
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@@ -1,5 +1,5 @@
/*
* max77686.h - Driver for the Maxim 77686
* max77686.h - Driver for the Maxim 77686/802
*
* Copyright (C) 2012 Samsung Electrnoics
* Chiwoong Byun <woong.byun@samsung.com>
@@ -71,6 +71,54 @@ enum max77686_regulators {
MAX77686_REG_MAX,
};
/* MAX77802 regulator IDs */
enum max77802_regulators {
MAX77802_BUCK1 = 0,
MAX77802_BUCK2,
MAX77802_BUCK3,
MAX77802_BUCK4,
MAX77802_BUCK5,
MAX77802_BUCK6,
MAX77802_BUCK7,
MAX77802_BUCK8,
MAX77802_BUCK9,
MAX77802_BUCK10,
MAX77802_LDO1,
MAX77802_LDO2,
MAX77802_LDO3,
MAX77802_LDO4,
MAX77802_LDO5,
MAX77802_LDO6,
MAX77802_LDO7,
MAX77802_LDO8,
MAX77802_LDO9,
MAX77802_LDO10,
MAX77802_LDO11,
MAX77802_LDO12,
MAX77802_LDO13,
MAX77802_LDO14,
MAX77802_LDO15,
MAX77802_LDO17,
MAX77802_LDO18,
MAX77802_LDO19,
MAX77802_LDO20,
MAX77802_LDO21,
MAX77802_LDO23,
MAX77802_LDO24,
MAX77802_LDO25,
MAX77802_LDO26,
MAX77802_LDO27,
MAX77802_LDO28,
MAX77802_LDO29,
MAX77802_LDO30,
MAX77802_LDO32,
MAX77802_LDO33,
MAX77802_LDO34,
MAX77802_LDO35,
MAX77802_REG_MAX,
};
struct max77686_regulator_data {
int id;
struct regulator_init_data *initdata;
@@ -83,6 +131,13 @@ enum max77686_opmode {
MAX77686_OPMODE_STANDBY,
};
enum max77802_opmode {
MAX77802_OPMODE_OFF,
MAX77802_OPMODE_STANDBY,
MAX77802_OPMODE_LP,
MAX77802_OPMODE_NORMAL,
};
struct max77686_opmode_data {
int id;
int mode;