/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright ( C ) 2011 ST - Ericsson SA
* Written on behalf of Linaro for ST - Ericsson
*
* Author : Linus Walleij < linus . walleij @ linaro . org >
*/
#ifndef MFD_TPS6105X_H
#define MFD_TPS6105X_H
#include <linux/i2c.h>
#include <linux/regmap.h>
#include <linux/regulator/machine.h>
/*
* Register definitions to all subdrivers
*/
#define TPS6105X_REG_0 0 x00
#define TPS6105X_REG0_MODE_SHIFT 6
#define TPS6105X_REG0_MODE_MASK (0 x03<<6 )
/* These defines for both reg0 and reg1 */
#define TPS6105X_REG0_MODE_SHUTDOWN 0 x00
#define TPS6105X_REG0_MODE_TORCH 0 x01
#define TPS6105X_REG0_MODE_TORCH_FLASH 0 x02
#define TPS6105X_REG0_MODE_VOLTAGE 0 x03
#define TPS6105X_REG0_VOLTAGE_SHIFT 4
#define TPS6105X_REG0_VOLTAGE_MASK (3 <<4 )
#define TPS6105X_REG0_VOLTAGE_450 0
#define TPS6105X_REG0_VOLTAGE_500 1
#define TPS6105X_REG0_VOLTAGE_525 2
#define TPS6105X_REG0_VOLTAGE_500_2 3
#define TPS6105X_REG0_DIMMING_SHIFT 3
#define TPS6105X_REG0_TORCHC_SHIFT 0
#define TPS6105X_REG0_TORCHC_MASK (7 <<0 )
#define TPS6105X_REG0_TORCHC_0 0 x00
#define TPS6105X_REG0_TORCHC_50 0 x01
#define TPS6105X_REG0_TORCHC_75 0 x02
#define TPS6105X_REG0_TORCHC_100 0 x03
#define TPS6105X_REG0_TORCHC_150 0 x04
#define TPS6105X_REG0_TORCHC_200 0 x05
#define TPS6105X_REG0_TORCHC_250_400 0 x06
#define TPS6105X_REG0_TORCHC_250_500 0 x07
#define TPS6105X_REG_1 0 x01
#define TPS6105X_REG1_MODE_SHIFT 6
#define TPS6105X_REG1_MODE_MASK (0 x03<<6 )
#define TPS6105X_REG1_MODE_SHUTDOWN 0 x00
#define TPS6105X_REG1_MODE_TORCH 0 x01
#define TPS6105X_REG1_MODE_TORCH_FLASH 0 x02
#define TPS6105X_REG1_MODE_VOLTAGE 0 x03
#define TPS6105X_REG_2 0 x02
#define TPS6105X_REG_3 0 x03
/**
* enum tps6105x_mode - desired mode for the TPS6105x
* @ TPS6105X_MODE_SHUTDOWN : this instance is inactive , not used for anything
* @ TPS61905X_MODE_TORCH : this instance is used as a LED , usually a while
* LED , for example as backlight or flashlight . If this is set , the
* TPS6105X will register to the LED framework
* @ TPS6105X_MODE_TORCH_FLASH : this instance is used as a flashgun , usually
* in a camera
* @ TPS6105X_MODE_VOLTAGE : this instance is used as a voltage regulator and
* will register to the regulator framework
*/
enum tps6105x_mode {
TPS6105X_MODE_SHUTDOWN,
TPS6105X_MODE_TORCH,
TPS6105X_MODE_TORCH_FLASH,
TPS6105X_MODE_VOLTAGE,
};
/**
* struct tps6105x_platform_data - TPS61905x platform data
* @ mode : what mode this instance shall be operated in ,
* this is not selectable at runtime
* @ regulator_data : initialization data for the voltage
* regulator if used as a voltage source
*/
struct tps6105x_platform_data {
enum tps6105x_mode mode;
struct regulator_init_data *regulator_data;
};
/**
* struct tps6105x - state holder for the TPS6105x drivers
* @ i2c_client : corresponding I2C client
* @ regulator : regulator device if used in voltage mode
* @ regmap : used for i2c communcation on accessing registers
*/
struct tps6105x {
struct tps6105x_platform_data *pdata;
struct i2c_client *client;
struct regulator_dev *regulator;
struct regmap *regmap;
};
#endif
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