1/* SPDX-License-Identifier: GPL-2.0-only */ 2/* 3 * Copyright (C) 2011 ST-Ericsson SA 4 * Written on behalf of Linaro for ST-Ericsson 5 * 6 * Author: Linus Walleij <linus.walleij@linaro.org> 7 */ 8#ifndef MFD_TPS6105X_H 9#define MFD_TPS6105X_H 10 11#include <linux/i2c.h> 12#include <linux/regmap.h> 13#include <linux/regulator/machine.h> 14 15/* 16 * Register definitions to all subdrivers 17 */ 18#define TPS6105X_REG_0 0x00 19#define TPS6105X_REG0_MODE_SHIFT 6 20#define TPS6105X_REG0_MODE_MASK (0x03<<6) 21/* These defines for both reg0 and reg1 */ 22#define TPS6105X_REG0_MODE_SHUTDOWN 0x00 23#define TPS6105X_REG0_MODE_TORCH 0x01 24#define TPS6105X_REG0_MODE_TORCH_FLASH 0x02 25#define TPS6105X_REG0_MODE_VOLTAGE 0x03 26#define TPS6105X_REG0_VOLTAGE_SHIFT 4 27#define TPS6105X_REG0_VOLTAGE_MASK (3<<4) 28#define TPS6105X_REG0_VOLTAGE_450 0 29#define TPS6105X_REG0_VOLTAGE_500 1 30#define TPS6105X_REG0_VOLTAGE_525 2 31#define TPS6105X_REG0_VOLTAGE_500_2 3 32#define TPS6105X_REG0_DIMMING_SHIFT 3 33#define TPS6105X_REG0_TORCHC_SHIFT 0 34#define TPS6105X_REG0_TORCHC_MASK (7<<0) 35#define TPS6105X_REG0_TORCHC_0 0x00 36#define TPS6105X_REG0_TORCHC_50 0x01 37#define TPS6105X_REG0_TORCHC_75 0x02 38#define TPS6105X_REG0_TORCHC_100 0x03 39#define TPS6105X_REG0_TORCHC_150 0x04 40#define TPS6105X_REG0_TORCHC_200 0x05 41#define TPS6105X_REG0_TORCHC_250_400 0x06 42#define TPS6105X_REG0_TORCHC_250_500 0x07 43#define TPS6105X_REG_1 0x01 44#define TPS6105X_REG1_MODE_SHIFT 6 45#define TPS6105X_REG1_MODE_MASK (0x03<<6) 46#define TPS6105X_REG1_MODE_SHUTDOWN 0x00 47#define TPS6105X_REG1_MODE_TORCH 0x01 48#define TPS6105X_REG1_MODE_TORCH_FLASH 0x02 49#define TPS6105X_REG1_MODE_VOLTAGE 0x03 50#define TPS6105X_REG_2 0x02 51#define TPS6105X_REG_3 0x03 52 53/** 54 * enum tps6105x_mode - desired mode for the TPS6105x 55 * @TPS6105X_MODE_SHUTDOWN: this instance is inactive, not used for anything 56 * @TPS61905X_MODE_TORCH: this instance is used as a LED, usually a while 57 * LED, for example as backlight or flashlight. If this is set, the 58 * TPS6105X will register to the LED framework 59 * @TPS6105X_MODE_TORCH_FLASH: this instance is used as a flashgun, usually 60 * in a camera 61 * @TPS6105X_MODE_VOLTAGE: this instance is used as a voltage regulator and 62 * will register to the regulator framework 63 */ 64enum tps6105x_mode { 65 TPS6105X_MODE_SHUTDOWN, 66 TPS6105X_MODE_TORCH, 67 TPS6105X_MODE_TORCH_FLASH, 68 TPS6105X_MODE_VOLTAGE, 69}; 70 71/** 72 * struct tps6105x_platform_data - TPS61905x platform data 73 * @mode: what mode this instance shall be operated in, 74 * this is not selectable at runtime 75 * @regulator_data: initialization data for the voltage 76 * regulator if used as a voltage source 77 */ 78struct tps6105x_platform_data { 79 enum tps6105x_mode mode; 80 struct regulator_init_data *regulator_data; 81}; 82 83/** 84 * struct tps6105x - state holder for the TPS6105x drivers 85 * @i2c_client: corresponding I2C client 86 * @regulator: regulator device if used in voltage mode 87 * @regmap: used for i2c communcation on accessing registers 88 */ 89struct tps6105x { 90 struct tps6105x_platform_data *pdata; 91 struct i2c_client *client; 92 struct regulator_dev *regulator; 93 struct regmap *regmap; 94}; 95 96#endif 97