1/* 2 * Copyright (C) 2011 ST-Ericsson SA 3 * Written on behalf of Linaro for ST-Ericsson 4 * 5 * Author: Linus Walleij <linus.walleij@linaro.org> 6 * 7 * License terms: GNU General Public License (GPL) version 2 8 */ 9#ifndef MFD_TPS6105X_H 10#define MFD_TPS6105X_H 11 12#include <linux/i2c.h> 13#include <linux/regmap.h> 14#include <linux/regulator/machine.h> 15 16/* 17 * Register definitions to all subdrivers 18 */ 19#define TPS6105X_REG_0 0x00 20#define TPS6105X_REG0_MODE_SHIFT 6 21#define TPS6105X_REG0_MODE_MASK (0x03<<6) 22/* These defines for both reg0 and reg1 */ 23#define TPS6105X_REG0_MODE_SHUTDOWN 0x00 24#define TPS6105X_REG0_MODE_TORCH 0x01 25#define TPS6105X_REG0_MODE_TORCH_FLASH 0x02 26#define TPS6105X_REG0_MODE_VOLTAGE 0x03 27#define TPS6105X_REG0_VOLTAGE_SHIFT 4 28#define TPS6105X_REG0_VOLTAGE_MASK (3<<4) 29#define TPS6105X_REG0_VOLTAGE_450 0 30#define TPS6105X_REG0_VOLTAGE_500 1 31#define TPS6105X_REG0_VOLTAGE_525 2 32#define TPS6105X_REG0_VOLTAGE_500_2 3 33#define TPS6105X_REG0_DIMMING_SHIFT 3 34#define TPS6105X_REG0_TORCHC_SHIFT 0 35#define TPS6105X_REG0_TORCHC_MASK (7<<0) 36#define TPS6105X_REG0_TORCHC_0 0x00 37#define TPS6105X_REG0_TORCHC_50 0x01 38#define TPS6105X_REG0_TORCHC_75 0x02 39#define TPS6105X_REG0_TORCHC_100 0x03 40#define TPS6105X_REG0_TORCHC_150 0x04 41#define TPS6105X_REG0_TORCHC_200 0x05 42#define TPS6105X_REG0_TORCHC_250_400 0x06 43#define TPS6105X_REG0_TORCHC_250_500 0x07 44#define TPS6105X_REG_1 0x01 45#define TPS6105X_REG1_MODE_SHIFT 6 46#define TPS6105X_REG1_MODE_MASK (0x03<<6) 47#define TPS6105X_REG1_MODE_SHUTDOWN 0x00 48#define TPS6105X_REG1_MODE_TORCH 0x01 49#define TPS6105X_REG1_MODE_TORCH_FLASH 0x02 50#define TPS6105X_REG1_MODE_VOLTAGE 0x03 51#define TPS6105X_REG_2 0x02 52#define TPS6105X_REG_3 0x03 53 54/** 55 * enum tps6105x_mode - desired mode for the TPS6105x 56 * @TPS6105X_MODE_SHUTDOWN: this instance is inactive, not used for anything 57 * @TPS61905X_MODE_TORCH: this instance is used as a LED, usually a while 58 * LED, for example as backlight or flashlight. If this is set, the 59 * TPS6105X will register to the LED framework 60 * @TPS6105X_MODE_TORCH_FLASH: this instance is used as a flashgun, usually 61 * in a camera 62 * @TPS6105X_MODE_VOLTAGE: this instance is used as a voltage regulator and 63 * will register to the regulator framework 64 */ 65enum tps6105x_mode { 66 TPS6105X_MODE_SHUTDOWN, 67 TPS6105X_MODE_TORCH, 68 TPS6105X_MODE_TORCH_FLASH, 69 TPS6105X_MODE_VOLTAGE, 70}; 71 72/** 73 * struct tps6105x_platform_data - TPS61905x platform data 74 * @mode: what mode this instance shall be operated in, 75 * this is not selectable at runtime 76 * @regulator_data: initialization data for the voltage 77 * regulator if used as a voltage source 78 */ 79struct tps6105x_platform_data { 80 enum tps6105x_mode mode; 81 struct regulator_init_data *regulator_data; 82}; 83 84/** 85 * struct tps6105x - state holder for the TPS6105x drivers 86 * @i2c_client: corresponding I2C client 87 * @regulator: regulator device if used in voltage mode 88 * @regmap: used for i2c communcation on accessing registers 89 */ 90struct tps6105x { 91 struct tps6105x_platform_data *pdata; 92 struct i2c_client *client; 93 struct regulator_dev *regulator; 94 struct regmap *regmap; 95}; 96 97#endif 98