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 */ 65 enum 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 */ 79 struct 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 */ 90 struct 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