linux/include/linux/mfd/tps6105x.h
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   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