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af873fce | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
798a8eee LW |
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> | |
798a8eee LW |
7 | */ |
8 | #ifndef MFD_TPS6105X_H | |
9 | #define MFD_TPS6105X_H | |
10 | ||
11 | #include <linux/i2c.h> | |
7e507119 | 12 | #include <linux/regmap.h> |
2edd3b69 | 13 | #include <linux/regulator/machine.h> |
798a8eee LW |
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 | */ | |
64 | enum 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 | |
2edd3b69 LW |
75 | * @regulator_data: initialization data for the voltage |
76 | * regulator if used as a voltage source | |
798a8eee LW |
77 | */ |
78 | struct tps6105x_platform_data { | |
79 | enum tps6105x_mode mode; | |
2edd3b69 | 80 | struct regulator_init_data *regulator_data; |
798a8eee LW |
81 | }; |
82 | ||
83 | /** | |
84 | * struct tps6105x - state holder for the TPS6105x drivers | |
798a8eee | 85 | * @i2c_client: corresponding I2C client |
2edd3b69 | 86 | * @regulator: regulator device if used in voltage mode |
7e507119 | 87 | * @regmap: used for i2c communcation on accessing registers |
798a8eee LW |
88 | */ |
89 | struct tps6105x { | |
90 | struct tps6105x_platform_data *pdata; | |
798a8eee | 91 | struct i2c_client *client; |
2edd3b69 | 92 | struct regulator_dev *regulator; |
7e507119 | 93 | struct regmap *regmap; |
798a8eee LW |
94 | }; |
95 | ||
798a8eee | 96 | #endif |