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 | */ |
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 |
75 | * @regulator_data: initialization data for the voltage |
76 | * regulator if used as a voltage source |
77 | */ |
78 | struct 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 | */ |
89 | struct 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 | |