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
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