1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * Copyright (C) 2012 Texas Instruments
4  *
5  * Simple driver for Texas Instruments LM355x LED driver chip
6  *
7  * Author: G.Shark Jeong <gshark.jeong@gmail.com>
8  *         Daniel Jeong <daniel.jeong@ti.com>
9  */
10 
11 #define LM355x_NAME "leds-lm355x"
12 #define LM3554_NAME "leds-lm3554"
13 #define LM3556_NAME "leds-lm3556"
14 
15 /* lm3554 : strobe def. on */
16 enum lm355x_strobe {
17 	LM355x_PIN_STROBE_DISABLE = 0x00,
18 	LM355x_PIN_STROBE_ENABLE = 0x01,
19 };
20 
21 enum lm355x_torch {
22 	LM355x_PIN_TORCH_DISABLE = 0,
23 	LM3554_PIN_TORCH_ENABLE = 0x80,
24 	LM3556_PIN_TORCH_ENABLE = 0x10,
25 };
26 
27 enum lm355x_tx2 {
28 	LM355x_PIN_TX_DISABLE = 0,
29 	LM3554_PIN_TX_ENABLE = 0x20,
30 	LM3556_PIN_TX_ENABLE = 0x40,
31 };
32 
33 enum lm355x_ntc {
34 	LM355x_PIN_NTC_DISABLE = 0,
35 	LM3554_PIN_NTC_ENABLE = 0x08,
36 	LM3556_PIN_NTC_ENABLE = 0x80,
37 };
38 
39 enum lm355x_pmode {
40 	LM355x_PMODE_DISABLE = 0,
41 	LM355x_PMODE_ENABLE = 0x04,
42 };
43 
44 /*
45  * struct lm3554_platform_data
46  * @pin_strobe: strobe input
47  * @pin_torch : input pin
48  *              lm3554-tx1/torch/gpio1
49  *              lm3556-torch
50  * @pin_tx2   : input pin
51  *              lm3554-envm/tx2/gpio2
52  *              lm3556-tx pin
53  * @ntc_pin  : output pin
54  *              lm3554-ledi/ntc
55  *              lm3556-temp pin
56  * @pass_mode : pass mode
57  */
58 struct lm355x_platform_data {
59 	enum lm355x_strobe pin_strobe;
60 	enum lm355x_torch pin_tx1;
61 	enum lm355x_tx2 pin_tx2;
62 	enum lm355x_ntc ntc_pin;
63 
64 	enum lm355x_pmode pass_mode;
65 };
66