1 /*
2  * Copyright (C) 2012 Texas Instruments
3  *
4  * License Terms: GNU General Public License v2
5  *
6  * Simple driver for Texas Instruments LM355x LED driver chip
7  *
8  * Author: G.Shark Jeong <gshark.jeong@gmail.com>
9  *         Daniel Jeong <daniel.jeong@ti.com>
10  */
11 
12 #define LM355x_NAME "leds-lm355x"
13 #define LM3554_NAME "leds-lm3554"
14 #define LM3556_NAME "leds-lm3556"
15 
16 /* lm3554 : strobe def. on */
17 enum lm355x_strobe {
18 	LM355x_PIN_STROBE_DISABLE = 0x00,
19 	LM355x_PIN_STROBE_ENABLE = 0x01,
20 };
21 
22 enum lm355x_torch {
23 	LM355x_PIN_TORCH_DISABLE = 0,
24 	LM3554_PIN_TORCH_ENABLE = 0x80,
25 	LM3556_PIN_TORCH_ENABLE = 0x10,
26 };
27 
28 enum lm355x_tx2 {
29 	LM355x_PIN_TX_DISABLE = 0,
30 	LM3554_PIN_TX_ENABLE = 0x20,
31 	LM3556_PIN_TX_ENABLE = 0x40,
32 };
33 
34 enum lm355x_ntc {
35 	LM355x_PIN_NTC_DISABLE = 0,
36 	LM3554_PIN_NTC_ENABLE = 0x08,
37 	LM3556_PIN_NTC_ENABLE = 0x80,
38 };
39 
40 enum lm355x_pmode {
41 	LM355x_PMODE_DISABLE = 0,
42 	LM355x_PMODE_ENABLE = 0x04,
43 };
44 
45 /*
46  * struct lm3554_platform_data
47  * @pin_strobe: strobe input
48  * @pin_torch : input pin
49  *              lm3554-tx1/torch/gpio1
50  *              lm3556-torch
51  * @pin_tx2   : input pin
52  *              lm3554-envm/tx2/gpio2
53  *              lm3556-tx pin
54  * @ntc_pin  : output pin
55  *              lm3554-ledi/ntc
56  *              lm3556-temp pin
57  * @pass_mode : pass mode
58  */
59 struct lm355x_platform_data {
60 	enum lm355x_strobe pin_strobe;
61 	enum lm355x_torch pin_tx1;
62 	enum lm355x_tx2 pin_tx2;
63 	enum lm355x_ntc ntc_pin;
64 
65 	enum lm355x_pmode pass_mode;
66 };
67