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b98d13c7 SJ |
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 | }; |