Googler | 9398cc3 | 2022-12-02 17:21:52 +0800 | [diff] [blame^] | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
Googler | af606d2 | 2022-10-26 21:40:12 -0700 | [diff] [blame] | 2 | /* |
| 3 | * Copyright (C) 2012 Texas Instruments |
| 4 | * |
Googler | af606d2 | 2022-10-26 21:40:12 -0700 | [diff] [blame] | 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 | }; |