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