This driver is a general version for LM642 led chip of TI. LM3642 : The LM3642 is a 4MHz fixed-frequency synchronous boost converter plus 1.5A constant current driver for a high-current white LED. The LM3642 is controlled via an I2C-compatible interface.
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| 1 | /* | ||
| 2 | * Copyright (C) 2012 Texas Instruments | ||
| 3 | * | ||
| 4 | * License Terms: GNU General Public License v2 | ||
| 5 | * | ||
| 6 | * Simple driver for Texas Instruments LM3642 LED driver chip | ||
| 7 | * | ||
| 8 | * Author: G.Shark Jeong <gshark.jeong@gmail.com> | ||
| 9 | * Daniel Jeong <daniel.jeong@ti.com> | ||
| 10 | */ | ||
| 11 | |||
| 12 | #ifndef __LINUX_LM3642_H | ||
| 13 | #define __LINUX_LM3642_H | ||
| 14 | |||
| 15 | #define LM3642_NAME "leds-lm3642" | ||
| 16 | |||
| 17 | enum lm3642_torch_pin_enable { | ||
| 18 | LM3642_TORCH_PIN_DISABLE = 0x00, | ||
| 19 | LM3642_TORCH_PIN_ENABLE = 0x10, | ||
| 20 | }; | ||
| 21 | |||
| 22 | enum lm3642_strobe_pin_enable { | ||
| 23 | LM3642_STROBE_PIN_DISABLE = 0x00, | ||
| 24 | LM3642_STROBE_PIN_ENABLE = 0x20, | ||
| 25 | }; | ||
| 26 | |||
| 27 | enum lm3642_tx_pin_enable { | ||
| 28 | LM3642_TX_PIN_DISABLE = 0x00, | ||
| 29 | LM3642_TX_PIN_ENABLE = 0x40, | ||
| 30 | }; | ||
| 31 | |||
| 32 | struct lm3642_platform_data { | ||
| 33 | enum lm3642_torch_pin_enable torch_pin; | ||
| 34 | enum lm3642_strobe_pin_enable strobe_pin; | ||
| 35 | enum lm3642_tx_pin_enable tx_pin; | ||
| 36 | }; | ||
| 37 | |||
| 38 | #endif /* __LINUX_LM3642_H */ | ||