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 */ | |