diff options
| author | G.Shark Jeong <gshark.jeong@gmail.com> | 2012-09-12 20:05:50 +0800 |
|---|---|---|
| committer | Bryan Wu <bryan.wu@canonical.com> | 2012-09-13 11:56:41 +0800 |
| commit | 8b7cfbec052d3a0b8e8c7de24a6b5f00d340e193 (patch) | |
| tree | 26301fd33a2fbaf5d262b45be29f15d1a8bdc897 /include/linux/platform_data/leds-lm3642.h | |
| parent | f162584232e1b7eb05647abb1f109cbe91543ac8 (diff) | |
leds: Add new LED driver for lm3642 chips
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.
Signed-off-by: G.Shark Jeong <gshark.jeong@gmail.com>
Signed-off-by: Bryan Wu <bryan.wu@canonical.com>
Diffstat (limited to 'include/linux/platform_data/leds-lm3642.h')
| -rw-r--r-- | include/linux/platform_data/leds-lm3642.h | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/include/linux/platform_data/leds-lm3642.h b/include/linux/platform_data/leds-lm3642.h new file mode 100644 index 000000000000..72d6ee6ade57 --- /dev/null +++ b/include/linux/platform_data/leds-lm3642.h @@ -0,0 +1,38 @@ +/* +* Copyright (C) 2012 Texas Instruments +* +* License Terms: GNU General Public License v2 +* +* Simple driver for Texas Instruments LM3642 LED driver chip +* +* Author: G.Shark Jeong <gshark.jeong@gmail.com> +* Daniel Jeong <daniel.jeong@ti.com> +*/ + +#ifndef __LINUX_LM3642_H +#define __LINUX_LM3642_H + +#define LM3642_NAME "leds-lm3642" + +enum lm3642_torch_pin_enable { + LM3642_TORCH_PIN_DISABLE = 0x00, + LM3642_TORCH_PIN_ENABLE = 0x10, +}; + +enum lm3642_strobe_pin_enable { + LM3642_STROBE_PIN_DISABLE = 0x00, + LM3642_STROBE_PIN_ENABLE = 0x20, +}; + +enum lm3642_tx_pin_enable { + LM3642_TX_PIN_DISABLE = 0x00, + LM3642_TX_PIN_ENABLE = 0x40, +}; + +struct lm3642_platform_data { + enum lm3642_torch_pin_enable torch_pin; + enum lm3642_strobe_pin_enable strobe_pin; + enum lm3642_tx_pin_enable tx_pin; +}; + +#endif /* __LINUX_LM3642_H */ |