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| author | Minkyu Kang <mk7.kang@samsung.com> | 2010-07-06 17:29:44 +0900 |
|---|---|---|
| committer | Minkyu Kang <mk7.kang@samsung.com> | 2010-07-06 17:29:44 +0900 |
| commit | 2271d3ddccfbd4a7640121669ff9b013b1fea361 (patch) | |
| tree | 400f22f0a12ff0ae6c472bed6ac648befc1744a2 /drivers/misc/gpio_led.c | |
| parent | 25ae8aeb54a6ca89ba1fd11c00865b8fed9348b4 (diff) | |
| parent | 54841ab50c20d6fa6c9cc3eb826989da3a22d934 (diff) | |
| download | u-boot-imx-2271d3ddccfbd4a7640121669ff9b013b1fea361.zip u-boot-imx-2271d3ddccfbd4a7640121669ff9b013b1fea361.tar.gz u-boot-imx-2271d3ddccfbd4a7640121669ff9b013b1fea361.tar.bz2 | |
Merge branch 'master' of git://git.denx.de/u-boot
Diffstat (limited to 'drivers/misc/gpio_led.c')
| -rw-r--r-- | drivers/misc/gpio_led.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/drivers/misc/gpio_led.c b/drivers/misc/gpio_led.c new file mode 100644 index 0000000..acd6a90 --- /dev/null +++ b/drivers/misc/gpio_led.c @@ -0,0 +1,30 @@ +/* + * Status LED driver based on GPIO access conventions of Linux + * + * Copyright (C) 2010 Thomas Chou <thomas@wytron.com.tw> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <common.h> +#include <status_led.h> +#include <asm/gpio.h> + +/* assume led is active low */ + +void __led_init(led_id_t mask, int state) +{ + gpio_direction_output(mask, (state == STATUS_LED_ON) ? 0 : 1); +} + +void __led_set(led_id_t mask, int state) +{ + gpio_set_value(mask, (state == STATUS_LED_ON) ? 0 : 1); +} + +void __led_toggle(led_id_t mask) +{ + gpio_set_value(mask, !gpio_get_value(mask)); +} |