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author | 2023-10-10 14:33:42 +0000 | |
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committer | 2023-10-10 14:33:42 +0000 | |
commit | af1a266670d040d2f4083ff309d732d648afba2a (patch) | |
tree | 2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/u-boot-sam460ex/drivers/misc/gpio_led.c | |
parent | e02cda008591317b1625707ff8e115a4841aa889 (diff) |
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/u-boot-sam460ex/drivers/misc/gpio_led.c')
-rw-r--r-- | roms/u-boot-sam460ex/drivers/misc/gpio_led.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/roms/u-boot-sam460ex/drivers/misc/gpio_led.c b/roms/u-boot-sam460ex/drivers/misc/gpio_led.c new file mode 100644 index 000000000..acd6a9012 --- /dev/null +++ b/roms/u-boot-sam460ex/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)); +} |