Applied to:
git://git.denx.de/u-boot-nios.git next
Thanks, --Scott
Thomas Chou wrote:
This patch adds a status led driver followed the GPIO access conventions of Linux. The led mask is used to specify the gpio pin.
Signed-off-by: Thomas Chou thomas@wytron.com.tw
v2: moved to drivers/misc.
drivers/misc/Makefile | 1 + drivers/misc/gpio_led.c | 30 ++++++++++++++++++++++++++++++ 2 files changed, 31 insertions(+), 0 deletions(-) create mode 100644 drivers/misc/gpio_led.c
diff --git a/drivers/misc/Makefile b/drivers/misc/Makefile index f6df60f..55ff17f 100644 --- a/drivers/misc/Makefile +++ b/drivers/misc/Makefile @@ -28,6 +28,7 @@ LIB := $(obj)libmisc.a COBJS-$(CONFIG_ALI152X) += ali512x.o COBJS-$(CONFIG_DS4510) += ds4510.o COBJS-$(CONFIG_FSL_LAW) += fsl_law.o +COBJS-$(CONFIG_GPIO_LED) += gpio_led.o COBJS-$(CONFIG_NS87308) += ns87308.o COBJS-$(CONFIG_STATUS_LED) += status_led.o COBJS-$(CONFIG_TWL4030_LED) += twl4030_led.o 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));
+}