ARM: S3C64XX: Support GPIO LEDs on Cragganmore
Cragganmore has a bank of 8 LEDs connected to the memory mapped GPIO
bank, mostly intended for low level diagnostics. Register these with
the LED subsystem for runtime use.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
diff --git a/arch/arm/mach-s3c64xx/mach-crag6410.c b/arch/arm/mach-s3c64xx/mach-crag6410.c
index 8077f65..9da2d78 100644
--- a/arch/arm/mach-s3c64xx/mach-crag6410.c
+++ b/arch/arm/mach-s3c64xx/mach-crag6410.c
@@ -19,6 +19,7 @@
#include <linux/io.h>
#include <linux/init.h>
#include <linux/gpio.h>
+#include <linux/leds.h>
#include <linux/delay.h>
#include <linux/regulator/machine.h>
#include <linux/regulator/fixed.h>
@@ -698,6 +699,54 @@
.cfg_gpio = crag6410_cfg_sdhci0,
};
+static const struct gpio_led gpio_leds[] = {
+ {
+ .name = "d13:green:",
+ .gpio = MMGPIO_GPIO_BASE + 0,
+ .default_state = LEDS_GPIO_DEFSTATE_ON,
+ },
+ {
+ .name = "d14:green:",
+ .gpio = MMGPIO_GPIO_BASE + 1,
+ .default_state = LEDS_GPIO_DEFSTATE_ON,
+ },
+ {
+ .name = "d15:green:",
+ .gpio = MMGPIO_GPIO_BASE + 2,
+ .default_state = LEDS_GPIO_DEFSTATE_ON,
+ },
+ {
+ .name = "d16:green:",
+ .gpio = MMGPIO_GPIO_BASE + 3,
+ .default_state = LEDS_GPIO_DEFSTATE_ON,
+ },
+ {
+ .name = "d17:green:",
+ .gpio = MMGPIO_GPIO_BASE + 4,
+ .default_state = LEDS_GPIO_DEFSTATE_ON,
+ },
+ {
+ .name = "d18:green:",
+ .gpio = MMGPIO_GPIO_BASE + 5,
+ .default_state = LEDS_GPIO_DEFSTATE_ON,
+ },
+ {
+ .name = "d19:green:",
+ .gpio = MMGPIO_GPIO_BASE + 6,
+ .default_state = LEDS_GPIO_DEFSTATE_ON,
+ },
+ {
+ .name = "d20:green:",
+ .gpio = MMGPIO_GPIO_BASE + 7,
+ .default_state = LEDS_GPIO_DEFSTATE_ON,
+ },
+};
+
+static const struct gpio_led_platform_data gpio_leds_pdata = {
+ .leds = gpio_leds,
+ .num_leds = ARRAY_SIZE(gpio_leds),
+};
+
static void __init crag6410_machine_init(void)
{
/* Open drain IRQs need pullups */
@@ -730,6 +779,8 @@
platform_add_devices(crag6410_devices, ARRAY_SIZE(crag6410_devices));
+ gpio_led_register_device(-1, &gpio_leds_pdata);
+
regulator_has_full_constraints();
s3c64xx_pm_init();