diff options
| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2011-12-29 18:05:29 +0900 |
|---|---|---|
| committer | Kukjin Kim <kgene.kim@samsung.com> | 2012-01-20 09:39:36 +0900 |
| commit | 66211f98d611056bf5fe918bbda37c636688574e (patch) | |
| tree | e41552674103ca893909fe45e3cf8ddbfa6264c6 /arch/arm/mach-s3c64xx | |
| parent | 84207d83adc9a9b97d45d9cefaaf0ca766891b92 (diff) | |
| download | linux-66211f98d611056bf5fe918bbda37c636688574e.tar.gz linux-66211f98d611056bf5fe918bbda37c636688574e.tar.bz2 linux-66211f98d611056bf5fe918bbda37c636688574e.zip | |
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>
Diffstat (limited to 'arch/arm/mach-s3c64xx')
| -rw-r--r-- | arch/arm/mach-s3c64xx/Kconfig | 1 | ||||
| -rw-r--r-- | arch/arm/mach-s3c64xx/mach-crag6410.c | 51 |
2 files changed, 52 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c64xx/Kconfig b/arch/arm/mach-s3c64xx/Kconfig index dd20c66cd700..dc451232cf47 100644 --- a/arch/arm/mach-s3c64xx/Kconfig +++ b/arch/arm/mach-s3c64xx/Kconfig @@ -296,5 +296,6 @@ config MACH_WLF_CRAGG_6410 select S3C64XX_DEV_SPI0 select SAMSUNG_GPIO_EXTRA128 select I2C + select LEDS_GPIO_REGISTER help Machine support for the Wolfson Cragganmore S3C6410 variant. diff --git a/arch/arm/mach-s3c64xx/mach-crag6410.c b/arch/arm/mach-s3c64xx/mach-crag6410.c index 8077f650eb0e..9da2d78f12f2 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 @@ static struct s3c_sdhci_platdata crag6410_hsmmc0_pdata = { .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 @@ static void __init crag6410_machine_init(void) platform_add_devices(crag6410_devices, ARRAY_SIZE(crag6410_devices)); + gpio_led_register_device(-1, &gpio_leds_pdata); + regulator_has_full_constraints(); s3c64xx_pm_init(); |