diff options
| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2010-02-17 18:19:31 +0000 |
|---|---|---|
| committer | Ben Dooks <ben-linux@fluff.org> | 2010-02-24 01:58:41 +0000 |
| commit | a7a81d0bbd7820b279b14dbe00041a603c3cbf84 (patch) | |
| tree | fb41da5e7fa872c4e66262f18dbac7f48da41a42 /arch | |
| parent | 60f9101a8881797fecd89450b8a8d17a440e6281 (diff) | |
| download | linux-rt-a7a81d0bbd7820b279b14dbe00041a603c3cbf84.tar.gz | |
ARM: SMDK6410: Add support for PMIC LED on WM1192-EV1 PMIC module
The PMIC LED on the SMDK6410 CPU board is driven by GPIO4 of the
WM8312 PMIC. Provide software control of this LED.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/mach-s3c64xx/mach-smdk6410.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c64xx/mach-smdk6410.c b/arch/arm/mach-s3c64xx/mach-smdk6410.c index cf2327f0bf77..a966cacb9b9d 100644 --- a/arch/arm/mach-s3c64xx/mach-smdk6410.c +++ b/arch/arm/mach-s3c64xx/mach-smdk6410.c @@ -21,6 +21,7 @@ #include <linux/platform_device.h> #include <linux/io.h> #include <linux/i2c.h> +#include <linux/leds.h> #include <linux/fb.h> #include <linux/gpio.h> #include <linux/delay.h> @@ -33,6 +34,7 @@ #endif #ifdef CONFIG_SMDK6410_WM1192_EV1 +#include <linux/mfd/wm831x/core.h> #include <linux/mfd/wm831x/pdata.h> #endif @@ -471,11 +473,38 @@ static struct wm8350_platform_data __initdata smdk6410_wm8350_pdata = { #endif #ifdef CONFIG_SMDK6410_WM1192_EV1 +static struct gpio_led wm1192_pmic_leds[] = { + { + .name = "PMIC:red:power", + .gpio = GPIO_BOARD_START + 3, + .default_state = LEDS_GPIO_DEFSTATE_ON, + }, +}; + +static struct gpio_led_platform_data wm1192_pmic_led = { + .num_leds = ARRAY_SIZE(wm1192_pmic_leds), + .leds = wm1192_pmic_leds, +}; + +static struct platform_device wm1192_pmic_led_dev = { + .name = "leds-gpio", + .id = -1, + .dev = { + .platform_data = &wm1192_pmic_led, + }, +}; + static int wm1192_pre_init(struct wm831x *wm831x) { + int ret; + /* Configure the IRQ line */ s3c_gpio_setpull(S3C64XX_GPN(12), S3C_GPIO_PULL_UP); + ret = platform_device_register(&wm1192_pmic_led_dev); + if (ret != 0) + dev_err(wm831x->dev, "Failed to add PMIC LED: %d\n", ret); + return 0; } @@ -522,6 +551,7 @@ static struct wm831x_pdata smdk6410_wm1192_pdata = { &smdk6410_vddint, /* DCDC2 */ &wm1192_dcdc3, }, + .gpio_base = GPIO_BOARD_START, .ldo = { &wm1192_ldo1, /* LDO1 */ &smdk6410_vdduh_mmc, /* LDO2 */ |