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ARM: SMDK6410: Add support for PMIC LED on WM1192-EV1 PMIC module

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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>
This commit is contained in:
Mark Brown 2010-02-17 18:19:31 +00:00 committed by Ben Dooks
parent 60f9101a88
commit a7a81d0bbd
1 changed files with 30 additions and 0 deletions
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30
arch/arm/mach-s3c64xx/mach-smdk6410.c
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@ -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 */