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>
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@ -21,6 +21,7 @@
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#include <linux/platform_device.h>
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#include <linux/io.h>
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#include <linux/i2c.h>
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#include <linux/leds.h>
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#include <linux/fb.h>
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#include <linux/gpio.h>
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#include <linux/delay.h>
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@ -33,6 +34,7 @@
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#endif
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#ifdef CONFIG_SMDK6410_WM1192_EV1
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#include <linux/mfd/wm831x/core.h>
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#include <linux/mfd/wm831x/pdata.h>
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#endif
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@ -471,11 +473,38 @@ static struct wm8350_platform_data __initdata smdk6410_wm8350_pdata = {
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#endif
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#ifdef CONFIG_SMDK6410_WM1192_EV1
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static struct gpio_led wm1192_pmic_leds[] = {
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{
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.name = "PMIC:red:power",
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.gpio = GPIO_BOARD_START + 3,
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.default_state = LEDS_GPIO_DEFSTATE_ON,
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},
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};
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static struct gpio_led_platform_data wm1192_pmic_led = {
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.num_leds = ARRAY_SIZE(wm1192_pmic_leds),
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.leds = wm1192_pmic_leds,
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};
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static struct platform_device wm1192_pmic_led_dev = {
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.name = "leds-gpio",
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.id = -1,
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.dev = {
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.platform_data = &wm1192_pmic_led,
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},
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};
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static int wm1192_pre_init(struct wm831x *wm831x)
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{
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int ret;
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/* Configure the IRQ line */
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s3c_gpio_setpull(S3C64XX_GPN(12), S3C_GPIO_PULL_UP);
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ret = platform_device_register(&wm1192_pmic_led_dev);
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if (ret != 0)
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dev_err(wm831x->dev, "Failed to add PMIC LED: %d\n", ret);
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return 0;
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}
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@ -522,6 +551,7 @@ static struct wm831x_pdata smdk6410_wm1192_pdata = {
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&smdk6410_vddint, /* DCDC2 */
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&wm1192_dcdc3,
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},
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.gpio_base = GPIO_BOARD_START,
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.ldo = {
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&wm1192_ldo1, /* LDO1 */
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&smdk6410_vdduh_mmc, /* LDO2 */
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