ARM: tegra: paz00: enable wifi led

This adds support for the wifi led. It is automaticly triggered by
the rfkill0 event.

Signed-off-by: Marc Dietrich <marvin24@gmx.de>
Signed-off-by: Olof Johansson <olof@lixom.net>

3 files changed, 24 insertions, 0 deletions

diff --git a/arch/arm/mach-tegra/board-paz00-pinmux.c b/arch/arm/mach-tegra/board-paz00-pinmux.c
index 70c57101b0b2..22257697d3ee 100644
--- a/arch/arm/mach-tegra/board-paz00-pinmux.c
+++ b/arch/arm/mach-tegra/board-paz00-pinmux.c
@@ -147,6 +147,7 @@ static struct tegra_gpio_table gpio_table[] = {
         { .gpio = TEGRA_ULPI_RST,       .enable = true },
         { .gpio = TEGRA_WIFI_PWRN,      .enable = true },
         { .gpio = TEGRA_WIFI_RST,       .enable = true },
+        { .gpio = TEGRA_WIFI_LED,       .enable = true },
 };
 
 void paz00_pinmux_init(void)
diff --git a/arch/arm/mach-tegra/board-paz00.c b/arch/arm/mach-tegra/board-paz00.c
index 6b798e760931..45111f6a5ced 100644
--- a/arch/arm/mach-tegra/board-paz00.c
+++ b/arch/arm/mach-tegra/board-paz00.c
@@ -91,11 +91,33 @@ static struct platform_device wifi_rfkill_device = {
         },
 };
 
+static struct gpio_led gpio_leds[] = {
+        {
+                .name                   = "wifi-led",
+                .default_trigger        = "rfkill0",
+                .gpio                   = TEGRA_WIFI_LED,
+        },
+};
+
+static struct gpio_led_platform_data gpio_led_info = {
+        .leds           = gpio_leds,
+        .num_leds       = ARRAY_SIZE(gpio_leds),
+};
+
+static struct platform_device leds_gpio = {
+        .name   = "leds-gpio",
+        .id     = -1,
+        .dev    = {
+                .platform_data = &gpio_led_info,
+        },
+};
+
 static struct platform_device *paz00_devices[] __initdata = {
         &debug_uart,
         &tegra_sdhci_device1,
         &tegra_sdhci_device4,
         &wifi_rfkill_device,
+        &leds_gpio,
 };
 
 static void paz00_i2c_init(void)
diff --git a/arch/arm/mach-tegra/board-paz00.h b/arch/arm/mach-tegra/board-paz00.h
index e780f30fcf12..86057c3fb9a0 100644
--- a/arch/arm/mach-tegra/board-paz00.h
+++ b/arch/arm/mach-tegra/board-paz00.h
@@ -28,6 +28,7 @@
 /* WIFI */
 #define TEGRA_WIFI_PWRN         TEGRA_GPIO_PK5
 #define TEGRA_WIFI_RST          TEGRA_GPIO_PD1
+#define TEGRA_WIFI_LED          TEGRA_GPIO_PD0
 
 void paz00_pinmux_init(void);