ARM: dts: omap4-panda: Update the LED support for the panda

The GPIO for LED D1 on the omap4-panda a1-a3 rev and the omap4-panda-es
are different.

A1-A3 = gpio_wk7
ES = gpio_110

There is no change to LED D2

Abstract away the pinmux and the LED definitions for the two boards into
the respective DTS files.

Signed-off-by: Dan Murphy <dmurphy@ti.com>
Signed-off-by: Benoit Cousson <benoit.cousson@linaro.org>

arch/arm/boot/dts/omap4-panda-common.dtsi

@@ -16,8 +16,13 @@
 		reg = <0x80000000 0x40000000>; /* 1 GB */
 	};
 
-	leds {
+	leds: leds {
 		compatible = "gpio-leds";
+		pinctrl-names = "default";
+		pinctrl-0 = <
+			&led_wkgpio_pins
+		>;
+
 		heartbeat {
 			label = "pandaboard::status1";
 			gpios = <&gpio1 7 GPIO_ACTIVE_HIGH>;
@@ -157,6 +162,15 @@
 	};
 };
 
+&omap4_pmx_wkup {
+	led_wkgpio_pins: pinmux_leds_wkpins {
+		pinctrl-single,pins = <
+			0x1a (PIN_OUTPUT | MUX_MODE3)	/* gpio_wk7 */
+			0x1c (PIN_OUTPUT | MUX_MODE3)	/* gpio_wk8 */
+		>;
+	};
+};
+
 &i2c1 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&i2c1_pins>;

arch/arm/boot/dts/omap4-panda-es.dts

@@ -34,3 +34,31 @@
 		0x5e (PIN_INPUT | MUX_MODE0)		/* hdmi_sda.hdmi_sda */
 		>;
 };
+
+&omap4_pmx_core {
+	led_gpio_pins: gpio_led_pmx {
+		pinctrl-single,pins = <
+			0xb6 (PIN_OUTPUT | MUX_MODE3)	/* gpio_110 */
+		>;
+	};
+};
+
+&led_wkgpio_pins {
+	pinctrl-single,pins = <
+		0x1c (PIN_OUTPUT | MUX_MODE3)	/* gpio_wk8 */
+	>;
+};
+
+&leds {
+	pinctrl-0 = <
+		&led_gpio_pins
+		&led_wkgpio_pins
+	>;
+
+	heartbeat {
+		gpios = <&gpio4 14 GPIO_ACTIVE_HIGH>;
+	};
+	mmc {
+		gpios = <&gpio1 8 GPIO_ACTIVE_HIGH>;
+	};
+};