ARM: dts: enable display controller for exynos5800-peach-pi

Enable display controller with timing information for 1080p
panel in Exynos5800 peach-pi board.
Signed-off-by: Rahul Sharma <rahul.sharma@samsung.com>
Reviewed-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

arch/arm/boot/dts/exynos5800-peach-pi.dts

@@ -73,6 +73,13 @@ power_key_irq: power-key-irq {
 		samsung,pin-drv = <0>;
 	};
 
+	dp_hpd_gpio: dp_hpd_gpio {
+		samsung,pins = "gpx2-6";
+		samsung,pin-function = <0>;
+		samsung,pin-pud = <3>;
+		samsung,pin-drv = <0>;
+	};
+
 	hdmi_hpd_irq: hdmi-hpd-irq {
 		samsung,pins = "gpx3-7";
 		samsung,pin-function = <0>;
@@ -128,6 +135,35 @@ slot@0 {
 	};
 };
 
+&dp {
+	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&dp_hpd_gpio>;
+	samsung,color-space = <0>;
+	samsung,dynamic-range = <0>;
+	samsung,ycbcr-coeff = <0>;
+	samsung,color-depth = <1>;
+	samsung,link-rate = <0x0a>;
+	samsung,lane-count = <2>;
+	samsung,hpd-gpio = <&gpx2 6 0>;
+
+	display-timings {
+		native-mode = <&timing1>;
+
+		timing1: timing@1 {
+			clock-frequency = <150660000>;
+			hactive = <1920>;
+			vactive = <1080>;
+			hfront-porch = <60>;
+			hback-porch = <172>;
+			hsync-len = <80>;
+			vback-porch = <25>;
+			vfront-porch = <10>;
+			vsync-len = <10>;
+		};
+	};
+};
+
 &hsi2c_9 {
 	status = "okay";
 	clock-frequency = <400000>;