ARM: dts: represent bridge and panel connection for exynos5250-snow

Define videoports and use endpoints to describe the connection between
the encoder, bridge and the panel, instead of using phandles.
Signed-off-by: Ajay Kumar <ajaykumar.rs@samsung.com>
Acked-by: Inki Dae <inki.dae@samsung.com>
Tested-by: Rahul Sharma <rahul.sharma@samsung.com>
Tested-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Tested-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Tested-by: Sjoerd Simons <sjoerd.simons@collabora.co.uk>
Signed-off-by: Kukjin Kim <kgene@kernel.org>

arch/arm/boot/dts/exynos5250-snow.dts

@@ -183,7 +183,20 @@ ptn3460: lvds-bridge@20 {
 			powerdown-gpios = <&gpy2 5 GPIO_ACTIVE_HIGH>;
 			reset-gpios = <&gpx1 5 GPIO_ACTIVE_HIGH>;
 			edid-emulation = <5>;
-			panel = <&panel>;
+
+			ports {
+				port@0 {
+					bridge_out: endpoint {
+						remote-endpoint = <&panel_in>;
+					};
+				};
+
+				port@1 {
+					bridge_in: endpoint {
+						remote-endpoint = <&dp_out>;
+					};
+				};
+			};
 		};
 	};
 
@@ -228,6 +241,12 @@ panel: panel {
 		compatible = "auo,b116xw03";
 		power-supply = <&fet6>;
 		backlight = <&backlight>;
+
+		port {
+			panel_in: endpoint {
+				remote-endpoint = <&bridge_out>;
+			};
+		};
 	};
 
 	mmc3_pwrseq: mmc3_pwrseq {
@@ -250,7 +269,14 @@ &dp {
 	samsung,link-rate = <0x0a>;
 	samsung,lane-count = <2>;
 	samsung,hpd-gpio = <&gpx0 7 GPIO_ACTIVE_HIGH>;
-	bridge = <&ptn3460>;
+
+	ports {
+		port@0 {
+			dp_out: endpoint {
+				remote-endpoint = <&bridge_in>;
+			};
+		};
+	};
 };
 
 &ehci {