arm64: dts: rockchip: px30: add rgb node

Change-Id: I3bc1bd408bd97dcd18293efc258635d1f68766b3
Signed-off-by: Wyon Bi <bivvy.bi@rock-chips.com>

arch/arm64/boot/dts/rockchip/px30.dtsi

@@ -441,6 +441,32 @@
 			compatible = "rockchip,px30-io-voltage-domain";
 			status = "disabled";
 		};
+
+		rgb: rgb {
+			compatible = "rockchip,px30-rgb";
+			status = "disabled";
+
+			ports {
+				#address-cells = <1>;
+				#size-cells = <0>;
+
+				port@0 {
+					reg = <0>;
+					#address-cells = <1>;
+					#size-cells = <0>;
+
+					rgb_in_vopb: endpoint@0 {
+						reg = <0>;
+						remote-endpoint = <&vopb_out_rgb>;
+					};
+
+					rgb_in_vopl: endpoint@1 {
+						reg = <1>;
+						remote-endpoint = <&vopl_out_rgb>;
+					};
+				};
+			};
+		};
 	};
 
 	core_grf: syscon@ff148000 {
@@ -1239,6 +1265,11 @@
 				reg = <1>;
 				remote-endpoint = <&dsi_in_vopb>;
 			};
+
+			vopb_out_rgb: endpoint@2 {
+				reg = <2>;
+				remote-endpoint = <&rgb_in_vopb>;
+			};
 		};
 	};
 
@@ -1279,6 +1310,11 @@
 				reg = <1>;
 				remote-endpoint = <&dsi_in_vopl>;
 			};
+
+			vopl_out_rgb: endpoint@2 {
+				reg = <2>;
+				remote-endpoint = <&rgb_in_vopl>;
+			};
 		};
 	};