arm64: dts: renesas: rzg2l-smarc: Enable DU and link with DSI

Enable DU and link with DSI on RZ/{G2L,G2LC,V2L} SMARC EVK.

Move DSI port properties from board dtsi to SoC dtsi and then link with DU
and after that enable DU on the board dtsi.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20240222132117.137729-4-biju.das.jz@bp.renesas.comSigned-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

arch/arm64/boot/dts/renesas/r9a07g044.dtsi

@@ -793,6 +793,22 @@ dsi: dsi@10850000 {
 			reset-names = "rst", "arst", "prst";
 			power-domains = <&cpg>;
 			status = "disabled";
+
+			ports {
+				#address-cells = <1>;
+				#size-cells = <0>;
+
+				port@0 {
+					reg = <0>;
+					dsi0_in: endpoint {
+						remote-endpoint = <&du_out_dsi>;
+					};
+				};
+
+				port@1 {
+					reg = <1>;
+				};
+			};
 		};
 
 		vspd: vsp@10870000 {
@@ -839,6 +855,9 @@ ports {
 
 				port@0 {
 					reg = <0>;
+					du_out_dsi: endpoint {
+						remote-endpoint = <&dsi0_in>;
+					};
 				};
 
 				port@1 {

arch/arm64/boot/dts/renesas/r9a07g054.dtsi

@@ -798,6 +798,22 @@ dsi: dsi@10850000 {
 			reset-names = "rst", "arst", "prst";
 			power-domains = <&cpg>;
 			status = "disabled";
+
+			ports {
+				#address-cells = <1>;
+				#size-cells = <0>;
+
+				port@0 {
+					reg = <0>;
+					dsi0_in: endpoint {
+						remote-endpoint = <&du_out_dsi>;
+					};
+				};
+
+				port@1 {
+					reg = <1>;
+				};
+			};
 		};
 
 		vspd: vsp@10870000 {
@@ -846,6 +862,9 @@ ports {
 
 				port@0 {
 					reg = <0>;
+					du_out_dsi: endpoint {
+						remote-endpoint = <&dsi0_in>;
+					};
 				};
 
 				port@1 {

arch/arm64/boot/dts/renesas/rzg2l-smarc.dtsi

@@ -40,17 +40,7 @@ &dsi {
 	status = "okay";
 
 	ports {
-		#address-cells = <1>;
-		#size-cells = <0>;
-
-		port@0 {
-			reg = <0>;
-			dsi0_in: endpoint {
-			};
-		};
-
 		port@1 {
-			reg = <1>;
 			dsi0_out: endpoint {
 				data-lanes = <1 2 3 4>;
 				remote-endpoint = <&adv7535_in>;
@@ -59,6 +49,10 @@ dsi0_out: endpoint {
 	};
 };
 
+&du {
+	status = "okay";
+};
+
 &i2c1 {
 	adv7535: hdmi@3d {
 		compatible = "adi,adv7535";

arch/arm64/boot/dts/renesas/rzg2lc-smarc.dtsi

@@ -56,17 +56,7 @@ &dsi {
 	status = "okay";
 
 	ports {
-		#address-cells = <1>;
-		#size-cells = <0>;
-
-		port@0 {
-			reg = <0>;
-			dsi0_in: endpoint {
-			};
-		};
-
 		port@1 {
-			reg = <1>;
 			dsi0_out: endpoint {
 				data-lanes = <1 2 3 4>;
 				remote-endpoint = <&adv7535_in>;
@@ -75,6 +65,10 @@ dsi0_out: endpoint {
 	};
 };
 
+&du {
+	status = "okay";
+};
+
 &i2c1 {
 	adv7535: hdmi@3d {
 		compatible = "adi,adv7535";