ARM: dts: r8a7791: Convert to new LVDS DT bindings

The internal LVDS encoder now has DT bindings separate from the DU. Port
the device tree over to the new model.

Fixes: c6a27fa4 ("drm: rcar-du: Convert LVDS encoder code to bridge driver")
Fixes: bb21803e ("ARM: dts: r8a7791: add soc node")
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

arch/arm/boot/dts/r8a7791-koelsch.dts

@@ -468,10 +468,9 @@ &du {
 	pinctrl-names = "default";
 	status = "okay";
 
-	clocks = <&cpg CPG_MOD 724>, <&cpg CPG_MOD 723>, <&cpg CPG_MOD 726>,
+	clocks = <&cpg CPG_MOD 724>, <&cpg CPG_MOD 723>,
 		 <&x13_clk>, <&x2_clk>;
-	clock-names = "du.0", "du.1", "lvds.0",
-		      "dclkin.0", "dclkin.1";
+	clock-names = "du.0", "du.1", "dclkin.0", "dclkin.1";
 
 	ports {
 		port@0 {
@@ -479,6 +478,13 @@ endpoint {
 				remote-endpoint = <&adv7511_in>;
 			};
 		};
+	};
+};
+
+&lvds0 {
+	status = "okay";
+
+	ports {
 		port@1 {
 			lvds_connector: endpoint {
 			};

arch/arm/boot/dts/r8a7791-porter.dts

@@ -441,10 +441,9 @@ &du {
 	pinctrl-names = "default";
 	status = "okay";
 
-	clocks = <&cpg CPG_MOD 724>, <&cpg CPG_MOD 723>, <&cpg CPG_MOD 726>,
+	clocks = <&cpg CPG_MOD 724>, <&cpg CPG_MOD 723>,
 		 <&x3_clk>, <&x16_clk>;
-	clock-names = "du.0", "du.1", "lvds.0",
-		      "dclkin.0", "dclkin.1";
+	clock-names = "du.0", "du.1", "dclkin.0", "dclkin.1";
 
 	ports {
 		port@0 {
@@ -455,6 +454,17 @@ endpoint {
 	};
 };
 
+&lvds0 {
+	status = "okay";
+
+	ports {
+		port@1 {
+			lvds_connector: endpoint {
+			};
+		};
+	};
+};
+
 &rcar_sound {
 	pinctrl-0 = <&ssi_pins &audio_clk_pins>;
 	pinctrl-names = "default";

arch/arm/boot/dts/r8a7791.dtsi

@@ -1633,15 +1633,12 @@ jpu: jpeg-codec@fe980000 {
 
 		du: display@feb00000 {
 			compatible = "renesas,du-r8a7791";
-			reg = <0 0xfeb00000 0 0x40000>,
-			      <0 0xfeb90000 0 0x1c>;
-			reg-names = "du", "lvds.0";
+			reg = <0 0xfeb00000 0 0x40000>;
 			interrupts = <GIC_SPI 256 IRQ_TYPE_LEVEL_HIGH>,
 				     <GIC_SPI 268 IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&cpg CPG_MOD 724>,
-				 <&cpg CPG_MOD 723>,
-				 <&cpg CPG_MOD 726>;
-			clock-names = "du.0", "du.1", "lvds.0";
+				 <&cpg CPG_MOD 723>;
+			clock-names = "du.0", "du.1";
 			status = "disabled";
 
 			ports {
@@ -1656,6 +1653,33 @@ du_out_rgb: endpoint {
 				port@1 {
 					reg = <1>;
 					du_out_lvds0: endpoint {
+						remote-endpoint = <&lvds0_in>;
+					};
+				};
+			};
+		};
+
+		lvds0: lvds@feb90000 {
+			compatible = "renesas,r8a7791-lvds";
+			reg = <0 0xfeb90000 0 0x1c>;
+			clocks = <&cpg CPG_MOD 726>;
+			power-domains = <&sysc R8A7791_PD_ALWAYS_ON>;
+			resets = <&cpg 726>;
+			status = "disabled";
+
+			ports {
+				#address-cells = <1>;
+				#size-cells = <0>;
+
+				port@0 {
+					reg = <0>;
+					lvds0_in: endpoint {
+						remote-endpoint = <&du_out_lvds0>;
+					};
+				};
+				port@1 {
+					reg = <1>;
+					lvds0_out: endpoint {
 					};
 				};
 			};