diff --git a/arch/arm/boot/dts/r8a7791-porter.dts b/arch/arm/boot/dts/r8a7791-porter.dts
index 6713b1e..fe81fa0 100644
--- a/arch/arm/boot/dts/r8a7791-porter.dts
+++ b/arch/arm/boot/dts/r8a7791-porter.dts
@@ -78,6 +78,29 @@
 		states = <3300000 1
 			  1800000 0>;
 	};
+
+	hdmi-out {
+		compatible = "hdmi-connector";
+		type = "a";
+
+		port {
+			hdmi_con: endpoint {
+				remote-endpoint = <&adv7511_out>;
+			};
+		};
+	};
+
+	x3_clk: x3-clock {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <148500000>;
+	};
+
+	x16_clk: x16-clock {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <74250000>;
+	};
 };
 
 &extal_clk {
@@ -139,6 +162,11 @@
 		renesas,groups = "can0_data";
 		renesas,function = "can0";
 	};
+
+	du_pins: du {
+		renesas,groups = "du_rgb888", "du_sync", "du_disp", "du_clk_out_0";
+		renesas,function = "du";
+	};
 };
 
 &scif0 {
@@ -241,6 +269,38 @@
 			};
 		};
 	};
+
+	hdmi@39 {
+		compatible = "adi,adv7511w";
+		reg = <0x39>;
+		interrupt-parent = <&gpio3>;
+		interrupts = <29 IRQ_TYPE_LEVEL_LOW>;
+
+		adi,input-depth = <8>;
+		adi,input-colorspace = "rgb";
+		adi,input-clock = "1x";
+		adi,input-style = <1>;
+		adi,input-justification = "evenly";
+
+		ports {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			port@0 {
+				reg = <0>;
+				adv7511_in: endpoint {
+					remote-endpoint = <&du_out_rgb>;
+				};
+			};
+
+			port@1 {
+				reg = <1>;
+				adv7511_out: endpoint {
+					remote-endpoint = <&hdmi_con>;
+				};
+			};
+		};
+	};
 };
 
 &sata0 {
@@ -304,3 +364,24 @@
 
 	status = "okay";
 };
+
+&du {
+	pinctrl-0 = <&du_pins>;
+	pinctrl-names = "default";
+	status = "okay";
+
+	clocks = <&mstp7_clks R8A7791_CLK_DU0>,
+		 <&mstp7_clks R8A7791_CLK_DU1>,
+		 <&mstp7_clks R8A7791_CLK_LVDS0>,
+		 <&x3_clk>, <&x16_clk>;
+	clock-names = "du.0", "du.1", "lvds.0",
+		      "dclkin.0", "dclkin.1";
+
+	ports {
+		port@1 {
+			endpoint {
+				remote-endpoint = <&adv7511_in>;
+			};
+		};
+	};
+};