diff --git a/arch/arc/boot/dts/axs10x_mb.dtsi b/arch/arc/boot/dts/axs10x_mb.dtsi
index ab5d570..fc26ede 100644
--- a/arch/arc/boot/dts/axs10x_mb.dtsi
+++ b/arch/arc/boot/dts/axs10x_mb.dtsi
@@ -138,12 +138,23 @@
 			interrupts = <14>;
 		};
 
-		i2c@0x1e000 {
-			compatible = "snps,designware-i2c";
+		i2s: i2s@1e000 {
+			compatible = "snps,designware-i2s";
 			reg = <0x1e000 0x100>;
-			clock-frequency = <400000>;
-			clocks = <&i2cclk>;
 			interrupts = <15>;
+			#sound-dai-cells = <0>;
+		};
+
+		sound {
+			compatible = "simple-audio-card";
+			simple-audio-card,name = "AXS10X HDMI Audio";
+			simple-audio-card,format = "i2s";
+			simple-audio-card,cpu {
+				sound-dai = <&i2s>;
+			};
+			simple-audio-card,codec {
+				sound-dai = <&adv7511>;
+			};
 		};
 
 		i2c@0x1f000 {
@@ -155,6 +166,36 @@
 			clocks = <&i2cclk>;
 			interrupts = <16>;
 
+			adv7511: adv7511@39 {
+				compatible = "adi,adv7511";
+				reg = <0x39>;
+				interrupts = <23>;
+				adi,input-depth = <8>;
+				adi,input-colorspace = "rgb";
+				adi,input-clock = "1x";
+				adi,clock-delay = <0x03>;
+				#sound-dai-cells = <0>;
+
+				ports {
+					#address-cells = <1>;
+					#size-cells = <0>;
+
+					/* RGB/YUV input */
+					port@0 {
+						reg = <0>;
+						adv7511_input: endpoint {
+						};
+					};
+
+					/* HDMI output */
+					port@1 {
+						reg = <1>;
+						adv7511_output: endpoint {
+						};
+					};
+				};
+			};
+
 			eeprom@0x54{
 				compatible = "24c01";
 				reg = <0x54>;