diff --git a/arch/arm64/boot/dts/rockchip/rk3588s-odroid-m2.dtsi b/arch/arm64/boot/dts/rockchip/rk3588s-odroid-m2.dtsi
index 2ecd9cc19470..561384885007 100644
--- a/arch/arm64/boot/dts/rockchip/rk3588s-odroid-m2.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3588s-odroid-m2.dtsi
@@ -55,6 +55,16 @@
 		default-brightness-level = <100>;
 	};
 
+	dp0_sound: dp0-sound {
+		status = "okay";
+		compatible = "rockchip,hdmi";
+		rockchip,card-name= "rockchip-dp0";
+		rockchip,mclk-fs = <512>;
+		rockchip,cpu = <&spdif_tx2>;
+		rockchip,codec = <&dp0 1>;
+		rockchip,jack-det;
+	};
+
 	es8316_sound: es8316-sound {
 		compatible = "simple-audio-card";
 		simple-audio-card,format = "i2s";
@@ -680,6 +690,10 @@
 	pinctrl-0 = <&spdif1m1_tx>;
 };
 
+&spdif_tx2 {
+	status = "okay";
+};
+
 &tsadc {
 	status = "okay";
 };