diff --git a/arch/arm64/boot/dts/rockchip/rk3588-evb1-lp4.dtsi b/arch/arm64/boot/dts/rockchip/rk3588-evb1-lp4.dtsi
index 543d78d3f182..8c4abb338876 100644
--- a/arch/arm64/boot/dts/rockchip/rk3588-evb1-lp4.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3588-evb1-lp4.dtsi
@@ -254,6 +254,10 @@
 	status = "okay";
 };
 
+&dp0_sound{
+	status = "okay";
+};
+
 &dp1 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&dp1_hpd>;
@@ -668,6 +672,10 @@
 	status = "okay";
 };
 
+&spdif_tx2 {
+	status = "okay";
+};
+
 &u2phy0_otg {
 	rockchip,typec-vbus-det;
 };
diff --git a/arch/arm64/boot/dts/rockchip/rk3588s-evb.dtsi b/arch/arm64/boot/dts/rockchip/rk3588s-evb.dtsi
index 39a0c225f268..57f1d510e4c5 100644
--- a/arch/arm64/boot/dts/rockchip/rk3588s-evb.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3588s-evb.dtsi
@@ -84,6 +84,16 @@
 		default-brightness-level = <200>;
 	};
 
+	dp0_sound: dp0-sound {
+		status = "disabled";
+		compatible = "rockchip,hdmi";
+		rockchip,card-name= "rockchip,dp0";
+		rockchip,mclk-fs = <512>;
+		rockchip,cpu = <&spdif_tx2>;
+		rockchip,codec = <&dp0 1>;
+		rockchip,jack-det;
+	};
+
 	hdmi0_sound: hdmi0-sound {
 		status = "disabled";
 		compatible = "simple-audio-card";
diff --git a/arch/arm64/boot/dts/rockchip/rk3588s-evb1-lp4x.dtsi b/arch/arm64/boot/dts/rockchip/rk3588s-evb1-lp4x.dtsi
index 44b0001b3d9f..5a93b3fa949c 100644
--- a/arch/arm64/boot/dts/rockchip/rk3588s-evb1-lp4x.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3588s-evb1-lp4x.dtsi
@@ -222,6 +222,10 @@
 	status = "okay";
 };
 
+&dp0_sound{
+	status = "okay";
+};
+
 &edp0 {
 	force-hpd;
 	status = "okay";
@@ -660,6 +664,10 @@
 	status = "okay";
 };
 
+&spdif_tx2 {
+	status = "okay";
+};
+
 &u2phy0_otg {
 	rockchip,typec-vbus-det;
 };