diff --git a/arch/arm64/boot/dts/rockchip/rk3588-toybrick.dtsi b/arch/arm64/boot/dts/rockchip/rk3588-toybrick.dtsi
index 8291d09b7d39..30a11634651b 100644
--- a/arch/arm64/boot/dts/rockchip/rk3588-toybrick.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3588-toybrick.dtsi
@@ -84,6 +84,26 @@
 		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;
+	};
+
+	dp1_sound: dp1-sound {
+		status = "disabled";
+		compatible = "rockchip,hdmi";
+		rockchip,card-name= "rockchip,dp1";
+		rockchip,mclk-fs = <512>;
+		rockchip,cpu = <&spdif_tx5>;
+		rockchip,codec = <&dp1 1>;
+		rockchip,jack-det;
+	};
+
 	hdmi0_sound: hdmi0-sound {
 		status = "disabled";
 		compatible = "rockchip,hdmi";