diff --git a/arch/arm64/boot/dts/rockchip/rk356x.dtsi b/arch/arm64/boot/dts/rockchip/rk356x.dtsi
index 3c09cf6d4c37..ad4053402eef 100644
--- a/arch/arm64/boot/dts/rockchip/rk356x.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk356x.dtsi
@@ -614,6 +614,21 @@ hdmi_in_vp2: endpoint@2 {
 		};
 	};
 
+	hdmi_sound: hdmi-sound {
+		compatible = "simple-audio-card";
+		simple-audio-card,format = "i2s";
+		simple-audio-card,mclk-fs = <256>;
+		simple-audio-card,name = "hdmi-sound";
+		status = "disabled";
+
+		simple-audio-card,cpu {
+			sound-dai = <&i2s0_8ch>;
+		};
+		simple-audio-card,codec {
+			sound-dai = <&hdmi>;
+		};
+	};
+
 	qos_gpu: qos@fe128000 {
 		compatible = "rockchip,rk3568-qos", "syscon";
 		reg = <0x0 0xfe128000 0x0 0x20>;
@@ -789,6 +804,23 @@ spdif: spdif@fe460000 {
 		status = "disabled";
 	};
 
+	i2s0_8ch: i2s@fe400000 {
+		compatible = "rockchip,rk3568-i2s-tdm";
+		reg = <0x0 0xfe400000 0x0 0x1000>;
+		interrupts = <GIC_SPI 52 IRQ_TYPE_LEVEL_HIGH>;
+		assigned-clocks = <&cru CLK_I2S0_8CH_TX_SRC>, <&cru CLK_I2S0_8CH_RX_SRC>;
+		assigned-clock-rates = <1188000000>, <1188000000>;
+		clocks = <&cru MCLK_I2S0_8CH_TX>, <&cru MCLK_I2S0_8CH_RX>, <&cru HCLK_I2S0_8CH>;
+		clock-names = "mclk_tx", "mclk_rx", "hclk";
+		dmas = <&dmac1 0>;
+		dma-names = "tx";
+		resets = <&cru SRST_M_I2S0_8CH_TX>, <&cru SRST_M_I2S0_8CH_RX>;
+		reset-names = "tx-m", "rx-m";
+		rockchip,grf = <&grf>;
+		#sound-dai-cells = <0>;
+		status = "disabled";
+	};
+
 	i2s1_8ch: i2s@fe410000 {
 		compatible = "rockchip,rk3568-i2s-tdm";
 		reg = <0x0 0xfe410000 0x0 0x1000>;