diff --git a/arch/arm64/boot/dts/rockchip/rk3568-nvr-demo-v10.dtsi b/arch/arm64/boot/dts/rockchip/rk3568-nvr-demo-v10.dtsi
index a08a6aca9cf7..80445097cefd 100644
--- a/arch/arm64/boot/dts/rockchip/rk3568-nvr-demo-v10.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3568-nvr-demo-v10.dtsi
@@ -29,6 +29,20 @@
 		};
 	};
 
+	i2s1_sound: i2s1-sound {
+		status = "okay";
+		compatible = "simple-audio-card";
+		simple-audio-card,format = "i2s";
+		simple-audio-card,mclk-fs = <256>;
+		simple-audio-card,name = "rockchip,i2s1-sound";
+		simple-audio-card,cpu {
+			sound-dai = <&i2s1_8ch>;
+		};
+		simple-audio-card,codec {
+			sound-dai = <&es8311>;
+		};
+	};
+
 	vcc2v5_sys: vcc2v5-ddr {
 		compatible = "regulator-fixed";
 		regulator-name = "vcc2v5-sys";
@@ -148,6 +162,28 @@
 	};
 };
 
+&i2c3 {
+	status = "okay";
+	clock-frequency = <400000>;
+
+	es8311: es8311@18 {
+		compatible = "everest,es8311";
+		reg = <0x18>;
+		clocks = <&cru I2S1_MCLKOUT_TX>;
+		clock-names = "mclk";
+		adc-pga-gain = <6>;	/* 18dB */
+		adc-volume = <0xbf>;	/* 0dB */
+		dac-volume = <0xbf>;	/* 0dB */
+		aec-mode = "dac left, adc right";
+		pinctrl-names = "default";
+		pinctrl-0 = <&i2s1m0_mclk>;
+		assigned-clocks = <&cru I2S1_MCLKOUT_TX>;
+		assigned-clock-parents = <&cru CLK_I2S1_8CH_TX>;
+		spk-ctl-gpios = <&gpio2 RK_PA5 GPIO_ACTIVE_HIGH>;
+		#sound-dai-cells = <0>;
+	};
+};
+
 &mdio0 {
 	rgmii_phy0: phy@0 {
 		compatible = "ethernet-phy-ieee802.3-c22";