diff --git a/arch/arm/boot/dts/rk3229-evb.dts b/arch/arm/boot/dts/rk3229-evb.dts
index 556efdca6308..857d1fb27be2 100644
--- a/arch/arm/boot/dts/rk3229-evb.dts
+++ b/arch/arm/boot/dts/rk3229-evb.dts
@@ -24,6 +24,19 @@
 		regulator-max-microvolt = <12000000>;
 	};
 
+	sound {
+		compatible = "simple-audio-card";
+		simple-audio-card,format = "i2s";
+		simple-audio-card,mclk-fs = <256>;
+		simple-audio-card,name = "rockchip,rk3229";
+		simple-audio-card,cpu {
+			sound-dai = <&i2s1>;
+		};
+		simple-audio-card,codec {
+			sound-dai = <&codec>;
+		};
+	};
+
 	ext_gmac: ext_gmac {
 		compatible = "fixed-clock";
 		clock-frequency = <125000000>;
@@ -165,6 +178,16 @@
 	vccio4-supply = <&vccio_3v3>;
 };
 
+&i2s1 {
+	#sound-dai-cells = <0>;
+	status = "okay";
+};
+
+&codec {
+	#sound-dai-cells = <0>;
+	status = "okay";
+};
+
 &pinctrl {
 	keys {
 		pwr_key: pwr-key {