diff --git a/arch/arm/boot/dts/rk3288-evb-rk808-linux.dts b/arch/arm/boot/dts/rk3288-evb-rk808-linux.dts
index f630496fcfdc..9d19736b1170 100644
--- a/arch/arm/boot/dts/rk3288-evb-rk808-linux.dts
+++ b/arch/arm/boot/dts/rk3288-evb-rk808-linux.dts
@@ -498,10 +498,6 @@
 	status = "okay";
 };
 
-&sound {
-	status = "okay";
-};
-
 &uart2 {
 	status = "disabled";
 };
diff --git a/arch/arm/boot/dts/rk3288-evb.dtsi b/arch/arm/boot/dts/rk3288-evb.dtsi
index ae934d669784..03d9c5f0533c 100644
--- a/arch/arm/boot/dts/rk3288-evb.dtsi
+++ b/arch/arm/boot/dts/rk3288-evb.dtsi
@@ -47,6 +47,45 @@
 		};
 	};
 
+	sound: sound {
+		compatible = "simple-audio-card";
+		simple-audio-card,format = "i2s";
+		simple-audio-card,name = "rockchip,rt5640-codec";
+		simple-audio-card,mclk-fs = <512>;
+		status = "okay";
+
+		simple-audio-card,dai-link@0 {
+			format = "i2s";
+			cpu {
+				sound-dai = <&i2s>;
+			};
+
+			codec {
+				sound-dai = <&rt5640>;
+			};
+		};
+
+		simple-audio-card,dai-link@1 {
+			format = "i2s";
+			cpu {
+				sound-dai = <&i2s>;
+			};
+
+			codec {
+				sound-dai = <&hdmi>;
+			};
+		};
+	};
+
+	hdmi_analog_sound: hdmi-analog-sound {
+		compatible = "rockchip,rk3288-hdmi-analog",
+			     "rockchip,rk3368-hdmi-analog";
+		rockchip,model = "rockchip,rt5640-codec";
+		rockchip,cpu = <&i2s>;
+		rockchip,codec = <&rt5640>, <&hdmi>;
+		status = "disabled";
+	};
+
 	backlight: backlight {
 		compatible = "pwm-backlight";
 		brightness-levels = <
@@ -286,6 +325,25 @@
 	status = "okay";
 };
 
+&i2c2 {
+	status = "okay";
+
+	rt5640: rt5640@1c {
+		#sound-dai-cells = <0>;
+		compatible = "realtek,rt5640";
+		reg = <0x1c>;
+		clocks = <&cru SCLK_I2S0_OUT>;
+		clock-names = "mclk";
+		interrupt-parent = <&gpio7>;
+		interrupts = <7 IRQ_TYPE_EDGE_FALLING>;
+	};
+};
+
+&i2s {
+	#sound-dai-cells = <0>;
+	status = "okay";
+};
+
 &wdt {
 	status = "okay";
 };