diff --git a/arch/arm64/boot/dts/allwinner/sun55i-h728-x96qpro+.dts b/arch/arm64/boot/dts/allwinner/sun55i-h728-x96qpro+.dts
index a96927fbdadd..b172985583f8 100644
--- a/arch/arm64/boot/dts/allwinner/sun55i-h728-x96qpro+.dts
+++ b/arch/arm64/boot/dts/allwinner/sun55i-h728-x96qpro+.dts
@@ -44,6 +44,24 @@ reg_vcc3v3: vcc3v3 {
 		vin-supply = <&reg_vcc5v>;
 		regulator-always-on;
 	};
+
+	sound-spdif {
+		compatible = "simple-audio-card";
+		simple-audio-card,name = "spdif-out";
+
+		simple-audio-card,cpu {
+			sound-dai = <&spdif>;
+		};
+
+		simple-audio-card,codec {
+			sound-dai = <&spdif_out>;
+		};
+	};
+
+	spdif_out: spdif-out {
+		#sound-dai-cells = <0>;
+		compatible = "linux,spdif-dit";
+	};
 };
 
 &ehci0 {
@@ -275,6 +293,12 @@ &r_pio {
 	vcc-pm-supply = <&reg_aldo3>;
 };
 
+&spdif {
+	pinctrl-names = "default";
+	pinctrl-0 = <&spdif_out_ph_pin>;
+	status = "okay";
+};
+
 &uart0 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&uart0_pb_pins>;