diff --git a/arch/arm/boot/dts/imx7d-sdb.dts b/arch/arm/boot/dts/imx7d-sdb.dts
index ac0751bc1177e1544c3c00b9a9073a7e89252d71..4a0d83784d7d1dd8569e01e6f808e990006c082c 100644
--- a/arch/arm/boot/dts/imx7d-sdb.dts
+++ b/arch/arm/boot/dts/imx7d-sdb.dts
@@ -164,6 +164,13 @@
 			"LINPUT1", "AMIC",
 			"AMIC", "MICB";
 	};
+
+	sound-hdmi {
+		compatible = "fsl,imx-audio-sii902x";
+		model = "sii902x-audio";
+		audio-cpu = <&sai3>;
+		hdmi-out;
+	};
 };
 
 &adc1 {