diff --git a/bindings/sound/qcom-usb-audio-qmi-dev.txt b/bindings/sound/qcom-usb-audio-qmi-dev.txt
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+++ b/bindings/sound/qcom-usb-audio-qmi-dev.txt
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+QTI USB Audio QMI Device
+
+USB Audio QMI device is used to attach to remote processor IOMMU and
+map USB Audio driver specific memory to iova to share with remote
+processor.
+
+Required Properties:
+
+- compatible : "qcom,usb-audio-qmi-dev"
+
+- iommus : A list of phandle and IOMMU specifier pairs that describe the
+  IOMMU master interfaces of the device.
+
+- qcom,usb-audio-stream-id : Stream id is prepended to iova before passing
+  iova to remote processor. This allows remote processor to access iova.
+
+- qcom,usb-audio-intr-num : Interrupter number for external sub system
+  destination.
+
+Example:
+	usb_audio_qmi_dev {
+		compatible = "qcom,usb-audio-qmi-dev";
+		iommus = <&lpass_q6_smmu 12>;
+		qcom,usb-audio-stream-id = <12>;
+		qcom,usb-audio-intr-num = <1>;
+	};