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