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1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)2%YAML 1.23---4$id: http://devicetree.org/schemas/sound/qcom,q6usb.yaml#5$schema: http://devicetree.org/meta-schemas/core.yaml#6 7title: Qualcomm ASoC DPCM USB backend DAI8 9maintainers:10 - Wesley Cheng <quic_wcheng@quicinc.com>11 12description:13 The USB port is a supported AFE path on the Q6 DSP. This ASoC DPCM14 backend DAI will communicate the required settings to initialize the15 XHCI host controller properly for enabling the offloaded audio stream.16 Parameters defined under this node will carry settings, which will be17 passed along during the QMI stream enable request and configuration of18 the XHCI host controller.19 20allOf:21 - $ref: dai-common.yaml#22 23properties:24 compatible:25 enum:26 - qcom,q6usb27 28 iommus:29 maxItems: 130 31 "#sound-dai-cells":32 const: 133 34 qcom,usb-audio-intr-idx:35 description:36 Desired XHCI interrupter number to use. Depending on the audio DSP37 on the platform, it will operate on a specific XHCI interrupter.38 $ref: /schemas/types.yaml#/definitions/uint1639 maximum: 840 41required:42 - compatible43 - "#sound-dai-cells"44 - qcom,usb-audio-intr-idx45 46additionalProperties: false47 48examples:49 - |50 dais {51 compatible = "qcom,q6usb";52 #sound-dai-cells = <1>;53 iommus = <&apps_smmu 0x180f 0x0>;54 qcom,usb-audio-intr-idx = /bits/ 16 <2>;55 };56