On 26/01/2023 04:14, Wesley Cheng wrote: > Add a dt-binding to describe the definition of enabling the Q6 USB backend > device for audio offloading. The node carries information, which is passed > along to the QC USB SND class driver counterpart. These parameters will be > utilized during QMI stream enable requests. Subject: drop second/last, redundant "bindings". The "dt-bindings" prefix is already stating that these are bindings. > > Signed-off-by: Wesley Cheng <quic_wcheng@xxxxxxxxxxx> > --- > .../bindings/sound/qcom,q6usb-dais.yaml | 55 +++++++++++++++++++ > 1 file changed, 55 insertions(+) > create mode 100644 Documentation/devicetree/bindings/sound/qcom,q6usb-dais.yaml > > diff --git a/Documentation/devicetree/bindings/sound/qcom,q6usb-dais.yaml b/Documentation/devicetree/bindings/sound/qcom,q6usb-dais.yaml > new file mode 100644 > index 000000000000..e24b4d52fa7e > --- /dev/null > +++ b/Documentation/devicetree/bindings/sound/qcom,q6usb-dais.yaml > @@ -0,0 +1,55 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/sound/qcom,q6usb-dais.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Qualcomm ASoC USB backend DAI > + > +maintainers: > + - Wesley Cheng <quic_wcheng@xxxxxxxxxxx> > + > +description: > + The Q6USB backend is a supported AFE port on the Q6DSP. This backend > + driver will communicate the required settings to the QC USB SND class > + driver for properly enabling the audio stream. Parameters defined > + under this node will carry settings, which will be passed along during > + the QMI stream enable request. > + > +properties: > + compatible: > + enum: > + - qcom,q6usb-dais > + > + iommus: > + maxItems: 1 > + > + "#sound-dai-cells": > + const: 1 > + > + qcom,usb-audio-stream-id: > + description: > + SID for the Q6DSP processor for IOMMU mapping. > + $ref: /schemas/types.yaml#/definitions/uint32 > + > + qcom,usb-audio-intr-num: > + description: > + Desired XHCI interrupter number to use. > + $ref: /schemas/types.yaml#/definitions/uint32 > + > +required: > + - compatible > + - '#sound-dai-cells' Use consistent quotes - either " or ' > + - qcom,usb-audio-intr-num > + > +additionalProperties: false > + > +examples: > + - | > + usbdai: usbd { Generic node name, so: dais Drop also label, not needed/used in example. > + compatible = "qcom,q6usb-dais"; > + #sound-dai-cells = <1>; > + iommus = <&apps_smmu 0x180f 0x0>; > + qcom,usb-audio-stream-id = <0xf>; > + qcom,usb-audio-intr-num = <2>; > + }; Best regards, Krzysztof
