qcom,wsa881x.yaml

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    1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/sound/qcom,wsa881x.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Bindings for Qualcomm WSA8810/WSA8815 Class-D Smart Speaker Amplifier
    8 
    9 maintainers:
   10   - Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
   11 
   12 description: |
   13   WSA8810 is a class-D smart speaker amplifier and WSA8815
   14   is a high-output power class-D smart speaker amplifier.
   15   Their primary operating mode uses a SoundWire digital audio
   16   interface. This binding is for SoundWire interface.
   17 
   18 properties:
   19   compatible:
   20     const: sdw10217201000
   21 
   22   reg:
   23     maxItems: 1
   24 
   25   powerdown-gpios:
   26     description: GPIO spec for Powerdown/Shutdown line to use
   27     maxItems: 1
   28 
   29   '#thermal-sensor-cells':
   30     const: 0
   31 
   32   '#sound-dai-cells':
   33     const: 0
   34 
   35 required:
   36   - compatible
   37   - reg
   38   - powerdown-gpios
   39   - "#thermal-sensor-cells"
   40   - "#sound-dai-cells"
   41 
   42 additionalProperties: false
   43 
   44 examples:
   45   - |
   46     soundwire@c2d0000 {
   47         #address-cells = <2>;
   48         #size-cells = <0>;
   49         reg = <0x0c2d0000 0x2000>;
   50 
   51         speaker@0,1 {
   52             compatible = "sdw10217201000";
   53             reg = <0 1>;
   54             powerdown-gpios = <&wcdpinctrl 2 0>;
   55             #thermal-sensor-cells = <0>;
   56             #sound-dai-cells = <0>;
   57         };
   58 
   59         speaker@0,2 {
   60             compatible = "sdw10217201000";
   61             reg = <0 2>;
   62             powerdown-gpios = <&wcdpinctrl 2 0>;
   63             #thermal-sensor-cells = <0>;
   64             #sound-dai-cells = <0>;
   65         };
   66     };
   67 
   68 ...

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sys/contrib/device-tree/Bindings/sound/qcom,wsa881x.yaml