Documentation/devicetree/bindings/sound/qcom,wsa883x.yaml

   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,wsa883x.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Qualcomm WSA8830/WSA8832/WSA8835
   8   smart speaker amplifier
   9
  10 maintainers:
  11   - Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
  12
  13 description: |
  14   WSA883X is the Qualcomm Aqstic smart speaker amplifier
  15   Their primary operating mode uses a SoundWire digital audio
  16   interface. This binding is for SoundWire interface.
  17
  18 allOf:
  19   - $ref: dai-common.yaml#
  20
  21 properties:
  22   compatible:
  23     const: sdw10217020200
  24
  25   reg:
  26     maxItems: 1
  27
  28   powerdown-gpios:
  29     description: GPIO spec for Powerdown/Shutdown line to use (pin SD_N)
  30     maxItems: 1
  31
  32   vdd-supply:
  33     description: VDD Supply for the Codec
  34
  35   '#thermal-sensor-cells':
  36     const: 0
  37
  38   '#sound-dai-cells':
  39     const: 0
  40
  41 required:
  42   - compatible
  43   - reg
  44   - vdd-supply
  45   - powerdown-gpios
  46   - "#thermal-sensor-cells"
  47   - "#sound-dai-cells"
  48
  49 unevaluatedProperties: false
  50
  51 examples:
  52   - |
  53     #include <dt-bindings/gpio/gpio.h>
  54
  55     soundwire-controller@3250000 {
  56         #address-cells = <2>;
  57         #size-cells = <0>;
  58         reg = <0x3250000 0x2000>;
  59
  60         speaker@0,1 {
  61             compatible = "sdw10217020200";
  62             reg = <0 1>;
  63             powerdown-gpios = <&tlmm 1 GPIO_ACTIVE_LOW>;
  64             vdd-supply = <&vreg_s10b_1p8>;
  65             #thermal-sensor-cells = <0>;
  66             #sound-dai-cells = <0>;
  67             sound-name-prefix = "SpkrLeft";
  68         };
  69
  70         speaker@0,2 {
  71             compatible = "sdw10217020200";
  72             reg = <0 2>;
  73             powerdown-gpios = <&tlmm 89 GPIO_ACTIVE_LOW>;
  74             vdd-supply = <&vreg_s10b_1p8>;
  75             #thermal-sensor-cells = <0>;
  76             #sound-dai-cells = <0>;
  77             sound-name-prefix = "SpkrRight";
  78         };
  79     };
  80
  81 ...