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   qcom,port-mapping:
  36     description: |
  37       Specifies static port mapping between slave and master ports.
  38       In the order of slave port index.
  39     $ref: /schemas/types.yaml#/definitions/uint32-array
  40     minItems: 4
  41     maxItems: 4
  42
  43   '#thermal-sensor-cells':
  44     const: 0
  45
  46   '#sound-dai-cells':
  47     const: 0
  48
  49 required:
  50   - compatible
  51   - reg
  52   - vdd-supply
  53   - powerdown-gpios
  54   - "#thermal-sensor-cells"
  55   - "#sound-dai-cells"
  56
  57 unevaluatedProperties: false
  58
  59 examples:
  60   - |
  61     #include <dt-bindings/gpio/gpio.h>
  62
  63     soundwire@3250000 {
  64         #address-cells = <2>;
  65         #size-cells = <0>;
  66         reg = <0x3250000 0x2000>;
  67
  68         speaker@0,1 {
  69             compatible = "sdw10217020200";
  70             reg = <0 1>;
  71             powerdown-gpios = <&tlmm 1 GPIO_ACTIVE_LOW>;
  72             vdd-supply = <&vreg_s10b_1p8>;
  73             #thermal-sensor-cells = <0>;
  74             #sound-dai-cells = <0>;
  75             sound-name-prefix = "SpkrLeft";
  76         };
  77
  78         speaker@0,2 {
  79             compatible = "sdw10217020200";
  80             reg = <0 2>;
  81             powerdown-gpios = <&tlmm 89 GPIO_ACTIVE_LOW>;
  82             vdd-supply = <&vreg_s10b_1p8>;
  83             #thermal-sensor-cells = <0>;
  84             #sound-dai-cells = <0>;
  85             sound-name-prefix = "SpkrRight";
  86         };
  87     };
  88
  89 ...