Documentation/devicetree/bindings/sound/qcom,wsa8840.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,wsa8840.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Qualcomm WSA8840/WSA8845/WSA8845H smart speaker amplifier
   8
   9 maintainers:
  10   - Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
  11   - Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
  12
  13 description:
  14   WSA884X is a family of Qualcomm Aqstic smart speaker amplifiers using
  15   SoundWire digital audio interface.
  16
  17 allOf:
  18   - $ref: dai-common.yaml#
  19
  20 properties:
  21   compatible:
  22     const: sdw20217020400
  23
  24   reg:
  25     maxItems: 1
  26
  27   powerdown-gpios:
  28     description: Powerdown/Shutdown line to use (pin SD_N)
  29     maxItems: 1
  30
  31   '#sound-dai-cells':
  32     const: 0
  33
  34   vdd-1p8-supply: true
  35   vdd-io-supply: true
  36
  37 required:
  38   - compatible
  39   - reg
  40   - powerdown-gpios
  41   - '#sound-dai-cells'
  42   - vdd-1p8-supply
  43   - vdd-io-supply
  44
  45 unevaluatedProperties: false
  46
  47 examples:
  48   - |
  49     #include <dt-bindings/gpio/gpio.h>
  50
  51     soundwire-controller {
  52         #address-cells = <2>;
  53         #size-cells = <0>;
  54
  55         speaker@0,1 {
  56             compatible = "sdw20217020400";
  57             reg = <0 1>;
  58             pinctrl-names = "default";
  59             pinctrl-0 = <&spkr_2_sd_n_active>;
  60             powerdown-gpios = <&lpass_tlmm 18 GPIO_ACTIVE_LOW>;
  61             #sound-dai-cells = <0>;
  62             sound-name-prefix = "SpkrRight";
  63             vdd-1p8-supply = <&vreg_l15b_1p8>;
  64             vdd-io-supply = <&vreg_l3g_1p2>;
  65         };
  66     };