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 <[email protected]>
  11   - Srinivas Kandagatla <[email protected]>
  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   reset-gpios:
  32     description: Powerdown/Shutdown line to use (pin SD_N)
  33     maxItems: 1
  34
  35   '#sound-dai-cells':
  36     const: 0
  37
  38   vdd-1p8-supply: true
  39   vdd-io-supply: true
  40
  41 required:
  42   - compatible
  43   - reg
  44   - '#sound-dai-cells'
  45   - vdd-1p8-supply
  46   - vdd-io-supply
  47
  48 oneOf:
  49   - required:
  50       - powerdown-gpios
  51   - required:
  52       - reset-gpios
  53
  54 unevaluatedProperties: false
  55
  56 examples:
  57   - |
  58     #include <dt-bindings/gpio/gpio.h>
  59
  60     soundwire {
  61         #address-cells = <2>;
  62         #size-cells = <0>;
  63
  64         speaker@0,1 {
  65             compatible = "sdw20217020400";
  66             reg = <0 1>;
  67             pinctrl-names = "default";
  68             pinctrl-0 = <&spkr_2_sd_n_active>;
  69             powerdown-gpios = <&lpass_tlmm 18 GPIO_ACTIVE_LOW>;
  70             #sound-dai-cells = <0>;
  71             sound-name-prefix = "SpkrRight";
  72             vdd-1p8-supply = <&vreg_l15b_1p8>;
  73             vdd-io-supply = <&vreg_l3g_1p2>;
  74         };
  75     };