Documentation/devicetree/bindings/sound/wlf,wm8940.yaml

   1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/sound/wlf,wm8940.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Wolfson WM8940 Codec
   8
   9 maintainers:
  10   - patches@opensource.cirrus.com
  11
  12 allOf:
  13   - $ref: dai-common.yaml#
  14
  15 properties:
  16   '#sound-dai-cells':
  17     const: 0
  18
  19   compatible:
  20     const: wlf,wm8940
  21
  22   reg:
  23     maxItems: 1
  24
  25   spi-max-frequency:
  26     maximum: 526000
  27
  28 required:
  29   - '#sound-dai-cells'
  30   - compatible
  31   - reg
  32
  33 unevaluatedProperties: false
  34
  35 examples:
  36   - |
  37     spi {
  38         #address-cells = <1>;
  39         #size-cells = <0>;
  40
  41         codec@0 {
  42             #sound-dai-cells = <0>;
  43             compatible = "wlf,wm8940";
  44             reg = <0>;
  45             spi-max-frequency = <500000>;
  46         };
  47     };
  48   - |
  49     i2c {
  50         #address-cells = <1>;
  51         #size-cells = <0>;
  52
  53         codec@1a {
  54             #sound-dai-cells = <0>;
  55             compatible = "wlf,wm8940";
  56             reg = <0x1a>;
  57         };
  58     };
  59
  60 ...