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 properties:
  13   '#sound-dai-cells':
  14     const: 0
  15
  16   compatible:
  17     const: wlf,wm8940
  18
  19   reg:
  20     maxItems: 1
  21
  22   spi-max-frequency:
  23     maximum: 526000
  24
  25 required:
  26   - '#sound-dai-cells'
  27   - compatible
  28   - reg
  29
  30 additionalProperties: false
  31
  32 examples:
  33   - |
  34     spi {
  35         #address-cells = <1>;
  36         #size-cells = <0>;
  37
  38         codec@0 {
  39             #sound-dai-cells = <0>;
  40             compatible = "wlf,wm8940";
  41             reg = <0>;
  42             spi-max-frequency = <500000>;
  43         };
  44     };
  45   - |
  46     i2c {
  47         #address-cells = <1>;
  48         #size-cells = <0>;
  49
  50         codec@1a {
  51             #sound-dai-cells = <0>;
  52             compatible = "wlf,wm8940";
  53             reg = <0x1a>;
  54         };
  55     };
  56
  57 ...