Documentation/devicetree/bindings/gpio/gpio-pca9570.yaml

   1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/gpio/gpio-pca9570.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: PCA9570 I2C GPO expander
   8
   9 maintainers:
  10   - Sungbo Eo <mans0n@gorani.run>
  11
  12 properties:
  13   compatible:
  14     enum:
  15       - nxp,pca9570
  16
  17   reg:
  18     maxItems: 1
  19
  20   gpio-controller: true
  21
  22   '#gpio-cells':
  23     const: 2
  24
  25 required:
  26   - compatible
  27   - reg
  28   - gpio-controller
  29   - "#gpio-cells"
  30
  31 additionalProperties: false
  32
  33 examples:
  34   - |
  35     i2c0 {
  36         #address-cells = <1>;
  37         #size-cells = <0>;
  38
  39         gpio@24 {
  40             compatible = "nxp,pca9570";
  41             reg = <0x24>;
  42             gpio-controller;
  43             #gpio-cells = <2>;
  44         };
  45     };
  46
  47 ...