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       - nxp,pca9571
  17
  18   reg:
  19     maxItems: 1
  20
  21   gpio-controller: true
  22
  23   '#gpio-cells':
  24     const: 2
  25
  26 required:
  27   - compatible
  28   - reg
  29   - gpio-controller
  30   - "#gpio-cells"
  31
  32 additionalProperties: false
  33
  34 examples:
  35   - |
  36     i2c0 {
  37         #address-cells = <1>;
  38         #size-cells = <0>;
  39
  40         gpio@24 {
  41             compatible = "nxp,pca9570";
  42             reg = <0x24>;
  43             gpio-controller;
  44             #gpio-cells = <2>;
  45         };
  46     };
  47
  48 ...