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       - dlg,slg7xl45106
  16       - nxp,pca9570
  17       - nxp,pca9571
  18
  19   reg:
  20     maxItems: 1
  21
  22   gpio-controller: true
  23
  24   '#gpio-cells':
  25     const: 2
  26
  27   gpio-line-names:
  28     minItems: 4
  29     maxItems: 8
  30
  31   label:
  32     description: A descriptive name for this device.
  33
  34 required:
  35   - compatible
  36   - reg
  37   - gpio-controller
  38   - "#gpio-cells"
  39
  40 additionalProperties: false
  41
  42 examples:
  43   - |
  44     i2c {
  45         #address-cells = <1>;
  46         #size-cells = <0>;
  47
  48         gpio@24 {
  49             compatible = "nxp,pca9570";
  50             reg = <0x24>;
  51             gpio-controller;
  52             #gpio-cells = <2>;
  53         };
  54     };
  55
  56 ...