Documentation/devicetree/bindings/gpio/adi,ds4520-gpio.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/adi,ds4520-gpio.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: DS4520 I2C GPIO expander
   8
   9 maintainers:
  10   - Okan Sahin <okan.sahin@analog.com>
  11
  12 properties:
  13   compatible:
  14     enum:
  15       - adi,ds4520-gpio
  16
  17   reg:
  18     maxItems: 1
  19
  20   gpio-controller: true
  21
  22   "#gpio-cells":
  23     const: 2
  24
  25   ngpios:
  26     minimum: 1
  27     maximum: 9
  28
  29 required:
  30   - compatible
  31   - reg
  32   - gpio-controller
  33   - "#gpio-cells"
  34   - ngpios
  35
  36 additionalProperties: false
  37
  38 examples:
  39   - |
  40     i2c {
  41         #address-cells = <1>;
  42         #size-cells = <0>;
  43
  44         gpio@50 {
  45             compatible = "adi,ds4520-gpio";
  46             reg = <0x50>;
  47             ngpios = <9>;
  48             gpio-controller;
  49             #gpio-cells = <2>;
  50         };
  51     };