# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/gpio/adi,ds4520-gpio.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: DS4520 I2C GPIO expander

maintainers:
  - Okan Sahin <okan.sahin@analog.com>

properties:
  compatible:
    enum:
      - adi,ds4520-gpio

  reg:
    maxItems: 1

  gpio-controller: true

  "#gpio-cells":
    const: 2

  ngpios:
    minimum: 1
    maximum: 9

required:
  - compatible
  - reg
  - gpio-controller
  - "#gpio-cells"
  - ngpios

additionalProperties: false

examples:
  - |
    i2c {
        #address-cells = <1>;
        #size-cells = <0>;

        gpio@50 {
            compatible = "adi,ds4520-gpio";
            reg = <0x50>;
            ngpios = <9>;
            gpio-controller;
            #gpio-cells = <2>;
        };
    };