# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/gpio/loongson,ls1x-gpio.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Loongson-1 GPIO controller

maintainers:
  - Keguang Zhang <keguang.zhang@gmail.com>

properties:
  compatible:
    const: loongson,ls1x-gpio

  reg:
    maxItems: 1

  gpio-controller: true
 
  "#gpio-cells":
    const: 2

  ngpios:
    minimum: 1
    maximum: 32

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

additionalProperties: false

examples:
  - |
    gpio0: gpio@1fd010c0 {
        compatible = "loongson,ls1x-gpio";
        reg = <0x1fd010c0 0x4>;
 
        gpio-controller;
        #gpio-cells = <2>;
 
        ngpios = <32>;
    };
 
...