Documentation/devicetree/bindings/gpio/hisilicon,ascend910-gpio.yaml

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/gpio/hisilicon,ascend910-gpio.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: HiSilicon common GPIO controller

maintainers:
  - Jay Fang <f.fangjian@huawei.com>

description:
  The HiSilicon common GPIO controller can be used for many different
  types of SoC such as Huawei Ascend AI series chips.

properties:
  compatible:
    const: hisilicon,ascend910-gpio

  reg:
    maxItems: 1

  interrupts:
    maxItems: 1

  gpio-controller: true

  "#gpio-cells":
    const: 2

  ngpios:
    minimum: 1
    maximum: 32

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

additionalProperties: false

examples:
  - |
    #include <dt-bindings/interrupt-controller/arm-gic.h>

    gpio@840d0000 {
      compatible = "hisilicon,ascend910-gpio";
      reg = <0x840d0000 0x1000>;
      ngpios = <32>;
      gpio-controller;
      #gpio-cells = <2>;
      interrupts = <GIC_SPI 33 IRQ_TYPE_LEVEL_HIGH>;
    };