Open Menu / Documentation / devicetree / bindings / gpio / microchip,mpfs-gpio.yaml 
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# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/gpio/microchip,mpfs-gpio.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Microchip MPFS GPIO Controller

maintainers:
  - Conor Dooley <conor.dooley@microchip.com>

properties:
  compatible:
    oneOf:
      - items:
          - const: microchip,pic64gx-gpio
          - const: microchip,mpfs-gpio
      - enum:
          - microchip,mpfs-gpio
          - microchip,coregpio-rtl-v3

  reg:
    maxItems: 1

  interrupts:
    description:
      Interrupt mapping, one per GPIO. Maximum 32 GPIOs.
    minItems: 1
    maxItems: 32

  interrupt-controller: true

  clocks:
    maxItems: 1

  resets:
    maxItems: 1

  "#gpio-cells":
    const: 2

  "#interrupt-cells":
    const: 2

  ngpios:
    description:
      The number of GPIOs available.
    minimum: 1
    maximum: 32
    default: 32

  gpio-controller: true
  gpio-line-names: true

patternProperties:
  "^.+-hog(-[0-9]+)?$":
    type: object
    required:
      - gpio-hog

allOf:
  - if:
      properties:
        compatible:
          contains:
            const: microchip,mpfs-gpio
    then:
      properties:
        ngpios:
          enum: [14, 24, 32]
        interrupts:
          minItems: 14
      required:
        - interrupts
        - "#interrupt-cells"
        - interrupt-controller

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

additionalProperties: false

examples:
  - |
    gpio@20122000 {
        compatible = "microchip,mpfs-gpio";
        reg = <0x20122000 0x1000>;
        clocks = <&clkcfg 25>;
        interrupt-parent = <&irqmux>;
        gpio-controller;
        #gpio-cells = <2>;
        ngpios = <32>;
        interrupt-controller;
        #interrupt-cells = <2>;
        interrupts = <64>, <65>, <66>, <67>,
                     <68>, <69>, <70>, <71>,
                     <72>, <73>, <74>, <75>,
                     <76>, <77>, <78>, <79>,
                     <80>, <81>, <82>, <83>,
                     <84>, <85>, <86>, <87>,
                     <88>, <89>, <90>, <91>,
                     <92>, <93>, <94>, <95>;
    };
...