xref: /linux/Documentation/devicetree/bindings/gpio/fsl-imx-gpio.yaml (revision 3a39d672e7f48b8d6b91a09afa4b55352773b4b5)

# SPDX-License-Identifier: GPL-2.0
%YAML 1.2
---
$id: http://devicetree.org/schemas/gpio/fsl-imx-gpio.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Freescale i.MX/MXC GPIO controller

maintainers:
  - Shawn Guo <shawnguo@kernel.org>
  - Sascha Hauer <s.hauer@pengutronix.de>
  - Fabio Estevam <festevam@gmail.com>

properties:
  compatible:
    oneOf:
      - enum:
          - fsl,imx1-gpio
          - fsl,imx21-gpio
          - fsl,imx31-gpio
          - fsl,imx35-gpio
          - fsl,imx7d-gpio
      - items:
          - enum:
              - fsl,imx27-gpio
          - const: fsl,imx21-gpio
      - items:
          - const: fsl,imx35-gpio
          - const: fsl,imx31-gpio
      - items:
          - enum:
              - fsl,imx25-gpio
          - const: fsl,imx35-gpio
      - items:
          - enum:
              - fsl,imx50-gpio
              - fsl,imx51-gpio
              - fsl,imx53-gpio
              - fsl,imx6q-gpio
              - fsl,imx6sl-gpio
              - fsl,imx6sll-gpio
              - fsl,imx6sx-gpio
              - fsl,imx6ul-gpio
              - fsl,imx7d-gpio
              - fsl,imx8dxl-gpio
              - fsl,imx8mm-gpio
              - fsl,imx8mn-gpio
              - fsl,imx8mp-gpio
              - fsl,imx8mq-gpio
              - fsl,imx8qm-gpio
              - fsl,imx8qxp-gpio
              - fsl,imxrt1050-gpio
              - fsl,imxrt1170-gpio
          - const: fsl,imx35-gpio

  reg:
    maxItems: 1

  interrupts:
    description: |
      Should be the port interrupt shared by all 32 pins, if one number.
      If two numbers, the first one is the interrupt shared by low 16 pins
      and the second one is for high 16 pins.
    minItems: 1
    maxItems: 2

  interrupt-controller: true

  "#interrupt-cells":
    const: 2

  clocks:
    maxItems: 1

  "#gpio-cells":
    const: 2

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

  power-domains:
    maxItems: 1

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

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

additionalProperties: false

examples:
  - |
    gpio0: gpio@73f84000 {
        compatible = "fsl,imx35-gpio";
        reg = <0x73f84000 0x4000>;
        interrupts = <50 51>;
        gpio-controller;
        #gpio-cells = <2>;
        interrupt-controller;
        #interrupt-cells = <2>;
    };

...