xref: /openbmc/linux/Documentation/devicetree/bindings/gpio/fsl-imx-gpio.yaml (revision bf276877)

# 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:
  - Anson Huang <Anson.Huang@nxp.com>

properties:
  compatible:
    oneOf:
      - enum:
          - fsl,imx1-gpio
          - fsl,imx21-gpio
          - fsl,imx31-gpio
          - fsl,imx35-gpio
          - fsl,imx7d-gpio
      - items:
          - enum:
              - fsl,imx8mm-gpio
              - fsl,imx8mn-gpio
              - fsl,imx8mp-gpio
              - fsl,imx8mq-gpio
              - fsl,imx8qxp-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

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>;
    };

...