Documentation/devicetree/bindings/gpio/fsl,qoriq-gpio.yaml

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

title: Freescale MPC512x/MPC8xxx/QorIQ/Layerscape GPIO controller

maintainers:
  - Frank Li <Frank.Li@nxp.com>

properties:
  compatible:
    oneOf:
      - enum:
          - fsl,mpc5121-gpio
          - fsl,mpc5125-gpio
          - fsl,mpc8349-gpio
          - fsl,mpc8572-gpio
          - fsl,mpc8610-gpio
          - fsl,pq3-gpio
      - items:
          - enum:
              - fsl,ls1021a-gpio
              - fsl,ls1028a-gpio
              - fsl,ls1043a-gpio
              - fsl,ls1046a-gpio
              - fsl,ls1088a-gpio
              - fsl,ls2080a-gpio
          - const: fsl,qoriq-gpio

  reg:
    maxItems: 1

  interrupts:
    maxItems: 1

  "#gpio-cells":
    const: 2

  gpio-controller: true

  interrupt-controller: true

  "#interrupt-cells":
    const: 2

  gpio-line-names:
    minItems: 1
    maxItems: 32

  little-endian:
    $ref: /schemas/types.yaml#/definitions/flag
    description:
      GPIO registers are used as little endian. If not
      present registers are used as big endian by default.

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

additionalProperties: false

examples:
  - |
    gpio@1100 {
        compatible = "fsl,mpc5125-gpio";
        reg = <0x1100 0x080>;
        interrupts = <78 0x8>;
        gpio-controller;
        #gpio-cells = <2>;
    };

  - |
    #include <dt-bindings/interrupt-controller/arm-gic.h>
    gpio@2300000 {
        compatible = "fsl,ls2080a-gpio", "fsl,qoriq-gpio";
        reg = <0x2300000 0x10000>;
        interrupts = <GIC_SPI 36 IRQ_TYPE_LEVEL_HIGH>;
        little-endian;
        gpio-controller;
        #gpio-cells = <2>;
        interrupt-controller;
        #interrupt-cells = <2>;
    };