Documentation/devicetree/bindings/gpio/atmel,at91rm9200-gpio.yaml

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/gpio/atmel,at91rm9200-gpio.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Microchip GPIO controller (PIO)

maintainers:
  - Manikandan Muralidharan <manikandan.m@microchip.com>

properties:
  compatible:
    oneOf:
      - items:
          - enum:
              - atmel,at91sam9x5-gpio
              - microchip,sam9x60-gpio
          - const: atmel,at91rm9200-gpio
      - items:
          - enum:
              - microchip,sam9x7-gpio
          - const: microchip,sam9x60-gpio
          - const: atmel,at91rm9200-gpio
      - items:
          - const: atmel,at91rm9200-gpio

  reg:
    maxItems: 1

  interrupts:
    maxItems: 1

  interrupt-controller: true

  "#interrupt-cells":
    const: 2

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

  "#gpio-cells":
    const: 2

  clocks:
    maxItems: 1

  "#gpio-lines":
    description:
      Number of gpio, 32 by default if absent
    maxItems: 1
    default: 32

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

additionalProperties: false

examples:
  - |
    #include <dt-bindings/clock/at91.h>
    #include <dt-bindings/interrupt-controller/irq.h>

    gpio@fffff400 {
            compatible = "atmel,at91rm9200-gpio";
            reg = <0xfffff400 0x200>;
            interrupts = <2 IRQ_TYPE_LEVEL_HIGH 1>;
            #gpio-cells = <2>;
            gpio-controller;
            interrupt-controller;
            #interrupt-cells = <2>;
            clocks = <&pmc PMC_TYPE_PERIPHERAL 2>;
    };
...