dt-bindings: gpio: Convert Arm PL061 to json-schema

ARM PL061 GPIO controller

Required properties:

- compatible : "arm,pl061", "arm,primecell"

- #gpio-cells : Should be two. The first cell is the pin number and the

  second cell is used to specify optional parameters:

  - bit 0 specifies polarity (0 for normal, 1 for inverted)

- gpio-controller : Marks the device node as a GPIO controller.

- interrupts : Interrupt mapping for GPIO IRQ.

- gpio-ranges : Interaction with the PINCTRL subsystem.

# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)

%YAML 1.2

---

$id: http://devicetree.org/schemas/gpio/pl061-gpio.yaml#

$schema: http://devicetree.org/meta-schemas/core.yaml#

title: ARM PL061 GPIO controller

maintainers:

  - Linus Walleij <linus.walleij@linaro.org>

  - Rob Herring <robh@kernel.org>

# We need a select here so we don't match all nodes with 'arm,primecell'

select:

  properties:

    compatible:

      contains:

        const: arm,pl061

  required:

    - compatible

properties:

  $nodename:

    pattern: "^gpio@[0-9a-f]+$"

  compatible:

    items:

      - const: arm,pl061

      - const: arm,primecell

  reg:

    maxItems: 1

  interrupts:

    oneOf:

      - maxItems: 1

      - maxItems: 8

  interrupt-controller: true

  "#interrupt-cells":

    const: 2

  clocks:

    maxItems: 1

  clock-names: true

  "#gpio-cells":

    const: 2

  gpio-controller: true

  gpio-ranges:

    maxItems: 8

required:

  - compatible

  - reg

  - interrupts

  - interrupt-controller

  - "#interrupt-cells"

  - clocks

  - "#gpio-cells"

  - gpio-controller

additionalProperties: false

...