dt-bindings: gpio: Add bindings for Toshiba Visconti GPIO Controller

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

%YAML 1.2

---

$id: http://devicetree.org/schemas/gpio/toshiba,gpio-visconti.yaml#

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

title: Toshiba Visconti ARM SoCs GPIO controller

maintainers:

  - Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@toshiba.co.jp>

properties:

  compatible:

    items:

      - const: toshiba,gpio-tmpv7708

  reg:

    maxItems: 1

  "#gpio-cells":

    const: 2

  gpio-ranges: true

  gpio-controller: true

  interrupt-controller: true

  "#interrupt-cells":

    const: 2

  interrupts:

    description:

      interrupt mapping one per GPIO.

    minItems: 16

    maxItems: 16

required:

  - compatible

  - reg

  - "#gpio-cells"

  - gpio-ranges

  - gpio-controller

  - interrupt-controller

  - "#interrupt-cells"

  - interrupt-parent

additionalProperties: false

examples:

  - |

      #include <dt-bindings/interrupt-controller/irq.h>

      #include <dt-bindings/interrupt-controller/arm-gic.h>

      soc {

        #address-cells = <2>;

        #size-cells = <2>;

        gpio: gpio@28020000 {

          compatible = "toshiba,gpio-tmpv7708";

          reg = <0 0x28020000 0 0x1000>;

          #gpio-cells = <0x2>;

          gpio-ranges = <&pmux 0 0 32>;

          gpio-controller;

          interrupt-controller;

          #interrupt-cells = <2>;

          interrupt-parent = <&gic>;

        };

      };

...