Unverified Commit 735806d8 authored by Conor Dooley's avatar Conor Dooley Committed by Palmer Dabbelt
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dt-bindings: gpio: add bindings for microchip mpfs gpio 



Add device tree bindings for the gpio controller on
the Microchip PolarFire SoC.

Reviewed-by: default avatarRob Herring <robh@kernel.org>
Signed-off-by: default avatarConor Dooley <conor.dooley@microchip.com>
Acked-by: default avatarPalmer Dabbelt <palmer@rivosinc.com>
Acked-by: default avatarBartosz Golaszewski <brgl@bgdev.pl>
Signed-off-by: default avatarPalmer Dabbelt <palmer@rivosinc.com>
parent 4cbcc0d7

Documentation/devicetree/bindings/gpio/microchip,mpfs-gpio.yaml

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

%YAML 1.2

---

$id: http://devicetree.org/schemas/gpio/microchip,mpfs-gpio.yaml#

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



title: Microchip MPFS GPIO Controller Device Tree Bindings



maintainers:

  - Conor Dooley <conor.dooley@microchip.com>



properties:

  compatible:

    items:

      - enum:

          - microchip,mpfs-gpio



  reg:

    maxItems: 1



  interrupts:

    description:

      Interrupt mapping, one per GPIO. Maximum 32 GPIOs.

    minItems: 1

    maxItems: 32



  interrupt-controller: true



  clocks:

    maxItems: 1



  "#gpio-cells":

    const: 2



  "#interrupt-cells":

    const: 1



  ngpios:

    description:

      The number of GPIOs available.

    minimum: 1

    maximum: 32

    default: 32



  gpio-controller: true



required:

  - compatible

  - reg

  - interrupts

  - "#interrupt-cells"

  - interrupt-controller

  - "#gpio-cells"

  - gpio-controller

  - clocks



additionalProperties: false



examples:

  - |

    gpio@20122000 {

        compatible = "microchip,mpfs-gpio";

        reg = <0x20122000 0x1000>;

        clocks = <&clkcfg 25>;

        interrupt-parent = <&plic>;

        gpio-controller;

        #gpio-cells = <2>;

        interrupt-controller;

        #interrupt-cells = <1>;

        interrupts = <53>, <53>, <53>, <53>,

                     <53>, <53>, <53>, <53>,

                     <53>, <53>, <53>, <53>,

                     <53>, <53>, <53>, <53>,

                     <53>, <53>, <53>, <53>,

                     <53>, <53>, <53>, <53>,

                     <53>, <53>, <53>, <53>,

                     <53>, <53>, <53>, <53>;

    };

...