Commit 4737499c authored by John Crispin's avatar John Crispin Committed by Bartosz Golaszewski
Browse files

dt-bindings: arm: airoha: Add binding for Airoha GPIO controller 



Airoha's GPIO controller on their ARM EN7523 SoCs consists of two banks of 32
GPIOs

Reviewed-by: default avatarLinus Walleij <linus.walleij@linaro.org>
Reviewed-by: default avatarRob Herring <robh@kernel.org>
Signed-off-by: default avatarJohn Crispin <john@phrozen.org>
Signed-off-by: default avatarFelix Fietkau <nbd@nbd.name>
[Bartosz: removed stray newline at the end of the file]
Signed-off-by: default avatarBartosz Golaszewski <brgl@bgdev.pl>
parent 8bdc849f

Documentation/devicetree/bindings/gpio/airoha,en7523-gpio.yaml

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

%YAML 1.2

---

$id: http://devicetree.org/schemas/gpio/airoha,en7523-gpio.yaml#

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



title: Airoha EN7523 GPIO controller



maintainers:

  - John Crispin <john@phrozen.org>



description: |

  Airoha's GPIO controller on their ARM EN7523 SoCs consists of two banks of 32

  GPIOs.



properties:

  $nodename:

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



  compatible:

    items:

      - const: airoha,en7523-gpio



  reg:

    description: |

      The first tuple points to the input register.

      The second and third tuple point to the direction registers

      The fourth tuple points to the output register

    maxItems: 4



  "#gpio-cells":

    const: 2



  gpio-controller: true



required:

  - compatible

  - reg

  - "#gpio-cells"

  - gpio-controller



additionalProperties: false



examples:

  - |

    gpio0: gpio@1fbf0200 {

        compatible = "airoha,en7523-gpio";

        reg = <0x1fbf0204 0x4>,

              <0x1fbf0200 0x4>,

              <0x1fbf0220 0x4>,

              <0x1fbf0214 0x4>;

        gpio-controller;

        #gpio-cells = <2>;

    };



    gpio1: gpio@1fbf0270 {

        compatible = "airoha,en7523-gpio";

        reg = <0x1fbf0270 0x4>,

              <0x1fbf0260 0x4>,

              <0x1fbf0264 0x4>,

              <0x1fbf0278 0x4>;

        gpio-controller;

        #gpio-cells = <2>;

    };



...