Commit 82388cb2 authored by Rob Herring (Arm)'s avatar Rob Herring (Arm) Committed by Bartosz Golaszewski
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dt-bindings: gpio: Convert microchip,pic32mzda-gpio to DT schema 



Convert the Microchip PIC32 GPIO binding to DT schema format. It's a
straight forward conversion.

Signed-off-by: default avatarRob Herring (Arm) <robh@kernel.org>
Link: https://lore.kernel.org/r/20250714202807.3010652-1-robh@kernel.org


Signed-off-by: default avatarBartosz Golaszewski <bartosz.golaszewski@linaro.org>
parent 2ae9b289

Documentation/devicetree/bindings/gpio/microchip,pic32-gpio.txt

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* Microchip PIC32 GPIO devices (PIO).



Required properties:

 - compatible: "microchip,pic32mzda-gpio"

 - reg: Base address and length for the device.

 - interrupts: The port interrupt shared by all pins.

 - gpio-controller: Marks the port as GPIO controller.

 - #gpio-cells: Two. The first cell is the pin number and

   the second cell is used to specify the gpio polarity as defined in

   defined in <dt-bindings/gpio/gpio.h>:

      0 = GPIO_ACTIVE_HIGH

      1 = GPIO_ACTIVE_LOW

      2 = GPIO_OPEN_DRAIN

 - interrupt-controller: Marks the device node as an interrupt controller.

 - #interrupt-cells: Two. The first cell is the GPIO number and second cell

   is used to specify the trigger type as defined in

   <dt-bindings/interrupt-controller/irq.h>:

      IRQ_TYPE_EDGE_RISING

      IRQ_TYPE_EDGE_FALLING

      IRQ_TYPE_EDGE_BOTH

 - clocks: Clock specifier (see clock bindings for details).

 - microchip,gpio-bank: Specifies which bank a controller owns.

 - gpio-ranges: Interaction with the PINCTRL subsystem.



Example:



/* PORTA */

gpio0: gpio0@1f860000 {

	compatible = "microchip,pic32mzda-gpio";

	reg = <0x1f860000 0x100>;

	interrupts = <118 IRQ_TYPE_LEVEL_HIGH>;

	#gpio-cells = <2>;

	gpio-controller;

	interrupt-controller;

	#interrupt-cells = <2>;

	clocks = <&rootclk PB4CLK>;

	microchip,gpio-bank = <0>;

	gpio-ranges = <&pic32_pinctrl 0 0 16>;

};



keys {

	...



	button@sw1 {

		label = "ESC";

		linux,code = <1>;

		gpios = <&gpio0 12 0>;

	};

};

Documentation/devicetree/bindings/gpio/microchip,pic32mzda-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/microchip,pic32mzda-gpio.yaml#

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



title: Microchip PIC32 GPIO controller



maintainers:

  - Joshua Henderson <joshua.henderson@microchip.com>

  - Purna Chandra Mandal <purna.mandal@microchip.com>



properties:

  compatible:

    const: microchip,pic32mzda-gpio



  reg:

    maxItems: 1



  gpio-controller: true



  gpio-ranges: true



  "#gpio-cells":

    const: 2



  interrupts:

    maxItems: 1



  interrupt-controller: true



  "#interrupt-cells":

    const: 2



  clocks:

    maxItems: 1



  microchip,gpio-bank:

    description: Bank index owned by the controller

    $ref: /schemas/types.yaml#/definitions/uint32



required:

  - compatible

  - reg

  - gpio-controller

  - gpio-ranges

  - "#gpio-cells"

  - interrupts

  - interrupt-controller

  - "#interrupt-cells"

  - clocks

  - microchip,gpio-bank



additionalProperties: false



examples:

  - |

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



    gpio@1f860000 {

        compatible = "microchip,pic32mzda-gpio";

        reg = <0x1f860000 0x100>;

        interrupts = <118 IRQ_TYPE_LEVEL_HIGH>;

        #gpio-cells = <2>;

        gpio-controller;

        interrupt-controller;

        #interrupt-cells = <2>;

        clocks = <&rootclk 11>;

        microchip,gpio-bank = <0>;

        gpio-ranges = <&pic32_pinctrl 0 0 16>;

    };