Commit dfb60401 authored by Andreas Kemnade's avatar Andreas Kemnade Committed by Dmitry Torokhov
Browse files

dt-bindings: touchscreen: convert elan,ektf2127 to json-schema 



Convert EKTF2127 infrared touchscreen controller binding to DT schema
and add ektf2232 compatible.

Signed-off-by: default avatarAndreas Kemnade <andreas@kemnade.info>
Reviewed-by: default avatarKrzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240621224022.1620897-2-andreas@kemnade.info


Signed-off-by: default avatarDmitry Torokhov <dmitry.torokhov@gmail.com>
parent 50717edb

Documentation/devicetree/bindings/input/touchscreen/ektf2127.txt

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* Elan eKTF2127 I2C touchscreen controller



Required properties:

 - compatible		  : "elan,ektf2127" or "elan,ektf2132"

 - reg			  : I2C slave address of the chip (0x40)

 - interrupts		  : interrupt specification for the ektf2127 interrupt

 - power-gpios		  : GPIO specification for the pin connected to the

			    ektf2127's wake input. This needs to be driven high

			    to take ektf2127 out of its low power state



For additional optional properties see: touchscreen.txt



Example:



i2c@00000000 {

	ektf2127: touchscreen@15 {

		compatible = "elan,ektf2127";

		reg = <0x15>;

		interrupt-parent = <&pio>;

		interrupts = <6 11 IRQ_TYPE_EDGE_FALLING>

		power-gpios = <&pio 1 3 GPIO_ACTIVE_HIGH>;

		touchscreen-inverted-x;

		touchscreen-swapped-x-y;

	};

};

Documentation/devicetree/bindings/input/touchscreen/elan,ektf2127.yaml

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

%YAML 1.2

---

$id: http://devicetree.org/schemas/input/touchscreen/elan,ektf2127.yaml#

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



title: Elan eKTF2127 I2C touchscreen controller



maintainers:

  - Siebren Vroegindeweij <siebren.vroegindeweij@hotmail.com>



allOf:

  - $ref: touchscreen.yaml#



properties:

  compatible:

    enum:

      - elan,ektf2127

      - elan,ektf2132



  reg:

    maxItems: 1



  interrupts:

    maxItems: 1



  power-gpios:

    maxItems: 1



required:

  - compatible

  - reg

  - interrupts

  - power-gpios



unevaluatedProperties: false



examples:

  - |

    #include <dt-bindings/gpio/gpio.h>

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



    i2c {

        #address-cells = <1>;

        #size-cells = <0>;



        touchscreen@15 {

            compatible = "elan,ektf2127";

            reg = <0x15>;

            interrupt-parent = <&pio>;

            interrupts = <6 11 IRQ_TYPE_EDGE_FALLING>;

            power-gpios = <&pio 1 3 GPIO_ACTIVE_HIGH>;

            touchscreen-inverted-x;

            touchscreen-swapped-x-y;

        };

    };

...