Commit 7c06272f authored by Joe Hung's avatar Joe Hung Committed by Dmitry Torokhov
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dt-bindings: input: touchscreen: ilitek_ts_i2c: Add bindings 



Add binding documentation for ILITEK touch devices.

Signed-off-by: default avatarJoe Hung <joe_hung@ilitek.com>
Reviewed-by: default avatarRob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20210324122601.125873-1-joe_hung@ilitek.com


Signed-off-by: default avatarDmitry Torokhov <dmitry.torokhov@gmail.com>
parent cbdb24e5

Documentation/devicetree/bindings/input/touchscreen/ilitek_ts_i2c.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/ilitek_ts_i2c.yaml#

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



title: Ilitek I2C Touchscreen Controller



maintainers:

  - Dmitry Torokhov <dmitry.torokhov@gmail.com>



allOf:

  - $ref: touchscreen.yaml#



properties:

  compatible:

    enum:

      - ilitek,ili2130

      - ilitek,ili2131

      - ilitek,ili2132

      - ilitek,ili2316

      - ilitek,ili2322

      - ilitek,ili2323

      - ilitek,ili2326

      - ilitek,ili2520

      - ilitek,ili2521



  reg:

    const: 0x41



  interrupts:

    maxItems: 1



  reset-gpios:

    maxItems: 1



  wakeup-source:

    type: boolean

    description: touchscreen can be used as a wakeup source.



  touchscreen-size-x: true

  touchscreen-size-y: true

  touchscreen-inverted-x: true

  touchscreen-inverted-y: true

  touchscreen-swapped-x-y: true



additionalProperties: false



required:

  - compatible

  - reg

  - interrupts

  - reset-gpios



examples:

  - |

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

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

    i2c {

        #address-cells = <1>;

        #size-cells = <0>;



        touchscreen@41 {

            compatible = "ilitek,ili2520";

            reg = <0x41>;



            interrupt-parent = <&gpio1>;

            interrupts = <7 IRQ_TYPE_LEVEL_LOW>;

            reset-gpios = <&gpio1 8 GPIO_ACTIVE_LOW>;

            touchscreen-inverted-y;

            wakeup-source;

        };

    };