Documentation / devicetree / bindings / input / touchscreen / eeti,exc3000.yaml


Based on kernel version 6.18. Page generated on 2025-12-02 09:03 EST.

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# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/input/touchscreen/eeti,exc3000.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: EETI EXC3000 series touchscreen controller

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

properties:
  compatible:
    oneOf:
      - const: eeti,exc3000
      - const: eeti,exc80h60
      - const: eeti,exc80h84
      - const: eeti,egalax_ts # Do NOT use for new binding
      - const: eeti,exc3000-i2c
        deprecated: true
      - items:
          - enum:
              - eeti,exc81w32
          - const: eeti,exc80h84
  reg:
    enum: [0x4, 0xa, 0x2a]
  interrupts:
    maxItems: 1
  reset-gpios:
    maxItems: 1
  wakeup-gpios:
    maxItems: 1
  vdd-supply:
    description: Power supply regulator for the chip
  attn-gpios:
    deprecated: true
    maxItems: 1
    description: Phandle to a GPIO to check whether interrupt is still
                 latched. This is necessary for platforms that lack
                 support for level-triggered IRQs.
  touchscreen-size-x: true
  touchscreen-size-y: true
  touchscreen-inverted-x: true
  touchscreen-inverted-y: true
  touchscreen-swapped-x-y: true

required:
  - compatible
  - reg
  - interrupts

additionalProperties: false

allOf:
  - $ref: touchscreen.yaml#

  - if:
      properties:
        compatible:
          not:
            contains:
              enum:
                - eeti,egalax_ts
                - eeti,exc3000-i2c
    then:
      properties:
        reg:
          const: 0x2a

        wakeup-gpios: false

        attn-gpios: false

      required:
        - touchscreen-size-x
        - touchscreen-size-y

examples:
  - |
    #include "dt-bindings/interrupt-controller/irq.h"
    i2c {
        #address-cells = <1>;
        #size-cells = <0>;
        touchscreen@2a {
                compatible = "eeti,exc3000";
                reg = <0x2a>;
                interrupt-parent = <&gpio1>;
                interrupts = <9 IRQ_TYPE_LEVEL_LOW>;
                touchscreen-size-x = <4096>;
                touchscreen-size-y = <4096>;
                touchscreen-inverted-x;
                touchscreen-swapped-x-y;
        };
    };