xref: /kernel/linux/linux-6.6/Documentation/devicetree/bindings/input/ilitek,ili9882t.yaml

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/input/ilitek,ili9882t.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Ilitek ili9882t touchscreen controller

maintainers:
  - Cong Yang <yangcong5@huaqin.corp-partner.google.com>

description:
  Supports the Ilitek ili9882t touchscreen controller.
  This touchscreen controller uses the i2c-hid protocol with a reset GPIO.

allOf:
  - $ref: /schemas/input/touchscreen/touchscreen.yaml#

properties:
  compatible:
    const: ilitek,ili9882t

  reg:
    const: 0x41

  interrupts:
    maxItems: 1

  panel: true

  reset-gpios:
    maxItems: 1
    description: Reset GPIO.

  vccio-supply:
    description: The 1.8V supply to the touchscreen.

required:
  - compatible
  - reg
  - interrupts
  - panel
  - vccio-supply

additionalProperties: false

examples:
  - |
    #include <dt-bindings/gpio/gpio.h>
    #include <dt-bindings/interrupt-controller/irq.h>

    i2c {
      #address-cells = <1>;
      #size-cells = <0>;

      touchscreen: touchscreen@41 {
        compatible = "ilitek,ili9882t";
        reg = <0x41>;

        interrupt-parent = <&pio>;
        interrupts = <12 IRQ_TYPE_LEVEL_LOW>;

        panel = <&panel>;
        reset-gpios = <&pio 60 GPIO_ACTIVE_LOW>;
        vccio-supply = <&mt6366_vio18_reg>;
      };
    };