xref: /linux/Documentation/devicetree/bindings/input/parade,tc3408.yaml (revision 429e6c7f90d12a8551b3eaa9faca7cfaefd99b1d)

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/input/parade,tc3408.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Parade TC3408 touchscreen controller

maintainers:
  - Langyan Ye <yelangyan@huaqin.corp-partner.google.com>

description: |
  Parade TC3408 is a touchscreen controller supporting the I2C-HID protocol.
  It requires a reset GPIO and two power supplies (3.3V and 1.8V).

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

properties:
  compatible:
    const: parade,tc3408

  reg:
    maxItems: 1

  interrupts:
    maxItems: 1

  reset-gpios:
    maxItems: 1

  vcc33-supply:
    description: The 3.3V supply to the touchscreen.

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

required:
  - compatible
  - reg
  - interrupts
  - reset-gpios
  - vcc33-supply
  - vccio-supply

unevaluatedProperties: false

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

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

      touchscreen: touchscreen@24 {
        compatible = "parade,tc3408";
        reg = <0x24>;

        interrupt-parent = <&pio>;
        interrupts = <15 IRQ_TYPE_LEVEL_LOW>;

        reset-gpios = <&pio 126 GPIO_ACTIVE_LOW>;
        vcc33-supply = <&pp3300_tchscr_x>;
        vccio-supply = <&pp1800_tchscr_report_disable>;
      };
    };