xref: /kernel/linux/linux-6.6/Documentation/devicetree/bindings/input/touchscreen/st,stmfts.yaml

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

title: ST-Microelectronics FingerTip touchscreen controller

maintainers:
  - Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>

description:
  The ST-Microelectronics FingerTip device provides a basic touchscreen
  functionality. Along with it the user can enable the touchkey which can work
  as a basic HOME and BACK key for phones.

allOf:
  - $ref: touchscreen.yaml#

properties:
  compatible:
    const: st,stmfts

  reg:
    maxItems: 1

  avdd-supply:
    description: Analogic power supply

  interrupts:
    maxItems: 1

  ledvdd-supply:
    description: Power supply to the touch key leds

  touch-key-connected:
    type: boolean
    description: The touchkey feature is connected

  vdd-supply:
    description: Power supply

required:
  - compatible
  - reg
  - avdd-supply
  - interrupts
  - vdd-supply

unevaluatedProperties: false

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

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

        touchscreen@49 {
            compatible = "st,stmfts";
            reg = <0x49>;
            interrupt-parent = <&gpa1>;
            interrupts = <1 IRQ_TYPE_LEVEL_LOW>;
            touchscreen-size-x = <1599>;
            touchscreen-size-y = <2559>;
            touch-key-connected;
            avdd-supply = <&ldo30_reg>;
            vdd-supply = <&ldo31_reg>;
            ledvdd-supply = <&ldo33_reg>;
        };
    };