Documentation/devicetree/bindings/input/elan,ekth6915.yaml

Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/input/elan,ekth6915.yaml

File Facts

System
Linux kernel
Corpus path
Documentation/devicetree/bindings/input/elan,ekth6915.yaml
Extension
.yaml
Size
1896 bytes
Lines
85
Domain
Support Tooling And Documentation
Bucket
Documentation
Inferred role
Support Tooling And Documentation: configuration, schema, or hardware description
Status
atlas-only

Why This File Exists

Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

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Annotated Snippet

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/input/elan,ekth6915.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Elan I2C-HID touchscreen controllers

maintainers:
  - Douglas Anderson <dianders@chromium.org>

description:
  Supports the Elan eKTH6915 and other I2C-HID touchscreen controllers.
  These touchscreen controller use the i2c-hid protocol with a reset GPIO.

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

properties:
  compatible:
    oneOf:
      - items:
          - enum:
              - elan,ekth5015m
          - const: elan,ekth6915
      - items:
          - const: elan,ekth8d18
          - const: elan,ekth6a12nay
      - enum:
          - elan,ekth6915
          - elan,ekth6a12nay

  reg: true

  interrupts:
    maxItems: 1

  panel: true

  reset-gpios:
    description: Reset GPIO; not all touchscreens using eKTH6915 hook this up.

  no-reset-on-power-off:
    type: boolean
    description:
      Reset line is wired so that it can (and should) be left deasserted when
      the power supply is off.

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

  vccio-supply:
    description:
      The IO supply to the touchscreen. Need not be specified if this is the
      same as the 3.3V supply.

required:
  - compatible
  - reg
  - interrupts
  - vcc33-supply

additionalProperties: false

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

    i2c {

Annotation

Implementation Notes