82 lines
1.7 KiB
YAML
82 lines
1.7 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0-only or BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/input/elan,ekth3000.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Elantech I2C Touchpad
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maintainers:
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- Dmitry Torokhov <dmitry.torokhov@gmail.com>
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allOf:
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- $ref: touchscreen/touchscreen.yaml#
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properties:
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compatible:
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const: elan,ekth3000
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reg:
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maxItems: 1
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interrupts:
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maxItems: 1
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wakeup-source:
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type: boolean
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description: touchpad can be used as a wakeup source
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vcc-supply:
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description: a phandle for the regulator supplying 3.3V power
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elan,trackpoint:
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type: boolean
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description: touchpad can support a trackpoint
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elan,clickpad:
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type: boolean
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description: touchpad is a clickpad (the entire surface is a button)
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elan,middle-button:
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type: boolean
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description: touchpad has a physical middle button
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elan,x_traces:
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$ref: /schemas/types.yaml#/definitions/uint32
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description: number of antennas on the x axis
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elan,y_traces:
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$ref: /schemas/types.yaml#/definitions/uint32
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description: number of antennas on the y axis
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touchscreen-size-x: true
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touchscreen-size-y: true
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touchscreen-x-mm: true
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touchscreen-y-mm: true
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required:
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- compatible
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- reg
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- interrupts
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additionalProperties: false
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examples:
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- |
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#include <dt-bindings/interrupt-controller/irq.h>
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i2c {
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#address-cells = <1>;
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#size-cells = <0>;
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touchpad@15 {
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compatible = "elan,ekth3000";
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reg = <0x15>;
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interrupt-parent = <&gpio4>;
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interrupts = <0x0 IRQ_TYPE_EDGE_FALLING>;
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wakeup-source;
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};
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};
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