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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: "http://devicetree.org/schemas/input/touchscreen/elan,elants_i2c.yaml#"
$schema: "http://devicetree.org/meta-schemas/core.yaml#"
title: Elantech I2C Touchscreen
maintainers:
- David Heidelberg <david@ixit.cz>
allOf:
- $ref: touchscreen.yaml#
properties:
compatible:
oneOf:
- enum:
- elan,ektf3624
- elan,ekth3500
- items:
- const: elan,ekth3915
- const: elan,ekth3500
reg:
maxItems: 1
interrupts:
maxItems: 1
wakeup-source:
type: boolean
description: touchscreen can be used as a wakeup source.
reset-gpios:
maxItems: 1
description: reset gpio the chip is connected to.
vcc33-supply:
description: a phandle for the regulator supplying 3.3V power.
vccio-supply:
description: a phandle for the regulator supplying IO power.
touchscreen-inverted-x: true
touchscreen-inverted-y: true
touchscreen-size-x: true
touchscreen-size-y: true
touchscreen-swapped-x-y: true
additionalProperties: false
required:
- compatible
- reg
- interrupts
examples:
- |
#include <dt-bindings/interrupt-controller/irq.h>
i2c {
#address-cells = <1>;
#size-cells = <0>;
touchscreen@10 {
compatible = "elan,ekth3500";
reg = <0x10>;
interrupt-parent = <&gpio4>;
interrupts = <0x0 IRQ_TYPE_EDGE_FALLING>;
wakeup-source;
};
};
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