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# 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 eKTH6915 touchscreen controller
maintainers:
- Douglas Anderson <dianders@chromium.org>
description:
Supports the Elan eKTH6915 touchscreen controller.
This touchscreen controller uses 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
- enum:
- elan,ekth6915
- elan,ekth6a12nay
reg:
const: 0x10
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 {
#address-cells = <1>;
#size-cells = <0>;
touchscreen@10 {
compatible = "elan,ekth5015m", "elan,ekth6915";
reg = <0x10>;
interrupt-parent = <&tlmm>;
interrupts = <9 IRQ_TYPE_LEVEL_LOW>;
reset-gpios = <&tlmm 8 GPIO_ACTIVE_LOW>;
vcc33-supply = <&pp3300_ts>;
};
};
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