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# SPDX-License-Identifier: (GPL-2.0-or-later OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/input/ariel-pwrbutton.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Dell Wyse 3020 a.k.a. "Ariel" Power Button
maintainers:
- Lubomir Rintel <lkundrak@v3.sk>
description: |
The ENE Embedded Controller on the Ariel board has an interface to the
SPI bus that is capable of sending keyboard and mouse data. A single
power button is attached to it. This binding describes this
configuration.
allOf:
- $ref: input.yaml#
- $ref: /schemas/spi/spi-peripheral-props.yaml#
properties:
compatible:
items:
- const: dell,wyse-ariel-ec-input
- const: ene,kb3930-input
reg:
maxItems: 1
interrupts:
maxItems: 1
spi-max-frequency: true
required:
- compatible
- reg
- interrupts
additionalProperties: false
examples:
- |
#include <dt-bindings/interrupt-controller/irq.h>
spi {
#address-cells = <1>;
#size-cells = <0>;
power-button@0 {
compatible = "dell,wyse-ariel-ec-input", "ene,kb3930-input";
reg = <0>;
interrupt-parent = <&gpio>;
interrupts = <60 IRQ_TYPE_EDGE_RISING>;
spi-max-frequency = <33000000>;
};
};
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