Documentation/devicetree/bindings/input/ariel-pwrbutton.yaml

   1 # SPDX-License-Identifier: (GPL-2.0-or-later OR BSD-2-Clause)
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/input/ariel-pwrbutton.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Dell Wyse 3020 a.k.a. "Ariel" Power Button
   8
   9 maintainers:
  10   - Lubomir Rintel <lkundrak@v3.sk>
  11
  12 description: |
  13   The ENE Embedded Controller on the Ariel board has an interface to the
  14   SPI bus that is capable of sending keyboard and mouse data. A single
  15   power button is attached to it. This binding describes this
  16   configuration.
  17
  18 allOf:
  19   - $ref: input.yaml#
  20   - $ref: /schemas/spi/spi-peripheral-props.yaml#
  21
  22 properties:
  23   compatible:
  24     items:
  25       - const: dell,wyse-ariel-ec-input
  26       - const: ene,kb3930-input
  27
  28   reg:
  29     maxItems: 1
  30
  31   interrupts:
  32     maxItems: 1
  33
  34   spi-max-frequency: true
  35
  36 required:
  37   - compatible
  38   - reg
  39   - interrupts
  40
  41 additionalProperties: false
  42
  43 examples:
  44   - |
  45     #include <dt-bindings/interrupt-controller/irq.h>
  46
  47     spi {
  48         #address-cells = <1>;
  49         #size-cells = <0>;
  50
  51         power-button@0 {
  52             compatible = "dell,wyse-ariel-ec-input", "ene,kb3930-input";
  53             reg = <0>;
  54             interrupt-parent = <&gpio>;
  55             interrupts = <60 IRQ_TYPE_EDGE_RISING>;
  56             spi-max-frequency = <33000000>;
  57         };
  58     };