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
  21 properties:
  22   compatible:
  23     items:
  24       - const: dell,wyse-ariel-ec-input
  25       - const: ene,kb3930-input
  26
  27   reg:
  28     maxItems: 1
  29
  30   interrupts:
  31     maxItems: 1
  32
  33   spi-max-frequency: true
  34
  35 required:
  36   - compatible
  37   - reg
  38   - interrupts
  39
  40 additionalProperties: false
  41
  42 examples:
  43   - |
  44     #include <dt-bindings/interrupt-controller/irq.h>
  45
  46     spi {
  47         #address-cells = <1>;
  48         #size-cells = <0>;
  49
  50         power-button@0 {
  51             compatible = "dell,wyse-ariel-ec-input", "ene,kb3930-input";
  52             reg = <0>;
  53             interrupt-parent = <&gpio>;
  54             interrupts = <60 IRQ_TYPE_EDGE_RISING>;
  55             spi-max-frequency = <33000000>;
  56         };
  57     };