Documentation/devicetree/bindings/gpio/gpio-virtio.yaml

   1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/gpio/gpio-virtio.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Virtio GPIO controller
   8
   9 maintainers:
  10   - Viresh Kumar <viresh.kumar@linaro.org>
  11
  12 allOf:
  13   - $ref: /schemas/virtio/virtio-device.yaml#
  14
  15 description:
  16   Virtio GPIO controller, see /schemas/virtio/virtio-device.yaml for more
  17   details.
  18
  19 properties:
  20   $nodename:
  21     const: gpio
  22
  23   compatible:
  24     const: virtio,device29
  25
  26   gpio-controller: true
  27
  28   "#gpio-cells":
  29     const: 2
  30
  31   interrupt-controller: true
  32
  33   "#interrupt-cells":
  34     const: 2
  35
  36 required:
  37   - compatible
  38   - gpio-controller
  39   - "#gpio-cells"
  40
  41 unevaluatedProperties: false
  42
  43 examples:
  44   - |
  45     virtio@3000 {
  46         compatible = "virtio,mmio";
  47         reg = <0x3000 0x100>;
  48         interrupts = <41>;
  49
  50         gpio {
  51             compatible = "virtio,device29";
  52             gpio-controller;
  53             #gpio-cells = <2>;
  54             interrupt-controller;
  55             #interrupt-cells = <2>;
  56         };
  57     };
  58
  59 ...