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     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 ...
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