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     1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/gpio/pl061-gpio.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: ARM PL061 GPIO controller
    8 
    9 maintainers:
   10   - Linus Walleij <linus.walleij@linaro.org>
   11   - Rob Herring <robh@kernel.org>
   12 
   13 # We need a select here so we don't match all nodes with 'arm,primecell'
   14 select:
   15   properties:
   16     compatible:
   17       contains:
   18         const: arm,pl061
   19   required:
   20     - compatible
   21 
   22 properties:
   23   $nodename:
   24     pattern: "^gpio@[0-9a-f]+$"
   25 
   26   compatible:
   27     items:
   28       - const: arm,pl061
   29       - const: arm,primecell
   30 
   31   reg:
   32     maxItems: 1
   33 
   34   interrupts:
   35     oneOf:
   36       - maxItems: 1
   37       - maxItems: 8
   38 
   39   interrupt-controller: true
   40 
   41   "#interrupt-cells":
   42     const: 2
   43 
   44   clocks:
   45     maxItems: 1
   46 
   47   clock-names: true
   48 
   49   "#gpio-cells":
   50     const: 2
   51 
   52   gpio-controller: true
   53 
   54   gpio-line-names: true
   55 
   56   gpio-ranges:
   57     minItems: 1
   58     maxItems: 8
   59 
   60 required:
   61   - compatible
   62   - reg
   63   - interrupts
   64   - interrupt-controller
   65   - "#interrupt-cells"
   66   - clocks
   67   - "#gpio-cells"
   68   - gpio-controller
   69 
   70 additionalProperties: false
   71 
   72 ...
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