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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/rtc/arm,pl031.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Arm Primecell PL031 Real Time Clock
    8 
    9 select:
   10   properties:
   11     compatible:
   12       contains:
   13         const: arm,pl031
   14   required:
   15     - compatible
   16 
   17 allOf:
   18   - $ref: rtc.yaml#
   19 
   20 maintainers:
   21   - Rob Herring <robh@kernel.org>
   22 
   23 properties:
   24   compatible:
   25     items:
   26       - const: arm,pl031
   27       - const: arm,primecell
   28 
   29   reg:
   30     maxItems: 1
   31 
   32   interrupts:
   33     maxItems: 1
   34 
   35   clocks:
   36     maxItems: 1
   37 
   38   clock-names:
   39     maxItems: 1
   40 
   41   start-year: true
   42 
   43 required:
   44   - compatible
   45   - reg
   46   - clocks
   47   - clock-names
   48 
   49 additionalProperties: false
   50 
   51 examples:
   52   - |
   53     rtc@10017000 {
   54         compatible = "arm,pl031", "arm,primecell";
   55         reg = <0x10017000 0x1000>;
   56         clocks = <&pclk>;
   57         clock-names = "apb_pclk";
   58     };
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