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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/nvmem/rmem.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Reserved Memory Based nvmem Device
    8 
    9 maintainers:
   10   - Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
   11 
   12 allOf:
   13   - $ref: "nvmem.yaml#"
   14 
   15 properties:
   16   compatible:
   17     items:
   18       - enum:
   19           - raspberrypi,bootloader-config
   20       - const: nvmem-rmem
   21 
   22   reg:
   23     maxItems: 1
   24 
   25   no-map:
   26     $ref: /schemas/types.yaml#/definitions/flag
   27     description:
   28       Avoid creating a virtual mapping of the region as part of the OS'
   29       standard mapping of system memory.
   30 
   31 required:
   32   - compatible
   33   - no-map
   34 
   35 unevaluatedProperties: false
   36 
   37 examples:
   38   - |
   39         reserved-memory {
   40                 #address-cells = <1>;
   41                 #size-cells = <1>;
   42 
   43                 blconfig: nvram@10000000 {
   44                         compatible = "raspberrypi,bootloader-config", "nvmem-rmem";
   45                         #address-cells = <1>;
   46                         #size-cells = <1>;
   47                         reg = <0x10000000 0x1000>;
   48                         no-map;
   49                 };
   50         };
   51 
   52 ...
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