Documentation/devicetree/bindings/nvmem/rmem.yaml

   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   no-map:
  23     $ref: /schemas/types.yaml#/definitions/flag
  24     description:
  25       Avoid creating a virtual mapping of the region as part of the OS'
  26       standard mapping of system memory.
  27
  28 required:
  29   - compatible
  30   - no-map
  31
  32 unevaluatedProperties: false
  33
  34 examples:
  35   - |
  36         reserved-memory {
  37                 #address-cells = <1>;
  38                 #size-cells = <1>;
  39
  40                 blconfig: nvram@10000000 {
  41                         compatible = "raspberrypi,bootloader-config", "nvmem-rmem";
  42                         #address-cells = <1>;
  43                         #size-cells = <1>;
  44                         reg = <0x10000000 0x1000>;
  45                         no-map;
  46                 };
  47         };
  48
  49 ...