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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