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
7title: Reserved Memory Based nvmem Device
8
9maintainers:
10  - Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
11
12allOf:
13  - $ref: "nvmem.yaml#"
14
15properties:
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
28required:
29  - compatible
30  - no-map
31
32unevaluatedProperties: false
33
34examples:
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...
50