1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/nvmem/layouts/fixed-layout.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: NVMEM layout for fixed NVMEM cells
8
9 description:
10 Many NVMEM devices have hardcoded cells layout (offset and size of defined
11 NVMEM content doesn't change).
12
13 This binding allows defining such NVMEM layout with its cells. It can be used
14 on top of any NVMEM device.
15
16 maintainers:
17 - Rafał Miłecki <rafal@milecki.pl>
18
19 properties:
20 compatible:
21 const: fixed-layout
22
23 "#address-cells":
24 const: 1
25
26 "#size-cells":
27 const: 1
28
29 patternProperties:
30 "@[a-f0-9]+$":
31 type: object
32 $ref: fixed-cell.yaml
33 unevaluatedProperties: false
34
35 required:
36 - compatible
37
38 additionalProperties: false
39
40 examples:
41 - |
42 nvmem-layout {
43 compatible = "fixed-layout";
44 #address-cells = <1>;
45 #size-cells = <1>;
46
47 mac@100 {
48 compatible = "mac-base";
49 reg = <0x100 0x6>;
50 #nvmem-cell-cells = <1>;
51 };
52
53 mac@110 {
54 compatible = "mac-base";
55 reg = <0x110 0x11>;
56 #nvmem-cell-cells = <1>;
57 };
58
59 calibration@4000 {
60 reg = <0x4000 0x100>;
61 };
62 };
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