1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/mtd/partitions/linksys,ns-partitions.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Linksys Northstar partitioning
8
9 description: |
10 Linksys devices based on Broadcom Northstar architecture often use two
11 firmware partitions. One is used for regular booting, the other is treated as
12 fallback.
13
14 This binding allows defining all fixed partitions and marking those containing
15 firmware. System can use that information e.g. for booting or flashing
16 purposes.
17
18 maintainers:
19 - Rafał Miłecki <rafal@milecki.pl>
20
21 properties:
22 compatible:
23 const: linksys,ns-partitions
24
25 "#address-cells":
26 enum: [ 1, 2 ]
27
28 "#size-cells":
29 enum: [ 1, 2 ]
30
31 patternProperties:
32 "^partition@[0-9a-f]+$":
33 $ref: "partition.yaml#"
34 properties:
35 compatible:
36 items:
37 - const: linksys,ns-firmware
38 - const: brcm,trx
39 unevaluatedProperties: false
40
41 required:
42 - "#address-cells"
43 - "#size-cells"
44
45 additionalProperties: false
46
47 examples:
48 - |
49 partitions {
50 compatible = "linksys,ns-partitions";
51 #address-cells = <1>;
52 #size-cells = <1>;
53
54 partition@0 {
55 label = "boot";
56 reg = <0x0 0x100000>;
57 read-only;
58 };
59
60 partition@100000 {
61 label = "nvram";
62 reg = <0x100000 0x100000>;
63 };
64
65 partition@200000 {
66 compatible = "linksys,ns-firmware", "brcm,trx";
67 reg = <0x200000 0xf00000>;
68 };
69
70 partition@1100000 {
71 compatible = "linksys,ns-firmware", "brcm,trx";
72 reg = <0x1100000 0xf00000>;
73 };
74 };
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