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 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Linksys Northstar partitioning
8
9 description: |
10 Linksys devices based on Broadcom Northstar architecture often use two
11 firmware partitions. One is used for regular booting, the other is treated as
12 fallback.
13
14 This binding allows defining all fixed partitions and marking those containing
15 firmware. System can use that information e.g. for booting or flashing
16 purposes.
17
18 maintainers:
19 - Rafał Miłecki <rafal@milecki.pl>
20
21 select: false
22
23 properties:
24 compatible:
25 const: linksys,ns-partitions
26
27 "#address-cells":
28 enum: [ 1, 2 ]
29
30 "#size-cells":
31 enum: [ 1, 2 ]
32
33 patternProperties:
34 "^partition@[0-9a-f]+$":
35 $ref: partition.yaml#
36 properties:
37 compatible:
38 items:
39 - const: linksys,ns-firmware
40 - const: brcm,trx
41 unevaluatedProperties: false
42
43 required:
44 - "#address-cells"
45 - "#size-cells"
46
47 additionalProperties: false
48
49 examples:
50 - |
51 partitions {
52 compatible = "linksys,ns-partitions";
53 #address-cells = <1>;
54 #size-cells = <1>;
55
56 partition@0 {
57 label = "boot";
58 reg = <0x0 0x100000>;
59 read-only;
60 };
61
62 partition@100000 {
63 label = "nvram";
64 reg = <0x100000 0x100000>;
65 };
66
67 partition@200000 {
68 compatible = "linksys,ns-firmware", "brcm,trx";
69 reg = <0x200000 0xf00000>;
70 };
71
72 partition@1100000 {
73 compatible = "linksys,ns-firmware", "brcm,trx";
74 reg = <0x1100000 0xf00000>;
75 };
76 };
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