1 # SPDX-License-Identifier: GPL-2.0-only OR BSD 1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
2 %YAML 1.2 2 %YAML 1.2
3 --- 3 ---
4 $id: http://devicetree.org/schemas/mtd/partiti 4 $id: http://devicetree.org/schemas/mtd/partitions/linux,ubi.yaml#
5 $schema: http://devicetree.org/meta-schemas/co 5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6 6
7 title: Unsorted Block Images 7 title: Unsorted Block Images
8 8
9 description: | 9 description: |
10 UBI ("Unsorted Block Images") is a volume ma 10 UBI ("Unsorted Block Images") is a volume management system for raw
11 flash devices which manages multiple logical 11 flash devices which manages multiple logical volumes on a single
12 physical flash device and spreads the I/O lo 12 physical flash device and spreads the I/O load (i.e wear-leveling)
13 across the whole flash chip. 13 across the whole flash chip.
14 14
15 maintainers: 15 maintainers:
16 - Daniel Golle <daniel@makrotopia.org> 16 - Daniel Golle <daniel@makrotopia.org>
17 17
18 allOf: 18 allOf:
19 - $ref: partition.yaml# 19 - $ref: partition.yaml#
20 20
21 properties: 21 properties:
22 compatible: 22 compatible:
23 const: linux,ubi 23 const: linux,ubi
24 24
25 volumes: 25 volumes:
26 type: object 26 type: object
27 description: UBI Volumes 27 description: UBI Volumes
28 28
29 patternProperties: 29 patternProperties:
30 "^ubi-volume-.*$": 30 "^ubi-volume-.*$":
31 $ref: /schemas/mtd/partitions/ubi-volu 31 $ref: /schemas/mtd/partitions/ubi-volume.yaml#
32 32
33 unevaluatedProperties: false 33 unevaluatedProperties: false
34 34
35 required: 35 required:
36 - compatible 36 - compatible
37 37
38 unevaluatedProperties: false 38 unevaluatedProperties: false
39 39
40 examples: 40 examples:
41 - | 41 - |
42 partitions { 42 partitions {
43 compatible = "fixed-partitions"; 43 compatible = "fixed-partitions";
44 #address-cells = <1>; 44 #address-cells = <1>;
45 #size-cells = <1>; 45 #size-cells = <1>;
46 46
47 partition@0 { 47 partition@0 {
48 reg = <0x0 0x100000>; 48 reg = <0x0 0x100000>;
49 label = "bootloader"; 49 label = "bootloader";
50 read-only; 50 read-only;
51 }; 51 };
52 52
53 partition@100000 { 53 partition@100000 {
54 reg = <0x100000 0x1ff00000>; 54 reg = <0x100000 0x1ff00000>;
55 label = "ubi"; 55 label = "ubi";
56 compatible = "linux,ubi"; 56 compatible = "linux,ubi";
57 57
58 volumes { 58 volumes {
59 ubi-volume-caldata { 59 ubi-volume-caldata {
60 volid = <2>; 60 volid = <2>;
61 volname = "rf"; 61 volname = "rf";
62 62
63 nvmem-layout { 63 nvmem-layout {
64 compatible = "fixed-la 64 compatible = "fixed-layout";
65 #address-cells = <1>; 65 #address-cells = <1>;
66 #size-cells = <1>; 66 #size-cells = <1>;
67 67
68 eeprom@0 { 68 eeprom@0 {
69 reg = <0x0 0x1000> 69 reg = <0x0 0x1000>;
70 }; 70 };
71 }; 71 };
72 }; 72 };
73 }; 73 };
74 }; 74 };
75 }; 75 };
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