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/redboot-fis.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: RedBoot FLASH Image System (FIS) Partitions
8
9 description: The FLASH Image System (FIS) directory is a flash description
10 format closely associated with the RedBoot boot loader.
11 It uses one single flash eraseblock in the flash to store an index of
12 all images in the flash.
13 This block size will vary depending on flash but is typically
14 32 KB in size.
15
16 maintainers:
17 - Linus Walleij <linus.walleij@linaro.org>
18
19 select: false
20
21 properties:
22 compatible:
23 const: redboot-fis
24
25 fis-index-block:
26 $ref: /schemas/types.yaml#/definitions/uint32
27 description: a index to the eraseblock containing the FIS directory on this
28 device. On a flash memory with 32KB eraseblocks, 0 means the first
29 eraseblock at 0x00000000, 1 means the second eraseblock at 0x00008000 and so on.
30
31 '#address-cells': false
32
33 '#size-cells': false
34
35 required:
36 - compatible
37 - fis-index-block
38
39 additionalProperties: false
40
41 examples:
42 - |
43 flash {
44 partitions {
45 compatible = "redboot-fis";
46 fis-index-block = <0>;
47 };
48 };
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