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# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/firmware/u-boot,fwu-mdata-mtd.yaml#
$schema: http://devicetree.org/meta-schemas/base.yaml#
title: FWU metadata on MTD device without GPT
maintainers:
- Jassi Brar <jaswinder.singh@linaro.org>
properties:
compatible:
items:
- const: u-boot,fwu-mdata-mtd
fwu-mdata-store:
$ref: /schemas/types.yaml#/definitions/phandle
description: Phandle of the MTD device which contains the FWU MetaData and Banks.
mdata-parts:
$ref: /schemas/types.yaml#/definitions/non-unique-string-array
minItems: 2
maxItems: 2
description: labels of the primary and secondary FWU metadata partitions in the 'fixed-partitions' subnode of the 'jedec,spi-nor' flash device node.
patternProperties:
"fwu-bank[0-9]":
type: object
description: List of FWU mtd-backed banks. Typically two banks.
properties:
id:
$ref: /schemas/types.yaml#/definitions/uint32
description: Index of the bank.
label:
$ref: /schemas/types.yaml#/definitions/non-unique-string-array
minItems: 1
maxItems: 1
description: label of the partition, in the 'fixed-partitions' subnode of the 'jedec,spi-nor' flash device node, that holds this bank.
patternProperties:
"fwu-image[0-9]":
type: object
description: List of images in the FWU mtd-backed bank.
properties:
id:
$ref: /schemas/types.yaml#/definitions/uint32
description: Index of the bank.
offset:
$ref: /schemas/types.yaml#/definitions/uint32
description: Offset, from start of the bank, where the image is located.
size:
$ref: /schemas/types.yaml#/definitions/uint32
description: Size reserved for the image.
uuid:
$ref: /schemas/types.yaml#/definitions/non-unique-string-array
minItems: 1
maxItems: 1
description: UUID of the image.
required:
- id
- offset
- size
- uuid
additionalProperties: false
required:
- id
- label
- fwu-images
additionalProperties: false
required:
- compatible
- fwu-mdata-store
- mdata-parts
- fwu-banks
additionalProperties: false
examples:
- |
fwu-mdata {
compatible = "u-boot,fwu-mdata-mtd";
fwu-mdata-store = <&flash0>;
mdata-parts = "MDATA-Pri", "MDATA-Sec";
fwu-bank0 {
id = <0>;
label = "FIP-Bank0";
fwu-image0 {
id = <0>;
offset = <0x0>;
size = <0x400000>;
uuid = "5a66a702-99fd-4fef-a392-c26e261a2828";
};
};
fwu-bank1 {
id = <1>;
label = "FIP-Bank1";
fwu-image0 {
id = <0>;
offset = <0x0>;
size = <0x400000>;
uuid = "a8f868a1-6e5c-4757-878d-ce63375ef2c0";
};
};
};
...
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