| # 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"; |
| }; |
| }; |
| }; |
| ... |
