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dt-bindings: mtd: partitions: u-boot: allow dynamic subpartitions

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U-Boot partition may contain subpartitions. For example Broadcom
includes environment data block in the middle of its U-Boot partition.

This allows describing Broadcom's U-Boot env data and will allow
referencing its NVMEM cell in the future.

Ref: 118f3fbe51 ("dt-bindings: mtd: partitions: support label/name only partition")
Ref: dd638202df ("dt-bindings: mtd: partitions: add additional example for qcom,smem-part")
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Link: https://lore.kernel.org/r/20221018154202.4634-1-zajec5@gmail.com
Signed-off-by: Rob Herring <robh@kernel.org>
This commit is contained in:
Rafał Miłecki 2022-10-18 17:42:01 +02:00 • committed by Rob Herring
parent c2741cbe7f
commit 4862a4d753
1 changed files with 7 additions and 0 deletions
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7
Documentation/devicetree/bindings/mtd/partitions/u-boot.yaml
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@ -27,6 +27,10 @@ properties:
Broadcom stores environment variables inside a U-Boot partition. They
can be identified by a custom header with magic value.
patternProperties:
"^partition-.*$":
$ref: partition.yaml#
unevaluatedProperties: false
examples:
@ -40,6 +44,9 @@ examples:
compatible = "brcm,u-boot";
reg = <0x0 0x100000>;
label = "u-boot";
partition-u-boot-env {
};
};
partition@100000 {