| Message ID | 20220711153041.6036-1-zajec5@gmail.com |
|---|---|
| State | New |
| Headers | show |
| Series | [1/2] dt-bindings: mtd: partitions: add binding for U-Boot bootloader | expand |
On Mon, 11 Jul 2022 17:30:40 +0200, Rafał Miłecki wrote: > From: Rafał Miłecki <rafal@milecki.pl> > > Right now there is no (known) real reason for a custom binding for > standard U-Boot partitions. Broadcom's U-Boot however requires extra > handling - looking for environment variables subblocks. This commit adds > Broadcom specific binding. > > Signed-off-by: Rafał Miłecki <rafal@milecki.pl> > --- > .../bindings/mtd/partitions/u-boot.yaml | 49 +++++++++++++++++++ > 1 file changed, 49 insertions(+) > create mode 100644 Documentation/devicetree/bindings/mtd/partitions/u-boot.yaml > Reviewed-by: Rob Herring <robh@kernel.org>
On Mon, 2022-07-11 at 15:30:40 UTC, =?utf-8?b?UmFmYcWCIE1pxYJlY2tp?= wrote: > From: Rafał Miłecki <rafal@milecki.pl> > > Right now there is no (known) real reason for a custom binding for > standard U-Boot partitions. Broadcom's U-Boot however requires extra > handling - looking for environment variables subblocks. This commit adds > Broadcom specific binding. > > Signed-off-by: Rafał Miłecki <rafal@milecki.pl> > Reviewed-by: Rob Herring <robh@kernel.org> Applied to https://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git mtd/next, thanks. Miquel
diff --git a/Documentation/devicetree/bindings/mtd/partitions/u-boot.yaml b/Documentation/devicetree/bindings/mtd/partitions/u-boot.yaml new file mode 100644 index 000000000000..8a88e7d16524 --- /dev/null +++ b/Documentation/devicetree/bindings/mtd/partitions/u-boot.yaml @@ -0,0 +1,49 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mtd/partitions/u-boot.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: U-Boot bootloader partition + +description: | + U-Boot is a bootlodaer commonly used in embedded devices. It's almost always + located on some kind of flash device. + + Device configuration is stored as a set of environment variables that are + located in a (usually standalone) block of data. + +maintainers: + - Rafał Miłecki <rafal@milecki.pl> + +allOf: + - $ref: partition.yaml# + +properties: + compatible: + oneOf: + - const: brcm,u-boot + description: | + Broadcom stores environment variables inside a U-Boot partition. They + can be identified by a custom header with magic value. + +unevaluatedProperties: false + +examples: + - | + partitions { + compatible = "fixed-partitions"; + #address-cells = <1>; + #size-cells = <1>; + + partition@0 { + compatible = "brcm,u-boot"; + reg = <0x0 0x100000>; + label = "u-boot"; + }; + + partition@100000 { + reg = <0x100000 0x1ff00000>; + label = "firmware"; + }; + };