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# 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 bootloader 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:
- $ref: partition.yaml#
properties:
compatible:
oneOf:
- const: brcm,u-boot
description: |
Broadcom stores environment variables inside a U-Boot partition. They
can be identified by a custom header with magic value.
patternProperties:
"^partition-.*$":
$ref: partition.yaml#
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-u-boot-env {
};
};
partition@100000 {
reg = <0x100000 0x1ff00000>;
label = "firmware";
};
};
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