mtd/partitions/partition.yaml

1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
4 $id: http://devicetree.org/schemas/mtd/partitions/partition.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Partition
10   This binding describes a single flash partition. Each partition must have its
11   relative offset and size specified. Depending on partition function extra
14   A partition may be dynamically allocated by a specific parser at runtime.
16   Everything after 'partition-' will be used as the partition name to compare
18   If the partition contains invalid char a label can be provided that will
20   This is used to assign an OF node to the dynamiccally allocated partition
22   The OF node will be assigned only if the partition label declared match the
26   - Rafał Miłecki <rafal@milecki.pl>
30     description: partition's offset and size within the flash
34     description: The label / name for this partition. If omitted, the label
37   read-only:
38     description: This parameter, if present, is a hint that this partition
39       should only be mounted read-only. This is usually used for flash
40       partitions containing early-boot firmware images or data which should
45     description: Do not unlock the partition at initialization time (not
49   slc-mode:
51       on a partition attached to an MLC NAND thus making this partition
52       immune to paired-pages corruptions
56     description: Marks partition that contains root filesystem to mount and boot
70       <16>’ means that the entry will start on a 16-byte boundary. This may
77   align-size:
90       bytes, so may grow. If ‘align-size’ is not provided, no alignment is
93   align-end:
108       with the padding bytes, so may grow. If ‘align-end’ is not provided,
117       pattern: '^partition-.*$'
123   - |
125         compatible = "fixed-partitions";
126         #address-cells = <1>;
127         #size-cells = <1>;
129         partition@100000 {
130             compatible = "u-boot";
132             align-size = <0x1000>;
133             align-end = <0x10000>;
136         partition@200000 {
137             compatible = "tfa-bl31";