164185220SRafał Miłecki# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause 264185220SRafał Miłecki%YAML 1.2 364185220SRafał Miłecki--- 464185220SRafał Miłecki$id: http://devicetree.org/schemas/mtd/partitions/partition.yaml# 564185220SRafał Miłecki$schema: http://devicetree.org/meta-schemas/core.yaml# 664185220SRafał Miłecki 764185220SRafał Miłeckititle: Partition 864185220SRafał Miłecki 964185220SRafał Miłeckidescription: | 1064185220SRafał Miłecki This binding describes a single flash partition. Each partition must have its 1164185220SRafał Miłecki relative offset and size specified. Depending on partition function extra 1264185220SRafał Miłecki properties can be used. 1364185220SRafał Miłecki 14118f3fbeSChristian Marangi A partition may be dynamically allocated by a specific parser at runtime. 15118f3fbeSChristian Marangi In this specific case, a specific suffix is required to the node name. 16118f3fbeSChristian Marangi Everything after 'partition-' will be used as the partition name to compare 17118f3fbeSChristian Marangi with the one dynamically allocated by the specific parser. 18118f3fbeSChristian Marangi If the partition contains invalid char a label can be provided that will 19118f3fbeSChristian Marangi be used instead of the node name to make the comparison. 20118f3fbeSChristian Marangi This is used to assign an OF node to the dynamiccally allocated partition 21118f3fbeSChristian Marangi so that subsystem like NVMEM can provide an OF node and declare NVMEM cells. 22118f3fbeSChristian Marangi The OF node will be assigned only if the partition label declared match the 23118f3fbeSChristian Marangi one assigned by the parser at runtime. 24118f3fbeSChristian Marangi 2564185220SRafał Miłeckimaintainers: 2664185220SRafał Miłecki - Rafał Miłecki <rafal@milecki.pl> 2764185220SRafał Miłecki 2864185220SRafał Miłeckiproperties: 2964185220SRafał Miłecki reg: 3064185220SRafał Miłecki description: partition's offset and size within the flash 3164185220SRafał Miłecki maxItems: 1 3264185220SRafał Miłecki 3364185220SRafał Miłecki label: 3464185220SRafał Miłecki description: The label / name for this partition. If omitted, the label 3564185220SRafał Miłecki is taken from the node name (excluding the unit address). 3664185220SRafał Miłecki 3764185220SRafał Miłecki read-only: 3864185220SRafał Miłecki description: This parameter, if present, is a hint that this partition 3964185220SRafał Miłecki should only be mounted read-only. This is usually used for flash 4064185220SRafał Miłecki partitions containing early-boot firmware images or data which should 4164185220SRafał Miłecki not be clobbered. 4264185220SRafał Miłecki type: boolean 4364185220SRafał Miłecki 4464185220SRafał Miłecki lock: 4564185220SRafał Miłecki description: Do not unlock the partition at initialization time (not 4664185220SRafał Miłecki supported on all devices) 4764185220SRafał Miłecki type: boolean 4864185220SRafał Miłecki 4964185220SRafał Miłecki slc-mode: 5064185220SRafał Miłecki description: This parameter, if present, allows one to emulate SLC mode 5164185220SRafał Miłecki on a partition attached to an MLC NAND thus making this partition 5264185220SRafał Miłecki immune to paired-pages corruptions 5364185220SRafał Miłecki type: boolean 5464185220SRafał Miłecki 55*2b9a31d7SRafał Miłecki linux,rootfs: 56*2b9a31d7SRafał Miłecki description: Marks partition that contains root filesystem to mount and boot 57*2b9a31d7SRafał Miłecki user space from 58*2b9a31d7SRafał Miłecki 59118f3fbeSChristian Marangiif: 60118f3fbeSChristian Marangi not: 61118f3fbeSChristian Marangi required: [ reg ] 62118f3fbeSChristian Marangithen: 63118f3fbeSChristian Marangi properties: 64118f3fbeSChristian Marangi $nodename: 65118f3fbeSChristian Marangi pattern: '^partition-.*$' 6664185220SRafał Miłecki 6764185220SRafał MiłeckiadditionalProperties: true 68