186 lines
4.4 KiB
YAML
186 lines
4.4 KiB
YAML
# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/mtd/partitions/fixed-partitions.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Fixed partitions
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description: |
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This binding can be used on platforms which have strong conventions about
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which portions of a flash are used for what purposes, but which don't use an
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on-flash partition table such as RedBoot.
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The partition table should be a node named "partitions". Partitions are then
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defined as subnodes.
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maintainers:
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- Rafał Miłecki <rafal@milecki.pl>
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properties:
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compatible:
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oneOf:
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- const: fixed-partitions
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- items:
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- const: sercomm,sc-partitions
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- const: fixed-partitions
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"#address-cells": true
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"#size-cells": true
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compression:
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$ref: /schemas/types.yaml#/definitions/string
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description: |
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Compression algorithm used to store the data in this partition, chosen
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from a list of well-known algorithms.
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The contents are compressed using this algorithm.
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enum:
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- none
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- bzip2
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- gzip
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- lzop
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- lz4
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- lzma
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- xz
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- zstd
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patternProperties:
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"@[0-9a-f]+$":
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$ref: partition.yaml#
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properties:
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sercomm,scpart-id:
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description: Partition id in Sercomm partition map. Mtd parser
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uses this id to find a record in the partition map containing
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offset and size of the current partition. The values from
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partition map overrides partition offset and size defined in
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reg property of the dts. Frequently these values are the same,
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but may differ if device has bad eraseblocks on a flash.
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$ref: /schemas/types.yaml#/definitions/uint32
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required:
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- "#address-cells"
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- "#size-cells"
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additionalProperties: true
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examples:
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- |
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partitions {
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compatible = "fixed-partitions";
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#address-cells = <1>;
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#size-cells = <1>;
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partition@0 {
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label = "u-boot";
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reg = <0x0000000 0x100000>;
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read-only;
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};
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uimage@100000 {
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reg = <0x0100000 0x200000>;
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compress = "lzma";
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};
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};
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- |
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partitions {
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compatible = "fixed-partitions";
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#address-cells = <1>;
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#size-cells = <2>;
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/* a 4 GiB partition */
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partition@0 {
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label = "filesystem";
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reg = <0x00000000 0x1 0x00000000>;
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linux,rootfs;
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};
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};
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- |
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partitions {
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compatible = "fixed-partitions";
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#address-cells = <2>;
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#size-cells = <2>;
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/* an 8 GiB partition */
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partition@0 {
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label = "filesystem #1";
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reg = <0x0 0x00000000 0x2 0x00000000>;
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};
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/* a 4 GiB partition */
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partition@200000000 {
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label = "filesystem #2";
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reg = <0x2 0x00000000 0x1 0x00000000>;
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};
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};
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- |
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partitions {
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compatible = "fixed-partitions";
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#address-cells = <1>;
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#size-cells = <1>;
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partition@0 {
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label = "bootloader";
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reg = <0x000000 0x100000>;
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read-only;
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};
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firmware@100000 {
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compatible = "brcm,trx";
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label = "firmware";
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reg = <0x100000 0xe00000>;
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};
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calibration@f00000 {
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compatible = "fixed-partitions";
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label = "calibration";
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reg = <0xf00000 0x100000>;
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ranges = <0 0xf00000 0x100000>;
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#address-cells = <1>;
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#size-cells = <1>;
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partition@0 {
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label = "wifi0";
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reg = <0x000000 0x080000>;
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};
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partition@80000 {
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label = "wifi1";
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reg = <0x080000 0x080000>;
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};
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};
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};
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- |
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partitions {
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compatible = "sercomm,sc-partitions", "fixed-partitions";
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#address-cells = <1>;
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#size-cells = <1>;
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partition@0 {
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label = "u-boot";
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reg = <0x0 0x100000>;
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sercomm,scpart-id = <0>;
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read-only;
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};
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partition@100000 {
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label = "dynamic partition map";
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reg = <0x100000 0x100000>;
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sercomm,scpart-id = <1>;
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};
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partition@200000 {
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label = "Factory";
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reg = <0x200000 0x100000>;
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sercomm,scpart-id = <2>;
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read-only;
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};
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};
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