| # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) | |
| %YAML 1.2 | |
| --- | |
| $id: http://devicetree.org/schemas/mtd/mtd.yaml# | |
| $schema: http://devicetree.org/meta-schemas/core.yaml# | |
| title: MTD (Memory Technology Device) | |
| maintainers: | |
| - Miquel Raynal <miquel.raynal@bootlin.com> | |
| - Richard Weinberger <richard@nod.at> | |
| select: false | |
| properties: | |
| $nodename: | |
| pattern: "^(flash|.*sram|nand)(@.*)?$" | |
| label: | |
| description: | |
| User-defined MTD device name. Can be used to assign user friendly | |
| names to MTD devices (instead of the flash model or flash controller | |
| based name) in order to ease flash device identification and/or | |
| describe what they are used for. | |
| '#address-cells': | |
| deprecated: true | |
| '#size-cells': | |
| deprecated: true | |
| partitions: | |
| type: object | |
| required: | |
| - compatible | |
| patternProperties: | |
| "(^partition)?@[0-9a-f]+$": | |
| $ref: /schemas/mtd/partitions/partition.yaml#/$defs/partition-node | |
| deprecated: true | |
| "^otp(-[0-9]+)?$": | |
| type: object | |
| allOf: | |
| - $ref: /schemas/nvmem/nvmem.yaml# | |
| - $ref: /schemas/nvmem/nvmem-deprecated-cells.yaml# | |
| unevaluatedProperties: false | |
| description: | | |
| An OTP memory region. Some flashes provide a one-time-programmable | |
| memory whose content can either be programmed by a user or is already | |
| pre-programmed by the factory. Some flashes might provide both. | |
| properties: | |
| compatible: | |
| enum: | |
| - user-otp | |
| - factory-otp | |
| required: | |
| - compatible | |
| # This is a generic file other binding inherit from | |
| additionalProperties: true | |
| examples: | |
| - | | |
| spi { | |
| #address-cells = <1>; | |
| #size-cells = <0>; | |
| flash@0 { | |
| reg = <0>; | |
| compatible = "jedec,spi-nor"; | |
| label = "System-firmware"; | |
| }; | |
| }; | |
| - | | |
| spi { | |
| #address-cells = <1>; | |
| #size-cells = <0>; | |
| flash@0 { | |
| reg = <0>; | |
| compatible = "jedec,spi-nor"; | |
| otp-1 { | |
| compatible = "factory-otp"; | |
| #address-cells = <1>; | |
| #size-cells = <1>; | |
| electronic-serial-number@0 { | |
| reg = <0 8>; | |
| }; | |
| }; | |
| otp-2 { | |
| compatible = "user-otp"; | |
| #address-cells = <1>; | |
| #size-cells = <1>; | |
| mac-address@0 { | |
| reg = <0 6>; | |
| }; | |
| }; | |
| }; | |
| }; | |
| ... |