118 lines
2.5 KiB
YAML
118 lines
2.5 KiB
YAML
# 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:
|
|
$ref: /schemas/mtd/partitions/partitions.yaml
|
|
|
|
required:
|
|
- compatible
|
|
|
|
patternProperties:
|
|
"@[0-9a-f]+$":
|
|
$ref: partitions/partition.yaml
|
|
deprecated: true
|
|
|
|
"^partition@[0-9a-f]+":
|
|
$ref: partitions/partition.yaml
|
|
deprecated: true
|
|
|
|
"^otp(-[0-9]+)?$":
|
|
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>;
|
|
};
|
|
};
|
|
};
|
|
};
|
|
|
|
...
|