49e9d01f66
When referencing other schema, it is preferred to use an absolute path (/schemas/....), which allows also an seamless move of particular schema out of Linux kernel to dtschema. Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Acked-by: Miquel Raynal <miquel.raynal@bootlin.com> Link: https://lore.kernel.org/r/20240505084618.135705-1-krzysztof.kozlowski@linaro.org Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
118 lines
2.5 KiB
YAML
118 lines
2.5 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/mtd/mtd.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: MTD (Memory Technology Device)
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maintainers:
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- Miquel Raynal <miquel.raynal@bootlin.com>
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- Richard Weinberger <richard@nod.at>
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select: false
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properties:
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$nodename:
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pattern: "^(flash|.*sram|nand)(@.*)?$"
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label:
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description:
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User-defined MTD device name. Can be used to assign user friendly
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names to MTD devices (instead of the flash model or flash controller
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based name) in order to ease flash device identification and/or
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describe what they are used for.
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'#address-cells':
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deprecated: true
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'#size-cells':
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deprecated: true
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partitions:
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$ref: /schemas/mtd/partitions/partitions.yaml
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required:
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- compatible
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patternProperties:
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"@[0-9a-f]+$":
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$ref: partitions/partition.yaml
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deprecated: true
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"^partition@[0-9a-f]+":
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$ref: partitions/partition.yaml
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deprecated: true
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"^otp(-[0-9]+)?$":
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type: object
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allOf:
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- $ref: /schemas/nvmem/nvmem.yaml#
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- $ref: /schemas/nvmem/nvmem-deprecated-cells.yaml#
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unevaluatedProperties: false
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description: |
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An OTP memory region. Some flashes provide a one-time-programmable
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memory whose content can either be programmed by a user or is already
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pre-programmed by the factory. Some flashes might provide both.
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properties:
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compatible:
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enum:
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- user-otp
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- factory-otp
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required:
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- compatible
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# This is a generic file other binding inherit from
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additionalProperties: true
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examples:
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- |
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spi {
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#address-cells = <1>;
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#size-cells = <0>;
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flash@0 {
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reg = <0>;
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compatible = "jedec,spi-nor";
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label = "System-firmware";
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};
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};
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- |
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spi {
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#address-cells = <1>;
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#size-cells = <0>;
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flash@0 {
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reg = <0>;
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compatible = "jedec,spi-nor";
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otp-1 {
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compatible = "factory-otp";
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#address-cells = <1>;
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#size-cells = <1>;
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electronic-serial-number@0 {
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reg = <0 8>;
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};
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};
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otp-2 {
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compatible = "user-otp";
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#address-cells = <1>;
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#size-cells = <1>;
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mac-address@0 {
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reg = <0 6>;
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};
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};
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};
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};
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...
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