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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
commitace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch)
treeb2d64bc10158fdd5497876388cd68142ca374ed3 /Documentation/devicetree/bindings/mtd/mtd.yaml
parentInitial commit. (diff)
downloadlinux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz
linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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+# 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>
+
+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]+":
+ $ref: partitions/partition.yaml
+ deprecated: true
+
+ "^otp(-[0-9]+)?$":
+ $ref: ../nvmem/nvmem.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>;
+ };
+ };
+ };
+ };
+
+...