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4fd4be6bbe
The series was merged for Linux v6.9, so move it to backports. Signed-off-by: Daniel Golle <daniel@makrotopia.org>
124 lines
3.2 KiB
Diff
124 lines
3.2 KiB
Diff
From 25d88bfd35bac3196eafa666e3b05033b46ffa21 Mon Sep 17 00:00:00 2001
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From: Daniel Golle <daniel@makrotopia.org>
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Date: Tue, 19 Dec 2023 02:32:00 +0000
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Subject: [PATCH 1/8] dt-bindings: mtd: add basic bindings for UBI
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Add basic bindings for UBI devices and volumes.
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Signed-off-by: Daniel Golle <daniel@makrotopia.org>
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Reviewed-by: Rob Herring <robh@kernel.org>
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Signed-off-by: Richard Weinberger <richard@nod.at>
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---
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.../bindings/mtd/partitions/linux,ubi.yaml | 65 +++++++++++++++++++
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.../bindings/mtd/partitions/ubi-volume.yaml | 35 ++++++++++
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2 files changed, 100 insertions(+)
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create mode 100644 Documentation/devicetree/bindings/mtd/partitions/linux,ubi.yaml
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create mode 100644 Documentation/devicetree/bindings/mtd/partitions/ubi-volume.yaml
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--- /dev/null
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+++ b/Documentation/devicetree/bindings/mtd/partitions/linux,ubi.yaml
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@@ -0,0 +1,65 @@
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+# 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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+$id: http://devicetree.org/schemas/mtd/partitions/linux,ubi.yaml#
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+$schema: http://devicetree.org/meta-schemas/core.yaml#
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+
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+title: Unsorted Block Images
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+
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+description: |
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+ UBI ("Unsorted Block Images") is a volume management system for raw
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+ flash devices which manages multiple logical volumes on a single
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+ physical flash device and spreads the I/O load (i.e wear-leveling)
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+ across the whole flash chip.
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+
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+maintainers:
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+ - Daniel Golle <daniel@makrotopia.org>
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+
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+allOf:
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+ - $ref: partition.yaml#
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+
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+properties:
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+ compatible:
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+ const: linux,ubi
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+
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+ volumes:
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+ type: object
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+ description: UBI Volumes
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+
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+ patternProperties:
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+ "^ubi-volume-.*$":
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+ $ref: /schemas/mtd/partitions/ubi-volume.yaml#
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+
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+ unevaluatedProperties: false
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+
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+required:
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+ - compatible
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+
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+unevaluatedProperties: false
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+
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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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+
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+ partition@0 {
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+ reg = <0x0 0x100000>;
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+ label = "bootloader";
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+ read-only;
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+ };
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+
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+ partition@100000 {
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+ reg = <0x100000 0x1ff00000>;
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+ label = "ubi";
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+ compatible = "linux,ubi";
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+
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+ volumes {
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+ ubi-volume-caldata {
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+ volid = <2>;
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+ volname = "rf";
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+ };
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+ };
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+ };
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+ };
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--- /dev/null
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+++ b/Documentation/devicetree/bindings/mtd/partitions/ubi-volume.yaml
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@@ -0,0 +1,35 @@
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+# 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/ubi-volume.yaml#
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+$schema: http://devicetree.org/meta-schemas/core.yaml#
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+
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+title: UBI volume
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+
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+description: |
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+ This binding describes a single UBI volume. Volumes can be matches either
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+ by their ID or their name, or both.
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+
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+maintainers:
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+ - Daniel Golle <daniel@makrotopia.org>
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+
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+properties:
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+ volid:
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+ $ref: /schemas/types.yaml#/definitions/uint32
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+ description:
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+ Match UBI volume ID
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+
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+ volname:
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+ $ref: /schemas/types.yaml#/definitions/string
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+ description:
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+ Match UBI volume ID
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+
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+anyOf:
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+ - required:
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+ - volid
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+
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+ - required:
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+ - volname
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+
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+# This is a generic file other binding inherit from and extend
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+additionalProperties: true
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