From: Daniel Golle <daniel@makrotopia.org>
To: Miquel Raynal <miquel.raynal@bootlin.com>,
Richard Weinberger <richard@nod.at>,
Vignesh Raghavendra <vigneshr@ti.com>,
Rob Herring <robh+dt@kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Conor Dooley <conor+dt@kernel.org>,
Daniel Golle <daniel@makrotopia.org>,
linux-mtd@lists.infradead.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: [PATCH v7 1/7] dt-bindings: mtd: add basic bindings for UBI
Date: Tue, 19 Dec 2023 02:32:00 +0000 [thread overview]
Message-ID: <cfb173849a10f186d4395f3aba2508ed42356ee1.1702952891.git.daniel@makrotopia.org> (raw)
In-Reply-To: <cover.1702952891.git.daniel@makrotopia.org>
Add basic bindings for UBI devices and volumes.
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
Reviewed-by: Rob Herring <robh@kernel.org>
---
.../bindings/mtd/partitions/linux,ubi.yaml | 65 +++++++++++++++++++
.../bindings/mtd/partitions/ubi-volume.yaml | 35 ++++++++++
2 files changed, 100 insertions(+)
create mode 100644 Documentation/devicetree/bindings/mtd/partitions/linux,ubi.yaml
create mode 100644 Documentation/devicetree/bindings/mtd/partitions/ubi-volume.yaml
diff --git a/Documentation/devicetree/bindings/mtd/partitions/linux,ubi.yaml b/Documentation/devicetree/bindings/mtd/partitions/linux,ubi.yaml
new file mode 100644
index 0000000000000..7084a1945b310
--- /dev/null
+++ b/Documentation/devicetree/bindings/mtd/partitions/linux,ubi.yaml
@@ -0,0 +1,65 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/mtd/partitions/linux,ubi.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Unsorted Block Images
+
+description: |
+ UBI ("Unsorted Block Images") is a volume management system for raw
+ flash devices which manages multiple logical volumes on a single
+ physical flash device and spreads the I/O load (i.e wear-leveling)
+ across the whole flash chip.
+
+maintainers:
+ - Daniel Golle <daniel@makrotopia.org>
+
+allOf:
+ - $ref: partition.yaml#
+
+properties:
+ compatible:
+ const: linux,ubi
+
+ volumes:
+ type: object
+ description: UBI Volumes
+
+ patternProperties:
+ "^ubi-volume-.*$":
+ $ref: /schemas/mtd/partitions/ubi-volume.yaml#
+
+ unevaluatedProperties: false
+
+required:
+ - compatible
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ partitions {
+ compatible = "fixed-partitions";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ partition@0 {
+ reg = <0x0 0x100000>;
+ label = "bootloader";
+ read-only;
+ };
+
+ partition@100000 {
+ reg = <0x100000 0x1ff00000>;
+ label = "ubi";
+ compatible = "linux,ubi";
+
+ volumes {
+ ubi-volume-caldata {
+ volid = <2>;
+ volname = "rf";
+ };
+ };
+ };
+ };
diff --git a/Documentation/devicetree/bindings/mtd/partitions/ubi-volume.yaml b/Documentation/devicetree/bindings/mtd/partitions/ubi-volume.yaml
new file mode 100644
index 0000000000000..1e3f04dedc01d
--- /dev/null
+++ b/Documentation/devicetree/bindings/mtd/partitions/ubi-volume.yaml
@@ -0,0 +1,35 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/mtd/partitions/ubi-volume.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: UBI volume
+
+description: |
+ This binding describes a single UBI volume. Volumes can be matches either
+ by their ID or their name, or both.
+
+maintainers:
+ - Daniel Golle <daniel@makrotopia.org>
+
+properties:
+ volid:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description:
+ Match UBI volume ID
+
+ volname:
+ $ref: /schemas/types.yaml#/definitions/string
+ description:
+ Match UBI volume ID
+
+anyOf:
+ - required:
+ - volid
+
+ - required:
+ - volname
+
+# This is a generic file other binding inherit from and extend
+additionalProperties: true
--
2.43.0
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next prev parent reply other threads:[~2023-12-19 2:32 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-12-19 2:31 [PATCH v7 0/7] mtd: ubi: allow UBI volumes to provide NVMEM Daniel Golle
2023-12-19 2:32 ` Daniel Golle [this message]
2023-12-19 2:32 ` [PATCH v7 2/7] dt-bindings: mtd: ubi-volume: " Daniel Golle
2023-12-19 2:32 ` [PATCH v7 3/7] mtd: ubi: block: use notifier to create ubiblock from parameter Daniel Golle
2023-12-19 2:33 ` [PATCH v7 4/7] mtd: ubi: attach from device tree Daniel Golle
2023-12-19 2:33 ` [PATCH v7 5/7] mtd: ubi: introduce pre-removal notification for UBI volumes Daniel Golle
2023-12-19 2:33 ` [PATCH v7 6/7] mtd: ubi: populate ubi volume fwnode Daniel Golle
2023-12-19 2:33 ` [PATCH v7 7/7] mtd: ubi: provide NVMEM layer over UBI volumes Daniel Golle
2024-02-19 11:01 ` Miquel Raynal
2024-02-25 22:12 ` Richard Weinberger
2024-02-26 0:05 ` Daniel Golle
2024-03-10 21:17 ` Richard Weinberger
2024-03-11 2:37 ` Daniel Golle
2024-03-19 22:31 ` Richard Weinberger
2024-03-22 15:56 ` Daniel Golle
2024-03-22 16:05 ` Richard Weinberger
2024-02-12 0:48 ` [PATCH v7 0/7] mtd: ubi: allow UBI volumes to provide NVMEM Daniel Golle
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