From patchwork Tue Dec 19 02:32:00 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Daniel Golle X-Patchwork-Id: 756134 Received: from pidgin.makrotopia.org (pidgin.makrotopia.org [185.142.180.65]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5F358AD44; Tue, 19 Dec 2023 02:32:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=makrotopia.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=makrotopia.org Received: from local by pidgin.makrotopia.org with esmtpsa (TLS1.3:TLS_AES_256_GCM_SHA384:256) (Exim 4.96.2) (envelope-from ) id 1rFPtp-0008HM-3B; Tue, 19 Dec 2023 02:32:03 +0000 Date: Tue, 19 Dec 2023 02:32:00 +0000 From: Daniel Golle To: Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Daniel Golle , 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 Message-ID: References: Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: Add basic bindings for UBI devices and volumes. Signed-off-by: Daniel Golle Reviewed-by: Rob Herring --- .../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 + +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 + +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