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[73.14.173.85]) by smtp.gmail.com with ESMTPSA id o8-20020a056e02092800b0035ab8cc4a4bsm1914348ilt.17.2023.11.16.09.29.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 16 Nov 2023 09:29:04 -0800 (PST) From: Simon Glass To: devicetree@vger.kernel.org Cc: Miquel Raynal , linux-mtd@lists.infradead.org, Tom Rini , Rob Herring , Michael Walle , U-Boot Mailing List , Simon Glass , Conor Dooley , Krzysztof Kozlowski , Pratyush Yadav , =?utf-8?b?UmFmYcWCIE1pxYJlY2tp?= , Richard Weinberger , Rob Herring , Vignesh Raghavendra , linux-kernel@vger.kernel.org Subject: [PATCH v6 1/3] dt-bindings: mtd: partitions: Add binman compatible Date: Thu, 16 Nov 2023 10:28:50 -0700 Message-ID: <20231116172859.393744-1-sjg@chromium.org> X-Mailer: git-send-email 2.43.0.rc0.421.g78406f8d94-goog MIME-Version: 1.0 X-Spam-Status: No, score=-1.0 required=5.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lipwig.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (lipwig.vger.email [0.0.0.0]); Thu, 16 Nov 2023 09:29:29 -0800 (PST) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1782742544235186250 X-GMAIL-MSGID: 1782742544235186250 Add a compatible string for binman, so we can extend fixed-partitions in various ways. Signed-off-by: Simon Glass --- (no changes since v5) Changes in v5: - Add #address/size-cells and parternProperties - Drop $ref to fixed-partitions.yaml - Drop 'select: false' Changes in v4: - Change subject line Changes in v3: - Drop fixed-partition additional compatible string - Drop fixed-partitions from the example - Mention use of compatible instead of label Changes in v2: - Drop mention of 'enhanced features' in fixed-partitions.yaml - Mention Binman input and output properties - Use plain partition@xxx for the node name .../bindings/mtd/partitions/binman.yaml | 68 +++++++++++++++++++ .../bindings/mtd/partitions/partitions.yaml | 1 + MAINTAINERS | 5 ++ 3 files changed, 74 insertions(+) create mode 100644 Documentation/devicetree/bindings/mtd/partitions/binman.yaml diff --git a/Documentation/devicetree/bindings/mtd/partitions/binman.yaml b/Documentation/devicetree/bindings/mtd/partitions/binman.yaml new file mode 100644 index 000000000000..329217550a98 --- /dev/null +++ b/Documentation/devicetree/bindings/mtd/partitions/binman.yaml @@ -0,0 +1,68 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +# Copyright 2023 Google LLC + +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mtd/partitions/binman.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Binman firmware layout + +maintainers: + - Simon Glass + +description: | + The binman node provides a layout for firmware, used when packaging firmware + from multiple projects. It is based on fixed-partitions, with some + extensions, but uses 'compatible' to indicate the contents of the node, to + avoid perturbing or confusing existing installations which use 'label' for a + particular purpose. + + Binman supports properties used as inputs to the firmware-packaging process, + such as those which control alignment of partitions. This binding addresses + these 'input' properties. For example, it is common for the 'reg' property + (an 'output' property) to be set by Binman, based on the alignment requested + in the input. + + Once processing is complete, input properties have mostly served their + purpose, at least until the firmware is repacked later, e.g. due to a + firmware update. The 'fixed-partitions' binding should provide enough + information to read the firmware at runtime, including decompression if + needed. + + Documentation for Binman is available at: + + https://u-boot.readthedocs.io/en/latest/develop/package/binman.html + + with the current image-description format at: + + https://u-boot.readthedocs.io/en/latest/develop/package/binman.html#image-description-format + +properties: + compatible: + const: binman + + "#address-cells": + const: 1 + + "#size-cells": + const: 1 + +patternProperties: + "^partition(-.+|@[0-9a-f]+)$": + $ref: partition.yaml + +additionalProperties: false + +examples: + - | + partitions { + compatible = "binman"; + #address-cells = <1>; + #size-cells = <1>; + + partition@100000 { + label = "u-boot"; + reg = <0x100000 0xf00000>; + }; + }; diff --git a/Documentation/devicetree/bindings/mtd/partitions/partitions.yaml b/Documentation/devicetree/bindings/mtd/partitions/partitions.yaml index 1dda2c80747b..849fd15d085c 100644 --- a/Documentation/devicetree/bindings/mtd/partitions/partitions.yaml +++ b/Documentation/devicetree/bindings/mtd/partitions/partitions.yaml @@ -15,6 +15,7 @@ maintainers: oneOf: - $ref: arm,arm-firmware-suite.yaml + - $ref: binman.yaml - $ref: brcm,bcm4908-partitions.yaml - $ref: brcm,bcm947xx-cfe-partitions.yaml - $ref: fixed-partitions.yaml diff --git a/MAINTAINERS b/MAINTAINERS index b294edaf5698..8704eefe6e2a 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -3550,6 +3550,11 @@ F: Documentation/filesystems/bfs.rst F: fs/bfs/ F: include/uapi/linux/bfs_fs.h +BINMAN +M: Simon Glass +S: Supported +F: Documentation/devicetree/bindings/mtd/partitions/binman* + BITMAP API M: Yury Norov R: Andy Shevchenko