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[73.14.173.85]) by smtp.gmail.com with ESMTPSA id o8-20020a056e02092800b0035ab8cc4a4bsm1914348ilt.17.2023.11.16.09.29.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 16 Nov 2023 09:29:05 -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 , Richard Weinberger , Rob Herring , Vignesh Raghavendra , linux-kernel@vger.kernel.org Subject: [PATCH v6 2/3] dt-bindings: mtd: binman-partition: Add binman compatibles Date: Thu, 16 Nov 2023 10:28:51 -0700 Message-ID: <20231116172859.393744-2-sjg@chromium.org> X-Mailer: git-send-email 2.43.0.rc0.421.g78406f8d94-goog In-Reply-To: <20231116172859.393744-1-sjg@chromium.org> References: <20231116172859.393744-1-sjg@chromium.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add two compatible for binman entries, as a starting point for the schema. Note that, after discussion on v2, we decided to keep the existing meaning of label so as not to require changes to existing userspace software when moving to use binman nodes to specify the firmware layout. Signed-off-by: Simon Glass --- (no changes since v5) Changes in v5: - Add mention of why 'binman' is the vendor - Drop 'select: false' - Tidy up the compatible setings - Use 'tfa-bl31' instead of 'atf-bl31' Changes in v4: - Correct selection of multiple compatible strings Changes in v3: - Drop fixed-partitions from the example - Use compatible instead of label Changes in v2: - Use plain partition@xxx for the node name .../mtd/partitions/binman-partition.yaml | 54 +++++++++++++++++++ 1 file changed, 54 insertions(+) create mode 100644 Documentation/devicetree/bindings/mtd/partitions/binman-partition.yaml diff --git a/Documentation/devicetree/bindings/mtd/partitions/binman-partition.yaml b/Documentation/devicetree/bindings/mtd/partitions/binman-partition.yaml new file mode 100644 index 000000000000..83222ac9aa78 --- /dev/null +++ b/Documentation/devicetree/bindings/mtd/partitions/binman-partition.yaml @@ -0,0 +1,54 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +# Copyright 2023 Google LLC + +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mtd/partitions/binman-partition.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Binman partition + +maintainers: + - Simon Glass + +description: | + This corresponds to a binman 'entry'. It is a single partition which holds + data of a defined type. + + The vendor is specified as binman since there are quite a number + of binman-specific entry types, such as section, fill and files, + to be added later. + +allOf: + - $ref: /schemas/mtd/partitions/partition.yaml# + +properties: + compatible: + enum: + - binman,entry # generic binman entry + - u-boot # u-boot.bin from U-Boot project + - tfa-bl31 # bl31.bin or bl31.elf from TF-A project + + reg: + minItems: 1 + maxItems: 2 + +additionalProperties: false + +examples: + - | + partitions { + compatible = "binman"; + #address-cells = <1>; + #size-cells = <1>; + + partition@100000 { + compatible = "u-boot"; + reg = <0x100000 0xf00000>; + }; + + partition@200000 { + compatible = "tfa-bl31"; + reg = <0x200000 0x100000>; + }; + }; -- 2.43.0.rc0.421.g78406f8d94-goog