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[194.187.74.233]) by smtp.gmail.com with ESMTPSA id c18-20020a170906925200b0078dd2f9357fsm7751636ejx.89.2022.10.18.08.42.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 18 Oct 2022 08:42:06 -0700 (PDT) From: =?utf-8?b?UmFmYcWCIE1pxYJlY2tp?= To: Rob Herring , Krzysztof Kozlowski Cc: Srinivas Kandagatla , Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , Tom Rini , Florian Fainelli , Joel Peshkin , William Zhang , Conor Dooley , devicetree@vger.kernel.org, linux-mtd@lists.infradead.org, linux-arm-kernel@lists.infradead.org, u-boot@lists.denx.de, bcm-kernel-feedback-list@broadcom.com, linux-kernel@vger.kernel.org, =?utf-8?b?UmFmYcWCIE1pxYJlY2tp?= Subject: [PATCH V3 1/2] dt-bindings: mtd: partitions: u-boot: allow dynamic subpartitions Date: Tue, 18 Oct 2022 17:42:01 +0200 Message-Id: <20221018154202.4634-1-zajec5@gmail.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221018_084209_315732_938DDFF2 X-CRM114-Status: GOOD ( 10.55 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Rafał Miłecki U-Boot partition may contain subpartitions. For example Broadcom includes environment data block in the middle of its U-Boot partition. This allows describing Broadcom's U-Boot env data and will allow referencing its NVMEM cell in the future. Reg: 118f3fbe517f4 ("dt-bindings: mtd: partitions: support label/name only partition") Ref: dd638202dfb65 ("dt-bindings: mtd: partitions: add additional example for qcom,smem-part") Signed-off-by: Rafał Miłecki --- V3: Add this patch as pre-requirement for u-boot,env.yaml & brcm,env --- .../devicetree/bindings/mtd/partitions/u-boot.yaml | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/Documentation/devicetree/bindings/mtd/partitions/u-boot.yaml b/Documentation/devicetree/bindings/mtd/partitions/u-boot.yaml index 8a88e7d16524..3c56efe48efd 100644 --- a/Documentation/devicetree/bindings/mtd/partitions/u-boot.yaml +++ b/Documentation/devicetree/bindings/mtd/partitions/u-boot.yaml @@ -27,6 +27,10 @@ properties: Broadcom stores environment variables inside a U-Boot partition. They can be identified by a custom header with magic value. +patternProperties: + "^partition-.*$": + $ref: partition.yaml# + unevaluatedProperties: false examples: @@ -40,6 +44,9 @@ examples: compatible = "brcm,u-boot"; reg = <0x0 0x100000>; label = "u-boot"; + + partition-u-boot-env { + }; }; partition@100000 {