From patchwork Tue Dec 19 02:32:11 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Daniel Golle X-Patchwork-Id: 756133 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 190BC6D3F; Tue, 19 Dec 2023 02:32:20 +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 1rFPu1-0008Hj-06; Tue, 19 Dec 2023 02:32:14 +0000 Date: Tue, 19 Dec 2023 02:32:11 +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 2/7] dt-bindings: mtd: ubi-volume: allow UBI volumes to provide NVMEM Message-ID: <9732880851f342a4a1beef005c3432c9a91a43a3.1702952891.git.daniel@makrotopia.org> 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: UBI volumes may be used to contain NVMEM bits, typically device MAC addresses or wireless radio calibration data. Signed-off-by: Daniel Golle Reviewed-by: Rob Herring --- .../devicetree/bindings/mtd/partitions/linux,ubi.yaml | 10 ++++++++++ .../devicetree/bindings/mtd/partitions/ubi-volume.yaml | 5 +++++ 2 files changed, 15 insertions(+) diff --git a/Documentation/devicetree/bindings/mtd/partitions/linux,ubi.yaml b/Documentation/devicetree/bindings/mtd/partitions/linux,ubi.yaml index 7084a1945b310..27e1ac1f252e4 100644 --- a/Documentation/devicetree/bindings/mtd/partitions/linux,ubi.yaml +++ b/Documentation/devicetree/bindings/mtd/partitions/linux,ubi.yaml @@ -59,6 +59,16 @@ examples: ubi-volume-caldata { volid = <2>; volname = "rf"; + + nvmem-layout { + compatible = "fixed-layout"; + #address-cells = <1>; + #size-cells = <1>; + + eeprom@0 { + reg = <0x0 0x1000>; + }; + }; }; }; }; diff --git a/Documentation/devicetree/bindings/mtd/partitions/ubi-volume.yaml b/Documentation/devicetree/bindings/mtd/partitions/ubi-volume.yaml index 1e3f04dedc01d..19736b26056b2 100644 --- a/Documentation/devicetree/bindings/mtd/partitions/ubi-volume.yaml +++ b/Documentation/devicetree/bindings/mtd/partitions/ubi-volume.yaml @@ -24,6 +24,11 @@ properties: description: Match UBI volume ID + nvmem-layout: + $ref: /schemas/nvmem/layouts/nvmem-layout.yaml# + description: + This container may reference an NVMEM layout parser. + anyOf: - required: - volid