From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 3964838BF72; Mon, 10 Aug 2026 18:03:25 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786385007; cv=none; b=BjlvUuCN76kYvQIMylwOw+KclS4zz1Tq+HzlmVKDn768J+agKD15BypL2tDuYEXAaeTOp5az1NrttjOdSAYJURsXlFVCABo+uTsj/jxNCeGik6xywNR8hb20cg8albRPBufGUs+7Gx3T1nUWbpTZ3amgU+3xYZ/qLdfJLYDL+gw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786385007; c=relaxed/simple; bh=MPk28tW9IaFNravdfW+vVd7/hzQhHKSQLveQ5Z7BM+g=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=ON78by7uae+6GZKc4Lf8hZliKBFGqg792YCONewCBickI/s7zst3PA85zlpjkroUc2QzEo+pFa/Wi/ATfDmBmOrdwlm7ovGUrfbawNLRwtzuHJUdcJWkt7Khsat6cQ1Vd0Y2sy816S62MRWYB9pKzKLP3n/bv3aj4MgIEijVxb8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=E5SrZ72V; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="E5SrZ72V" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A08F21F000E9; Mon, 10 Aug 2026 18:03:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1786385005; bh=+47nB+ymVQpumJdoiL7i0y+0QEYSSwSbPBEdZ3OfrBg=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=E5SrZ72VDXJbAtd0U9iOidzNeHCawXN+u5dsLBP7qBo2pJzTegMWiPiO/SjD33Dl0 0s7LAwspsNl+NzMXa2B+Seg1OtoD/Hc0tN3twuQ/GTBUjfV8v8N6PnY3lKuTXpYQPf HfS9exE/RtVdAcJW8p30pJpDeQN88wOINYcwDqZR4jhKNTRShG/aYTsGrqptP909RK 2yXqp0EHNeyHRkyOMJfP5FlGajUUj/AFHG3l5XnWP8/Mdlvn4c5MObzjufaSxi6uv/ M5ojLqlXtohKQzlRWmJlxd1HHLiXIP18Ituk5+RVZ7VjHFWDnBGekuLRko6lnDMHo7 d2qz0ZNuIsIyQ== Date: Mon, 10 Aug 2026 13:03:24 -0500 From: Rob Herring To: Manikandan Muralidharan Cc: pratyush@kernel.org, mwalle@kernel.org, takahiro.kuwano@infineon.com, miquel.raynal@bootlin.com, richard@nod.at, vigneshr@ti.com, krzk+dt@kernel.org, conor+dt@kernel.org, srini@kernel.org, nicolas.ferre@microchip.com, alexandre.belloni@bootlin.com, claudiu.beznea@tuxon.dev, linux@armlinux.org.uk, richardcochran@gmail.com, arnd@arndb.de, linusw@kernel.org, michael@walle.cc, linux-mtd@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, netdev@vger.kernel.org Subject: Re: [PATCH v6 1/7] dt-bindings: mtd: jedec,spi-nor: allow the SFDP to be exposed via NVMEM Message-ID: <20260810180324.GA2352629-robh@kernel.org> References: <20260729043026.1811147-1-manikandan.m@microchip.com> <20260729043026.1811147-2-manikandan.m@microchip.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260729043026.1811147-2-manikandan.m@microchip.com> On Wed, Jul 29, 2026 at 10:00:20AM +0530, Manikandan Muralidharan wrote: > Add an optional "sfdp" child node (compatible "jedec,sfdp") that > describes the SFDP as a read-only NVMEM provider via nvmem.yaml, so its > contents (e.g. a vendor EUI-48/EUI-64) can be read through NVMEM cells. > > Reviewed-by: Linus Walleij > Signed-off-by: Manikandan Muralidharan > --- > .../devicetree/bindings/mtd/jedec,spi-nor.yaml | 18 ++++++++++++++++++ > 1 file changed, 18 insertions(+) > > diff --git a/Documentation/devicetree/bindings/mtd/jedec,spi-nor.yaml b/Documentation/devicetree/bindings/mtd/jedec,spi-nor.yaml > index 587af4968255..98fd954598ab 100644 > --- a/Documentation/devicetree/bindings/mtd/jedec,spi-nor.yaml > +++ b/Documentation/devicetree/bindings/mtd/jedec,spi-nor.yaml > @@ -103,6 +103,20 @@ properties: > spi-cpol: true > spi-cpha: true > > + sfdp: > + $ref: /schemas/nvmem/nvmem.yaml# > + unevaluatedProperties: false > + description: > + The Serial Flash Discoverable Parameters (SFDP) tables exposed as a > + read-only NVMEM device. This allows standard or vendor-specific SFDP > + data (for example a factory-programmed EUI-48/EUI-64 identifier) to be > + consumed through NVMEM cells. blank line > + properties: > + compatible: > + const: jedec,sfdp blank line With that, Reviewed-by: Rob Herring (Arm)