From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id DD90DC5B567 for ; Mon, 10 Aug 2026 18:03:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=+47nB+ymVQpumJdoiL7i0y+0QEYSSwSbPBEdZ3OfrBg=; b=WIYBBtC+EQ/rcUUax2zgWUsz37 l4CufkEcZCqHEzW0TPuCaAGmQ83N0nuGmZ3fTAcPeC91hLyqpupzp30SGTvgyCwzadkdHkj8J8veb ctYGIXKU11gmLtT7SZsCmxVzGuv3b5SjWJ7qWA8YvbeutzawWuJngtgWdOQx3L9ZwSeuzsaIFM6ET YGvkhtazg/QNrKg0d+f7do1VX/eR/ETDVhL4vODXha6pgKPD5u3DVciVsZHgTVpdiXrx9iMVsUO5v wS59BquWL1fpiJ78ou3+jo76yTi8VFnLactAbRm+1YrnwuV9pPlG4IszZ/mt5GteS2vQ5/o0z+6RP 0sYGgZmA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wtULP-0000000Ca6J-3GH0; Mon, 10 Aug 2026 18:03:27 +0000 Received: from sea.source.kernel.org ([2600:3c0a:e001:78e:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wtULO-0000000Ca69-2CXh; Mon, 10 Aug 2026 18:03:26 +0000 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by sea.source.kernel.org (Postfix) with ESMTP id E5B8843760; Mon, 10 Aug 2026 18:03:25 +0000 (UTC) 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> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260729043026.1811147-2-manikandan.m@microchip.com> 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 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)