linux-kernel - Re: [PATCH v3 1/7] dt-bindings: fuse: Move renesas,rcar-{efuse,otp} to nvmem

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Message-ID: <20240829135845.GA297607-robh@kernel.org>
Date: Thu, 29 Aug 2024 08:58:45 -0500
From: Rob Herring <robh@...nel.org>
To: Geert Uytterhoeven <geert@...ux-m68k.org>
Cc: Krzysztof Kozlowski <krzk@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Magnus Damm <magnus.damm@...il.com>,
	Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
	Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>,
	Arnd Bergmann <arnd@...db.de>, devicetree@...r.kernel.org,
	linux-renesas-soc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 1/7] dt-bindings: fuse: Move renesas,rcar-{efuse,otp}
 to nvmem

On Thu, Aug 29, 2024 at 11:10:41AM +0200, Geert Uytterhoeven wrote:
> Hi Krzysztof,
> 
> On Thu, Aug 29, 2024 at 10:55 AM Krzysztof Kozlowski <krzk@...nel.org> wrote:
> > On 28/08/2024 22:10, Geert Uytterhoeven wrote:
> > > On Mon, Aug 19, 2024 at 1:11 PM Krzysztof Kozlowski <krzk@...nel.org> wrote:
> > >> On Wed, Jul 31, 2024 at 09:37:36AM +0200, Geert Uytterhoeven wrote:
> > >>> On Tue, Jul 30, 2024 at 6:24 PM Rob Herring <robh@...nel.org> wrote:
> > >>>> On Fri, Jul 26, 2024 at 03:38:06PM +0200, Geert Uytterhoeven wrote:
> > >>>>> The R-Car E-FUSE blocks can be modelled better using the nvmem
> > >>>>> framework.
> > >>>>>
> > >>>>> Replace the R-Car V3U example by an R-Car S4-8 ES1.2 example, to show
> > >>>>> the definition of nvmem cells.  While at it, drop unneeded labels from
> > >>>>> the examples, and fix indentation.
> > >>>>>
> > >>>>> Add an entry to the MAINTAINERS file.
> > >>>>>
> > >>>>> Reported-by: Arnd Bergmann <arnd@...db.de>
> > >>>>> Signed-off-by: Geert Uytterhoeven <geert+renesas@...der.be>
> > >>>>> ---
> > >>>>> v3:
> > >>>>>   - New.
> > >>>>>
> > >>>>> I would expect that the calib@144 node needs:
> > >>>>>
> > >>>>>     #nvmem-cell-cells = <0>;
> >
> > So this is for mac-base...
> 
> No, mac-base is not involved.

It is because that's the only case that allows #nvmem-cell-cells in 
fixed-cell.yaml. While fixed-cell.yaml allows additional properties, 
where it is referenced in fixed-layout.yaml does not.

Rob