linux-kernel - Re: [PATCH v3 4/4] soc: Add SoC driver for Freescale Vybrid platform

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Date:	Fri, 27 May 2016 15:38:17 +0530
From:	maitysanchayan@...il.com
To:	Arnd Bergmann <arnd@...db.de>
Cc:	Rob Herring <robh@...nel.org>, Shawn Guo <shawnguo@...nel.org>,
	Stefan Agner <stefan@...er.ch>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 4/4] soc: Add SoC driver for Freescale Vybrid platform

On 16-05-27 10:31:55, Arnd Bergmann wrote:
> On Friday, May 27, 2016 12:03:01 PM CEST maitysanchayan@...il.com wrote:
> > 
> > So if I understand correctly, the binding at the SoC level is fine.
> > Keeping that but removing the additional made-up properties, viz. below
> > 
> > rom-revision: phandle to the on-chip ROM node
> > mscm: phandle to the MSCM CPU configuration node
> > nvmem-cells: phandles to two OCOTP child nodes ocotp_cfg0 and ocotp_cfg1
> > nvmem-cell-names: should contain string names "cfg0" and "cfg1"
> > 
> > would be fine?
> > 
> > We would have something similar to here
> > http://www.spinics.net/lists/devicetree/msg80655.html
> > 
> > but now with the DT binding under SoC bus.
> > 
> 
> 
> You look up the OTP device as a syscon here, which seems odd since there
> is already an nvmem driver for it. Shouldn't you use the nvmem API for
> that?
> 
> 	Arnd

I need the following 

nvmem-cells: phandles to two OCOTP child nodes ocotp_cfg0 and ocotp_cfg1
nvmem-cell-names: should contain string names "cfg0" and "cfg1"

to be able to use the NVMEM consumer API.

If I can put them at SoC node level then I certainly can use the NVMEM API.

Regards,
Sanchayan.