From mboxrd@z Thu Jan  1 00:00:00 1970
Date: Mon, 2 Feb 2015 00:00:13 -0800
From: Brian Norris <computersforpeace@gmail.com>
To: Boris Brezillon <boris.brezillon@free-electrons.com>
Subject: Re: [PATCH 0/4] mtd: nand: atmel: Rework DT representation of NFC/NAND
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Cc: Mark Rutland <mark.rutland@arm.com>, devicetree@vger.kernel.org,
 Pawel Moll <pawel.moll@arm.com>, Ian Campbell <ijc+devicetree@hellion.org.uk>,
 David Woodhouse <dwmw2@infradead.org>, Nicolas Ferre <nicolas.ferre@atmel.com>,
 linux-kernel@vger.kernel.org, Josh Wu <josh.wu@atmel.com>,
 Rob Herring <robh+dt@kernel.org>, linux-mtd@lists.infradead.org,
 Kumar Gala <galak@codeaurora.org>,
 Alexandre Belloni <alexandre.belloni@free-electrons.com>,
 Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>,
 Andrew Victor <linux@maxim.org.za>, linux-arm-kernel@lists.infradead.org
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On Thu, Dec 04, 2014 at 11:30:10PM +0100, Boris Brezillon wrote:
> While working on the EBI driver [1] I noticed that the relationship between
> the NFC (NAND Flash Controller) and the NAND chip it is attached to would
> make things harder to represent when moving the NAND node under the EBI bus
> (another useless 'ranges' definition).
> 
> Actually this representation might be even more problematic if one wants
> decide to connect two NAND chips on his sama5 based board, because the NFC
> node is a child of the NAND chip node, and thus can only be attached to a
> single NAND chip.
> 
> To address this problem the current series moves the NFC node outside of
> the NAND chip device which then reference the NFC using the "atmel,nfc"
> property.
> 
> The series does not implement multi-chip support, but at least the new
> representation should make it possible.

I made some comments on the DT binding. I'm not as familiar withi the
hardware details here, so I may be off base. At any rate, the code looks
OK, so if we settle the binding issue OK, then I'd be happy with a
rebased version of this patch set.

Regards,
Brian