linux-kernel - Re: [PATCH] nand: Add NAND driver for Mikrotik RB4xx series boards

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Message-ID: <553663CD.5040705@biot.com>
Date:	Tue, 21 Apr 2015 16:50:53 +0200
From:	Bert Vermeulen <bert@...t.com>
To:	dwmw2@...radead.org, computersforpeace@...il.com,
	linux-mtd@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] nand: Add NAND driver for Mikrotik RB4xx series boards

On 21/04/15 16:02, Bert Vermeulen wrote:
> The NAND chip containing the root filesystem is behind an SPI-connected
> CPLD. This driver uses the spi-rb4xx driver to communicate with the CPLD.
>
> The CPLD also acts as a GPIO expander: the ALE/CLE/NCE pins are set via
> CPLD commands. Some LEDs on the board are also accessed this way.

The spi-rb4xx driver can be found here:
https://git.kernel.org/cgit/linux/kernel/git/broonie/spi.git/log/?h=topic/rb4xx

I was a bit quick to pull the trigger on this one: I have some cleanup 
on the Kconfig and headers. I'll wait a couple of days to submit those, 
in case anyone has comments on the code.


-- 
Bert Vermeulen
bert@...t.com
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