linux-kernel - Re: [PATCH v8] gpio: Device tree support for LPC32xx

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Message-Id: <201205041257.58252.arnd@arndb.de>
Date:	Fri, 4 May 2012 12:57:58 +0000
From:	Arnd Bergmann <arnd@...db.de>
To:	Roland Stigge <stigge@...com.de>
Cc:	grant.likely@...retlab.ca, arm@...nel.org,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linus.walleij@...ricsson.com, kevin.wells@....com,
	srinivas.bakki@....com, devicetree-discuss@...ts.ozlabs.org,
	rob.herring@...xeda.com
Subject: Re: [PATCH v8] gpio: Device tree support for LPC32xx

On Thursday 03 May 2012, Roland Stigge wrote:
> This patch adds device tree support for gpio-lpc32xx.c.
> 
> The various GPIO groups correspond to the different irregular GPIO banks of the
> LPC32xx hardware. Most importantly, there are the GPI(0-27), GPO(0-23) and
> GPIO(0-5) banks. Each bank must be registered individually since they are
> implemented with different functions. Registration is done via gpiochip_add()
> which requires an individual gpio bank subnode in the device tree for each
> call.
> 
> Signed-off-by: Roland Stigge <stigge@...com.de>

Reviewed-by: Arnd Bergmann <arnd@...db.de>
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