linux-kernel - Re: [PATCH][RESEND] gpio: Emma Mobile GPIO driver V2

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Date:	Fri, 18 May 2012 10:29:00 +0900
From:	Simon Horman <horms@...ge.net.au>
To:	Magnus Damm <magnus.damm@...il.com>
Cc:	linux-kernel@...r.kernel.org, rjw@...k.pl,
	linus.walleij@...ricsson.com, arnd@...db.de,
	linux-sh@...r.kernel.org, grant.likely@...retlab.ca,
	lethal@...ux-sh.org, olof@...om.net
Subject: Re: [PATCH][RESEND] gpio: Emma Mobile GPIO driver V2

On Thu, May 17, 2012 at 03:22:23PM +0900, Magnus Damm wrote:
> From: Magnus Damm <damm@...nsource.se>
> 
> This patch is V2 of the Emma Mobile GPIO driver. This
> driver is designed to be reusable between multiple SoCs
> that share the same basic building block, but so far it
> has only been used on Emma Mobile EV2.
> 
> Each driver instance handles 32 GPIOs with individually
> maskable IRQs. The driver operates on two I/O memory 
> ranges and the 32 GPIOs are hooked up to two interrupts.
> 
> In the case of Emma Mobile EV2 this GPIO building block
> is used as main external interrupt controller hooking up
> 159 GPIOS as 159 interrupts via 5 driver instances and
> 10 interrupts to the GIC and the Cortex-A9 Dual.
> 
> Signed-off-by: Magnus Damm <damm@...nsource.se>
> Acked-by: Linus Walleij <linus.walleij@...aro.org>

Tested-by: Simon Horman <horms@...ge.net.au>
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