From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
To: Magnus Damm <magnus.damm@gmail.com>
Cc: linux-kernel@vger.kernel.org, linux-sh@vger.kernel.org,
linus.walleij@linaro.org, grant.likely@secretlab.ca,
horms@verge.net.au
Subject: Re: [PATCH] gpio: Renesas R-Car GPIO driver V3
Date: Tue, 26 Mar 2013 14:03:49 +0100 [thread overview]
Message-ID: <2667057.bEM8NUnrg3@avalon> (raw)
In-Reply-To: <20130326002301.10878.32801.sendpatchset@w520>
Hi Magnus,
Thanks for the patch.
On Tuesday 26 March 2013 09:23:01 Magnus Damm wrote:
> From: Magnus Damm <damm@opensource.se>
>
> This patch is V3 of a GPIO driver for the R-Car series of
> SoCs from Renesas. 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 R-Car H1 (r8a7779).
>
> Each driver instance handles 32 GPIOs with individually
> maskable IRQs. The driver operates on a single I/O memory
> range and the 32 GPIOs are hooked up a single interrupt.
>
> In the case of R-Car H1 either external IRQ pins or GPIOs
> with interrupts can be used for on-board interupts. For
> external IRQs 4 pins are supported, and in the case of GPIO
> there are 202 GPIOS as 202 interrupts hooked up via 6 driver
> instances and to the GIC and the Cortex-A9 Quad.
>
> At this point this driver is interfacing as a regular
> platform device driver. In the future DT support will be
> submitted as an incremental feature patch.
>
> Signed-off-by: Magnus Damm <damm@opensource.se>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
I've taken the patch in my tree.
--
Regards,
Laurent Pinchart
next prev parent reply other threads:[~2013-03-26 13:03 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-03-26 0:23 [PATCH] gpio: Renesas R-Car GPIO driver V3 Magnus Damm
2013-03-26 13:03 ` Laurent Pinchart [this message]
2013-03-26 14:16 ` Magnus Damm
2013-03-27 10:47 ` Simon Horman
2013-03-27 15:16 ` Linus Walleij
2013-03-27 15:46 ` Magnus Damm
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