From: Mark Brown <broonie@kernel.org>
To: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Linus Walleij <linus.walleij@linaro.org>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-gpio@vger.kernel.org" <linux-gpio@vger.kernel.org>,
Grant Likely <grant.likely@linaro.org>,
Guennadi Liakhovetski <g.liakhovetski@gmx.de>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>
Subject: Re: How to create IRQ mappings in a GPIO driver that doesn't control its IRQ domain ?
Date: Thu, 25 Jul 2013 14:55:47 +0100 [thread overview]
Message-ID: <20130725135547.GG9858@sirena.org.uk> (raw)
In-Reply-To: <1681089.qGWOhLKTTo@avalon>
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On Thu, Jul 25, 2013 at 03:22:29PM +0200, Laurent Pinchart wrote:
> On Thursday 25 July 2013 14:15:56 Mark Brown wrote:
> > Are the interrupts in a contiguous block in the controller so you can just
> > pass around the controller and a base number?
> In two of the three SoCs I need to fix they are. I've just realized that in
> the last one the interrupts are in two contiguous blocks in two different
> parents. I will thus need at least a list of <parent-phandle base count>. Our
> standard interrupt bindings don't seem to support multiple parents, is that
> something that we want to fix or should I go for custom bindings ?
It seems reasonable to define the bindings in a generic way in case
other people have the same problem but it's possible I may be missing a
trick regarding how to do this in DT so don't take my word for it.
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From: broonie@kernel.org (Mark Brown)
To: linux-arm-kernel@lists.infradead.org
Subject: How to create IRQ mappings in a GPIO driver that doesn't control its IRQ domain ?
Date: Thu, 25 Jul 2013 14:55:47 +0100 [thread overview]
Message-ID: <20130725135547.GG9858@sirena.org.uk> (raw)
In-Reply-To: <1681089.qGWOhLKTTo@avalon>
On Thu, Jul 25, 2013 at 03:22:29PM +0200, Laurent Pinchart wrote:
> On Thursday 25 July 2013 14:15:56 Mark Brown wrote:
> > Are the interrupts in a contiguous block in the controller so you can just
> > pass around the controller and a base number?
> In two of the three SoCs I need to fix they are. I've just realized that in
> the last one the interrupts are in two contiguous blocks in two different
> parents. I will thus need at least a list of <parent-phandle base count>. Our
> standard interrupt bindings don't seem to support multiple parents, is that
> something that we want to fix or should I go for custom bindings ?
It seems reasonable to define the bindings in a generic way in case
other people have the same problem but it's possible I may be missing a
trick regarding how to do this in DT so don't take my word for it.
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next prev parent reply other threads:[~2013-07-25 13:55 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-23 23:21 How to create IRQ mappings in a GPIO driver that doesn't control its IRQ domain ? Laurent Pinchart
2013-07-23 23:21 ` Laurent Pinchart
2013-07-24 20:24 ` Grant Likely
2013-07-24 20:24 ` Grant Likely
2013-07-25 9:42 ` Laurent Pinchart
2013-07-25 9:42 ` Laurent Pinchart
2013-07-25 9:20 ` Linus Walleij
2013-07-25 9:20 ` Linus Walleij
2013-07-25 9:45 ` Laurent Pinchart
2013-07-25 9:45 ` Laurent Pinchart
2013-07-25 13:15 ` Mark Brown
2013-07-25 13:15 ` Mark Brown
2013-07-25 13:21 ` Linus Walleij
2013-07-25 13:21 ` Linus Walleij
2013-07-25 13:53 ` Mark Brown
2013-07-25 13:53 ` Mark Brown
2013-07-25 13:22 ` Laurent Pinchart
2013-07-25 13:22 ` Laurent Pinchart
2013-07-25 13:55 ` Mark Brown [this message]
2013-07-25 13:55 ` Mark Brown
2013-07-28 5:00 ` Grant Likely
2013-07-28 5:00 ` Grant Likely
2013-07-31 11:14 ` Laurent Pinchart
2013-07-31 11:14 ` Laurent Pinchart
2013-07-25 13:19 ` Linus Walleij
2013-07-25 13:19 ` Linus Walleij
2013-07-28 10:07 ` Tomasz Figa
2013-07-28 10:07 ` Tomasz Figa
2013-07-31 11:11 ` Laurent Pinchart
2013-07-31 11:11 ` Laurent Pinchart
2013-07-31 11:29 ` Tomasz Figa
2013-07-31 11:29 ` Tomasz Figa
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