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From: Arnd Bergmann <arnd@arndb.de>
To: Belisko Marek <marek.belisko@gmail.com>
Cc: Mark Rutland <mark.rutland@arm.com>,
	"gregkh@linuxfoundation.org" <gregkh@linuxfoundation.org>,
	"neilb@suse.de" <neilb@suse.de>,
	"hns@goldelico.com" <hns@goldelico.com>,
	"rob.herring@calxeda.com" <rob.herring@calxeda.com>,
	Pawel Moll <Pawel.Moll@arm.com>,
	"swarren@wwwdotorg.org" <swarren@wwwdotorg.org>,
	"ijc+devicetree@hellion.org.uk" <ijc+devicetree@hellion.org.uk>,
	"rob@landley.net" <rob@landley.net>,
	"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
	"linux-doc@vger.kernel.org" <linux-doc@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 2/3] misc: bmp085: Add DT bindings for EOC gpio line and direct irq.
Date: Mon, 18 Nov 2013 12:38:40 +0100	[thread overview]
Message-ID: <201311181238.40349.arnd@arndb.de> (raw)
In-Reply-To: <CAAfyv346pUa9k3+9jdBX+EK8cV9GenaBxrAnVnKsbUPBoNBqrQ@mail.gmail.com>

On Monday 18 November 2013, Belisko Marek wrote:

> > It would be far nicer for the device binding to just have the interrupts
> > property, and for the gpio controller to act as an interrupt-controller,
> > with the appropriate pin management.
> OK. Can you please give me some example in current bindings tree?
> Something like in:
> Documentation/devicetree/bindings/fb/mxsfb.txt ? So if I understand
> correctly we define only property
> interrupts = <xxx> which will be exact interrupt number for cpu gpio
> connected to bmp085 irq line.
> >

See Documentation/devicetree/bindings/gpio/8xxx_gpio.txt for an example
of a device whose interrupt line is connected to a gpio controller. The
key here is to set the "interrupt-parent" to the gpio node and have
the irq specifier define an interrupt local to that node.

	Arnd

  reply	other threads:[~2013-11-18 11:38 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-11-14 21:46 [PATCH 0/3] Add EOC handling for bmp085 + DT and platform data updates Marek Belisko
2013-11-14 21:46 ` [PATCH 1/3] misc: bmp085: Clean up and enable use of interrupt for completion Marek Belisko
2013-11-14 21:46 ` [PATCH 2/3] misc: bmp085: Add DT bindings for EOC gpio line and direct irq Marek Belisko
2013-11-15 13:56   ` Arnd Bergmann
2013-11-15 15:30   ` Mark Rutland
2013-11-15 18:47     ` Arnd Bergmann
2013-11-18  8:58     ` Belisko Marek
2013-11-18 11:38       ` Arnd Bergmann [this message]
2013-11-14 21:46 ` [PATCH 3/3] misc: bmp085: Add missing platform data Marek Belisko
2013-11-15 13:58   ` Arnd Bergmann
2013-11-16  8:23     ` Dr. H. Nikolaus Schaller

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