Date: Mon, 20 Aug 2012 09:13:06 +0200
From: Thierry Reding <thierry.reding@avionic-design.de>
To: Wolfram Sang <w.sang@pengutronix.de>
Cc: Jean Delvare <khali@linux-fr.org>, Ben Dooks <ben-linux@fluff.org>,
        Daniel Kurtz <djkurtz@chromium.org>, linux-i2c@vger.kernel.org,
        linux-kernel@vger.kernel.org
Subject: Re: [PATCH] i2c-i801: Add device tree support
Message-ID: <20120820071306.GA2409@avionic-0098.mockup.avionic-design.de>
References: <1344409609-1904-1-git-send-email-thierry.reding@avionic-design.de>
 <20120818094846.GA24812@pengutronix.de>
 <20120818111745.GA15702@avionic-0098.mockup.avionic-design.de>
 <20120818121628.GB12839@pengutronix.de>
 <20120818123527.GA28701@avionic-0098.adnet.avionic-design.de>
 <20120818190152.GE19802@pengutronix.de>
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On Sat, Aug 18, 2012 at 09:01:52PM +0200, Wolfram Sang wrote:
>=20
> > > I thought to recall that busses which can be probed at runtime should
> > > not have nodes but should be probed. Maybe that was wrong. Can you po=
int
> > > me to a dts-file with an example?
> >=20
> > That approach doesn't work for I2C controllers, though because you
> > couldn't attach an slaves to them. The same goes for SPI controllers or
> > any other dumb busses that can't be probed.
>=20
> I understand the problem. I was wondering how it has been solved. Thanks
> for the pointer, I got the idea now.
>=20
> > arch/x86/platform/ce4100/falconfalls.dts is an example for an X86
> > platform where PCI devices have associated device tree nodes.
>=20
> Do you intend to send a dts file mainline which needs the patch you sent?

Yes. I have an x86 platform which has an lm63 temperature sensor
connected to the i801. There are a couple of loose ends that I need to
take care of before I can send the DTS. I can send it for reference, but
it won't be of much use because other things are still missing from the
kernel and I don't know in what timeframe they can be applied.

Thierry

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