Date: Wed, 4 Jun 2014 19:37:01 +0200
From: Antoine =?iso-8859-1?Q?T=E9nart?= 
	<antoine.tenart@free-electrons.com>
To: Andrew Lunn <andrew@lunn.ch>
Cc: Antoine =?iso-8859-1?Q?T=E9nart?= 
	<antoine.tenart@free-electrons.com>,
        sebastian.hesselbarth@gmail.com, thomas.petazzoni@free-electrons.com,
        zmxu@marvell.com, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org, alexandre.belloni@free-electrons.com,
        jszhang@marvell.com, linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 2/2] ARM: dts: berlin: enable i2c0 and i2c2
Message-ID: <20140604173701.GC12859@kwain>
References: <1401780790-17830-1-git-send-email-antoine.tenart@free-electrons.com>
 <1401780790-17830-3-git-send-email-antoine.tenart@free-electrons.com>
 <20140603080522.GB22742@lunn.ch>
 <20140604164841.GA12859@kwain>
 <20140604170340.GI6892@lunn.ch>
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On Wed, Jun 04, 2014 at 07:03:40PM +0200, Andrew Lunn wrote:
> On Wed, Jun 04, 2014 at 06:48:41PM +0200, Antoine T?nart wrote:
> > 
> > On Tue, Jun 03, 2014 at 10:05:22AM +0200, Andrew Lunn wrote:
> > > On Tue, Jun 03, 2014 at 09:33:10AM +0200, Antoine T?nart wrote:
> > > > Enable the I2C0 and I2C2 for the Marvell Berlin BG2G DMP. I2C1 and I2C3
> > > > are also working on this board, but no devices seemed to be there.
> > > 
> > > Does this mean that IC0 and I2C2 have devices on them? Could you also
> > > add nodes for the devices?
> > 
> > No devices I can add for now. I you prefer we can drop this patch, keep
> > the other one and enable i2c nodes for the BG2Q DMP when they will be
> > needed.
> 
> I was just wondering how you tested it, without having any devices?

I tested with the i2ctools. I could see one device on each bus at the
address it should be. I also tested the pin muxing configurations.

I don't have lots of information on these I2C buses, at least my test
results match what I know.

> Is it that the devices on the bus don't have mainline drivers?

Not with I2C support.

Antoine

-- 
Antoine T?nart, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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