From mboxrd@z Thu Jan  1 00:00:00 1970
From: Florian Vaussard <florian.vaussard@epfl.ch>
Subject: Re: [PATCH 1/1] ARM: dts: OMAP3: Add gpio-twl4030 properties for
 Overo
Date: Mon, 10 Sep 2012 16:07:39 +0200
Message-ID: <504DF42B.1060307@epfl.ch>
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To: Benoit Cousson <b-cousson@ti.com>
Cc: Tony Lindgren <tony@atomide.com>, Steve Sakoman <steve@sakoman.com>, linux-omap@vger.kernel.org, devicetree-discuss@lists.ozlabs.org, linux-arm-kernel@lists.infradead.org
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>>>
>>> BTW, I'm just wondering. Cannot we use overo without tobi?
>>>
>>> In that case, the model and compatible should probably be used as well:
>>>
>>>      model = "TI OMAP3 Gumstix Overo";
>>>      compatible = "ti,omap3-overo", "ti,omap3";
>>
>> No, it cannot. The Overo needs to be plugged into an expansion board, at
>> least to get the power. Hence the absence of model and compatible in
>> omap3-overo.dtsi.
>
> OK, cool. I was wondering because we already have a board-overo.c in the
> kernel, and there is no mention of tobi.

In board-overo.c, the various features of each expansion board are
configured using CONFIG_* options, which is not possible when booting
with a device tree.

Regards,
Florian