From: Lee Jones <lee.jones@linaro.org>
To: Arnd Bergmann <arnd@arndb.de>
Cc: Pantelis Antoniou <panto@antoniou-consulting.com>,
Tony Lindgren <tony@atomide.com>,
Grant Likely <grant.likely@secretlab.ca>,
Rob Herring <rob.herring@calxeda.com>,
Rob Landley <rob@landley.net>, Jon Loeliger <jdl@jdl.com>,
Stephen Warren <swarren@wwwdotorg.org>,
David Gibson <david@gibson.dropbear.id.au>,
Benoit Cousson <b-cousson@ti.com>,
Mitch Bradley <wmb@firmworks.com>, Alan Tull <atull@altera.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
linux-omap@vger.kernel.org, devicetree-discuss@lists.ozlabs.org,
linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org,
Matt Porter <mporter@ti.com>, Russ Dill <Russ.Dill@ti.com>,
Koen Kooi <koen@dominion.thruhere.net>,
Joel A Fernandes <agnel.joel@gmail.com>,
Rob Clark <robdclark@gmail.com>,
Jason Kridner <jkridner@beagleboard.org>,
Matt Ranostay <mranostay@gmail.com>,
Sascha Hauer <s.hauer@pengutronix.de>,
Linu
Subject: Re: [PATCH 1/5] capemgr: Beaglebone DT overlay based cape manager
Date: Wed, 9 Jan 2013 08:11:31 +0000 [thread overview]
Message-ID: <20130109081131.GH21994@gmail.com> (raw)
In-Reply-To: <201301081612.59292.arnd@arndb.de>
On Tue, 08 Jan 2013, Arnd Bergmann wrote:
> On Tuesday 08 January 2013, Pantelis Antoniou wrote:
> > On Jan 8, 2013, at 2:12 PM, Arnd Bergmann wrote:
> >
> > > On Tuesday 08 January 2013, Lee Jones wrote:
> > >>> If there is not, there is no way to automatically load the overlays; you can always
> > >>> use the kernel command line, or have the a user space application to request the loading
> > >>> of a specific board's overlay.
> > >>
> > >> Unfortunately, there is no way to probe the UIBs. :(
> > >
> > > I thought that some of the newer UIBs had it, just not the old ones.
> > > As Pantelis says, we could at least detect the ones that have an EEPROM
> > > on them, and use a command line option or device tree attribute for the others.
> > >
> > > Arnd
> >
> > So I gather the new ones have an eeprom?
>
> I don't remember the details unfortunately. Lee should be the one who can find out.
> IIRC there was at least a single integeger number on them.
Not as far as I can remember. There was (is?) a crude method of
identifying UIBs, but attempting to obtain certain I2C lines and
testing which ones were accessible. However, if there is an issue
with I2C, the wrong UIB was 'probed'.
--
Lee Jones
Linaro ST-Ericsson Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog
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next prev parent reply other threads:[~2013-01-09 8:11 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-01-07 18:51 [PATCH 0/5] DT Overlay based cape manager for TI's Beaglebone Pantelis Antoniou
2013-01-07 18:51 ` [PATCH 1/5] capemgr: Beaglebone DT overlay based cape manager Pantelis Antoniou
2013-01-07 20:09 ` Tony Lindgren
2013-01-07 20:13 ` Pantelis Antoniou
2013-01-07 20:23 ` Tony Lindgren
[not found] ` <20130107202306.GH14149-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org>
2013-01-07 20:26 ` Pantelis Antoniou
2013-01-07 20:35 ` Tony Lindgren
2013-01-07 20:40 ` Pantelis Antoniou
2013-01-07 21:05 ` Tony Lindgren
2013-01-07 21:35 ` Arnd Bergmann
2013-01-08 9:15 ` Pantelis Antoniou
2013-01-08 9:51 ` Guennadi Liakhovetski
2013-01-08 10:07 ` Pantelis Antoniou
2013-01-08 10:00 ` Lee Jones
2013-01-08 10:10 ` Pantelis Antoniou
2013-01-08 10:48 ` Lee Jones
2013-01-08 12:12 ` Arnd Bergmann
2013-01-08 13:26 ` Pantelis Antoniou
2013-01-08 16:12 ` Arnd Bergmann
2013-01-09 8:11 ` Lee Jones [this message]
2013-01-09 8:29 ` Linus Walleij
[not found] ` <CACRpkdbx7ptCugpc1+JC5Yk+n835goOuoF6q0pdizsjpZ-G9mQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-01-09 9:56 ` Pantelis Antoniou
[not found] ` <57EDCDB4-2AC9-4052-BBA6-9F4A5D3C3D8C-wVdstyuyKrO8r51toPun2/C9HSW9iNxf@public.gmane.org>
2013-01-09 10:21 ` Arnd Bergmann
[not found] ` <201301091021.24147.arnd-r2nGTMty4D4@public.gmane.org>
2013-01-09 10:24 ` Pantelis Antoniou
2013-01-09 11:48 ` Arnd Bergmann
[not found] ` <201301091148.09320.arnd-r2nGTMty4D4@public.gmane.org>
2013-01-17 10:20 ` Linus Walleij
[not found] ` <CACRpkdZ8hgV_=ev8Kcq=i7K15jrvwW+Or7p+=8fP+8Rb7GGvTQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-01-17 10:35 ` Arnd Bergmann
[not found] ` <201301171035.41407.arnd-r2nGTMty4D4@public.gmane.org>
2013-01-17 14:02 ` Linus Walleij
2013-03-26 16:16 ` Grant Likely
2013-03-26 18:40 ` Greg Kroah-Hartman
2013-01-08 11:14 ` Sascha Hauer
[not found] ` <201301072135.05166.arnd-r2nGTMty4D4@public.gmane.org>
2013-04-15 10:14 ` Jean-Christophe PLAGNIOL-VILLARD
2013-01-07 18:51 ` [PATCH 2/5] capemgr: Add beaglebone's cape driver bindings Pantelis Antoniou
2013-03-26 17:36 ` Grant Likely
2013-03-27 9:26 ` Pantelis Antoniou
[not found] ` <1357584666-17374-1-git-send-email-panto-wVdstyuyKrO8r51toPun2/C9HSW9iNxf@public.gmane.org>
2013-01-07 18:51 ` [PATCH 3/5] capemgr: am335x-bone capemgr bindings Pantelis Antoniou
2013-01-07 18:51 ` [PATCH 4/5] capemgr: firmware makefiles for DT objects Pantelis Antoniou
2013-01-07 18:51 ` [PATCH 5/5] capemgr: Weather cape cape definition Pantelis Antoniou
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