From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thomas Weber Subject: Re: [PATCH 7/9] OMAP: Devkit8000: Fix wrong usb port on Devkit8000 Date: Wed, 07 Apr 2010 19:47:07 +0200 Message-ID: <4BBCC51B.8040504@gmail.com> References: <1269435138-27192-1-git-send-email-weber@corscience.de> <1269435138-27192-8-git-send-email-weber@corscience.de> <20100324130001.GK29419@nokia.com> <20100329203432.GB31402@nokia.com> <5A47E75E594F054BAF48C5E4FC4B92AB032231D1BE@dbde02.ent.ti.com> <4BB1A531.10906@corscience.de> <5A47E75E594F054BAF48C5E4FC4B92AB032231D221@dbde02.ent.ti.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from mail-bw0-f209.google.com ([209.85.218.209]:49189 "EHLO mail-bw0-f209.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756245Ab0DGSp0 (ORCPT ); Wed, 7 Apr 2010 14:45:26 -0400 Received: by bwz1 with SMTP id 1so1126322bwz.21 for ; Wed, 07 Apr 2010 11:45:24 -0700 (PDT) In-Reply-To: <5A47E75E594F054BAF48C5E4FC4B92AB032231D221@dbde02.ent.ti.com> Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: "Gadiyar, Anand" Cc: Thomas Weber , "felipe.balbi@nokia.com" , "linux-omap@vger.kernel.org" , "tony@atomide.com" On 30.03.2010 08:29, Gadiyar, Anand wrote: > Thomas Weber wrote: > >> Hi, >> I tried to find some users but they are in holiday for a longer time or >> didn't respond. >> >> I will try to explain the problem why I disabled the usb-port2. >> The devkit8000 has only one mini-usb-port and one usb-host port like the >> beagleboard. The usb2-port on the devkit8000 has some gpios attached for >> mmc and touchscreen. Thatswhy the mmc was not working, when the usb-ehci >> was enabled on this port. >> >> The beagleboard has also only one usb-host exposed, but there is no >> other thing connected to the not exposed usb-port. >> > Yup, I've been bitten by this before on other boards. Marking the > wrong port as an EHCI port will result in 12 pads being put in the > wrong mux-mode straight away, due to the padconf settings we do in > usb-ehci.c. With 12-pads, there's a very high chance that you lose > other functionality. > > The patch has my ack. > > Is there a link to the schematics somewhere, so the next time we > see something like this, we can just use those as reference? > > > Hi, the schematics are on my desk, and I wrote an email to TimLL if they are freely available. No answer until now. Thomas