From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tony Lindgren Subject: Re: [PATCH v3 0/4] ARM: dts: Add USB host support for Panda and Beagle-xm Date: Thu, 25 Apr 2013 08:34:17 -0700 Message-ID: <20130425153417.GI5184@atomide.com> References: <1366365457-28972-1-git-send-email-rogerq@ti.com> <20130419154321.GG10155@atomide.com> <5174E27B.5090808@ti.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <5174E27B.5090808@ti.com> Sender: linux-omap-owner@vger.kernel.org To: Roger Quadros Cc: b-cousson@ti.com, nm@ti.com, paul@pwsan.com, linux-omap@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree-discuss@lists.ozlabs.org, "B, Ravi" List-Id: devicetree@vger.kernel.org * Roger Quadros [130422 00:15]: > On 04/19/2013 06:43 PM, Tony Lindgren wrote: > > * Roger Quadros [130419 03:02]: > >> Hi Benoit/Tony > >> > >> I've consolidated all the USB host device tree patches for Panda and Beagles > >> to one place and addressed Tony's comments. > >> > >> NOTE: patch 1 depends on OMAP clock binding introduced in > >> https://lkml.org/lkml/2013/4/12/407 > >> > >> v3: > >> - updated mux mode to use pulldowns on panda as non-DT boot uses pulldowns. > >> - fixed usb pin naming for panda, beagle and beagle-xm > > > > Cool. Sounds like we should be able to make omap4 DT only for v3.11 > > when we say DT only for 3.11, does this mean getting rid of hwmod dependency? That too, but mostly getting rid of the board-*.c files and platform data init for omap4 :) So a saving of about 5000 lines of code and data with the legacy mux data dropped. I have some patches to do that but have not yet posted them as we need to get the boards working well enough with DT first. > > then. For that we also need USB on 4430-sdp working, but it now > > does: > > > > ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver > > ehci-omap 4a064c00.ehci: failed to get phys phandle in /ocp/usbhshost@4a064000/ehci@4a064c00 node > > ehci-omap 4a064c00.ehci: failed to get phys phandle in /ocp/usbhshost@4a064000/ehci@4a064c00 node > > ... > > 4430-sdp (Blaze) does not have EHCI USB Host port. It should be using the > MUSB OTG port. > > > > As I have mine in a rack I don't have anything plugged into the > > USB port there though, but sounds like the phy is not initialized? > > > > +Ravi B. > He might have some clues. Yes please check. Regards, Tony