On Tue, Oct 29, 2013 at 01:04:57PM +0400, Alexander Shiyan wrote: > > On Mon, Oct 28, 2013 at 07:50:21PM +0400, Alexander Shiyan wrote: > > > Hello. > > > > > > I am trying to migrate i.MX51 ConnectCore board for use DT. > > > Most stuff are done but I cannot understand how USB subsystem > > > works with devicetree. > > > > > > First, why barebox uses own "barebox,dr_mode" and "barebox,phy_type" > > > properties instead of use kernel "dr_mode" and "phy_type"? > > > > By the time I created this binding the binding for the kernel was not > > mainline, so I decided to use barebox,x to not end up with an > > incompatible binding. As the binding made it mainline now we can drop > > the "barebox," now. > > Understood. > > > > Second, how specify flags for USB ports, for example MXC_EHCI_INTERNAL_PHY? > > > In DT case we can not do it and as result desired port not functional... > > > > Could it be that this flag should simply be dropped? According to the > > Block diagram (Freescale i.MX53 ref manual v2.1, page 4700) the otg port > > is hardwired to the internal utmi phy, so having this configurable makes > > no sense. > > I checked it for i.MX51. Everything works. > Will it be the right solution for all i.MX CPUs? At least for i.MX51/53 this is correct. For i.MX51 it seems to be possible to use the internal UTMI phy or an external ULPI phy for the OTG port. > If so, I will write a patch for both issues. Or you? Go ahead and write a patch. I'll give it a test on my i.MX51 efikasb then. Sascha -- Pengutronix e.K. | | Industrial Linux Solutions | http://www.pengutronix.de/ | Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox
