Hi Giorgio, On Mon, Nov 14, 2016 at 01:57:17PM +0100, iw3gtf@xxxxxxxx wrote: > Hi, > > I'm currently working on an embedded board with an imx25 soc and I want > to enable the usb otg port of the soc; in my use case I just want the otg port > to be configured in usb host mode and use the integrated UTMI phy. > > I built barebox with usb support and the usb ports are actually found: When USB does not work it's most likely that the usbmisc unit is not properly configured. Have a look at mx25_initialize_usb_hw(). If you previously loaded barebox with imx-usb-loader then you could try skipping the initialization in mx25_initialize_usb_hw() completely. I've seldomly seen that the actual EHCI driver or USB core is the problem when no device is detected. 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