On Mon, Dec 01, 2014 at 08:57:14AM +0100, Yegor Yefremov wrote: > On Sat, Nov 29, 2014 at 4:35 PM, Felipe Balbi <balbi@xxxxxx> wrote: > > Hi, > > > > On Fri, Nov 28, 2014 at 11:35:53AM +0100, Yegor Yefremov wrote: > >> On Wed, Nov 19, 2014 at 6:53 PM, Tony Lindgren <tony@xxxxxxxxxxx> wrote: > >> > * Enric Balletbo Serra <eballetbo@xxxxxxxxx> [141119 03:14]: > >> >> 2014-11-18 16:42 GMT+01:00 Tony Lindgren <tony@xxxxxxxxxxx>: > >> >> > >> >> Checked again, and no luck. It's very weird because from the OTG point > >> >> of view, OTG is exactly the same between Beagleboard-XM and IGEPv2. > >> >> > >> >> Can you confirm that you're using kernel 3.18-rc5 without other > >> >> patches applied ? At this moment, I don't have a Beagleboard-XM to > >> >> test, I'll try to get one because at this moment I'm a bit stuck with > >> >> this problem. > >> > > >> > Yes it was with v3.18-rc5 and the defconfig patch I posted except > >> > I had to disable all the other MUSB platforms. Also tested it with > >> > built in modules. > >> > > >> > Maybe you need to check the .dts pinctrl entries for hsusb0_* lines? > >> > >> Just my 2 cents, My am335x based board shows similar symptoms > >> (CONFIG_USB_MUSB_DUAL_ROLE enabled). Only if I specify dr_mode = > >> "host"; in my DTS I get device enumerated. 3.15, that I had before > >> made no problems as OTG. > > > > Are you sure your ID pin is properly routed ? If you set dr_mode to otg, > > then you *must* have a properly routed ID pin and use a proper > > micro-/mini-ab receptacle. That's not true for e.g. beagle bone black. > > > > One USB port is using a Standard-A while the other uses mini-B. You > > can't do any role swapping with those. > > Yes, I'm sure, that ID pin is routed properly. It is also not BBB, but > real device Baltos iR 5221 > (http://visionsystems.de/produkte/baltos-ir-5221.html). With 3.15 I'm > able to use OTG port both as device and host. I boot the device, > insert FTDI based hardware into OTG port and my ttyUSBx devices, then > disconnect and connect to PC and I get usb0 network interface and can > communicate with PC. if you know it works on v3.15, then you have a bisection point. Can you bisect it down to one commit ? -- balbi
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