Hi, Ranran <ranshalit@xxxxxxxxx> writes: >> Ranran <ranshalit@xxxxxxxxx> writes: >> > > A fix for my last comment: >> >> > usb device controller should be supported with conga-MA5 (contains >> >> > Intel's appolo lake), so I am still not sure why I find /sys/class/udc >> >> > empty. >> >> > In congatec MA-5 document it is said: >> >> > "The conga-MA5 offers six USB 2.0 interfaces on the COM Express >> >> > connector including one USB 2.0 Dual Role port. The xHCI host >> >> > controller in the SoC complies with USB standard 1.1 and 2.0 with >> >> > high-speed, full-speed and low-speed USB signalling. Note USB Dual >> >> > Role is only supported under Linux. The port is a standard USB Host >> >> > port under Windows." >> >> > Maybe some configuration in my .config is missing ? (I enabled all >> >> > controllers in device-drivers->usb->usb-> gadget->usb peripheral >> >> > control , so I am not sure what is still missing) >> >> >> >> do you have the PCI device enabled? what do you get with lspci -nnnn ? >> >> >> > >> > Yes, here it is: >> >> it's not. APL's dwc3 ID 0x5aaa. See dwc3-pci.c: >> >> #define PCI_DEVICE_ID_INTEL_APL 0x5aaa >> >> you only have xhci enabled, not dwc3. >> > Right, I made big confusion in things. sorry ! > So, it seems that I don't have any usb peripheral controller (xhci is > only host and there is no other usb device controller listed above), > Right ? right -- balbi
