Heikki Krogerus <heikki.krogerus@xxxxxxxxxxxxxxx> writes: > On Thu, Oct 22, 2020 at 11:06:59PM +0200, Dmitry N. Mikushin wrote: >> Yes, AFAIK PCI_DEVICE_ID_INTEL_GLK_XHCI is actually 0x31a8, and I do have it: >> >> 00:15.0 USB controller [0c03]: Intel Corporation Device [8086:31a8] (rev 03) > > That is the xHCI controller, and it is not what you need if you want > to use the connector in device mode. The xHCI and DWC3 IPs are > separate IPs on GLK. That is why there is a mux between the two. The > dwc3 USB device controller has device ID 31aa, so you want to see a > PCI device with the device ID. It's not there. > > So the dwc3 PCI device is not enabled on your board, which means you > do not have USB device controller to deal with. The connector is in > host mode only. Sorry. > > If you can enter the BIOS menu, then you can try to find an option > named XDCI (so that's "XDCI" not "xHCI"). It is usually somewhere > under some USB menu. If you have that, then enable it, and you should > see the dwc3 PCI device in the operating system. Also, have a look at acpidump. See if the device even exists in your DSDT but, perhaps, disabled (look at the _STA method for OTDG or XDCI) -- balbi
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