Test Steps:
1. In BIOS setup, enable xDCI as below :
Intel Advanced Menu -> PCH-IO Configuration -> USB Configuration-> xDCI Support
-> [Enabled]
2. Boot to OS
3. Check dmesg to see if BIOS pass pci device info as below :
[ 4.534064] pci 0000:00:14.0: [8086:4b7d] type 00 class 0x0c0330
[ 4.553963] pci 0000:00:14.1: [8086:4b7e] type 00 class 0x0c03fe => dwc3 device
4. Check lspci -v
0000:00:14.1 USB controller: Intel Corporation Device 4b7e (prog-if fe [USB
Device])
Subsystem: Intel Corporation Device 7270
Flags: bus master, fast devsel, latency 0, IRQ 17
Memory at 6080000000 (64-bit, non-prefetchable) [size=2M]
Memory at 60805e5000 (64-bit, non-prefetchable) [size=4K]
Capabilities: <access denied>
Kernel driver in use: dwc3-pci
5. Connect Target device to a PC or Notebook via OTG Cable, check if PC or
Notebook could see Target device as Mass Storage.
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Packages, which is subscribed to linux-intel in Ubuntu.
https://bugs.launchpad.net/bugs/1929902
Title:
[EHL] enable USB-dw3
Status in intel:
Fix Committed
Status in linux package in Ubuntu:
Incomplete
Status in linux-intel package in Ubuntu:
Fix Committed
Bug description:
Description
Enable USB-dw3 for Elkhart Lake
Hardware: Elkhart Lake
Target Release: 21.04
Target Kernel: TBD
External links:
https://github.com/intel/linux-intel-quilt/tree/mainline-tracking-v5.11-yocto-210223T083754Z
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