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    iMX8QM FUSB302 Type-C Initialization Issue

Question asked by prashanth kumar on Mar 27, 2019
Latest reply on Apr 1, 2019 by Diego Adrian Cuevas



We are working on iMX8QM custom board with 4.14.78 Kernel BSP release, in which we are using "FUSB302" Kernel driver for USB 3.0 Type-C detection.


The USB Type-C devices detecting as 3.0 (Super Speed) during the hot plug, but during kernel boot the same is detecting as 2.0 (High Speed).


Detection during boot time:
usb 1-1: new high-speed USB device number 2 using cdns-usb3


Detection during hot plug:
usb 1-1: new SuperSpeed USB device number 2 using cdns-usb3

Is the same issue observed in iMX8QM reference board?
Kindly suggest the solution as soon as possible.


Best Regards,

Prashanth Kumar K