Please try to set USB controller as host-only mode with setting
dr_mode = "peripheral"
in the DTS file. It may help.
Please refer to chapter 39.2.6 "Changing the Controller Operation Mode" of i.MX Linux Reference Manual for the details.
You can get the documentation here:
https://www.nxp.com/webapp/Download?colCode=L4.1.15_2.0.0-LINUX-DOCS
Have a great day,
Victor
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