I tried the method in the link below with version L4T r28.2.1 again.
The hardware is the same.
This time, USB 2.0 micro-b port is working
and USB 3.0 Type-A port works only on one side(USB_SSO_RX,USB_SSO_TX,USB1_D,USB1_EN_OC).
The log obtained by the dmesg command is uploaded.
kernel.log (57.0 KB)