I followed page 53 and 54 of I.MX6/7 Series USB Certification Guide Rev. 1,02/2017 to do USB2.0 Host High-speed Signal Quality Test.
However, there is no pattern produced from USB host.
Please help to confirmed it.
Some information as below:
test port: USB2.0(Host)
USB test app: N5416A
differential probe: 1169A
test fixture: E2649-26402 Rev 005.
USB 2.0 HOST test fixture connection:
EHCI HS test tool:
no pattern trigger detect: