Patch to make i.MX6DQ USB to support test modes for certification test

Document created by AlanZhang Employee on Apr 1, 2013Last modified by ebiz_ws_prod on Dec 13, 2017
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According to EHSET_v1.01.pdf description (http://testusb.com/EHHS.html), the USB physical certification test are from 2 sides. One test case is PC running USB-IF HSET utility as being USB host to test the target board being USB device; the other case is target board acting as USB host to initate test signals to a test fixture.

The principle of test modes supported are based on Vid/Pid pair  during enumration by host whoever takes.

Apply the attached patch (I use r13.4.1 kernel_imx tree), then enable "FSL_USB_TEST_MODE" in kernel config, rebuild uImage to get the test modes support kernel.

Original Attachment has been moved to: 0001-ENGR00241582-MX6-USB-host-USB-host-certification-pat.patch.zip

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