Hi,
We found below post and it seems for DM6446, the usb host can only support up to 3 full usb devices.
http://e2e.ti.com/support/embedded/f/354/p/56689/201364.aspx#201364
Would you pls help to check if this limitation is same for below devices?
DM365/DM368: MV2.6.18
am1808:linux-2.6.33_rc4
dm816x:linux-2.6.37