ested on a MX31PDK board with a ISP1504 transceiver:

ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
mxc-ehci mxc-ehci.0: initializing i.MX USB Controller
ULPI transceiver vendor/product ID 0x04cc/0x1504
Found NXP ISP1504 ULPI transceiver.
ULPI integrity check: passed.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>