USB_CLOCK
qe_usb_clock_set(fhci->fullspeed_clk, USB_CLOCK);
qe_usb_clock_set(fhci->lowspeed_clk, USB_CLOCK >> 3);
ret = qe_usb_clock_set(fhci->lowspeed_clk, USB_CLOCK >> 3);
ret = qe_usb_clock_set(fhci->fullspeed_clk, USB_CLOCK);