CR_PROTOCOL_CAP_ADDR_REG
phy_dwc3->base + CR_PROTOCOL_CAP_ADDR_REG);
ret = wait_for_latch(phy_dwc3->base + CR_PROTOCOL_CAP_ADDR_REG);
phy_dwc3->base + CR_PROTOCOL_CAP_ADDR_REG);
ret = wait_for_latch(phy_dwc3->base + CR_PROTOCOL_CAP_ADDR_REG);