DKL_CLKTOP2_HSCLKCTL
intel_dkl_phy_read(display, DKL_CLKTOP2_HSCLKCTL(tc_port));
val = intel_dkl_phy_read(display, DKL_CLKTOP2_HSCLKCTL(tc_port));
intel_dkl_phy_write(display, DKL_CLKTOP2_HSCLKCTL(tc_port), val);