IMX_P0PHYCR_CR_WRITE
crval |= IMX_P0PHYCR_CR_WRITE;
ret = imx_phy_crbit_assert(mmio, IMX_P0PHYCR_CR_WRITE, true);
ret = imx_phy_crbit_assert(mmio, IMX_P0PHYCR_CR_WRITE, false);