P2F_RG_CYCLECNT
tmp &= ~(P2F_RG_CYCLECNT | P2F_RG_MONCLK_SEL);
tmp |= FIELD_PREP(P2F_RG_CYCLECNT, U3P_FM_DET_CYCLE_CNT);
mtk_phy_update_field(pbase + XSP_U2FREQ_FMCR0, P2F_RG_CYCLECNT,