SSB_PMU1_PLLCTL3_NDIVFRAC
pllctl &= ~SSB_PMU1_PLLCTL3_NDIVFRAC;
pllctl |= ((u32)e->ndiv_frac << SSB_PMU1_PLLCTL3_NDIVFRAC_SHIFT) & SSB_PMU1_PLLCTL3_NDIVFRAC;