CPG_FRQCRC_ZFC_SHIFT
val |= (32 - mult) << CPG_FRQCRC_ZFC_SHIFT;
#define CPG_FRQCRC_ZFC_MASK (0x1f << CPG_FRQCRC_ZFC_SHIFT)
val = (readl(zclk->reg) & CPG_FRQCRC_ZFC_MASK) >> CPG_FRQCRC_ZFC_SHIFT;