CGU_PLL_CTRL_IDIV_SHIFT
val |= cfg->idiv << CGU_PLL_CTRL_IDIV_SHIFT;
idiv = 1 + ((val & CGU_PLL_CTRL_IDIV_MASK) >> CGU_PLL_CTRL_IDIV_SHIFT);
#define CGU_PLL_CTRL_IDIV_MASK GENMASK(8, CGU_PLL_CTRL_IDIV_SHIFT)