SIBA_CC_PMU1_PLL0_P1DIV
pll &= ~(SIBA_CC_PMU1_PLL0_P1DIV | SIBA_CC_PMU1_PLL0_P2DIV);
pll |= ((uint32_t)e->p1div << 20) & SIBA_CC_PMU1_PLL0_P1DIV;