TIM_DIER_CC1IE
writel_relaxed(TIM_DIER_CC1IE, timer_of_base(to) + TIM_DIER);
dier &= (TIM_DIER_UIE | TIM_DIER_CC1IE | TIM_DIER_CC2IE | TIM_DIER_CC3IE | TIM_DIER_CC4IE);