STM32_DMA3_DT_PRIO
chan->dt_config.ch_conf = FIELD_PREP(STM32_DMA3_DT_PRIO, CCR_PRIO_VERY_HIGH);
*ccr |= FIELD_PREP(CCR_PRIO, FIELD_GET(STM32_DMA3_DT_PRIO, ch_conf));