diff --git a/include/dma.h b/include/dma.h
index 2b5828f4fbc..29a12c2f1c1 100644
--- a/include/dma.h
+++ b/include/dma.h
@@ -34,6 +34,13 @@ enum dma_channel_direction {
 	PERIPHERAL_TO_MEMORY
 };
 
+/** Valid values for @a source_addr_adj and @a dest_addr_adj */
+enum dma_addr_adj {
+	DMA_ADDR_ADJ_INCREMENT,
+	DMA_ADDR_ADJ_DECREMENT,
+	DMA_ADDR_ADJ_NO_CHANGE,
+};
+
 /**
  * @brief DMA block configuration structure.
  *