- compatible should contain:
* "mediatek,mt2712-uart-dma" for MT2712 compatible APDMA
* "mediatek,mt6577-uart-dma" for MT6577 and all of the above
+ * "mediatek,mt8516-uart-dma", "mediatek,mt6577" for MT8516 SoC
- reg: The base address of the APDMA register bank.