1 files changed, 7 insertions, 0 deletions

diff --git a/drivers/iommu/mtk_iommu.h b/drivers/iommu/mtk_iommu.h
index c06cc91b5d9a..462e593b7d71 100644
--- a/drivers/iommu/mtk_iommu.h
+++ b/drivers/iommu/mtk_iommu.h
@@ -34,6 +34,12 @@ struct mtk_iommu_suspend_reg {
         u32                             int_main_control;
 };
 
+enum mtk_iommu_plat {
+        M4U_MT2701,
+        M4U_MT2712,
+        M4U_MT8173,
+};
+
 struct mtk_iommu_domain;
 
 struct mtk_iommu_data {
@@ -50,6 +56,7 @@ struct mtk_iommu_data {
         bool                            tlb_flush_active;
 
         struct iommu_device             iommu;
+        enum mtk_iommu_plat             m4u_plat;
 };
 
 static inline int compare_of(struct device *dev, void *data)