diff --git a/drivers/iommu/ipmmu-vmsa.c b/drivers/iommu/ipmmu-vmsa.c
index 9da8309f7170..67bdf8e5c8ef 100644
--- a/drivers/iommu/ipmmu-vmsa.c
+++ b/drivers/iommu/ipmmu-vmsa.c
@@ -783,6 +783,7 @@ static int ipmmu_init_platform_device(struct device *dev,
 
 static const struct soc_device_attribute soc_rcar_gen3[] = {
 	{ .soc_id = "r8a774a1", },
+	{ .soc_id = "r8a774b1", },
 	{ .soc_id = "r8a774c0", },
 	{ .soc_id = "r8a7795", },
 	{ .soc_id = "r8a7796", },
@@ -794,6 +795,7 @@ static const struct soc_device_attribute soc_rcar_gen3[] = {
 };
 
 static const struct soc_device_attribute soc_rcar_gen3_whitelist[] = {
+	{ .soc_id = "r8a774b1", },
 	{ .soc_id = "r8a774c0", },
 	{ .soc_id = "r8a7795", .revision = "ES3.*" },
 	{ .soc_id = "r8a77965", },
@@ -1017,6 +1019,9 @@ static const struct of_device_id ipmmu_of_ids[] = {
 	}, {
 		.compatible = "renesas,ipmmu-r8a774a1",
 		.data = &ipmmu_features_rcar_gen3,
+	}, {
+		.compatible = "renesas,ipmmu-r8a774b1",
+		.data = &ipmmu_features_rcar_gen3,
 	}, {
 		.compatible = "renesas,ipmmu-r8a774c0",
 		.data = &ipmmu_features_rcar_gen3,