diff --git a/include/uapi/linux/rk-pcie-ep.h b/include/uapi/linux/rk-pcie-ep.h
index 89b6c4fa558b..02ec92fcbc27 100644
--- a/include/uapi/linux/rk-pcie-ep.h
+++ b/include/uapi/linux/rk-pcie-ep.h
@@ -74,6 +74,9 @@ enum pcie_ep_mmap_resource {
 	PCIE_EP_MMAP_RESOURCE_BAR0,
 	PCIE_EP_MMAP_RESOURCE_BAR2,
 	PCIE_EP_MMAP_RESOURCE_BAR4,
+	PCIE_EP_MMAP_RESOURCE_USER_MEM,
+	PCIE_EP_MMAP_RESOURCE_RK3568_RC_DBI,
+	PCIE_EP_MMAP_RESOURCE_RK3588_RC_DBI,
 	PCIE_EP_MMAP_RESOURCE_MAX,
 };