diff --git a/fs/Kconfig b/fs/Kconfig
index c2778426346e..9ef2a6d22a46 100644
--- a/fs/Kconfig
+++ b/fs/Kconfig
@@ -48,7 +48,7 @@ config FS_DAX
 	bool "File system based Direct Access (DAX) support"
 	depends on MMU
 	depends on !(ARM || MIPS || SPARC) || (ROCKCHIP_RAMDISK && ARM)
-	depends on ZONE_DEVICE || FS_DAX_LIMITED
+	depends on ZONE_DEVICE || FS_DAX_LIMITED || ROCKCHIP_RAMDISK
 	select FS_IOMAP
 	select DAX
 	help