diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig
index 4c4c566..79d2589 100644
--- a/drivers/watchdog/Kconfig
+++ b/drivers/watchdog/Kconfig
@@ -223,6 +223,7 @@
 
 config DW_WATCHDOG
 	tristate "Synopsys DesignWare watchdog"
+	depends on HAS_IOMEM
 	help
 	  Say Y here if to include support for the Synopsys DesignWare
 	  watchdog timer found in many chips.