diff --git a/drivers/pinctrl/ralink/pinctrl-rt305x.c b/drivers/pinctrl/ralink/pinctrl-rt305x.c
index 699fe18e7000..5d8fa156c003 100644
--- a/drivers/pinctrl/ralink/pinctrl-rt305x.c
+++ b/drivers/pinctrl/ralink/pinctrl-rt305x.c
@@ -1,5 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-only
 
+#include <asm/mach-ralink/ralink_regs.h>
 #include <asm/mach-ralink/rt305x.h>
 #include <linux/module.h>
 #include <linux/platform_device.h>