diff --git a/drivers/i2c/i2c-uniphier.c b/drivers/i2c/i2c-uniphier.c
index 666272d..c4972ff 100644
--- a/drivers/i2c/i2c-uniphier.c
+++ b/drivers/i2c/i2c-uniphier.c
@@ -14,6 +14,7 @@
 #include <dm/root.h>
 #include <i2c.h>
 #include <fdtdec.h>
+#include <mapmem.h>
 
 DECLARE_GLOBAL_DATA_PTR;