diff --git a/drivers/ram/mediatek/ddr3-mt7629.c b/drivers/ram/mediatek/ddr3-mt7629.c
index b413f49..6b4296d 100644
--- a/drivers/ram/mediatek/ddr3-mt7629.c
+++ b/drivers/ram/mediatek/ddr3-mt7629.c
@@ -12,6 +12,7 @@
 #include <dm.h>
 #include <ram.h>
 #include <asm/io.h>
+#include <linux/delay.h>
 
 /* EMI */
 #define EMI_CONA			0x000