diff --git a/drivers/i2c/rk_i2c.c b/drivers/i2c/rk_i2c.c
index 703d9a1..fa6f69f 100644
--- a/drivers/i2c/rk_i2c.c
+++ b/drivers/i2c/rk_i2c.c
@@ -17,6 +17,7 @@
 #include <asm/arch-rockchip/i2c.h>
 #include <asm/arch-rockchip/periph.h>
 #include <dm/pinctrl.h>
+#include <linux/delay.h>
 #include <linux/sizes.h>
 
 /* i2c timerout */