diff --git a/drivers/clk/tegra/clk.h b/drivers/clk/tegra/clk.h
index e1f88463b600..e3b9c22ad8b2 100644
--- a/drivers/clk/tegra/clk.h
+++ b/drivers/clk/tegra/clk.h
@@ -19,6 +19,7 @@
 
 #include <linux/clk-provider.h>
 #include <linux/clkdev.h>
+#include <linux/delay.h>
 
 /**
  * struct tegra_clk_sync_source - external clock source from codec