diff --git a/drivers/i2c/sh_sh7734_i2c.c b/drivers/i2c/sh_sh7734_i2c.c
index 6c2f221..1c12fb8 100644
--- a/drivers/i2c/sh_sh7734_i2c.c
+++ b/drivers/i2c/sh_sh7734_i2c.c
@@ -3,6 +3,9 @@
  * Copyright (C) 2012 Renesas Solutions Corp.
  *
  * SPDX-License-Identifier:	GPL-2.0+
+ *
+ * NOTE: This driver should be converted to driver model before June 2017.
+ * Please see doc/driver-model/i2c-howto.txt for instructions.
  */
 
 #include <common.h>