diff --git a/drivers/bootcount/bootcount_davinci.c b/drivers/bootcount/bootcount_davinci.c
index f0acfad..fa87b5e 100644
--- a/drivers/bootcount/bootcount_davinci.c
+++ b/drivers/bootcount/bootcount_davinci.c
@@ -2,6 +2,10 @@
  * (C) Copyright 2011
  * Heiko Schocher, DENX Software Engineering, hs@denx.de.
  *
+ * A bootcount driver for the RTC IP block found on many TI platforms.
+ * This requires the RTC clocks, etc, to be enabled prior to use and
+ * not all boards with this IP block on it will have the RTC in use.
+ *
  * SPDX-License-Identifier:	GPL-2.0+
  */