diff --git a/ChangeLog b/ChangeLog
index 2eb1b7dba94..7efbd87bde2 100755
--- a/ChangeLog
+++ b/ChangeLog
@@ -11213,4 +11213,6 @@
 
 	* arch/arm/src/samv7:  Port the TRNG driver from the SAMA5D3/4 to the
 	  SAMV7 (2015-12-06).
+	* arch/arm/src/samv7:  Port the WDT driver from the SAMA5D3/4 to the
+	  SAMV7 (s015-12-06).
 
diff --git a/arch b/arch
index 189e549966b..c4289026cc1 160000
--- a/arch
+++ b/arch
@@ -1 +1 @@
-Subproject commit 189e549966b8004b6e433bf3af5d4d9cf031f3ae
+Subproject commit c4289026cc1be4d85accd4e3c7e672479e5189b1