diff --git a/extensions/watchdog.sh b/extensions/watchdog.sh
new file mode 100644
index 000000000..9252f7e28
--- /dev/null
+++ b/extensions/watchdog.sh
@@ -0,0 +1,12 @@
+# for boards with watchdog support - add watchdog package and
+# enable hardware watchdog device (/dev/watchdog) support in config
+
+function extension_prepare_config__add_to_image_watchdog() {
+	display_alert "Extension: ${EXTENSION}: Adding extra package to image" "watchdog" "info"
+	add_packages_to_image watchdog
+}
+
+function post_customize_image__enable_watchdog_device_config() {
+	display_alert "Enable /dev/watchdog in /etc/watchdog.conf ${HOOK_POINT}" "${EXTENSION}" "info"
+	sed -e 'sX^#watchdog-deviceXwatchdog-deviceX' -i  "${SDCARD}"/etc/watchdog.conf
+}