diff --git a/libubb/include/ubb/regbase.h b/libubb/include/ubb/regbase.h
index 39f22cd..aa9c310 100644
--- a/libubb/include/ubb/regbase.h
+++ b/libubb/include/ubb/regbase.h
@@ -1,8 +1,8 @@
 /*
  * include/ubb/regbase.h - Jz4740 minimum register definitions for UBB
  *
- * Written 2011-2012 by Werner Almesberger
- * Copyright 2011-2012 Werner Almesberger
+ * Written 2011-2012, 2014 by Werner Almesberger
+ * Copyright 2011-2012, 2014 Werner Almesberger
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -45,5 +45,8 @@ extern volatile void *ubb_mem;
 #define	PDDIR	_GPIO(0x360)	/* port D direction */
 #define	PDDIRS	_GPIO(0x364)	/* port D direction set */
 #define	PDDIRC	_GPIO(0x368)	/* port D direction clear */
+#define	PDTRG	_GPIO(0x370)	/* port D trigger */
+#define	PDTRGS	_GPIO(0x374)	/* port D trigger set */
+#define	PDTRGC	_GPIO(0x378)	/* port D trigger clear */
 
 #endif /* !UBB_REGBASE_H */