diff --git a/include/lib/utils_def.h b/include/lib/utils_def.h
index 23f59bd..09ae399 100644
--- a/include/lib/utils_def.h
+++ b/include/lib/utils_def.h
@@ -1,5 +1,6 @@
 /*
  * Copyright (c) 2016-2019, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2020, NVIDIA Corporation. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -157,4 +158,9 @@
 # define SPECULATION_SAFE_VALUE(var) var
 #endif
 
+/*
+ * Ticks elapsed in one second with a signal of 1 MHz
+ */
+#define MHZ_TICKS_PER_SEC	U(1000000)
+
 #endif /* UTILS_DEF_H */