diff --git a/litex/tools/litex_json2dts.py b/litex/tools/litex_json2dts.py
index c0595f529..8272aaa59 100755
--- a/litex/tools/litex_json2dts.py
+++ b/litex/tools/litex_json2dts.py
@@ -1,5 +1,9 @@
 #!/usr/bin/env python3
 
+# This file is Copyright (c) 2019-2020 Florent Kermarrec <florent@enjoy-digital.fr>
+# This file is Copyright (c) 2020 Antmicro <www.antmicro.com>
+# License: BSD
+
 import sys
 import json
 import argparse