diff --git a/Makefile b/Makefile
index 3fe6ed9604bc..1f0da15546b8 100644
--- a/Makefile
+++ b/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: CC0-1.0
+
 SUBDIRS=tests
 
 recursive=all clean install
diff --git a/README b/README
index 69a3bc5eef6c..7f770d4170a3 100644
--- a/README
+++ b/README
@@ -1,3 +1,6 @@
+.. SPDX-License-Identifier: CC-BY-SA-4.0
+.. SPDX-FileCopyrightText: 2017 Renesas Electronics Corporation
+
 du-tests
 --------
 
diff --git a/tests/Makefile b/tests/Makefile
index 521761af28cf..0a921e5f56cd 100644
--- a/tests/Makefile
+++ b/tests/Makefile
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: CC0-1.0
+
 SCRIPTS=$(wildcard *.py)
 
 all:
diff --git a/tests/kms-test-allplanes.py b/tests/kms-test-allplanes.py
index ca7baa07af42..d88326293782 100755
--- a/tests/kms-test-allplanes.py
+++ b/tests/kms-test-allplanes.py
@@ -1,4 +1,6 @@
 #!/usr/bin/python3
+# SPDX-License-Identifier: GPL-2.0-or-later
+# SPDX-FileCopyrightText: 2017-2019 Renesas Electronics Corporation
 
 import kmstest
 import pykms
diff --git a/tests/kms-test-brxalloc.py b/tests/kms-test-brxalloc.py
index a0ae46a8b53e..dbdc78946b04 100755
--- a/tests/kms-test-brxalloc.py
+++ b/tests/kms-test-brxalloc.py
@@ -1,4 +1,6 @@
 #!/usr/bin/python3
+# SPDX-License-Identifier: GPL-2.0-or-later
+# SPDX-FileCopyrightText: 2018-2019 Renesas Electronics Corporation
 
 import kmstest
 import pykms
diff --git a/tests/kms-test-connectors.py b/tests/kms-test-connectors.py
index 25fc5dc8f60e..4c58b99f8fbf 100755
--- a/tests/kms-test-connectors.py
+++ b/tests/kms-test-connectors.py
@@ -1,4 +1,6 @@
 #!/usr/bin/python3
+# SPDX-License-Identifier: GPL-2.0-or-later
+# SPDX-FileCopyrightText: 2017 Renesas Electronics Corporation
 
 import kmstest
 import pykms
diff --git a/tests/kms-test-crc.py b/tests/kms-test-crc.py
index e0e0eabd9950..d936d1d4fb90 100755
--- a/tests/kms-test-crc.py
+++ b/tests/kms-test-crc.py
@@ -1,4 +1,6 @@
 #!/usr/bin/python3
+# SPDX-License-Identifier: GPL-2.0-or-later
+# SPDX-FileCopyrightText: 2017-2019 Renesas Electronics Corporation
 
 import kmstest
 import pykms
diff --git a/tests/kms-test-formats.py b/tests/kms-test-formats.py
index 15e6f591aea9..77c9fe775a7c 100755
--- a/tests/kms-test-formats.py
+++ b/tests/kms-test-formats.py
@@ -1,4 +1,6 @@
 #!/usr/bin/python3
+# SPDX-License-Identifier: GPL-2.0-or-later
+# SPDX-FileCopyrightText: 2019 Renesas Electronics Corporation
 
 import kmstest
 import pykms
diff --git a/tests/kms-test-legacy-modeset.py b/tests/kms-test-legacy-modeset.py
index 17a81792a2b8..4b5605345391 100755
--- a/tests/kms-test-legacy-modeset.py
+++ b/tests/kms-test-legacy-modeset.py
@@ -1,4 +1,6 @@
 #!/usr/bin/python3
+# SPDX-License-Identifier: GPL-2.0-or-later
+# SPDX-FileCopyrightText: 2018-2019 Renesas Electronics Corporation
 
 import kmstest
 import pykms
diff --git a/tests/kms-test-modes.py b/tests/kms-test-modes.py
index 82a1a3b21e93..b298a19beedf 100755
--- a/tests/kms-test-modes.py
+++ b/tests/kms-test-modes.py
@@ -1,4 +1,6 @@
 #!/usr/bin/python3
+# SPDX-License-Identifier: GPL-2.0-or-later
+# SPDX-FileCopyrightText: 2017-2019 Renesas Electronics Corporation
 
 import kmstest
 import pykms
diff --git a/tests/kms-test-modeset.py b/tests/kms-test-modeset.py
index 224b39143a8e..0dbe67fb2a4f 100755
--- a/tests/kms-test-modeset.py
+++ b/tests/kms-test-modeset.py
@@ -1,4 +1,6 @@
 #!/usr/bin/python3
+# SPDX-License-Identifier: GPL-2.0-or-later
+# SPDX-FileCopyrightText: 2017-2019 Renesas Electronics Corporation
 
 import kmstest
 import pykms
diff --git a/tests/kms-test-pageflip.py b/tests/kms-test-pageflip.py
index bef1f4990a10..19c3adaa601f 100755
--- a/tests/kms-test-pageflip.py
+++ b/tests/kms-test-pageflip.py
@@ -1,4 +1,6 @@
 #!/usr/bin/python3
+# SPDX-License-Identifier: GPL-2.0-or-later
+# SPDX-FileCopyrightText: 2017-2019 Renesas Electronics Corporation
 
 import kmstest
 import pykms
diff --git a/tests/kms-test-planeposition.py b/tests/kms-test-planeposition.py
index ac4b4d0eb407..a7cc11113aa9 100755
--- a/tests/kms-test-planeposition.py
+++ b/tests/kms-test-planeposition.py
@@ -1,4 +1,6 @@
 #!/usr/bin/python3
+# SPDX-License-Identifier: GPL-2.0-or-later
+# SPDX-FileCopyrightText: 2017-2019 Renesas Electronics Corporation
 
 import kmstest
 import pykms
diff --git a/tests/kms-test-routing.py b/tests/kms-test-routing.py
index a24dc1c0fb1e..806adb8c68a8 100755
--- a/tests/kms-test-routing.py
+++ b/tests/kms-test-routing.py
@@ -1,4 +1,6 @@
 #!/usr/bin/python3
+# SPDX-License-Identifier: GPL-2.0-or-later
+# SPDX-FileCopyrightText: 2019 Renesas Electronics Corporation
 
 import kmstest
 import pykms
diff --git a/tests/kmstest.py b/tests/kmstest.py
index 8a483d7b5259..f13e3fb7aa32 100755
--- a/tests/kmstest.py
+++ b/tests/kmstest.py
@@ -1,4 +1,6 @@
 #!/usr/bin/python3
+# SPDX-License-Identifier: GPL-2.0-or-later
+# SPDX-FileCopyrightText: 2017-2019 Renesas Electronics Corporation
 
 import collections.abc
 import errno
