diff --git a/boards/arm/c5471/c5471evm/include/board.h b/boards/arm/c5471/c5471evm/include/board.h
index a8f3210f87d..7b06d709b1c 100644
--- a/boards/arm/c5471/c5471evm/include/board.h
+++ b/boards/arm/c5471/c5471evm/include/board.h
@@ -1,6 +1,8 @@
 /****************************************************************************
  * boards/arm/c5471/c5471evm/include/board.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The
diff --git a/boards/arm/c5471/c5471evm/scripts/Make.defs b/boards/arm/c5471/c5471evm/scripts/Make.defs
index b57e5131822..0a7bc961b10 100644
--- a/boards/arm/c5471/c5471evm/scripts/Make.defs
+++ b/boards/arm/c5471/c5471evm/scripts/Make.defs
@@ -1,6 +1,8 @@
 ############################################################################
 # boards/arm/c5471/c5471evm/scripts/Make.defs
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more
 # contributor license agreements.  See the NOTICE file distributed with
 # this work for additional information regarding copyright ownership.  The
diff --git a/boards/arm/c5471/c5471evm/scripts/ld.script b/boards/arm/c5471/c5471evm/scripts/ld.script
index 2e96f47f166..500fcc65e68 100644
--- a/boards/arm/c5471/c5471evm/scripts/ld.script
+++ b/boards/arm/c5471/c5471evm/scripts/ld.script
@@ -1,6 +1,8 @@
 /****************************************************************************
  * boards/arm/c5471/c5471evm/scripts/ld.script
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The
diff --git a/boards/arm/c5471/c5471evm/src/Makefile b/boards/arm/c5471/c5471evm/src/Makefile
index 6b7148afedb..5aca54d14ce 100644
--- a/boards/arm/c5471/c5471evm/src/Makefile
+++ b/boards/arm/c5471/c5471evm/src/Makefile
@@ -1,6 +1,8 @@
 ############################################################################
 # boards/arm/c5471/c5471evm/src/Makefile
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more
 # contributor license agreements.  See the NOTICE file distributed with
 # this work for additional information regarding copyright ownership.  The
diff --git a/boards/arm/c5471/c5471evm/src/c5471_leds.c b/boards/arm/c5471/c5471evm/src/c5471_leds.c
index f5c28138838..c90c4e18d60 100644
--- a/boards/arm/c5471/c5471evm/src/c5471_leds.c
+++ b/boards/arm/c5471/c5471evm/src/c5471_leds.c
@@ -1,6 +1,8 @@
 /****************************************************************************
  * boards/arm/c5471/c5471evm/src/c5471_leds.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The