diff --git a/boards/arm/max326xx/max32660-evsys/include/board.h b/boards/arm/max326xx/max32660-evsys/include/board.h
index 4f2225dbc09..9fc1835d7cc 100644
--- a/boards/arm/max326xx/max32660-evsys/include/board.h
+++ b/boards/arm/max326xx/max32660-evsys/include/board.h
@@ -1,6 +1,8 @@
 /****************************************************************************
  * boards/arm/max326xx/max32660-evsys/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/max326xx/max32660-evsys/scripts/Make.defs b/boards/arm/max326xx/max32660-evsys/scripts/Make.defs
index 51132e78a0a..f60fd50746a 100644
--- a/boards/arm/max326xx/max32660-evsys/scripts/Make.defs
+++ b/boards/arm/max326xx/max32660-evsys/scripts/Make.defs
@@ -1,6 +1,8 @@
 ############################################################################
 # boards/arm/max326xx/max32660-evsys/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/max326xx/max32660-evsys/scripts/flash.ld b/boards/arm/max326xx/max32660-evsys/scripts/flash.ld
index 1eff9f1d7fe..815d6cd9507 100644
--- a/boards/arm/max326xx/max32660-evsys/scripts/flash.ld
+++ b/boards/arm/max326xx/max32660-evsys/scripts/flash.ld
@@ -1,6 +1,8 @@
 /****************************************************************************
  * boards/arm/max326xx/max32660-evsys/scripts/flash.ld
  *
+ * 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/max326xx/max32660-evsys/scripts/sram.ld b/boards/arm/max326xx/max32660-evsys/scripts/sram.ld
index dd4b4533bd7..7ef514bad96 100644
--- a/boards/arm/max326xx/max32660-evsys/scripts/sram.ld
+++ b/boards/arm/max326xx/max32660-evsys/scripts/sram.ld
@@ -1,6 +1,8 @@
 /****************************************************************************
  * boards/arm/max326xx/max32660-evsys/scripts/sram.ld
  *
+ * 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/max326xx/max32660-evsys/src/Makefile b/boards/arm/max326xx/max32660-evsys/src/Makefile
index 4d6c6802cdb..92d9b61070d 100644
--- a/boards/arm/max326xx/max32660-evsys/src/Makefile
+++ b/boards/arm/max326xx/max32660-evsys/src/Makefile
@@ -1,6 +1,8 @@
 ############################################################################
 # boards/arm/max326xx/max32660-evsys/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/max326xx/max32660-evsys/src/max32660-evsys.h b/boards/arm/max326xx/max32660-evsys/src/max32660-evsys.h
index b6ad5cbc100..6cdca111189 100644
--- a/boards/arm/max326xx/max32660-evsys/src/max32660-evsys.h
+++ b/boards/arm/max326xx/max32660-evsys/src/max32660-evsys.h
@@ -1,6 +1,8 @@
 /****************************************************************************
  * boards/arm/max326xx/max32660-evsys/src/max32660-evsys.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/max326xx/max32660-evsys/src/max326_appinit.c b/boards/arm/max326xx/max32660-evsys/src/max326_appinit.c
index a6e2c781680..2be1d57aac8 100644
--- a/boards/arm/max326xx/max32660-evsys/src/max326_appinit.c
+++ b/boards/arm/max326xx/max32660-evsys/src/max326_appinit.c
@@ -1,6 +1,8 @@
 /****************************************************************************
  * boards/arm/max326xx/max32660-evsys/src/max326_appinit.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
diff --git a/boards/arm/max326xx/max32660-evsys/src/max326_autoleds.c b/boards/arm/max326xx/max32660-evsys/src/max326_autoleds.c
index e929c367664..5322cde0045 100644
--- a/boards/arm/max326xx/max32660-evsys/src/max326_autoleds.c
+++ b/boards/arm/max326xx/max32660-evsys/src/max326_autoleds.c
@@ -1,6 +1,8 @@
 /****************************************************************************
  * boards/arm/max326xx/max32660-evsys/src/max326_autoleds.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
diff --git a/boards/arm/max326xx/max32660-evsys/src/max326_boot.c b/boards/arm/max326xx/max32660-evsys/src/max326_boot.c
index 6775fd8560f..264bbd21663 100644
--- a/boards/arm/max326xx/max32660-evsys/src/max326_boot.c
+++ b/boards/arm/max326xx/max32660-evsys/src/max326_boot.c
@@ -1,6 +1,8 @@
 /****************************************************************************
  * boards/arm/max326xx/max32660-evsys/src/max326_boot.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
diff --git a/boards/arm/max326xx/max32660-evsys/src/max326_bringup.c b/boards/arm/max326xx/max32660-evsys/src/max326_bringup.c
index 9fee06bff51..3207ad0df80 100644
--- a/boards/arm/max326xx/max32660-evsys/src/max326_bringup.c
+++ b/boards/arm/max326xx/max32660-evsys/src/max326_bringup.c
@@ -1,6 +1,8 @@
 /****************************************************************************
  * boards/arm/max326xx/max32660-evsys/src/max326_bringup.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
diff --git a/boards/arm/max326xx/max32660-evsys/src/max326_button.c b/boards/arm/max326xx/max32660-evsys/src/max326_button.c
index 7246b79ca54..7dee8e905ff 100644
--- a/boards/arm/max326xx/max32660-evsys/src/max326_button.c
+++ b/boards/arm/max326xx/max32660-evsys/src/max326_button.c
@@ -1,6 +1,8 @@
 /****************************************************************************
  * boards/arm/max326xx/max32660-evsys/src/max326_button.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
diff --git a/boards/arm/max326xx/max32660-evsys/src/max326_mmcsd.c b/boards/arm/max326xx/max32660-evsys/src/max326_mmcsd.c
index 41a5d8b53ed..1815331d8a1 100644
--- a/boards/arm/max326xx/max32660-evsys/src/max326_mmcsd.c
+++ b/boards/arm/max326xx/max32660-evsys/src/max326_mmcsd.c
@@ -1,6 +1,8 @@
 /****************************************************************************
  * boards/arm/max326xx/max32660-evsys/src/max326_mmcsd.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
diff --git a/boards/arm/max326xx/max32660-evsys/src/max326_spi.c b/boards/arm/max326xx/max32660-evsys/src/max326_spi.c
index 1d094da7d56..770933b6b55 100644
--- a/boards/arm/max326xx/max32660-evsys/src/max326_spi.c
+++ b/boards/arm/max326xx/max32660-evsys/src/max326_spi.c
@@ -1,6 +1,8 @@
 /****************************************************************************
  * boards/arm/max326xx/max32660-evsys/src/max326_spi.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
diff --git a/boards/arm/max326xx/max32660-evsys/src/max326_userleds.c b/boards/arm/max326xx/max32660-evsys/src/max326_userleds.c
index fabe2d1e6fe..867fecfcd02 100644
--- a/boards/arm/max326xx/max32660-evsys/src/max326_userleds.c
+++ b/boards/arm/max326xx/max32660-evsys/src/max326_userleds.c
@@ -1,6 +1,8 @@
 /****************************************************************************
  * boards/arm/max326xx/max32660-evsys/src/max326_userleds.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