diff --git a/boards/arm/lpc54xx/lpcxpresso-lpc54628/include/board.h b/boards/arm/lpc54xx/lpcxpresso-lpc54628/include/board.h
index 38acac6c75..e263668d1c 100644
--- a/boards/arm/lpc54xx/lpcxpresso-lpc54628/include/board.h
+++ b/boards/arm/lpc54xx/lpcxpresso-lpc54628/include/board.h
@@ -1,6 +1,8 @@
 /****************************************************************************
  * boards/arm/lpc54xx/lpcxpresso-lpc54628/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/lpc54xx/lpcxpresso-lpc54628/scripts/Make.defs b/boards/arm/lpc54xx/lpcxpresso-lpc54628/scripts/Make.defs
index 04aa73aea7..4a9ded4977 100644
--- a/boards/arm/lpc54xx/lpcxpresso-lpc54628/scripts/Make.defs
+++ b/boards/arm/lpc54xx/lpcxpresso-lpc54628/scripts/Make.defs
@@ -1,6 +1,8 @@
 ############################################################################
 # boards/arm/lpc54xx/lpcxpresso-lpc54628/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/lpc54xx/lpcxpresso-lpc54628/scripts/flash.ld b/boards/arm/lpc54xx/lpcxpresso-lpc54628/scripts/flash.ld
index ab408de739..798a17e353 100644
--- a/boards/arm/lpc54xx/lpcxpresso-lpc54628/scripts/flash.ld
+++ b/boards/arm/lpc54xx/lpcxpresso-lpc54628/scripts/flash.ld
@@ -1,6 +1,8 @@
 /****************************************************************************
  * boards/arm/lpc54xx/lpcxpresso-lpc54628/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/lpc54xx/lpcxpresso-lpc54628/src/Makefile b/boards/arm/lpc54xx/lpcxpresso-lpc54628/src/Makefile
index 33e8e4e504..009d42a342 100644
--- a/boards/arm/lpc54xx/lpcxpresso-lpc54628/src/Makefile
+++ b/boards/arm/lpc54xx/lpcxpresso-lpc54628/src/Makefile
@@ -1,6 +1,8 @@
 ############################################################################
 # boards/arm/lpc54xx/lpcxpresso-lpc54628/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/lpc54xx/lpcxpresso-lpc54628/src/lpc54_appinit.c b/boards/arm/lpc54xx/lpcxpresso-lpc54628/src/lpc54_appinit.c
index 93c42c47c7..bd0bdd14a8 100644
--- a/boards/arm/lpc54xx/lpcxpresso-lpc54628/src/lpc54_appinit.c
+++ b/boards/arm/lpc54xx/lpcxpresso-lpc54628/src/lpc54_appinit.c
@@ -1,6 +1,8 @@
 /****************************************************************************
  * boards/arm/lpc54xx/lpcxpresso-lpc54628/src/lpc54_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/lpc54xx/lpcxpresso-lpc54628/src/lpc54_autoleds.c b/boards/arm/lpc54xx/lpcxpresso-lpc54628/src/lpc54_autoleds.c
index afff5197de..18cdc952a5 100644
--- a/boards/arm/lpc54xx/lpcxpresso-lpc54628/src/lpc54_autoleds.c
+++ b/boards/arm/lpc54xx/lpcxpresso-lpc54628/src/lpc54_autoleds.c
@@ -1,6 +1,8 @@
 /****************************************************************************
  * boards/arm/lpc54xx/lpcxpresso-lpc54628/src/lpc54_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/lpc54xx/lpcxpresso-lpc54628/src/lpc54_boot.c b/boards/arm/lpc54xx/lpcxpresso-lpc54628/src/lpc54_boot.c
index a0ac42c2f5..43f1ff8ee4 100644
--- a/boards/arm/lpc54xx/lpcxpresso-lpc54628/src/lpc54_boot.c
+++ b/boards/arm/lpc54xx/lpcxpresso-lpc54628/src/lpc54_boot.c
@@ -1,6 +1,8 @@
 /****************************************************************************
  * boards/arm/lpc54xx/lpcxpresso-lpc54628/src/lpc54_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/lpc54xx/lpcxpresso-lpc54628/src/lpc54_bringup.c b/boards/arm/lpc54xx/lpcxpresso-lpc54628/src/lpc54_bringup.c
index 083cec7af3..10e7fa4d9b 100644
--- a/boards/arm/lpc54xx/lpcxpresso-lpc54628/src/lpc54_bringup.c
+++ b/boards/arm/lpc54xx/lpcxpresso-lpc54628/src/lpc54_bringup.c
@@ -1,6 +1,8 @@
 /****************************************************************************
  * boards/arm/lpc54xx/lpcxpresso-lpc54628/src/lpc54_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/lpc54xx/lpcxpresso-lpc54628/src/lpc54_buttons.c b/boards/arm/lpc54xx/lpcxpresso-lpc54628/src/lpc54_buttons.c
index b437e23dec..1e245951eb 100644
--- a/boards/arm/lpc54xx/lpcxpresso-lpc54628/src/lpc54_buttons.c
+++ b/boards/arm/lpc54xx/lpcxpresso-lpc54628/src/lpc54_buttons.c
@@ -1,6 +1,8 @@
 /****************************************************************************
  * boards/arm/lpc54xx/lpcxpresso-lpc54628/src/lpc54_buttons.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/lpc54xx/lpcxpresso-lpc54628/src/lpc54_ft5x06.c b/boards/arm/lpc54xx/lpcxpresso-lpc54628/src/lpc54_ft5x06.c
index c165abad90..02bcacf6c2 100644
--- a/boards/arm/lpc54xx/lpcxpresso-lpc54628/src/lpc54_ft5x06.c
+++ b/boards/arm/lpc54xx/lpcxpresso-lpc54628/src/lpc54_ft5x06.c
@@ -1,6 +1,8 @@
 /****************************************************************************
  * boards/arm/lpc54xx/lpcxpresso-lpc54628/src/lpc54_ft5x06.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/lpc54xx/lpcxpresso-lpc54628/src/lpc54_i2c.c b/boards/arm/lpc54xx/lpcxpresso-lpc54628/src/lpc54_i2c.c
index 7052a19c7e..f44bf0710d 100644
--- a/boards/arm/lpc54xx/lpcxpresso-lpc54628/src/lpc54_i2c.c
+++ b/boards/arm/lpc54xx/lpcxpresso-lpc54628/src/lpc54_i2c.c
@@ -1,6 +1,8 @@
 /****************************************************************************
  * boards/arm/lpc54xx/lpcxpresso-lpc54628/src/lpc54_i2c.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/lpc54xx/lpcxpresso-lpc54628/src/lpc54_i2ctool.c b/boards/arm/lpc54xx/lpcxpresso-lpc54628/src/lpc54_i2ctool.c
index b8544a801a..197459ac73 100644
--- a/boards/arm/lpc54xx/lpcxpresso-lpc54628/src/lpc54_i2ctool.c
+++ b/boards/arm/lpc54xx/lpcxpresso-lpc54628/src/lpc54_i2ctool.c
@@ -1,6 +1,8 @@
 /****************************************************************************
  * boards/arm/lpc54xx/lpcxpresso-lpc54628/src/lpc54_i2ctool.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/lpc54xx/lpcxpresso-lpc54628/src/lpc54_lcd.c b/boards/arm/lpc54xx/lpcxpresso-lpc54628/src/lpc54_lcd.c
index 9f000d0f62..0654638b91 100644
--- a/boards/arm/lpc54xx/lpcxpresso-lpc54628/src/lpc54_lcd.c
+++ b/boards/arm/lpc54xx/lpcxpresso-lpc54628/src/lpc54_lcd.c
@@ -1,6 +1,8 @@
 /****************************************************************************
  * boards/arm/lpc54xx/lpcxpresso-lpc54628/src/lpc54_lcd.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/lpc54xx/lpcxpresso-lpc54628/src/lpc54_sdram.c b/boards/arm/lpc54xx/lpcxpresso-lpc54628/src/lpc54_sdram.c
index c42999ffee..e4739e19a3 100644
--- a/boards/arm/lpc54xx/lpcxpresso-lpc54628/src/lpc54_sdram.c
+++ b/boards/arm/lpc54xx/lpcxpresso-lpc54628/src/lpc54_sdram.c
@@ -1,6 +1,8 @@
 /****************************************************************************
  * boards/arm/lpc54xx/lpcxpresso-lpc54628/src/lpc54_sdram.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/lpc54xx/lpcxpresso-lpc54628/src/lpc54_userleds.c b/boards/arm/lpc54xx/lpcxpresso-lpc54628/src/lpc54_userleds.c
index 42a8b2f180..81997bcd32 100644
--- a/boards/arm/lpc54xx/lpcxpresso-lpc54628/src/lpc54_userleds.c
+++ b/boards/arm/lpc54xx/lpcxpresso-lpc54628/src/lpc54_userleds.c
@@ -1,6 +1,8 @@
 /****************************************************************************
  * boards/arm/lpc54xx/lpcxpresso-lpc54628/src/lpc54_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
diff --git a/boards/arm/lpc54xx/lpcxpresso-lpc54628/src/lpcxpresso-lpc54628.h b/boards/arm/lpc54xx/lpcxpresso-lpc54628/src/lpcxpresso-lpc54628.h
index 2b293959ff..54220730b9 100644
--- a/boards/arm/lpc54xx/lpcxpresso-lpc54628/src/lpcxpresso-lpc54628.h
+++ b/boards/arm/lpc54xx/lpcxpresso-lpc54628/src/lpcxpresso-lpc54628.h
@@ -1,6 +1,8 @@
 /****************************************************************************
  * boards/arm/lpc54xx/lpcxpresso-lpc54628/src/lpcxpresso-lpc54628.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