diff --git a/boards/arm/s32k1xx/rddrone-bms772/src/s32k1xx_clockconfig.c b/boards/arm/s32k1xx/rddrone-bms772/src/s32k1xx_clockconfig.c
index a6cf7ce6459..3e809ab8adb 100644
--- a/boards/arm/s32k1xx/rddrone-bms772/src/s32k1xx_clockconfig.c
+++ b/boards/arm/s32k1xx/rddrone-bms772/src/s32k1xx_clockconfig.c
@@ -1,9 +1,9 @@
 /****************************************************************************
  * boards/arm/s32k1xx/rddrone-bms772/src/s32k1xx_clockconfig.c
  *
- *   Copyright (c) 2013 - 2015, Freescale Semiconductor, Inc.
- *   Copyright 2016-2018 NXP
- *   All rights reserved.
+ * SPDX-License-Identifier: 0BSD
+ * SPDX-FileCopyrightText: 2013 - 2015, Freescale Semiconductor, Inc.
+ * SPDX-FileCopyrightText: 2016-2018 NXP. All rights reserved.
  *
  * THIS SOFTWARE IS PROVIDED BY NXP "AS IS" AND ANY EXPRESSED OR
  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
diff --git a/boards/arm/s32k1xx/rddrone-bms772/src/s32k1xx_periphclocks.c b/boards/arm/s32k1xx/rddrone-bms772/src/s32k1xx_periphclocks.c
index 4d4a3eabe07..cdaec78700e 100644
--- a/boards/arm/s32k1xx/rddrone-bms772/src/s32k1xx_periphclocks.c
+++ b/boards/arm/s32k1xx/rddrone-bms772/src/s32k1xx_periphclocks.c
@@ -1,9 +1,9 @@
 /****************************************************************************
  * boards/arm/s32k1xx/rddrone-bms772/src/s32k1xx_periphclocks.c
  *
- *   Copyright (c) 2013 - 2015, Freescale Semiconductor, Inc.
- *   Copyright 2016-2018 NXP
- *   All rights reserved.
+ * SPDX-License-Identifier: 0BSD
+ * SPDX-FileCopyrightText: 2013 - 2015, Freescale Semiconductor, Inc.
+ * SPDX-FileCopyrightText: 2016-2018 NXP. All rights reserved.
  *
  * THIS SOFTWARE IS PROVIDED BY NXP "AS IS" AND ANY EXPRESSED OR
  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
diff --git a/boards/arm/s32k1xx/s32k118evb/src/s32k1xx_clockconfig.c b/boards/arm/s32k1xx/s32k118evb/src/s32k1xx_clockconfig.c
index 211d3aaba1a..cf0209ae3c0 100644
--- a/boards/arm/s32k1xx/s32k118evb/src/s32k1xx_clockconfig.c
+++ b/boards/arm/s32k1xx/s32k118evb/src/s32k1xx_clockconfig.c
@@ -1,9 +1,9 @@
 /****************************************************************************
  * boards/arm/s32k1xx/s32k118evb/src/s32k1xx_clockconfig.c
  *
- *   Copyright (c) 2013 - 2015, Freescale Semiconductor, Inc.
- *   Copyright 2016-2018 NXP
- *   All rights reserved.
+ * SPDX-License-Identifier: 0BSD
+ * SPDX-FileCopyrightText: 2013 - 2015, Freescale Semiconductor, Inc.
+ * SPDX-FileCopyrightText: 2016-2018 NXP. All rights reserved.
  *
  * THIS SOFTWARE IS PROVIDED BY NXP "AS IS" AND ANY EXPRESSED OR
  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
diff --git a/boards/arm/s32k1xx/s32k118evb/src/s32k1xx_periphclocks.c b/boards/arm/s32k1xx/s32k118evb/src/s32k1xx_periphclocks.c
index b14d9b049ed..4bdd09b90a8 100644
--- a/boards/arm/s32k1xx/s32k118evb/src/s32k1xx_periphclocks.c
+++ b/boards/arm/s32k1xx/s32k118evb/src/s32k1xx_periphclocks.c
@@ -1,9 +1,9 @@
 /****************************************************************************
  * boards/arm/s32k1xx/s32k118evb/src/s32k1xx_periphclocks.c
  *
- *   Copyright (c) 2013 - 2015, Freescale Semiconductor, Inc.
- *   Copyright 2016-2018 NXP
- *   All rights reserved.
+ * SPDX-License-Identifier: 0BSD
+ * SPDX-FileCopyrightText: 2013 - 2015, Freescale Semiconductor, Inc.
+ * SPDX-FileCopyrightText: 2016-2018 NXP. All rights reserved.
  *
  * THIS SOFTWARE IS PROVIDED BY NXP "AS IS" AND ANY EXPRESSED OR
  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
diff --git a/boards/arm/s32k1xx/s32k144evb/src/s32k1xx_clockconfig.c b/boards/arm/s32k1xx/s32k144evb/src/s32k1xx_clockconfig.c
index b83ef015adf..ba227ae5eae 100644
--- a/boards/arm/s32k1xx/s32k144evb/src/s32k1xx_clockconfig.c
+++ b/boards/arm/s32k1xx/s32k144evb/src/s32k1xx_clockconfig.c
@@ -1,9 +1,9 @@
 /****************************************************************************
  * boards/arm/s32k1xx/s32k144evb/src/s32k1xx_clockconfig.c
  *
- *   Copyright (c) 2013 - 2015, Freescale Semiconductor, Inc.
- *   Copyright 2016-2018 NXP
- *   All rights reserved.
+ * SPDX-License-Identifier: 0BSD
+ * SPDX-FileCopyrightText: 2013 - 2015, Freescale Semiconductor, Inc.
+ * SPDX-FileCopyrightText: 2016-2018 NXP. All rights reserved.
  *
  * THIS SOFTWARE IS PROVIDED BY NXP "AS IS" AND ANY EXPRESSED OR
  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
diff --git a/boards/arm/s32k1xx/s32k144evb/src/s32k1xx_periphclocks.c b/boards/arm/s32k1xx/s32k144evb/src/s32k1xx_periphclocks.c
index dd14c44b419..a0066a4647a 100644
--- a/boards/arm/s32k1xx/s32k144evb/src/s32k1xx_periphclocks.c
+++ b/boards/arm/s32k1xx/s32k144evb/src/s32k1xx_periphclocks.c
@@ -1,9 +1,9 @@
 /****************************************************************************
  * boards/arm/s32k1xx/s32k144evb/src/s32k1xx_periphclocks.c
  *
- *   Copyright (c) 2013 - 2015, Freescale Semiconductor, Inc.
- *   Copyright 2016-2018 NXP
- *   All rights reserved.
+ * SPDX-License-Identifier: 0BSD
+ * SPDX-FileCopyrightText: 2013 - 2015, Freescale Semiconductor, Inc.
+ * SPDX-FileCopyrightText: 2016-2018 NXP. All rights reserved.
  *
  * THIS SOFTWARE IS PROVIDED BY NXP "AS IS" AND ANY EXPRESSED OR
  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
diff --git a/boards/arm/s32k1xx/s32k146evb/src/s32k1xx_clockconfig.c b/boards/arm/s32k1xx/s32k146evb/src/s32k1xx_clockconfig.c
index 050a052bf4c..276d5c50e5d 100644
--- a/boards/arm/s32k1xx/s32k146evb/src/s32k1xx_clockconfig.c
+++ b/boards/arm/s32k1xx/s32k146evb/src/s32k1xx_clockconfig.c
@@ -1,9 +1,9 @@
 /****************************************************************************
  * boards/arm/s32k1xx/s32k146evb/src/s32k1xx_clockconfig.c
  *
- *   Copyright (c) 2013 - 2015, Freescale Semiconductor, Inc.
- *   Copyright 2016-2018 NXP
- *   All rights reserved.
+ * SPDX-License-Identifier: 0BSD
+ * SPDX-FileCopyrightText: 2013 - 2015, Freescale Semiconductor, Inc.
+ * SPDX-FileCopyrightText: 2016-2018 NXP. All rights reserved.
  *
  * THIS SOFTWARE IS PROVIDED BY NXP "AS IS" AND ANY EXPRESSED OR
  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
diff --git a/boards/arm/s32k1xx/s32k146evb/src/s32k1xx_periphclocks.c b/boards/arm/s32k1xx/s32k146evb/src/s32k1xx_periphclocks.c
index e26433e72a1..cb8f59bd5b7 100644
--- a/boards/arm/s32k1xx/s32k146evb/src/s32k1xx_periphclocks.c
+++ b/boards/arm/s32k1xx/s32k146evb/src/s32k1xx_periphclocks.c
@@ -1,9 +1,9 @@
 /****************************************************************************
  * boards/arm/s32k1xx/s32k146evb/src/s32k1xx_periphclocks.c
  *
- *   Copyright (c) 2013 - 2015, Freescale Semiconductor, Inc.
- *   Copyright 2016-2018 NXP
- *   All rights reserved.
+ * SPDX-License-Identifier: 0BSD
+ * SPDX-FileCopyrightText: 2013 - 2015, Freescale Semiconductor, Inc.
+ * SPDX-FileCopyrightText: 2016-2018 NXP. All rights reserved.
  *
  * THIS SOFTWARE IS PROVIDED BY NXP "AS IS" AND ANY EXPRESSED OR
  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
diff --git a/boards/arm/s32k1xx/s32k148evb/src/s32k1xx_clockconfig.c b/boards/arm/s32k1xx/s32k148evb/src/s32k1xx_clockconfig.c
index a2d163eaed6..16fd4d3f87c 100644
--- a/boards/arm/s32k1xx/s32k148evb/src/s32k1xx_clockconfig.c
+++ b/boards/arm/s32k1xx/s32k148evb/src/s32k1xx_clockconfig.c
@@ -1,9 +1,9 @@
 /****************************************************************************
  * boards/arm/s32k1xx/s32k148evb/src/s32k1xx_clockconfig.c
  *
- *   Copyright (c) 2013 - 2015, Freescale Semiconductor, Inc.
- *   Copyright 2016-2018 NXP
- *   All rights reserved.
+ * SPDX-License-Identifier: 0BSD
+ * SPDX-FileCopyrightText: 2013 - 2015, Freescale Semiconductor, Inc.
+ * SPDX-FileCopyrightText: 2016-2018 NXP. All rights reserved.
  *
  * THIS SOFTWARE IS PROVIDED BY NXP "AS IS" AND ANY EXPRESSED OR
  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
diff --git a/boards/arm/s32k1xx/s32k148evb/src/s32k1xx_periphclocks.c b/boards/arm/s32k1xx/s32k148evb/src/s32k1xx_periphclocks.c
index bc88639b98e..fa3d3ca5ce4 100644
--- a/boards/arm/s32k1xx/s32k148evb/src/s32k1xx_periphclocks.c
+++ b/boards/arm/s32k1xx/s32k148evb/src/s32k1xx_periphclocks.c
@@ -1,9 +1,9 @@
 /****************************************************************************
  * boards/arm/s32k1xx/s32k148evb/src/s32k1xx_periphclocks.c
  *
- *   Copyright (c) 2013 - 2015, Freescale Semiconductor, Inc.
- *   Copyright 2016-2018 NXP
- *   All rights reserved.
+ * SPDX-License-Identifier: 0BSD
+ * SPDX-FileCopyrightText: 2013 - 2015, Freescale Semiconductor, Inc.
+ * SPDX-FileCopyrightText: 2016-2018 NXP. All rights reserved.
  *
  * THIS SOFTWARE IS PROVIDED BY NXP "AS IS" AND ANY EXPRESSED OR
  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
diff --git a/boards/arm/s32k1xx/ucans32k146/src/s32k1xx_clockconfig.c b/boards/arm/s32k1xx/ucans32k146/src/s32k1xx_clockconfig.c
index 08a4648eca6..f12a1956f33 100644
--- a/boards/arm/s32k1xx/ucans32k146/src/s32k1xx_clockconfig.c
+++ b/boards/arm/s32k1xx/ucans32k146/src/s32k1xx_clockconfig.c
@@ -1,9 +1,9 @@
 /****************************************************************************
  * boards/arm/s32k1xx/ucans32k146/src/s32k1xx_clockconfig.c
  *
- *   Copyright (c) 2013 - 2015, Freescale Semiconductor, Inc.
- *   Copyright 2016-2018 NXP
- *   All rights reserved.
+ * SPDX-License-Identifier: 0BSD
+ * SPDX-FileCopyrightText: 2013 - 2015, Freescale Semiconductor, Inc.
+ * SPDX-FileCopyrightText: 2016-2018 NXP. All rights reserved.
  *
  * THIS SOFTWARE IS PROVIDED BY NXP "AS IS" AND ANY EXPRESSED OR
  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
diff --git a/boards/arm/s32k1xx/ucans32k146/src/s32k1xx_periphclocks.c b/boards/arm/s32k1xx/ucans32k146/src/s32k1xx_periphclocks.c
index cd89c1a1a13..5ec1105fece 100644
--- a/boards/arm/s32k1xx/ucans32k146/src/s32k1xx_periphclocks.c
+++ b/boards/arm/s32k1xx/ucans32k146/src/s32k1xx_periphclocks.c
@@ -1,9 +1,9 @@
 /****************************************************************************
  * boards/arm/s32k1xx/ucans32k146/src/s32k1xx_periphclocks.c
  *
- *   Copyright (c) 2013 - 2015, Freescale Semiconductor, Inc.
- *   Copyright 2016-2018 NXP
- *   All rights reserved.
+ * SPDX-License-Identifier: 0BSD
+ * SPDX-FileCopyrightText: 2013 - 2015, Freescale Semiconductor, Inc.
+ * SPDX-FileCopyrightText: 2016-2018 NXP. All rights reserved.
  *
  * THIS SOFTWARE IS PROVIDED BY NXP "AS IS" AND ANY EXPRESSED OR
  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES