5 files changed, 10 insertions, 0 deletions
diff --git a/sys/dev/pcf/envctrl.c b/sys/dev/pcf/envctrl.c
index d577aa43699f..1d57b36e000e 100644
--- a/sys/dev/pcf/envctrl.c
+++ b/sys/dev/pcf/envctrl.c
@@ -1,4 +1,6 @@
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
  * Copyright (c) 2004 Joerg Wunsch
  *
  * derived from sys/i386/isa/pcf.c which is:
diff --git a/sys/dev/pcf/pcf.c b/sys/dev/pcf/pcf.c
index cf2b65dc88cf..0dcd1c40195f 100644
--- a/sys/dev/pcf/pcf.c
+++ b/sys/dev/pcf/pcf.c
@@ -1,4 +1,6 @@
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
  * Copyright (c) 1998 Nicolas Souchu, Marc Bouget
  * Copyright (c) 2004 Joerg Wunsch
  * All rights reserved.
diff --git a/sys/dev/pcf/pcf_ebus.c b/sys/dev/pcf/pcf_ebus.c
index b3a27377c948..3fa0be6b26cc 100644
--- a/sys/dev/pcf/pcf_ebus.c
+++ b/sys/dev/pcf/pcf_ebus.c
@@ -1,4 +1,6 @@
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
  * Copyright (c) 2004 Marius Strobl, Joerg Wunsch
  *
  * derived from sys/i386/isa/pcf.c which is:
diff --git a/sys/dev/pcf/pcf_isa.c b/sys/dev/pcf/pcf_isa.c
index ca63583879a5..d2ba419ca658 100644
--- a/sys/dev/pcf/pcf_isa.c
+++ b/sys/dev/pcf/pcf_isa.c
@@ -1,4 +1,6 @@
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
  * Copyright (c) 2004 Joerg Wunsch
  *
  * derived from sys/i386/isa/pcf.c which is:
diff --git a/sys/dev/pcf/pcfvar.h b/sys/dev/pcf/pcfvar.h
index 33721c9a4331..c2f0becd42fe 100644
--- a/sys/dev/pcf/pcfvar.h
+++ b/sys/dev/pcf/pcfvar.h
@@ -1,4 +1,6 @@
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
  * Copyright (c) 1998 Nicolas Souchu, Marc Bouget
  * Copyright (c) 2004 Joerg Wunsch
  * All rights reserved.