1 files changed, 6 insertions, 1 deletions
diff --git a/include/gpio.h b/include/gpio.h
index ac48045..1e0346d 100644
--- a/include/gpio.h
+++ b/include/gpio.h
@@ -1,3 +1,9 @@
+/*
+ * (C) Copyright 2014 Leo C. <erbl259-lmu@yahoo.de>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
 #ifndef GPIO_H
 #define GPIO_H
 
@@ -14,4 +20,3 @@ int gpio_clockdiv_set(int pin, unsigned long divider);
 long gpio_clockdiv_get(int pin);
 
 #endif /* GPIO_H */
-