--- /dev/null
+/*
+ * header file for pwm driver.
+ *
+ * Copyright (c) 2011 samsung electronics
+ * Donghwa Lee <dh09.lee@samsung.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef _pwm_h_
+#define _pwm_h_
+
+int pwm_init (int pwm_id, int div, int invert);
+int pwm_config (int pwm_id, int duty_ns, int period_ns);
+int pwm_enable (int pwm_id);
+void pwm_disable (int pwm_id);
+
+#endif /* _pwm_h_ */