1 files changed, 35 insertions, 0 deletions
diff --git a/drivers/usb/chipidea/otg.c b/drivers/usb/chipidea/otg.c
new file mode 100644
index 000000000000..999a085491d7
--- /dev/null
+++ b/drivers/usb/chipidea/otg.c
@@ -0,0 +1,35 @@
+/*
+ * otg.c - ChipIdea USB IP core OTG driver
+ *
+ * Copyright (C) 2013 Freescale Semiconductor, Inc.
+ *
+ * Author: Peter Chen
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+/*
+ * This file mainly handles otgsc register, it may include OTG operation
+ * in the future.
+ */
+
+#include <linux/usb/otg.h>
+#include <linux/usb/gadget.h>
+#include <linux/usb/chipidea.h>
+
+#include "ci.h"
+#include "bits.h"
+#include "otg.h"
+
+/**
+ * ci_hdrc_otg_init - initialize otgsc bits
+ * ci: the controller
+ */
+int ci_hdrc_otg_init(struct ci_hdrc *ci)
+{
+	ci_enable_otg_interrupt(ci, OTGSC_IDIE);
+
+	return 0;
+}