USB OTG: Add generic driver for ULPI OTG transceiver

This adds a minimal generic driver for ULPI connected transceivers,
using the OTG framework functions recently introduced.

The driver got a table to match the ULPI chips, which currently only has
one entry for NXP's ISP 1504 transceiver.

Signed-off-by: Daniel Mack <daniel@caiaq.de>
Cc: Heikki Krogerus <ext-heikki.krogerus@nokia.com>
Cc: David Brownell <dbrownell@users.sourceforge.net>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 7 insertions, 0 deletions

diff --git a/include/linux/usb/ulpi.h b/include/linux/usb/ulpi.h
new file mode 100644
index 000000000000..20675c6ebc4d
--- /dev/null
+++ b/include/linux/usb/ulpi.h
@@ -0,0 +1,7 @@
+#ifndef __LINUX_USB_ULPI_H
+#define __LINUX_USB_ULPI_H
+
+struct otg_transceiver *otg_ulpi_create(struct otg_io_access_ops *ops,
+                                        unsigned int flags);
+
+#endif /* __LINUX_USB_ULPI_H */