usb: common: add support to get maximum speed from dt

[u-boot] / include / linux / usb / otg.h

diff --git a/include/linux/usb/otg.h b/include/linux/usb/otg.h
index 0b273d8e2e8a657dc0fbdfb4bd55e3668bd3b08b..d2604c5cafba5f3ef03d8ec216082ea09e354284 100644 (file)
--- a/include/linux/usb/otg.h
+++ b/include/linux/usb/otg.h
@@ -25,4 +25,13 @@ enum usb_dr_mode {
  */
 enum usb_dr_mode usb_get_dr_mode(int node);
 
+/**
+ * usb_get_maximum_speed() - Get maximum speed for given device
+ * @node: Node offset to the given device
+ *
+ * The function gets phy interface string from property 'maximum-speed',
+ * and returns the correspondig enum usb_device_speed
+ */
+enum usb_device_speed usb_get_maximum_speed(int node);
+
 #endif /* __LINUX_USB_OTG_H */