- "<interface> <dev> [list]\n"
- " - device firmware upgrade on a device <dev>\n"
- " attached to interface <interface>\n"
- " [list] - list available alt settings"
+ "<USB_controller> <interface> <dev> [list]\n"
+ " - device firmware upgrade via <USB_controller>\n"
+ " on device <dev>, attached to interface\n"
+ " <interface>\n"
+ " [list] - list available alt settings\n"
+#ifdef CONFIG_DFU_TFTP
+ "dfu tftp <interface> <dev> [<addr>]\n"
+ " - device firmware upgrade via TFTP\n"
+ " on device <dev>, attached to interface\n"
+ " <interface>\n"
+ " [<addr>] - address where FIT image has been stored\n"
+#endif