1 /* include/linux/usb/otg.h 2 * 3 * Copyright (c) 2015 Texas Instruments Incorporated - http://www.ti.com 4 * 5 * USB OTG (On The Go) defines 6 * 7 * SPDX-License-Identifier: GPL-2.0+ 8 */ 9 10 #ifndef __LINUX_USB_OTG_H 11 #define __LINUX_USB_OTG_H 12 13 enum usb_dr_mode { 14 USB_DR_MODE_UNKNOWN, 15 USB_DR_MODE_HOST, 16 USB_DR_MODE_PERIPHERAL, 17 USB_DR_MODE_OTG, 18 }; 19 20 /** 21 * usb_get_dr_mode() - Get dual role mode for given device 22 * @node: Node offset to the given device 23 * 24 * The function gets phy interface string from property 'dr_mode', 25 * and returns the correspondig enum usb_dr_mode 26 */ 27 enum usb_dr_mode usb_get_dr_mode(int node); 28 29 /** 30 * usb_get_maximum_speed() - Get maximum speed for given device 31 * @node: Node offset to the given device 32 * 33 * The function gets phy interface string from property 'maximum-speed', 34 * and returns the correspondig enum usb_device_speed 35 */ 36 enum usb_device_speed usb_get_maximum_speed(int node); 37 38 #endif /* __LINUX_USB_OTG_H */ 39