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

/* SPDX-License-Identifier: GPL-2.0+ */
/* include/linux/usb/otg.h
 *
 * Copyright (c) 2015 Texas Instruments Incorporated - http://www.ti.com
 *
 * USB OTG (On The Go) defines
 */

#ifndef __LINUX_USB_OTG_H
#define __LINUX_USB_OTG_H

#include <dm/ofnode.h>

enum usb_dr_mode {
	USB_DR_MODE_UNKNOWN,
	USB_DR_MODE_HOST,
	USB_DR_MODE_PERIPHERAL,
	USB_DR_MODE_OTG,
};

/**
 * usb_get_dr_mode() - Get dual role mode for given device
 * @node: ofnode of the given device
 *
 * The function gets phy interface string from property 'dr_mode',
 * and returns the correspondig enum usb_dr_mode
 */
enum usb_dr_mode usb_get_dr_mode(ofnode node);

/**
 * usb_get_dr_mode() - Get dual role mode for given device
 * @node: ofnode of the given device
 *
 * The function gets phy interface string from property
 * 'role-switch-defaulr-mode', and returns the correspondig enum
 * usb_dr_mode
 */
enum usb_dr_mode usb_get_role_switch_default_mode(ofnode node);

/**
 * usb_get_maximum_speed() - Get maximum speed for given device
 * @node: ofnode of 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(ofnode node);

#endif /* __LINUX_USB_OTG_H */