1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * phy-companion.h -- phy companion to indicate the comparator part of PHY
4  *
5  * Copyright (C) 2012 Texas Instruments Incorporated - https://www.ti.com
6  *
7  * Author: Kishon Vijay Abraham I <kishon@ti.com>
8  */
9 
10 #ifndef __DRIVERS_PHY_COMPANION_H
11 #define __DRIVERS_PHY_COMPANION_H
12 
13 #include <linux/usb/otg.h>
14 
15 /* phy_companion to take care of VBUS, ID and srp capabilities */
16 struct phy_companion {
17 
18 	/* effective for A-peripheral, ignored for B devices */
19 	int	(*set_vbus)(struct phy_companion *x, bool enabled);
20 
21 	/* for B devices only:  start session with A-Host */
22 	int	(*start_srp)(struct phy_companion *x);
23 };
24 
25 #endif /* __DRIVERS_PHY_COMPANION_H */
26