phy_companion.h

 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 */
16struct 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 */