1 /* 2 * phy-companion.h -- phy companion to indicate the comparator part of PHY 3 * 4 * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com 5 * This program is free software; you can redistribute it and/or modify 6 * it under the terms of the GNU General Public License as published by 7 * the Free Software Foundation; either version 2 of the License, or 8 * (at your option) any later version. 9 * 10 * Author: Kishon Vijay Abraham I <kishon@ti.com> 11 * 12 * This program is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 * 17 */ 18 19 #ifndef __DRIVERS_PHY_COMPANION_H 20 #define __DRIVERS_PHY_COMPANION_H 21 22 #include <linux/usb/otg.h> 23 24 /* phy_companion to take care of VBUS, ID and srp capabilities */ 25 struct phy_companion { 26 27 /* effective for A-peripheral, ignored for B devices */ 28 int (*set_vbus)(struct phy_companion *x, bool enabled); 29 30 /* for B devices only: start session with A-Host */ 31 int (*start_srp)(struct phy_companion *x); 32 }; 33 34 #endif /* __DRIVERS_PHY_COMPANION_H */ 35