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