include/linux/usb/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 */
  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 */