LXR linux/include/linux/usb/phy

   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 */
  25struct 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