LXR linux/include/linux/usb/phy

   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 * This program is free software; you can redistribute it and/or modify
   7 * it under the terms of the GNU General Public License as published by
   8 * the Free Software Foundation; either version 2 of the License, or
   9 * (at your option) any later version.
  10 *
  11 * Author: Kishon Vijay Abraham I <kishon@ti.com>
  12 *
  13 * This program is distributed in the hope that it will be useful,
  14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 * GNU General Public License for more details.
  17 *
  18 */
  19
  20#ifndef __DRIVERS_PHY_COMPANION_H
  21#define __DRIVERS_PHY_COMPANION_H
  22
  23#include <linux/usb/otg.h>
  24
  25/* phy_companion to take care of VBUS, ID and srp capabilities */
  26struct phy_companion {
  27
  28        /* effective for A-peripheral, ignored for B devices */
  29        int     (*set_vbus)(struct phy_companion *x, bool enabled);
  30
  31        /* for B devices only:  start session with A-Host */
  32        int     (*start_srp)(struct phy_companion *x);
  33};
  34
  35#endif /* __DRIVERS_PHY_COMPANION_H */
  36