include/linux/power/max8903_charger.h

   1 /*
   2  * max8903_charger.h - Maxim 8903 USB/Adapter Charger Driver
   3  *
   4  * Copyright (C) 2011 Samsung Electronics
   5  * MyungJoo Ham <myungjoo.ham@samsung.com>
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  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  * You should have received a copy of the GNU General Public License
  18  * along with this program; if not, write to the Free Software
  19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  20  *
  21  */
  22
  23 #ifndef __MAX8903_CHARGER_H__
  24 #define __MAX8903_CHARGER_H__
  25
  26 struct max8903_pdata {
  27         /*
  28          * GPIOs
  29          * cen, chg, flt, dcm and usus are optional.
  30          * dok and uok are not optional depending on the status of
  31          * dc_valid and usb_valid.
  32          */
  33         int cen;        /* Charger Enable input */
  34         int dok;        /* DC(Adapter) Power OK output */
  35         int uok;        /* USB Power OK output */
  36         int chg;        /* Charger status output */
  37         int flt;        /* Fault output */
  38         int dcm;        /* Current-Limit Mode input (1: DC, 2: USB) */
  39         int usus;       /* USB Suspend Input (1: suspended) */
  40
  41         /*
  42          * DC(Adapter/TA) is wired
  43          * When dc_valid is true,
  44          *      dok should be valid.
  45          *
  46          * At least one of dc_valid or usb_valid should be true.
  47          */
  48         bool dc_valid;
  49         /*
  50          * USB is wired
  51          * When usb_valid is true,
  52          *      uok should be valid.
  53          */
  54         bool usb_valid;
  55 };
  56
  57 #endif /* __MAX8903_CHARGER_H__ */