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, and usus are optional. 30 * dok, dcm, 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 and dcm 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__ */ 58