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MAX8903 is an integrated battery charger and selector with two power inputs (USB and AC adapter). This driver enables the charger, handles interrupts, and provides power-supply-class information to userland. Tested on Exynos4 NURI / S5PC210 SLP7 boards. Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com>
58 lines
1.7 KiB
C
58 lines
1.7 KiB
C
/*
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* max8903_charger.h - Maxim 8903 USB/Adapter Charger Driver
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*
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* Copyright (C) 2011 Samsung Electronics
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* MyungJoo Ham <myungjoo.ham@samsung.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#ifndef __MAX8903_CHARGER_H__
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#define __MAX8903_CHARGER_H__
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struct max8903_pdata {
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/*
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* GPIOs
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* cen, chg, flt, and usus are optional.
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* dok, dcm, and uok are not optional depending on the status of
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* dc_valid and usb_valid.
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*/
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int cen; /* Charger Enable input */
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int dok; /* DC(Adapter) Power OK output */
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int uok; /* USB Power OK output */
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int chg; /* Charger status output */
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int flt; /* Fault output */
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int dcm; /* Current-Limit Mode input (1: DC, 2: USB) */
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int usus; /* USB Suspend Input (1: suspended) */
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/*
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* DC(Adapter/TA) is wired
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* When dc_valid is true,
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* dok and dcm should be valid.
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*
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* At least one of dc_valid or usb_valid should be true.
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*/
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bool dc_valid;
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/*
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* USB is wired
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* When usb_valid is true,
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* uok should be valid.
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*/
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bool usb_valid;
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};
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#endif /* __MAX8903_CHARGER_H__ */
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