diff options
| author | MyungJoo Ham <myungjoo.ham@samsung.com> | 2011-03-29 05:10:16 +0400 |
|---|---|---|
| committer | Anton Vorontsov <cbouatmailru@gmail.com> | 2011-04-20 17:48:48 +0400 |
| commit | b14a9ccc1ddddfbc76b7cae06d02db4adf0ae1db (patch) | |
| tree | e9d1e596cee9ab6586972b1146ac412bab8745c3 /include | |
| parent | f0e615c3cb72b42191b558c130409335812621d8 (diff) | |
| download | linux-b14a9ccc1ddddfbc76b7cae06d02db4adf0ae1db.tar.xz | |
power_supply: Add driver for MAX8903 charger
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>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/power/max8903_charger.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/include/linux/power/max8903_charger.h b/include/linux/power/max8903_charger.h new file mode 100644 index 000000000000..24f51db8a83f --- /dev/null +++ b/include/linux/power/max8903_charger.h @@ -0,0 +1,57 @@ +/* + * max8903_charger.h - Maxim 8903 USB/Adapter Charger Driver + * + * Copyright (C) 2011 Samsung Electronics + * MyungJoo Ham <myungjoo.ham@samsung.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#ifndef __MAX8903_CHARGER_H__ +#define __MAX8903_CHARGER_H__ + +struct max8903_pdata { + /* + * GPIOs + * cen, chg, flt, and usus are optional. + * dok, dcm, and uok are not optional depending on the status of + * dc_valid and usb_valid. + */ + int cen; /* Charger Enable input */ + int dok; /* DC(Adapter) Power OK output */ + int uok; /* USB Power OK output */ + int chg; /* Charger status output */ + int flt; /* Fault output */ + int dcm; /* Current-Limit Mode input (1: DC, 2: USB) */ + int usus; /* USB Suspend Input (1: suspended) */ + + /* + * DC(Adapter/TA) is wired + * When dc_valid is true, + * dok and dcm should be valid. + * + * At least one of dc_valid or usb_valid should be true. + */ + bool dc_valid; + /* + * USB is wired + * When usb_valid is true, + * uok should be valid. + */ + bool usb_valid; +}; + +#endif /* __MAX8903_CHARGER_H__ */ |