eb86c3064b
Some DS13XX devices have "trickle chargers". Its configuration register is at different locations, the setup is the same, though. Since the configuration is board specific, introduce a platform_data to this driver. Tested with a DS1339 on a custom board. Signed-off-by: Wolfram Sang <w.sang@pengutronix.de> Cc: Alessandro Zummo <alessandro.zummo@towertech.it> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
22 lines
546 B
C
22 lines
546 B
C
/*
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* ds1307.h - platform_data for the ds1307 (and variants) rtc driver
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* (C) Copyright 2012 by Wolfram Sang, Pengutronix e.K.
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* same license as the driver
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*/
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#ifndef _LINUX_DS1307_H
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#define _LINUX_DS1307_H
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#include <linux/types.h>
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#define DS1307_TRICKLE_CHARGER_250_OHM 0x01
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#define DS1307_TRICKLE_CHARGER_2K_OHM 0x02
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#define DS1307_TRICKLE_CHARGER_4K_OHM 0x03
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#define DS1307_TRICKLE_CHARGER_NO_DIODE 0x04
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#define DS1307_TRICKLE_CHARGER_DIODE 0x08
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struct ds1307_platform_data {
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u8 trickle_charger_setup;
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};
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#endif /* _LINUX_DS1307_H */
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