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twl4030_charger: Add backup-battery charging

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This allows a voltage and current (bb_uvolts and bb_uamps) to be
specified in the platform_data, and charging of the backup battery will
be enabled with those specification.

As it is not possible to monitor the backup battery at all there is no
new device created to represent it.

Signed-off-by: NeilBrown <neilb@suse.de>
Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com>
This commit is contained in:
NeilBrown
2012-05-09 07:40:40 +10:00
committed by Anton Vorontsov
parent 9c645d2f88
commit 210d4bc8a3
2 changed files with 61 additions and 0 deletions
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2
include/linux/i2c/twl.h
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@@ -555,6 +555,8 @@ struct twl4030_clock_init_data {
struct twl4030_bci_platform_data {
int *battery_tmp_tbl;
unsigned int tblsize;
int bb_uvolt; /* voltage to charge backup battery */
int bb_uamp; /* current for backup battery charging */
};
/* TWL4030_GPIO_MAX (18) GPIOs, with interrupts */