power_supply: Add driver for LTC4088 Charger

LTC4088 is high efficiency USB powerpath controller
and Li-Ion/Polymer battery charger. This driver
enables the charger, allows to set current limits,
and detection.

Change-Id: I844431210cfd6e71d02fa7ffb730ee56d8417273
Signed-off-by: Jay Chokshi <jchokshi@codeaurora.org>
diff --git a/drivers/power/Kconfig b/drivers/power/Kconfig
index 7c8dfea..3dfa68e 100644
--- a/drivers/power/Kconfig
+++ b/drivers/power/Kconfig
@@ -338,6 +338,13 @@
 	help
 	  Say Y here to enable support for pm8921 chip bms subdevice
 
+config LTC4088_CHARGER
+	tristate "LTC4088 Charger driver"
+	depends on GPIOLIB
+	help
+	  Say Y here to enable support for ltc4088 chip charger. It controls the
+	  operations through GPIO pins.
+
 config PM8921_BMS
 	select PM8XXX_CCADC
 	tristate "PM8921 Battery Monitoring System driver"