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>

1 files changed, 8 insertions, 0 deletions

diff --git a/drivers/power/Kconfig b/drivers/power/Kconfig
index 52a462fc6b84..1f50ebcc6399 100644
--- a/drivers/power/Kconfig
+++ b/drivers/power/Kconfig
@@ -203,6 +203,14 @@ config CHARGER_ISP1704
           Say Y to enable support for USB Charger Detection with
           ISP1707/ISP1704 USB transceivers.
 
+config CHARGER_MAX8903
+        tristate "MAX8903 Battery DC-DC Charger for USB and Adapter Power"
+        help
+          Say Y to enable support for the MAX8903 DC-DC charger and sysfs.
+          The driver supports controlling charger-enable and current-limit
+          pins based on the status of charger connections with interrupt
+          handlers.
+
 config CHARGER_TWL4030
         tristate "OMAP TWL4030 BCI charger driver"
         depends on TWL4030_CORE