power_supply: Add gpio charger driver

This patch adds a simple driver for chargers indicating their online
status through a GPIO pin.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com>

1 files changed, 10 insertions, 0 deletions

diff --git a/drivers/power/Kconfig b/drivers/power/Kconfig
index 60d83d983a36..32165295cb1b 100644
--- a/drivers/power/Kconfig
+++ b/drivers/power/Kconfig
@@ -185,4 +185,14 @@ config CHARGER_TWL4030
         help
           Say Y here to enable support for TWL4030 Battery Charge Interface.
 
+config CHARGER_GPIO
+        tristate "GPIO charger"
+        depends on GPIOLIB
+        help
+          Say Y to include support for chargers which report their online status
+          through a GPIO pin.
+
+          This driver can be build as a module. If so, the module will be
+          called gpio-charger.
+
 endif # POWER_SUPPLY