X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=drivers%2Fextcon%2FKconfig;h=6a1f7de6fa542f3da3ceb472e39c784efcc161ab;hb=d2c032e3dc58137a7261a7824d3acce435db1d66;hp=6f2f4727de2cbab5572d5726a30ddc86b034f895;hpb=b2d1965dcea148100ffc4e7199470bf5fad13871;p=firefly-linux-kernel-4.4.55.git

diff --git a/drivers/extcon/Kconfig b/drivers/extcon/Kconfig
index 6f2f4727de2c..6a1f7de6fa54 100644
--- a/drivers/extcon/Kconfig
+++ b/drivers/extcon/Kconfig
@@ -70,8 +70,21 @@ config EXTCON_PALMAS
 	  Say Y here to enable support for USB peripheral and USB host
 	  detection by palmas usb.
 
+config EXTCON_RT8973A
+	tristate "RT8973A EXTCON support"
+	depends on I2C
+	select IRQ_DOMAIN
+	select REGMAP_I2C
+	select REGMAP_IRQ
+	help
+	  If you say yes here you get support for the MUIC device of
+	  Richtek RT8973A. The RT8973A is a USB port accessory detector
+	  and switch that is optimized to protect low voltage system
+	  from abnormal high input voltage (up to 28V).
+
 config EXTCON_SM5502
 	tristate "SM5502 EXTCON support"
+	depends on I2C
 	select IRQ_DOMAIN
 	select REGMAP_I2C
 	select REGMAP_IRQ