extcon: rt8973a: Add Richtek RT8973A extcon driver

[firefly-linux-kernel-4.4.55.git] / drivers / extcon / Kconfig

diff --git a/drivers/extcon/Kconfig b/drivers/extcon/Kconfig
index 764f3a113e0a41cf40173859523beb04173e0b8d..6a1f7de6fa542f3da3ceb472e39c784efcc161ab 100644 (file)
--- a/drivers/extcon/Kconfig
+++ b/drivers/extcon/Kconfig
@@ -70,6 +70,18 @@ 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