Merge tag 'mfd-3.8-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6

[cascardo/linux.git] / drivers / gpio / Kconfig

diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index bf892bd..8ae1f5b 100644 (file)
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -683,4 +683,17 @@ config GPIO_MSIC
          Enable support for GPIO on intel MSIC controllers found in
          intel MID devices
 
+comment "USB GPIO expanders:"
+
+config GPIO_VIPERBOARD
+       tristate "Viperboard GPIO a & b support"
+       depends on MFD_VIPERBOARD && USB
+       help
+         Say yes here to access the GPIO signals of Nano River
+         Technologies Viperboard. There are two GPIO chips on the
+         board: gpioa and gpiob.
+          See viperboard API specification and Nano
+          River Tech's viperboard.h for detailed meaning
+          of the module parameters.
+
 endif