gpio: Add support for RDC321x GPIO controller

This patch adds a new GPIO driver for the RDC321x SoC GPIO controller.

Signed-off-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

1 files changed, 8 insertions, 0 deletions

diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index 4fd0f276df5a..56eb0c59c512 100644
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -282,6 +282,14 @@ config GPIO_TIMBERDALE
         ---help---
         Add support for the GPIO IP in the timberdale FPGA.
 
+config GPIO_RDC321X
+        tristate "RDC R-321x GPIO support"
+        depends on PCI && GPIOLIB
+        select MFD_RDC321X
+        help
+          Support for the RDC R321x SoC GPIOs over southbridge
+          PCI configuration space.
+
 comment "SPI GPIO expanders:"
 
 config GPIO_MAX7301