gpio: Add APM X-Gene SoC GPIO controller support

Add APM X-Gene SoC gpio controller driver.

Signed-off-by: Feng Kan <fkan@apm.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

1 files changed, 9 insertions, 0 deletions

diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index 9de1515e5808..1fe93eb61927 100644
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -334,6 +334,15 @@ config GPIO_TZ1090_PDC
         help
           Say yes here to support Toumaz Xenif TZ1090 PDC GPIOs.
 
+config GPIO_XGENE
+        bool "APM X-Gene GPIO controller support"
+        depends on ARM64 && OF_GPIO
+        help
+          This driver is to support the GPIO block within the APM X-Gene SoC
+          platform's generic flash controller. The GPIO pins are muxed with
+          the generic flash controller's address and data pins. Say yes
+          here to enable the GFC GPIO functionality.
+
 config GPIO_XILINX
         bool "Xilinx GPIO support"
         depends on PPC_OF || MICROBLAZE || ARCH_ZYNQ