ARM: SAMSUNG: Move GPIO common functions to plat-samsung

This patch moves GPIO common functions (from plat-s3c64xx) into plat-samsung.
and adds the config option to build the plat-samsung/gpiolib for Samsung SoCs.

Signed-off-by: Adityapratap Sharma <aditya.ps@samsung.com>
Signed-off-by: Atul Dahiya <atul.dahiya@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>

1 files changed, 7 insertions, 0 deletions

diff --git a/arch/arm/plat-samsung/Kconfig b/arch/arm/plat-samsung/Kconfig
index e6c122967355..6484b5bf82c3 100644
--- a/arch/arm/plat-samsung/Kconfig
+++ b/arch/arm/plat-samsung/Kconfig
@@ -33,6 +33,13 @@ config SAMSUNG_IRQ_UART
 
 # options for gpio configuration support
 
+config SAMSUNG_GPIOLIB_4BIT
+        bool
+        help
+          GPIOlib file contains the 4 bit modification functions for gpio
+          configuration. GPIOlib shall be compiled only for S3C64XX and S5P
+          series of processors.
+
 config S3C_GPIO_CFG_S3C24XX
         bool
         help