[ARM] S3C24XX: Add extra GPIOs via Kconfig

Add Kconfig entries to allow more GPIO space to
be specified depending on the machine(s) selected.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>

1 files changed, 21 insertions, 0 deletions

diff --git a/arch/arm/plat-s3c24xx/Kconfig b/arch/arm/plat-s3c24xx/Kconfig
index 0af3872fb763..7fe28aaa08ca 100644
--- a/arch/arm/plat-s3c24xx/Kconfig
+++ b/arch/arm/plat-s3c24xx/Kconfig
@@ -28,6 +28,27 @@ config S3C24XX_PWM
           Support for exporting the PWM timer blocks via the pwm device
           system.
 
+
+# gpio configurations
+
+config S3C24XX_GPIO_EXTRA
+        int
+        default 128 if S3C24XX_GPIO_EXTRA128
+        default 64 if S3C24XX_GPIO_EXTRA64
+        default 0
+
+config S3C24XX_GPIO_EXTRA64
+        bool
+        help
+          Add an extra 64 gpio numbers to the available GPIO pool. This is
+          available for boards that need extra gpios for external devices.
+
+config S3C24XX_GPIO_EXTRA128
+        bool
+        help
+          Add an extra 128 gpio numbers to the available GPIO pool. This is
+          available for boards that need extra gpios for external devices.
+
 config PM_SIMTEC
         bool
         help