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authorBen Dooks <ben-linux@fluff.org>2008-11-10 10:59:32 +0000
committerBen Dooks <ben-linux@fluff.org>2008-12-18 14:43:07 +0000
commite2178d437460dafaaae89926088523432eb4de53 (patch)
treefe14348512ccfa934eead187f315c2bde8d72f48 /arch/arm/mach-s3c2410/include
parent8783b3446ba33a1cdd43f7eaa4ad6a1b73502a1a (diff)
[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>
Diffstat (limited to 'arch/arm/mach-s3c2410/include')
-rw-r--r--arch/arm/mach-s3c2410/include/mach/gpio.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c2410/include/mach/gpio.h b/arch/arm/mach-s3c2410/include/mach/gpio.h
index 3b52b86498a..e0349af8a48 100644
--- a/arch/arm/mach-s3c2410/include/mach/gpio.h
+++ b/arch/arm/mach-s3c2410/include/mach/gpio.h
@@ -15,4 +15,10 @@
#define gpio_set_value __gpio_set_value
#define gpio_cansleep __gpio_cansleep
+/* some boards require extra gpio capacity to support external
+ * devices that need GPIO.
+ */
+
+#define ARCH_NR_GPIOS (256 + CONFIG_S3C24XX_GPIO_EXTRA)
+
#include <asm-generic/gpio.h>