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authorKukjin Kim <kgene.kim@samsung.com>2010-01-11 12:21:51 +0900
committerBen Dooks <ben-linux@fluff.org>2010-01-15 17:10:14 +0900
commit85841bcedd6048dd37cab58a504e5317192324c6 (patch)
treef8d77a38f861f10bd0aa847560519c31f8609166 /arch/arm
parent5b39be4637bb795b2133dbee0eadbcc08bdd4134 (diff)
ARM: SAMSUNG: Add config option for number of additional GPIO pins.
This patch adds a configuration option for specifing the number of additional GPIO pins to be used in addition to the GPIO pins supported onchip. Signed-off-by: Kukjin Kim <kgene.kim@samsung.com> Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/plat-samsung/Kconfig8
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/arm/plat-samsung/Kconfig b/arch/arm/plat-samsung/Kconfig
index 900b463fc19..faec4b8c626 100644
--- a/arch/arm/plat-samsung/Kconfig
+++ b/arch/arm/plat-samsung/Kconfig
@@ -66,6 +66,14 @@ config S3C_GPIO_PULL_UP
help
Internal configuration to enable the correct GPIO pull helper
+config SAMSUNG_GPIO_EXTRA
+ int "Number of additional GPIO pins"
+ default 0
+ help
+ Use additional GPIO space in addition to the GPIO's the SOC
+ provides. This allows expanding the GPIO space for use with
+ GPIO expanders.
+
# device definitions to compile in
config S3C_DEV_HSMMC