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authorAlek Du <alek.du@intel.com>2009-09-22 16:46:36 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-09-23 07:39:48 -0700
commit8bf026177000c5bb566cafe2528a96f8380f38bd (patch)
tree865a7bc9880e0c1c2338bb6a59350f104873c467 /drivers/gpio/Kconfig
parent4cf8e53b3b55fa2f9b2a6b9c3e557b649adf7c6a (diff)
gpio: add Intel Moorestown Platform Langwell chip gpio driver
The Langwell chip is the IO hub for Intel Moorestown platform which has a 64-pin gpio block device inside. It is exposed as a dedicated PCI device. We use it to control outside peripheral as well as to do IRQ demuxing. The gpio block uses MSI to send level type interrupt to IOAPIC. Signed-off-by: Alek Du <alek.du@intel.com> Cc: David Brownell <david-b@pacbell.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/gpio/Kconfig')
-rw-r--r--drivers/gpio/Kconfig6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index ccca08e0b595..9ad20ffdbf8c 100644
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -180,6 +180,12 @@ config GPIO_BT8XX
If unsure, say N.
+config GPIO_LANGWELL
+ bool "Intel Moorestown Platform Langwell GPIO support"
+ depends on PCI
+ help
+ Say Y here to support Intel Moorestown platform GPIO.
+
comment "SPI GPIO expanders:"
config GPIO_MAX7301