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| author | Alek Du <alek.du@intel.com> | 2009-09-22 16:46:36 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-09-23 07:39:48 -0700 |
| commit | 8bf026177000c5bb566cafe2528a96f8380f38bd (patch) | |
| tree | 865a7bc9880e0c1c2338bb6a59350f104873c467 /drivers/gpio/Kconfig | |
| parent | 4cf8e53b3b55fa2f9b2a6b9c3e557b649adf7c6a (diff) | |
| download | linux-8bf026177000c5bb566cafe2528a96f8380f38bd.tar.gz linux-8bf026177000c5bb566cafe2528a96f8380f38bd.tar.bz2 linux-8bf026177000c5bb566cafe2528a96f8380f38bd.zip | |
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/Kconfig | 6 |
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 |