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authorAlek Du <alek.du@intel.com>2009-09-23 01:46:36 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2009-09-23 16:39:48 +0200
commit8bf026177000c5bb566cafe2528a96f8380f38bd (patch)
tree865a7bc9880e0c1c2338bb6a59350f104873c467 /virt/kvm
parentmfd/gpio: add a GPIO interface to the UCB1400 MFD chip driver via gpiolib (diff)
downloadlinux-8bf026177000c5bb566cafe2528a96f8380f38bd.tar.xz
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>
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