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gpio: add MSIC gpio driver
authorMathias Nyman <mathias.nyman@linux.intel.com>
Tue, 24 Apr 2012 10:02:49 +0000 (11:02 +0100)
committerGrant Likely <grant.likely@secretlab.ca>
Fri, 11 May 2012 19:14:54 +0000 (13:14 -0600)
Add gpio support for Intel MSIC chips found in Intel Medfield platforms.
MSIC supports totally 24 GPIOs with 16 low voltage and 8 high voltage pins.
Driver uses MSIC mfd interface for MSIC access.

(Updated comment to indicate why locking is actually safe)

Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>

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