tree 2a40ad92c18c7a2854326d4b46526155e775bd6c
parent f881a4df4f34e3902b27003a20b7cf9f15251482
author Dan Murphy <dmurphy@ti.com> 1373566227 -0500
committer Tom Rini <trini@ti.com> 1375190502 -0400

gpio: tca642x: Add the tca642x gpio expander driver

Add the tca642x gpio expander driver

Datasheet:
http://www.ti.com/product/tca6424a

Signed-off-by: Dan Murphy <dmurphy@ti.com>