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Commit a1f7fc48 authored by Eric Miao's avatar Eric Miao Committed by Russell King
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[ARM] pxa: add GPIO expander (PCA9539) support for zylonite 



     And also reserve 32 IRQs for the two GPIO expanders.

Signed-off-by: default avatarEric Miao <eric.miao@marvell.com>
Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
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