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Commit ac2d8993 authored by Chekhov Ma's avatar Chekhov Ma Committed by Alberto Escolar
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drivers: gpio: add pca_series gpio expander driver 



There are numbers of drivers for different PCA(L) series chip. They
share similiar register layout and control logic. This driver intends
to unify these drivers for PCA(L)xxxx series i2c gpio expanders.

Signed-off-by: default avatarChekhov Ma <chekhov.ma@nxp.com>
parent 4b657f7a
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