GPIOs > 31 require special handling. This patch fixes both the
initialisation and direction get/set operations.
Signed-off-by: Paul Fertser <fercerpav@gmail.com>
Reviewed-by: Sander Vanheule <sander@svanheule.net>
This fixes the usage of the RTL8231 GPIO extender chip
when used with the RTL839X SoCs. Specifically,
the PHY addresses may be different from 0.
Signed-off-by: Birger Koblitz <git@birger-koblitz.de>