gpio: pca953x: define masks for addressing common and extended registers

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These mask bits are to be used to map the extended register
addresses (which are defined for an unsupported 8-bit pcal chip)
to 16 and 24 bit chips (pcal6524).

Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

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H. Nikolaus Schaller 2018-05-17 06:59:48 +02:00 • committed by Linus Walleij

parent 0cdf21b34e

commit 394aeef83c

1 changed files with 4 additions and 0 deletions

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drivers/gpio/gpio-pca953x.c

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