iio: potentiometer: Add support for the Renesas X9250 potentiometers

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The Renesas X9250 integrates four digitally controlled potentiometers.
On each potentiometer, the X9250T has a 100 kOhms total resistance and
the X9250U has a 50 kOhms total resistance.

Signed-off-by: Herve Codina <herve.codina@bootlin.com>
Link: https://lore.kernel.org/r/20230509160852.158101-3-herve.codina@bootlin.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

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Herve Codina 2023-05-09 18:08:51 +02:00 • committed by Jonathan Cameron

parent dd731888d1

commit 66bfc528a6

3 changed files with 231 additions and 0 deletions

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10

drivers/iio/potentiometer/Kconfig

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1

drivers/iio/potentiometer/Makefile

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220

drivers/iio/potentiometer/x9250.c

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