iio: light: Add support for TI OPT4001 light sensor

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This driver uses the continuous mode of the chip and integration
time can be configured through sysfs.
The constants for calculating lux value differs between packaging
so it uses different compatible string for the two versions
"ti,opt4001-picostar" and "ti,opt4001-sot-5x3" since the device id
is the same.

Datasheet: https://www.ti.com/lit/gpn/opt4001
Signed-off-by: Stefan Windfeldt-Prytz <stefan.windfeldt-prytz@axis.com>
Link: https://lore.kernel.org/r/20230323-add-opt4001-driver-v3-2-62e121dab294@axis.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

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Stefan Windfeldt-Prytz 2023-04-26 13:57:30 +02:00 • committed by Jonathan Cameron

parent 480abd88c0

commit 9a96084182

3 changed files with 479 additions and 0 deletions

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11

drivers/iio/light/Kconfig

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1

drivers/iio/light/Makefile

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467

drivers/iio/light/opt4001.c

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