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iio: light: as73211: New driver

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Support for AMS AS73211 JENCOLOR(R) Digital XYZ Sensor.

This driver has no built-in trigger. In order for making triggered
measurements, an external (software) trigger driver like
iio-trig-hrtimer or iio-trig-sysfs is required.

The sensor supports single and continuous measurement modes. The latter
is not used by design as this would require tight timing synchronization
between hardware and driver without much benefit.

Datasheet: https://ams.com/documents/20143/36005/AS73211_DS000556_3-01.pdf
Signed-off-by: Christian Eggers <ceggers@arri.de>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Christian Eggers
2020-08-05 07:57:44 +02:00
committed by Jonathan Cameron
parent 96e55c38bb
commit 403e5586b5
4 changed files with 824 additions and 0 deletions
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7
MAINTAINERS
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@@ -943,6 +943,13 @@ S: Supported
F: arch/arm64/boot/dts/amd/amd-seattle-xgbe*.dtsi
F: drivers/net/ethernet/amd/xgbe/
AMS AS73211 DRIVER
M: Christian Eggers <ceggers@arri.de>
L: linux-iio@vger.kernel.org
S: Maintained
F: Documentation/devicetree/bindings/iio/light/ams,as73211.yaml
F: drivers/iio/light/as73211.c
ANALOG DEVICES INC AD5686 DRIVER
M: Michael Hennerich <Michael.Hennerich@analog.com>
L: linux-pm@vger.kernel.org

15
drivers/iio/light/Kconfig
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@@ -86,6 +86,21 @@ config APDS9960
To compile this driver as a module, choose M here: the
module will be called apds9960
config AS73211
tristate "AMS AS73211 XYZ color sensor"
depends on I2C
select IIO_BUFFER
select IIO_TRIGGERED_BUFFER
help
If you say yes here you get support for the AMS AS73211
JENCOLOR(R) Digital XYZ Sensor.
For triggered measurements, you will need an additional trigger driver
like IIO_HRTIMER_TRIGGER or IIO_SYSFS_TRIGGER.
This driver can also be built as a module. If so, the module
will be called as73211.
config BH1750
tristate "ROHM BH1750 ambient light sensor"
depends on I2C

1
drivers/iio/light/Makefile
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@@ -11,6 +11,7 @@ obj-$(CONFIG_AL3010) += al3010.o
obj-$(CONFIG_AL3320A) += al3320a.o
obj-$(CONFIG_APDS9300) += apds9300.o
obj-$(CONFIG_APDS9960) += apds9960.o
obj-$(CONFIG_AS73211) += as73211.o
obj-$(CONFIG_BH1750) += bh1750.o
obj-$(CONFIG_BH1780) += bh1780.o
obj-$(CONFIG_CM32181) += cm32181.o

801
drivers/iio/light/as73211.c Normal file
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