iio: light: add VEML6075 UVA and UVB light sensor driver

The Vishay VEMl6075 is a low power, 16-bit resolution UVA and UVB
light sensor with I2C interface and noise compensation (visible and
infrarred).

Every UV channel generates an output signal measured in counts per
integration period, where the integration time is configurable.

This driver adds support for both UV channels and the ultraviolet
index (UVI) inferred from them according to the device application note
with open-air (no teflon) coefficients.

Signed-off-by: Javier Carrasco <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jonathan Cameron <[email protected]>

MAINTAINERS

@@ -23054,6 +23054,12 @@ S:	Maintained
 F:	drivers/input/serio/userio.c
 F:	include/uapi/linux/userio.h
 
+VISHAY VEML6075 UVA AND UVB LIGHT SENSOR DRIVER
+M:	Javier Carrasco <[email protected]>
+S:	Maintained
+F:	Documentation/devicetree/bindings/iio/light/vishay,veml6075.yaml
+F:	drivers/iio/light/veml6075.c
+
 VISL VIRTUAL STATELESS DECODER DRIVER
 M:	Daniel Almeida <[email protected]>
 L:	[email protected]

drivers/iio/light/Kconfig

@@ -639,6 +639,17 @@ config VEML6070
 	  To compile this driver as a module, choose M here: the
 	  module will be called veml6070.
 
+config VEML6075
+	tristate "VEML6075 UVA and UVB light sensor"
+	select REGMAP_I2C
+	depends on I2C
+	help
+	  Say Y here if you want to build a driver for the Vishay VEML6075 UVA
+	  and UVB light sensor.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called veml6075.
+
 config VL6180
 	tristate "VL6180 ALS, range and proximity sensor"
 	depends on I2C

drivers/iio/light/Makefile

@@ -60,5 +60,6 @@ obj-$(CONFIG_VCNL4000)		+= vcnl4000.o
 obj-$(CONFIG_VCNL4035)		+= vcnl4035.o
 obj-$(CONFIG_VEML6030)		+= veml6030.o
 obj-$(CONFIG_VEML6070)		+= veml6070.o
+obj-$(CONFIG_VEML6075)		+= veml6075.o
 obj-$(CONFIG_VL6180)		+= vl6180.o
 obj-$(CONFIG_ZOPT2201)		+= zopt2201.o