iio: adc: ad485x: add ad485x driver

Add support for the AD485X DAS familiy.

Signed-off-by: Antoniu Miclaus <[email protected]>

Author: amiclaus

drivers/iio/adc/Kconfig

@@ -36,6 +36,18 @@ config AD4130
 	  To compile this driver as a module, choose M here: the module will be
 	  called ad4130.
 
+config AD485X
+	tristate "Analog Device AD485x DAS Driver"
+	depends on SPI
+	select REGMAP_SPI
+	select IIO_BACKEND
+	help
+	  Say yes here to build support for Analog Devices AD485x high speed
+	  data acquisition system (DAS).
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called ad485x.
+
 config AD7091R
 	tristate
 

drivers/iio/adc/Makefile

@@ -7,6 +7,7 @@
 obj-$(CONFIG_AB8500_GPADC) += ab8500-gpadc.o
 obj-$(CONFIG_AD_SIGMA_DELTA) += ad_sigma_delta.o
 obj-$(CONFIG_AD4130) += ad4130.o
+obj-$(CONFIG_AD485X) += ad485x.o
 obj-$(CONFIG_AD7091R) += ad7091r-base.o
 obj-$(CONFIG_AD7091R5) += ad7091r5.o
 obj-$(CONFIG_AD7091R8) += ad7091r8.o