diff --git a/drivers/iio/adc/Kconfig b/drivers/iio/adc/Kconfig
index 1c663c98c6c9..50eafa128cf4 100644
--- a/drivers/iio/adc/Kconfig
+++ b/drivers/iio/adc/Kconfig
@@ -33,7 +33,8 @@ config AB8500_GPADC
 	  and USB voltages integral to the U8500 platform.
 
 config AD_SIGMA_DELTA
-	tristate
+	tristate "Analog Devices Sigma-Delta Modulator support" if COMPILE_TEST
+	depends on SPI
 	select IIO_BUFFER
 	select IIO_BUFFER_DMAENGINE
 	select IIO_TRIGGERED_BUFFER