diff --git a/drivers/iio/frequency/Kconfig b/drivers/iio/frequency/Kconfig
index 599a5f67fe11..023997786ce0 100644
--- a/drivers/iio/frequency/Kconfig
+++ b/drivers/iio/frequency/Kconfig
@@ -73,6 +73,7 @@ config ADMV1014
 config ADMV4420
 	tristate "Analog Devices ADMV4420 K Band Downconverter"
 	depends on SPI
+	select REGMAP_SPI
 	help
 	  Say yes here to build support for Analog Devices K Band
 	  Downconverter with integrated Fractional-N PLL and VCO.