diff --git a/drivers/iio/frequency/Kconfig b/drivers/iio/frequency/Kconfig
index f7534dd8a8ca..036763d3e84c 100644
--- a/drivers/iio/frequency/Kconfig
+++ b/drivers/iio/frequency/Kconfig
@@ -84,6 +84,7 @@ 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.