diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig
index 9e512e2c9..4dbfae874 100644
--- a/drivers/mmc/host/Kconfig
+++ b/drivers/mmc/host/Kconfig
@@ -1090,6 +1090,7 @@ config MMC_LOONGSON2
 	tristate "Loongson-2K SD/SDIO/eMMC Host Interface support"
 	depends on LOONGARCH || COMPILE_TEST
 	depends on HAS_DMA
+	select REGMAP_MMIO
 	help
 	  This selects support for the SD/SDIO/eMMC Host Controller on
 	  Loongson-2K series CPUs.