diff --git a/configs/coreboot-x86_defconfig b/configs/coreboot-x86_defconfig
index 2fa11fd442cc9fa30d06a6c427fab7144fbb1e2e..b18d80dea6008fe43151391a973ebb0b54c952a3 100644
--- a/configs/coreboot-x86_defconfig
+++ b/configs/coreboot-x86_defconfig
@@ -24,6 +24,8 @@ CONFIG_CMD_EXT4_WRITE=y
 CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
 CONFIG_OF_CONTROL=y
+CONFIG_REGMAP=y
+CONFIG_SYSCON=y
 CONFIG_SPI_FLASH=y
 CONFIG_SPI_FLASH_GIGADEVICE=y
 CONFIG_SPI_FLASH_MACRONIX=y
diff --git a/configs/qemu-x86_defconfig b/configs/qemu-x86_defconfig
index 45bb3ec0e9e9f3656fbf28070caed21983abf118..a03cff8e3fa9535c554b3ccad59f11991e3e0a9b 100644
--- a/configs/qemu-x86_defconfig
+++ b/configs/qemu-x86_defconfig
@@ -28,6 +28,8 @@ CONFIG_CMD_EXT4_WRITE=y
 CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
 CONFIG_OF_CONTROL=y
+CONFIG_REGMAP=y
+CONFIG_SYSCON=y
 CONFIG_CPU=y
 CONFIG_SPI_FLASH=y
 CONFIG_SPI_FLASH_GIGADEVICE=y