diff --git a/configs/chromebook_bob_defconfig b/configs/chromebook_bob_defconfig
index 989a821..d032194 100644
--- a/configs/chromebook_bob_defconfig
+++ b/configs/chromebook_bob_defconfig
@@ -66,6 +66,7 @@
 CONFIG_SYS_I2C_ROCKCHIP=y
 CONFIG_I2C_MUX=y
 CONFIG_CROS_EC_KEYB=y
+CONFIG_ROCKCHIP_IODOMAIN=y
 CONFIG_CROS_EC=y
 CONFIG_CROS_EC_SPI=y
 CONFIG_PWRSEQ=y