diff --git a/configs/r8a7796_ulcb_defconfig b/configs/r8a7796_ulcb_defconfig
index ab21008..b7d6088 100644
--- a/configs/r8a7796_ulcb_defconfig
+++ b/configs/r8a7796_ulcb_defconfig
@@ -36,6 +36,7 @@
 CONFIG_DM_ETH=y
 CONFIG_RENESAS_RAVB=y
 CONFIG_PINCTRL=y
+CONFIG_PINCONF=y
 CONFIG_PINCTRL_PFC=y
 CONFIG_DM_REGULATOR=y
 CONFIG_DM_REGULATOR_FIXED=y