diff --git a/configs/P2020RDB-PC_SDCARD_defconfig b/configs/P2020RDB-PC_SDCARD_defconfig
index a6d98b4..84e0b4e 100644
--- a/configs/P2020RDB-PC_SDCARD_defconfig
+++ b/configs/P2020RDB-PC_SDCARD_defconfig
@@ -128,6 +128,7 @@
 CONFIG_TSEC_ENET=y
 CONFIG_PCIE_FSL=y
 CONFIG_DM_RTC=y
+CONFIG_RTC_PT7C4338=y
 CONFIG_SYS_NS16550_SERIAL=y
 CONFIG_SPI=y
 CONFIG_DM_SPI=y