diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig
index 30516dc0b70ec21939b0f3a6edc567440ddb5be7..6ce486a7f5695769e19a5700fbcc102ec9cbc2a0 100644
--- a/arch/arm64/configs/defconfig
+++ b/arch/arm64/configs/defconfig
@@ -935,6 +935,7 @@ CONFIG_RTC_DRV_TEGRA=y
 CONFIG_RTC_DRV_SNVS=m
 CONFIG_RTC_DRV_IMX_SC=m
 CONFIG_RTC_DRV_XGENE=y
+CONFIG_RTC_DRV_MT6397=m
 CONFIG_DMADEVICES=y
 CONFIG_DMA_BCM2835=y
 CONFIG_DMA_SUN6I=m