diff --git a/linux/arch/riscv/boot/dts/starfive/jh7110-milkv-mars-cm.dtsi b/linux/arch/riscv/boot/dts/starfive/jh7110-milkv-mars-cm.dtsi
index 45cfb9efe..4cff53099 100755
--- a/linux/arch/riscv/boot/dts/starfive/jh7110-milkv-mars-cm.dtsi
+++ b/linux/arch/riscv/boot/dts/starfive/jh7110-milkv-mars-cm.dtsi
@@ -454,6 +454,12 @@
 		pagesize = <16>;
 	};
 
+	pcf85063: pcf85063@51 {
+		compatible = "nxp,pcf85063a";
+		reg = <0x51>;
+		status = "okay";
+	};
+
 	pmic: axp15060_reg@36 {
 		compatible = "stf,axp15060-regulator";
 		reg = <0x36>;
diff --git a/linux/arch/riscv/configs/starfive_visionfive2_defconfig b/linux/arch/riscv/configs/starfive_visionfive2_defconfig
index d2613482f..b76563a28 100644
--- a/linux/arch/riscv/configs/starfive_visionfive2_defconfig
+++ b/linux/arch/riscv/configs/starfive_visionfive2_defconfig
@@ -323,6 +323,7 @@ CONFIG_LEDS_GPIO=y
 CONFIG_LEDS_TRIGGER_HEARTBEAT=y
 CONFIG_LEDS_TRIGGER_GPIO=y
 CONFIG_RTC_CLASS=y
+CONFIG_RTC_DRV_PCF85063=y
 CONFIG_RTC_DRV_STARFIVE=y
 CONFIG_RTC_DRV_GOLDFISH=y
 CONFIG_DMADEVICES=y