diff --git a/arch/arm/boot/dts/stih407-family.dtsi b/arch/arm/boot/dts/stih407-family.dtsi
index 33de73616d392..ad8ba10764a33 100644
--- a/arch/arm/boot/dts/stih407-family.dtsi
+++ b/arch/arm/boot/dts/stih407-family.dtsi
@@ -584,7 +584,7 @@
 			reg = <0x8788000 0x1000>;
 			interrupts = <GIC_SPI 130 IRQ_TYPE_EDGE_RISING>;
 			clocks = <&clk_s_d3_flexgen CLK_LPC_1>;
-			st,lpc-mode = <ST_LPC_MODE_RTC>;
+			st,lpc-mode = <ST_LPC_MODE_CLKSRC>;
 		};
 
 		sata0: sata@9b20000 {