diff --git a/arch/riscv/dts/jh7110.dtsi b/arch/riscv/dts/jh7110.dtsi
index 58e332e..7a8141a 100644
--- a/arch/riscv/dts/jh7110.dtsi
+++ b/arch/riscv/dts/jh7110.dtsi
@@ -498,8 +498,14 @@
 		};
 
 		sys_syscon: sys_syscon@13030000 {
-			compatible = "starfive,jh7110-sys-syscon","syscon";
+			compatible = "starfive,jh7110-sys-syscon","syscon", "simple-mfd";
 			reg = <0x0 0x13030000 0x0 0x1000>;
+
+			pllclk: clock-controller {
+				compatible = "starfive,jh7110-pll";
+				clocks = <&osc>;
+				#clock-cells = <1>;
+			};
 		};
 
 		sysgpio: pinctrl@13040000 {