diff --git a/arch/arm/boot/dts/lpc32xx.dtsi b/arch/arm/boot/dts/lpc32xx.dtsi
index c58d8da9ea2a..d7b84cd209db 100644
--- a/arch/arm/boot/dts/lpc32xx.dtsi
+++ b/arch/arm/boot/dts/lpc32xx.dtsi
@@ -294,6 +294,9 @@ clk: clock-controller@0 {
 
 					clocks = <&xtal_32k>, <&xtal>;
 					clock-names = "xtal_32k", "xtal";
+
+					assigned-clocks = <&clk LPC32XX_CLK_HCLK_PLL>;
+					assigned-clock-rates = <208000000>;
 				};
 			};