diff --git a/arch/arm/boot/dts/rk3288.dtsi b/arch/arm/boot/dts/rk3288.dtsi
index 1947ef8f9ceb..f7601f4f7bed 100644
--- a/arch/arm/boot/dts/rk3288.dtsi
+++ b/arch/arm/boot/dts/rk3288.dtsi
@@ -610,6 +610,8 @@
 		interrupts = <GIC_SPI 37 IRQ_TYPE_LEVEL_HIGH>;
 		clocks = <&cru SCLK_TSADC>, <&cru PCLK_TSADC>;
 		clock-names = "tsadc", "apb_pclk";
+		assigned-clocks = <&cru SCLK_TSADC>;
+		assigned-clock-rates = <10000>;
 		resets = <&cru SRST_TSADC>;
 		reset-names = "tsadc-apb";
 		pinctrl-names = "init", "default", "sleep";