diff --git a/arch/arm64/boot/dts/rockchip/rk1808.dtsi b/arch/arm64/boot/dts/rockchip/rk1808.dtsi
index ec36f2a81002..e7a065133473 100644
--- a/arch/arm64/boot/dts/rockchip/rk1808.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk1808.dtsi
@@ -435,7 +435,7 @@
 		clocks = <&cru SCLK_TSADC>, <&cru PCLK_TSADC>;
 		clock-names = "tsadc", "apb_pclk";
 		assigned-clocks = <&cru SCLK_TSADC>;
-		assigned-clock-rates = <50000>;
+		assigned-clock-rates = <650000>;
 		resets = <&cru SRST_TSADC>;
 		reset-names = "tsadc-apb";
 		#thermal-sensor-cells = <1>;