diff --git a/arch/arm64/boot/dts/rockchip/rk3368-p9.dts b/arch/arm64/boot/dts/rockchip/rk3368-p9.dts
index 4928e62916f1..54cb0578bebe 100644
--- a/arch/arm64/boot/dts/rockchip/rk3368-p9.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3368-p9.dts
@@ -676,6 +676,11 @@
 	status = "okay";
 };
 
+&tsadc {
+	tsadc-supply = <&syr827>;
+	status = "okay";
+};
+
 &pinctrl {
 	pmic {
 		pmic_int_l: pmic-int-l {