diff --git a/arch/arm64/boot/dts/rockchip/rk3399.dtsi b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
index 3a1bc14d2dc6..2c9bb5de5dd9 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
@@ -685,6 +685,7 @@
 		compatible = "rockchip,rk3399-tsadc";
 		reg = <0x0 0xff260000 0x0 0x100>;
 		interrupts = <GIC_SPI 97 IRQ_TYPE_LEVEL_HIGH>;
+		rockchip,grf = <&grf>;
 		clocks = <&cru SCLK_TSADC>, <&cru PCLK_TSADC>;
 		clock-names = "tsadc", "apb_pclk";
 		resets = <&cru SRST_TSADC>;