diff --git a/arch/arm64/boot/dts/rockchip/rk1808.dtsi b/arch/arm64/boot/dts/rockchip/rk1808.dtsi
index 87e1367c28a8..35d2e18c0229 100644
--- a/arch/arm64/boot/dts/rockchip/rk1808.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk1808.dtsi
@@ -138,6 +138,22 @@
 			<100000000>;
 	};
 
+	tsadc: tsadc@ff3a0000 {
+		compatible = "rockchip,rk1808-tsadc";
+		reg = <0x0 0xff3a0000 0x0 0x100>;
+		interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>;
+		rockchip,grf = <&grf>;
+		clocks = <&cru SCLK_TSADC>, <&cru PCLK_TSADC>;
+		clock-names = "tsadc", "apb_pclk";
+		assigned-clocks = <&cru SCLK_TSADC>;
+		assigned-clock-rates = <50000>;
+		resets = <&cru SRST_TSADC>;
+		reset-names = "tsadc-apb";
+		#thermal-sensor-cells = <1>;
+		rockchip,hw-tshut-temp = <120000>;
+		status = "disabled";
+	};
+
 	pwm0: pwm@ff3d0000 {
 		compatible = "rockchip,rk1808-pwm", "rockchip,rk3328-pwm";
 		reg = <0x0 0xff3d0000 0x0 0x10>;
@@ -1233,5 +1249,16 @@
 					<3 RK_PA3 2 &pcfg_pull_none>;
 			};
 		};
+		tsadc {
+			tsadc_otp_gpio: tsadc-otp-gpio {
+				rockchip,pins =
+					<0 RK_PA6 0 &pcfg_pull_none>;
+			};
+
+			tsadc_otp_out: tsadc-otp-out {
+				rockchip,pins =
+					<0 RK_PA6 2 &pcfg_pull_none>;
+			};
+		};
 	};
 };