--- a/arch/arm64/boot/dts/rockchip/rk3308.dtsi	2020-12-26 18:07:15.666727654 +0200
+++ b/arch/arm64/boot/dts/rockchip/rk3308.dtsi	2020-12-26 18:35:42.115701024 +0200
@@ -139,6 +151,12 @@
 		interrupt-affinity = <&cpu0>, <&cpu1>, <&cpu2>, <&cpu3>;
 	};
 
+	cpuinfo {
+		compatible = "rockchip,cpuinfo";
+		nvmem-cells = <&cpu_id>;
+		nvmem-cell-names = "id";
+	};
+
 	mac_clkin: external-mac-clock {
 		compatible = "fixed-clock";
 		clock-frequency = <50000000>;
@@ -146,6 +164,29 @@
 		#clock-cells = <0>;
 	};
 
+	otp: otp@ff210000 {
+		compatible = "rockchip,rk3308-otp";
+		reg = <0x0 0xff210000 0x0 0x4000>;
+		#address-cells = <1>;
+		#size-cells = <1>;
+		clocks = <&cru SCLK_OTP_USR>, <&cru PCLK_OTP_NS>,
+			 <&cru PCLK_OTP_PHY>;
+		clock-names = "otp", "apb_pclk", "phy";
+		resets = <&cru SRST_OTP_PHY>;
+		reset-names = "phy";
+
+		/* Data cells */
+		cpu_id: id@7 {
+			reg = <0x07 0x10>;
+		};
+		cpu_leakage: cpu-leakage@17 {
+			reg = <0x17 0x1>;
+		};
+		logic_leakage: logic-leakage@18 {
+			reg = <0x18 0x1>;
+		};
+	};
+
 	psci {
 		compatible = "arm,psci-1.0";
 		method = "smc";