--- a/arch/arm64/boot/dts/rockchip/rk3528.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3528.dtsi
@@ -91,6 +91,12 @@
 		};
 	};
 
+	cpuinfo {
+		compatible = "rockchip,cpuinfo";
+		nvmem-cells = <&otp_id>, <&otp_cpu_version>, <&cpu_code>;
+		nvmem-cell-names = "id", "cpu-version", "cpu-code";
+	};
+
 	firmware {
 		scmi: scmi {
 			compatible = "arm,scmi-smc";
