--- linux-stable/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi	2018-09-12 15:48:45.771415473 +0000
+++ /tmp/sun50i-a64.dtsi	2018-09-12 15:50:33.029155085 +0000
@@ -88,6 +88,18 @@
 			device_type = "cpu";
 			reg = <0>;
 			enable-method = "psci";
+			cpufreq_tbl = < 480000
+					600000
+					720000
+					816000
+					1008000
+					1104000
+					1152000
+					1200000
+					1344000>;
+			clock-latency = <2000000>;
+			clock-frequency = <1008000000>;
+			cpu-idle-states = <&CPU_SLEEP_0 &CLUSTER_SLEEP_0 &SYS_SLEEP_0>;
 		};

 		cpu1: cpu@1 {
@@ -95,6 +107,8 @@
 			device_type = "cpu";
 			reg = <1>;
 			enable-method = "psci";
+			clock-frequency = <1008000000>;
+			cpu-idle-states = <&CPU_SLEEP_0 &CLUSTER_SLEEP_0 &SYS_SLEEP_0>;
 		};

 		cpu2: cpu@2 {
@@ -102,6 +116,8 @@
 			device_type = "cpu";
 			reg = <2>;
 			enable-method = "psci";
+			clock-frequency = <1008000000>;
+			cpu-idle-states = <&CPU_SLEEP_0 &CLUSTER_SLEEP_0 &SYS_SLEEP_0>;
 		};

 		cpu3: cpu@3 {
@@ -109,6 +125,35 @@
 			device_type = "cpu";
 			reg = <3>;
 			enable-method = "psci";
+			clock-frequency = <1008000000>;
+			cpu-idle-states = <&CPU_SLEEP_0 &CLUSTER_SLEEP_0 &SYS_SLEEP_0>;
+		};
+		idle-states {
+			entry-method = "arm,psci";
+
+			CPU_SLEEP_0: cpu-sleep-0 {
+				compatible = "arm,idle-state";
+				arm,psci-suspend-param = <0x0010000>;
+				entry-latency-us = <40>;
+				exit-latency-us = <100>;
+				min-residency-us = <150>;
+			};
+
+			CLUSTER_SLEEP_0: cluster-sleep-0 {
+				compatible = "arm,idle-state";
+				arm,psci-suspend-param = <0x1010000>;
+				entry-latency-us = <500>;
+				exit-latency-us = <1000>;
+				min-residency-us = <2500>;
+			};
+
+			SYS_SLEEP_0: sys-sleep-0 {
+				compatible = "arm,idle-state";
+				arm,psci-suspend-param = <0x2010000>;
+				entry-latency-us = <1000>;
+				exit-latency-us = <2000>;
+				min-residency-us = <4500>;
+			};
 		};
 	};

@@ -137,6 +182,16 @@
 	psci {
 		compatible = "arm,psci-0.2";
 		method = "smc";
+		psci_version = <0x84000000>;
+		cpu_suspend = <0xc4000001>;
+		cpu_off = <0x84000002>;
+		cpu_on = <0xc4000003>;
+		affinity_info = <0xc4000004>;
+		migrate = <0xc4000005>;
+		migrate_info_type = <0x84000006>;
+		migrate_info_up_cpu = <0xc4000007>;
+		system_off = <0x84000008>;
+		system_reset = <0x84000009>;
 	};

 	sound_spdif {
@@ -169,6 +224,29 @@
 			(GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>;
 	};

+	dvfs_table: dvfs_table {
+		compatible = "allwinner,dvfs_table";
+		max_freq = <1200000000>;
+		min_freq = <480000000>;
+		lv_count = <8>;
+		lv1_freq = <1200000000>;
+		lv1_volt = <1300>;
+		lv2_freq = <1008000000>;
+		lv2_volt = <1200>;
+		lv3_freq = <816000000>;
+		lv3_volt = <1100>;
+		lv4_freq = <648000000>;
+		lv4_volt = <1040>;
+		lv5_freq = <0>;
+		lv5_volt = <1040>;
+		lv6_freq = <0>;
+		lv6_volt = <1040>;
+		lv7_freq = <0>;
+		lv7_volt = <1040>;
+		lv8_freq = <0>;
+		lv8_volt = <1040>;
+	};
+
 	soc {
 		compatible = "simple-bus";
 		#address-cells = <1>;