OrangePi 3 LTS: By default downclock to 1608MHz

To run at 1800MHz:
echo "1" > /sys/devices/system/cpu/cpufreq/boost

Signed-off-by: Patrick Yavitz <pyavitz@gmail.com>

Author: pyavitz

patch/kernel/archive/sunxi-6.12/dt/sun50i-h6-orangepi-3-lts.dts

@@ -115,6 +115,28 @@
 	cpu-supply = <&reg_dcdca>;
 };
 
+&cpu_opp_table {
+	opp-1704000000 {
+		clock-latency-ns = <244144>; /* 8 32k periods */
+		opp-hz = /bits/ 64 <1704000000>;
+
+		opp-microvolt-speed0 = <1120000 1120000 1200000>;
+		opp-microvolt-speed1 = <1060000 1060000 1200000>;
+		opp-microvolt-speed2 = <1060000 1060000 1200000>;
+		turbo-mode;
+	};
+
+	opp-1800000000 {
+		clock-latency-ns = <244144>; /* 8 32k periods */
+		opp-hz = /bits/ 64 <1800000000>;
+
+		opp-microvolt-speed0 = <1160000 1160000 1200000>;
+		opp-microvolt-speed1 = <1100000 1100000 1200000>;
+		opp-microvolt-speed2 = <1100000 1100000 1200000>;
+		turbo-mode;
+	};
+};
+
 &de {
 	status = "okay";
 };

patch/kernel/archive/sunxi-6.18/dt_64/sun50i-h6-orangepi-3-lts.dts

@@ -115,6 +115,28 @@
 	cpu-supply = <&reg_dcdca>;
 };
 
+&cpu_opp_table {
+	opp-1704000000 {
+		clock-latency-ns = <244144>; /* 8 32k periods */
+		opp-hz = /bits/ 64 <1704000000>;
+
+		opp-microvolt-speed0 = <1120000 1120000 1200000>;
+		opp-microvolt-speed1 = <1060000 1060000 1200000>;
+		opp-microvolt-speed2 = <1060000 1060000 1200000>;
+		turbo-mode;
+	};
+
+	opp-1800000000 {
+		clock-latency-ns = <244144>; /* 8 32k periods */
+		opp-hz = /bits/ 64 <1800000000>;
+
+		opp-microvolt-speed0 = <1160000 1160000 1200000>;
+		opp-microvolt-speed1 = <1100000 1100000 1200000>;
+		opp-microvolt-speed2 = <1100000 1100000 1200000>;
+		turbo-mode;
+	};
+};
+
 &de {
 	status = "okay";
 };