Commit 9260918d authored by James Liao's avatar James Liao Committed by Matthias Brugger
Browse files

arm64: dts: mt8192: Add cpu-idle-states 



Add idle states for cpu-off and cluster-off.

Signed-off-by: default avatarJames Liao <jamesjj.liao@mediatek.com>
Link: https://lore.kernel.org/r/20201222045820.26355-1-jamesjj.liao@mediatek.com


Signed-off-by: default avatarMatthias Brugger <matthias.bgg@gmail.com>
parent 9e1b7d00

arch/arm64/boot/dts/mediatek/mt8192.dtsi

+44 −0
Original line number Diff line number Diff line
@@ -39,6 +39,7 @@ cpu0: cpu@0 { 
			reg = <0x000>;

			enable-method = "psci";

			clock-frequency = <1701000000>;

			cpu-idle-states = <&cpuoff_l &clusteroff_l>;

			next-level-cache = <&l2_0>;

			capacity-dmips-mhz = <530>;

		};
@@ -49,6 +50,7 @@ cpu1: cpu@100 { 
			reg = <0x100>;

			enable-method = "psci";

			clock-frequency = <1701000000>;

			cpu-idle-states = <&cpuoff_l &clusteroff_l>;

			next-level-cache = <&l2_0>;

			capacity-dmips-mhz = <530>;

		};
@@ -59,6 +61,7 @@ cpu2: cpu@200 { 
			reg = <0x200>;

			enable-method = "psci";

			clock-frequency = <1701000000>;

			cpu-idle-states = <&cpuoff_l &clusteroff_l>;

			next-level-cache = <&l2_0>;

			capacity-dmips-mhz = <530>;

		};
@@ -69,6 +72,7 @@ cpu3: cpu@300 { 
			reg = <0x300>;

			enable-method = "psci";

			clock-frequency = <1701000000>;

			cpu-idle-states = <&cpuoff_l &clusteroff_l>;

			next-level-cache = <&l2_0>;

			capacity-dmips-mhz = <530>;

		};
@@ -79,6 +83,7 @@ cpu4: cpu@400 { 
			reg = <0x400>;

			enable-method = "psci";

			clock-frequency = <2171000000>;

			cpu-idle-states = <&cpuoff_b &clusteroff_b>;

			next-level-cache = <&l2_1>;

			capacity-dmips-mhz = <1024>;

		};
@@ -89,6 +94,7 @@ cpu5: cpu@500 { 
			reg = <0x500>;

			enable-method = "psci";

			clock-frequency = <2171000000>;

			cpu-idle-states = <&cpuoff_b &clusteroff_b>;

			next-level-cache = <&l2_1>;

			capacity-dmips-mhz = <1024>;

		};
@@ -99,6 +105,7 @@ cpu6: cpu@600 { 
			reg = <0x600>;

			enable-method = "psci";

			clock-frequency = <2171000000>;

			cpu-idle-states = <&cpuoff_b &clusteroff_b>;

			next-level-cache = <&l2_1>;

			capacity-dmips-mhz = <1024>;

		};
@@ -109,6 +116,7 @@ cpu7: cpu@700 { 
			reg = <0x700>;

			enable-method = "psci";

			clock-frequency = <2171000000>;

			cpu-idle-states = <&cpuoff_b &clusteroff_b>;

			next-level-cache = <&l2_1>;

			capacity-dmips-mhz = <1024>;

		};
@@ -158,6 +166,42 @@ l2_1: l2-cache1 { 
		l3_0: l3-cache {

			compatible = "cache";

		};



		idle-states {

			entry-method = "arm,psci";

			cpuoff_l: cpuoff_l {

				compatible = "arm,idle-state";

				arm,psci-suspend-param = <0x00010001>;

				local-timer-stop;

				entry-latency-us = <55>;

				exit-latency-us = <140>;

				min-residency-us = <780>;

			};

			cpuoff_b: cpuoff_b {

				compatible = "arm,idle-state";

				arm,psci-suspend-param = <0x00010001>;

				local-timer-stop;

				entry-latency-us = <35>;

				exit-latency-us = <145>;

				min-residency-us = <720>;

			};

			clusteroff_l: clusteroff_l {

				compatible = "arm,idle-state";

				arm,psci-suspend-param = <0x01010002>;

				local-timer-stop;

				entry-latency-us = <60>;

				exit-latency-us = <155>;

				min-residency-us = <860>;

			};

			clusteroff_b: clusteroff_b {

				compatible = "arm,idle-state";

				arm,psci-suspend-param = <0x01010002>;

				local-timer-stop;

				entry-latency-us = <40>;

				exit-latency-us = <155>;

				min-residency-us = <780>;

			};

		};

	};



	pmu-a55 {