Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit f5a3d783 authored by James Liao's avatar James Liao Committed by Matthias Brugger
Browse files

arm64: dts: mediatek: Add cpuidle support for MT2712 



Add CPU idle state nodes to enable C1/C2 idle states.

Signed-off-by: default avatarJames Liao <jamesjj.liao@mediatek.com>
Signed-off-by: default avatarMatthias Brugger <matthias.bgg@gmail.com>
parent 2bd6bf03

arch/arm64/boot/dts/mediatek/mt2712e.dtsi

+25 −0
Original line number Diff line number Diff line
@@ -39,6 +39,7 @@ 
			device_type = "cpu";

			compatible = "arm,cortex-a35";

			reg = <0x000>;

			cpu-idle-states = <&CPU_SLEEP_0 &CLUSTER_SLEEP_0>;

		};



		cpu1: cpu@1 {
@@ -46,6 +47,7 @@ 
			compatible = "arm,cortex-a35";

			reg = <0x001>;

			enable-method = "psci";

			cpu-idle-states = <&CPU_SLEEP_0 &CLUSTER_SLEEP_0>;

		};



		cpu2: cpu@200 {
@@ -53,6 +55,29 @@ 
			compatible = "arm,cortex-a72";

			reg = <0x200>;

			enable-method = "psci";

			cpu-idle-states = <&CPU_SLEEP_0 &CLUSTER_SLEEP_0>;

		};



		idle-states {

			entry-method = "arm,psci";



			CPU_SLEEP_0: cpu-sleep-0 {

				compatible = "arm,idle-state";

				local-timer-stop;

				entry-latency-us = <100>;

				exit-latency-us = <80>;

				min-residency-us = <2000>;

				arm,psci-suspend-param = <0x0010000>;

			};



			CLUSTER_SLEEP_0: cluster-sleep-0 {

				compatible = "arm,idle-state";

				local-timer-stop;

				entry-latency-us = <350>;

				exit-latency-us = <80>;

				min-residency-us = <3000>;

				arm,psci-suspend-param = <0x1010000>;

			};

		};

	};