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Commit ad4df7a5 authored by Howard Chen's avatar Howard Chen Committed by Matthias Brugger
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ARM: dts: mt8173: support arm64 cpuidle-dt 



This patch adds an idle-states node to describe the mt8173 idle states and
also adds references to the idle-states node in all CPU nodes.

Signed-off-by: default avatarHoward Chen <howard.chen@linaro.org>
Acked-by: default avatarLorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Acked-by: default avatarDaniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: default avatarMatthias Brugger <matthias.bgg@gmail.com>
parent c010ff53

arch/arm64/boot/dts/mediatek/mt8173.dtsi

+18 −0
Original line number Diff line number Diff line
@@ -51,6 +51,8 @@ 
			device_type = "cpu";

			compatible = "arm,cortex-a53";

			reg = <0x000>;

			enable-method = "psci";

			cpu-idle-states = <&CPU_SLEEP_0>;

		};



		cpu1: cpu@1 {
@@ -58,6 +60,7 @@ 
			compatible = "arm,cortex-a53";

			reg = <0x001>;

			enable-method = "psci";

			cpu-idle-states = <&CPU_SLEEP_0>;

		};



		cpu2: cpu@100 {
@@ -65,6 +68,7 @@ 
			compatible = "arm,cortex-a57";

			reg = <0x100>;

			enable-method = "psci";

			cpu-idle-states = <&CPU_SLEEP_0>;

		};



		cpu3: cpu@101 {
@@ -72,6 +76,20 @@ 
			compatible = "arm,cortex-a57";

			reg = <0x101>;

			enable-method = "psci";

			cpu-idle-states = <&CPU_SLEEP_0>;

		};



		idle-states {

			entry-method = "arm,psci";



			CPU_SLEEP_0: cpu-sleep-0 {

				compatible = "arm,idle-state";

				local-timer-stop;

				entry-latency-us = <639>;

				exit-latency-us = <680>;

				min-residency-us = <1088>;

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

			};

		};

	};