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Commit 9bbd0836 authored by Raju P.L.S.S.S.N's avatar Raju P.L.S.S.S.N Committed by Andy Gross
Browse files

arm64: dts: qcom: sdm845: Add PSCI cpuidle low power states 



Add device bindings for cpuidle states for cpu devices.

Cc: <mkshah@codeaurora.org>
Acked-by: default avatarDaniel Lezcano <daniel.lezcano@linaro.org>
Reviewed-by: default avatarEvan Green <evgreen@chromium.org>
Signed-off-by: default avatarRaju P.L.S.S.S.N <rplsssn@codeaurora.org>
[amit: rename the idle-states to more generic names and fixups]
Signed-off-by: default avatarAmit Kucheria <amit.kucheria@linaro.org>
Signed-off-by: default avatarBjorn Andersson <bjorn.andersson@linaro.org>

Signed-off-by: default avatarAndy Gross <agross@kernel.org>
parent 2aefca80

arch/arm64/boot/dts/qcom/sdm845.dtsi

+78 −0
Original line number Diff line number Diff line
@@ -190,6 +190,9 @@ 
			compatible = "qcom,kryo385";

			reg = <0x0 0x0>;

			enable-method = "psci";

			cpu-idle-states = <&LITTLE_CPU_SLEEP_0

					   &LITTLE_CPU_SLEEP_1

					   &CLUSTER_SLEEP_0>;

			capacity-dmips-mhz = <607>;

			qcom,freq-domain = <&cpufreq_hw 0>;

			#cooling-cells = <2>;
@@ -208,6 +211,9 @@ 
			compatible = "qcom,kryo385";

			reg = <0x0 0x100>;

			enable-method = "psci";

			cpu-idle-states = <&LITTLE_CPU_SLEEP_0

					   &LITTLE_CPU_SLEEP_1

					   &CLUSTER_SLEEP_0>;

			capacity-dmips-mhz = <607>;

			qcom,freq-domain = <&cpufreq_hw 0>;

			#cooling-cells = <2>;
@@ -223,6 +229,9 @@ 
			compatible = "qcom,kryo385";

			reg = <0x0 0x200>;

			enable-method = "psci";

			cpu-idle-states = <&LITTLE_CPU_SLEEP_0

					   &LITTLE_CPU_SLEEP_1

					   &CLUSTER_SLEEP_0>;

			capacity-dmips-mhz = <607>;

			qcom,freq-domain = <&cpufreq_hw 0>;

			#cooling-cells = <2>;
@@ -238,6 +247,9 @@ 
			compatible = "qcom,kryo385";

			reg = <0x0 0x300>;

			enable-method = "psci";

			cpu-idle-states = <&LITTLE_CPU_SLEEP_0

					   &LITTLE_CPU_SLEEP_1

					   &CLUSTER_SLEEP_0>;

			capacity-dmips-mhz = <607>;

			qcom,freq-domain = <&cpufreq_hw 0>;

			#cooling-cells = <2>;
@@ -254,6 +266,9 @@ 
			reg = <0x0 0x400>;

			enable-method = "psci";

			capacity-dmips-mhz = <1024>;

			cpu-idle-states = <&BIG_CPU_SLEEP_0

					   &BIG_CPU_SLEEP_1

					   &CLUSTER_SLEEP_0>;

			qcom,freq-domain = <&cpufreq_hw 1>;

			#cooling-cells = <2>;

			next-level-cache = <&L2_400>;
@@ -269,6 +284,9 @@ 
			reg = <0x0 0x500>;

			enable-method = "psci";

			capacity-dmips-mhz = <1024>;

			cpu-idle-states = <&BIG_CPU_SLEEP_0

					   &BIG_CPU_SLEEP_1

					   &CLUSTER_SLEEP_0>;

			qcom,freq-domain = <&cpufreq_hw 1>;

			#cooling-cells = <2>;

			next-level-cache = <&L2_500>;
@@ -284,6 +302,9 @@ 
			reg = <0x0 0x600>;

			enable-method = "psci";

			capacity-dmips-mhz = <1024>;

			cpu-idle-states = <&BIG_CPU_SLEEP_0

					   &BIG_CPU_SLEEP_1

					   &CLUSTER_SLEEP_0>;

			qcom,freq-domain = <&cpufreq_hw 1>;

			#cooling-cells = <2>;

			next-level-cache = <&L2_600>;
@@ -299,6 +320,9 @@ 
			reg = <0x0 0x700>;

			enable-method = "psci";

			capacity-dmips-mhz = <1024>;

			cpu-idle-states = <&BIG_CPU_SLEEP_0

					   &BIG_CPU_SLEEP_1

					   &CLUSTER_SLEEP_0>;

			qcom,freq-domain = <&cpufreq_hw 1>;

			#cooling-cells = <2>;

			next-level-cache = <&L2_700>;
@@ -343,6 +367,60 @@ 
				};

			};

		};



		idle-states {

			entry-method = "psci";



			LITTLE_CPU_SLEEP_0: cpu-sleep-0-0 {

				compatible = "arm,idle-state";

				idle-state-name = "little-power-down";

				arm,psci-suspend-param = <0x40000003>;

				entry-latency-us = <350>;

				exit-latency-us = <461>;

				min-residency-us = <1890>;

				local-timer-stop;

			};



			LITTLE_CPU_SLEEP_1: cpu-sleep-0-1 {

				compatible = "arm,idle-state";

				idle-state-name = "little-rail-power-down";

				arm,psci-suspend-param = <0x40000004>;

				entry-latency-us = <360>;

				exit-latency-us = <531>;

				min-residency-us = <3934>;

				local-timer-stop;

			};



			BIG_CPU_SLEEP_0: cpu-sleep-1-0 {

				compatible = "arm,idle-state";

				idle-state-name = "big-power-down";

				arm,psci-suspend-param = <0x40000003>;

				entry-latency-us = <264>;

				exit-latency-us = <621>;

				min-residency-us = <952>;

				local-timer-stop;

			};



			BIG_CPU_SLEEP_1: cpu-sleep-1-1 {

				compatible = "arm,idle-state";

				idle-state-name = "big-rail-power-down";

				arm,psci-suspend-param = <0x40000004>;

				entry-latency-us = <702>;

				exit-latency-us = <1061>;

				min-residency-us = <4488>;

				local-timer-stop;

			};



			CLUSTER_SLEEP_0: cluster-sleep-0 {

				compatible = "arm,idle-state";

				idle-state-name = "cluster-power-down";

				arm,psci-suspend-param = <0x400000F4>;

				entry-latency-us = <3263>;

				exit-latency-us = <6562>;

				min-residency-us = <9987>;

				local-timer-stop;

			};

		};

	};



	pmu {