Commit 0ef5463c authored by Maulik Shah's avatar Maulik Shah Committed by Bjorn Andersson
Browse files

arm64: dts: qcom: sc7280: Add cpuidle states 



Add cpuidle states for little and big cpus.
The latency values are preliminary placeholders and will be updated
once testing provides the real numbers.

Signed-off-by: default avatarMaulik Shah <mkshah@codeaurora.org>
Signed-off-by: default avatarRajendra Nayak <rnayak@codeaurora.org>
Reviewed-by: default avatarStephen Boyd <swboyd@chromium.org>
Link: https://lore.kernel.org/r/1615461961-17716-14-git-send-email-rnayak@codeaurora.org


Signed-off-by: default avatarBjorn Andersson <bjorn.andersson@linaro.org>
parent 14abf8df

arch/arm64/boot/dts/qcom/sc7280.dtsi

+78 −0
Original line number Diff line number Diff line
@@ -63,6 +63,9 @@ CPU0: cpu@0 { 
			compatible = "arm,kryo";

			reg = <0x0 0x0>;

			enable-method = "psci";

			cpu-idle-states = <&LITTLE_CPU_SLEEP_0

					   &LITTLE_CPU_SLEEP_1

					   &CLUSTER_SLEEP_0>;

			next-level-cache = <&L2_0>;

			L2_0: l2-cache {

				compatible = "cache";
@@ -78,6 +81,9 @@ CPU1: cpu@100 { 
			compatible = "arm,kryo";

			reg = <0x0 0x100>;

			enable-method = "psci";

			cpu-idle-states = <&LITTLE_CPU_SLEEP_0

					   &LITTLE_CPU_SLEEP_1

					   &CLUSTER_SLEEP_0>;

			next-level-cache = <&L2_100>;

			L2_100: l2-cache {

				compatible = "cache";
@@ -90,6 +96,9 @@ CPU2: cpu@200 { 
			compatible = "arm,kryo";

			reg = <0x0 0x200>;

			enable-method = "psci";

			cpu-idle-states = <&LITTLE_CPU_SLEEP_0

					   &LITTLE_CPU_SLEEP_1

					   &CLUSTER_SLEEP_0>;

			next-level-cache = <&L2_200>;

			L2_200: l2-cache {

				compatible = "cache";
@@ -102,6 +111,9 @@ CPU3: cpu@300 { 
			compatible = "arm,kryo";

			reg = <0x0 0x300>;

			enable-method = "psci";

			cpu-idle-states = <&LITTLE_CPU_SLEEP_0

					   &LITTLE_CPU_SLEEP_1

					   &CLUSTER_SLEEP_0>;

			next-level-cache = <&L2_300>;

			L2_300: l2-cache {

				compatible = "cache";
@@ -114,6 +126,9 @@ CPU4: cpu@400 { 
			compatible = "arm,kryo";

			reg = <0x0 0x400>;

			enable-method = "psci";

			cpu-idle-states = <&BIG_CPU_SLEEP_0

					   &BIG_CPU_SLEEP_1

					   &CLUSTER_SLEEP_0>;

			next-level-cache = <&L2_400>;

			L2_400: l2-cache {

				compatible = "cache";
@@ -126,6 +141,9 @@ CPU5: cpu@500 { 
			compatible = "arm,kryo";

			reg = <0x0 0x500>;

			enable-method = "psci";

			cpu-idle-states = <&BIG_CPU_SLEEP_0

					   &BIG_CPU_SLEEP_1

					   &CLUSTER_SLEEP_0>;

			next-level-cache = <&L2_500>;

			L2_500: l2-cache {

				compatible = "cache";
@@ -138,6 +156,9 @@ CPU6: cpu@600 { 
			compatible = "arm,kryo";

			reg = <0x0 0x600>;

			enable-method = "psci";

			cpu-idle-states = <&BIG_CPU_SLEEP_0

					   &BIG_CPU_SLEEP_1

					   &CLUSTER_SLEEP_0>;

			next-level-cache = <&L2_600>;

			L2_600: l2-cache {

				compatible = "cache";
@@ -150,12 +171,69 @@ CPU7: cpu@700 { 
			compatible = "arm,kryo";

			reg = <0x0 0x700>;

			enable-method = "psci";

			cpu-idle-states = <&BIG_CPU_SLEEP_0

					   &BIG_CPU_SLEEP_1

					   &CLUSTER_SLEEP_0>;

			next-level-cache = <&L2_700>;

			L2_700: l2-cache {

				compatible = "cache";

				next-level-cache = <&L3_0>;

			};

		};



		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 = <549>;

				exit-latency-us = <901>;

				min-residency-us = <1774>;

				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 = <702>;

				exit-latency-us = <915>;

				min-residency-us = <4001>;

				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 = <523>;

				exit-latency-us = <1244>;

				min-residency-us = <2207>;

				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 = <526>;

				exit-latency-us = <1854>;

				min-residency-us = <5555>;

				local-timer-stop;

			};



			CLUSTER_SLEEP_0: cluster-sleep-0 {

				compatible = "arm,idle-state";

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

				arm,psci-suspend-param = <0x40003444>;

				entry-latency-us = <3263>;

				exit-latency-us = <6562>;

				min-residency-us = <9926>;

				local-timer-stop;

			};

		};

	};



	memory@80000000 {