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From: Maulik Shah <mkshah@codeaurora.org>
To: swboyd@chromium.org, mka@chromium.org, evgreen@chromium.org,
	bjorn.andersson@linaro.org
Cc: linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org,
	agross@kernel.org, dianders@chromium.org, rnayak@codeaurora.org,
	ilina@codeaurora.org, lsrao@codeaurora.org,
	Maulik Shah <mkshah@codeaurora.org>,
	devicetree@vger.kernel.orgi
Subject: [PATCH v10 1/3] arm64: dts: qcom: sc7180: Add cpuidle low power states
Date: Tue,  3 Mar 2020 17:56:53 +0530	[thread overview]
Message-ID: <1583238415-18686-2-git-send-email-mkshah@codeaurora.org> (raw)
In-Reply-To: <1583238415-18686-1-git-send-email-mkshah@codeaurora.org>

Add device bindings for cpuidle states for cpu devices.

Cc: devicetree@vger.kernel.orgi
Signed-off-by: Maulik Shah <mkshah@codeaurora.org>
Reviewed-by: Srinivas Rao L <lsrao@codeaurora.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
---
 arch/arm64/boot/dts/qcom/sc7180.dtsi | 78 ++++++++++++++++++++++++++++++++++++
 1 file changed, 78 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sc7180.dtsi b/arch/arm64/boot/dts/qcom/sc7180.dtsi
index 253274d..f5c08ce 100644
--- a/arch/arm64/boot/dts/qcom/sc7180.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc7180.dtsi
@@ -94,6 +94,9 @@
 			compatible = "arm,armv8";
 			reg = <0x0 0x0>;
 			enable-method = "psci";
+			cpu-idle-states = <&LITTLE_CPU_SLEEP_0
+					   &LITTLE_CPU_SLEEP_1
+					   &CLUSTER_SLEEP_0>;
 			capacity-dmips-mhz = <1024>;
 			dynamic-power-coefficient = <100>;
 			next-level-cache = <&L2_0>;
@@ -113,6 +116,9 @@
 			compatible = "arm,armv8";
 			reg = <0x0 0x100>;
 			enable-method = "psci";
+			cpu-idle-states = <&LITTLE_CPU_SLEEP_0
+					   &LITTLE_CPU_SLEEP_1
+					   &CLUSTER_SLEEP_0>;
 			capacity-dmips-mhz = <1024>;
 			dynamic-power-coefficient = <100>;
 			next-level-cache = <&L2_100>;
@@ -129,6 +135,9 @@
 			compatible = "arm,armv8";
 			reg = <0x0 0x200>;
 			enable-method = "psci";
+			cpu-idle-states = <&LITTLE_CPU_SLEEP_0
+					   &LITTLE_CPU_SLEEP_1
+					   &CLUSTER_SLEEP_0>;
 			capacity-dmips-mhz = <1024>;
 			dynamic-power-coefficient = <100>;
 			next-level-cache = <&L2_200>;
@@ -145,6 +154,9 @@
 			compatible = "arm,armv8";
 			reg = <0x0 0x300>;
 			enable-method = "psci";
+			cpu-idle-states = <&LITTLE_CPU_SLEEP_0
+					   &LITTLE_CPU_SLEEP_1
+					   &CLUSTER_SLEEP_0>;
 			capacity-dmips-mhz = <1024>;
 			dynamic-power-coefficient = <100>;
 			next-level-cache = <&L2_300>;
@@ -161,6 +173,9 @@
 			compatible = "arm,armv8";
 			reg = <0x0 0x400>;
 			enable-method = "psci";
+			cpu-idle-states = <&LITTLE_CPU_SLEEP_0
+					   &LITTLE_CPU_SLEEP_1
+					   &CLUSTER_SLEEP_0>;
 			capacity-dmips-mhz = <1024>;
 			dynamic-power-coefficient = <100>;
 			next-level-cache = <&L2_400>;
@@ -177,6 +192,9 @@
 			compatible = "arm,armv8";
 			reg = <0x0 0x500>;
 			enable-method = "psci";
+			cpu-idle-states = <&LITTLE_CPU_SLEEP_0
+					   &LITTLE_CPU_SLEEP_1
+					   &CLUSTER_SLEEP_0>;
 			capacity-dmips-mhz = <1024>;
 			dynamic-power-coefficient = <100>;
 			next-level-cache = <&L2_500>;
@@ -193,6 +211,9 @@
 			compatible = "arm,armv8";
 			reg = <0x0 0x600>;
 			enable-method = "psci";
+			cpu-idle-states = <&BIG_CPU_SLEEP_0
+					   &BIG_CPU_SLEEP_1
+					   &CLUSTER_SLEEP_0>;
 			capacity-dmips-mhz = <1740>;
 			dynamic-power-coefficient = <405>;
 			next-level-cache = <&L2_600>;
@@ -209,6 +230,9 @@
 			compatible = "arm,armv8";
 			reg = <0x0 0x700>;
 			enable-method = "psci";
+			cpu-idle-states = <&BIG_CPU_SLEEP_0
+					   &BIG_CPU_SLEEP_1
+					   &CLUSTER_SLEEP_0>;
 			capacity-dmips-mhz = <1740>;
 			dynamic-power-coefficient = <405>;
 			next-level-cache = <&L2_700>;
@@ -255,6 +279,60 @@
 				};
 			};
 		};
+
+		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 = <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 {
-- 
QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member
of Code Aurora Forum, hosted by The Linux Foundation

  reply	other threads:[~2020-03-03 12:27 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-03 12:26 [PATCH v10 0/3] Invoke rpmh_flush for non OSI targets Maulik Shah
2020-03-03 12:26 ` Maulik Shah [this message]
2020-03-03 12:26 ` [PATCH v10 2/3] soc: qcom: rpmh: Update dirty flag only when data changes Maulik Shah
2020-03-04 23:21   ` Doug Anderson
2020-03-05 11:10     ` Maulik Shah
2020-03-05 22:22       ` Doug Anderson
2020-03-10 11:03         ` Maulik Shah
2020-03-10 15:46           ` Doug Anderson
2020-03-11  5:40             ` Maulik Shah
2020-03-03 12:26 ` [PATCH v10 3/3] soc: qcom: rpmh: Invoke rpmh_flush() for dirty caches Maulik Shah
2020-03-04 23:22   ` Doug Anderson
2020-03-05 11:30     ` Maulik Shah
2020-03-05 22:20       ` Doug Anderson
2020-03-10 11:00         ` Maulik Shah

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