From: Maulik Shah <mkshah@codeaurora.org>
To: swboyd@chromium.org, evgreen@chromium.org, dianders@chromium.org,
bjorn.andersson@linaro.org
Cc: linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org,
agross@kernel.org, mka@chromium.org, rnayak@codeaurora.org,
ilina@codeaurora.org, lsrao@codeaurora.org,
Maulik Shah <mkshah@codeaurora.org>,
devicetree@vger.kernel.orgi
Subject: [PATCH v17 1/6] arm64: dts: qcom: sc7180: Add cpuidle low power states
Date: Sun, 12 Apr 2020 20:19:59 +0530 [thread overview]
Message-ID: <1586703004-13674-2-git-send-email-mkshah@codeaurora.org> (raw)
In-Reply-To: <1586703004-13674-1-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 998f101..26719cd 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
next prev parent reply other threads:[~2020-04-12 14:50 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-12 14:49 [PATCH v17 0/6] Invoke rpmh_flush for non OSI targets Maulik Shah
2020-04-12 14:49 ` Maulik Shah [this message]
2020-04-12 14:50 ` [PATCH v17 2/6] soc: qcom: rpmh: Update dirty flag only when data changes Maulik Shah
2020-04-13 21:17 ` Stephen Boyd
2020-04-16 23:58 ` Stephen Boyd
2020-04-17 21:16 ` Doug Anderson
2020-04-12 14:50 ` [PATCH v17 3/6] soc: qcom: rpmh: Invalidate SLEEP and WAKE TCSes before flushing new data Maulik Shah
2020-04-13 21:17 ` Stephen Boyd
2020-04-12 14:50 ` [PATCH v17 4/6] soc: qcom: rpmh: Invoke rpmh_flush() for dirty caches Maulik Shah
2020-04-13 16:17 ` Doug Anderson
2020-04-13 21:18 ` Stephen Boyd
2020-04-12 14:50 ` [PATCH v17 5/6] soc: qcom: rpmh-rsc: Clear active mode configuration for wake TCS Maulik Shah
2020-04-12 14:50 ` [PATCH v17 6/6] soc: qcom: rpmh-rsc: Allow using free WAKE TCS for active request Maulik Shah
2020-04-13 21:19 ` Stephen Boyd
2020-04-14 5:34 ` [PATCH v17 0/6] Invoke rpmh_flush for non OSI targets Bjorn Andersson
2020-04-14 9:19 ` Maulik Shah
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