From: Amit Kucheria <amit.kucheria@linaro.org>
To: linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org,
bjorn.andersson@linaro.org, agross@kernel.org,
niklas.cassel@linaro.org, marc.w.gonzalez@free.fr,
sibis@codeaurora.org, daniel.lezcano@linaro.org,
Andy Gross <andy.gross@linaro.org>,
David Brown <david.brown@linaro.org>,
Li Yang <leoyang.li@nxp.com>, Shawn Guo <shawnguo@kernel.org>
Cc: devicetree@vger.kernel.org
Subject: [PATCH v2 7/9] arm64: dts: qcom: msm8998: Add PSCI cpuidle low power states
Date: Tue, 21 May 2019 15:05:17 +0530 [thread overview]
Message-ID: <49cf5d94beb9af9ef4e78d4c52f3b0ad20b7c63f.1558430617.git.amit.kucheria@linaro.org> (raw)
In-Reply-To: <cover.1558430617.git.amit.kucheria@linaro.org>
In-Reply-To: <cover.1558430617.git.amit.kucheria@linaro.org>
Add device bindings for cpuidle states for cpu devices.
Cc: Marc Gonzalez <marc.w.gonzalez@free.fr>
Signed-off-by: Amit Kucheria <amit.kucheria@linaro.org>
Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>
---
arch/arm64/boot/dts/qcom/msm8998.dtsi | 50 +++++++++++++++++++++++++++
1 file changed, 50 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/msm8998.dtsi b/arch/arm64/boot/dts/qcom/msm8998.dtsi
index 3fd0769fe648..54810980fcf9 100644
--- a/arch/arm64/boot/dts/qcom/msm8998.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8998.dtsi
@@ -78,6 +78,7 @@
compatible = "arm,armv8";
reg = <0x0 0x0>;
enable-method = "psci";
+ cpu-idle-states = <&LITTLE_CPU_SLEEP_0 &LITTLE_CPU_SLEEP_1>;
efficiency = <1024>;
next-level-cache = <&L2_0>;
L2_0: l2-cache {
@@ -97,6 +98,7 @@
compatible = "arm,armv8";
reg = <0x0 0x1>;
enable-method = "psci";
+ cpu-idle-states = <&LITTLE_CPU_SLEEP_0 &LITTLE_CPU_SLEEP_1>;
efficiency = <1024>;
next-level-cache = <&L2_0>;
L1_I_1: l1-icache {
@@ -112,6 +114,7 @@
compatible = "arm,armv8";
reg = <0x0 0x2>;
enable-method = "psci";
+ cpu-idle-states = <&LITTLE_CPU_SLEEP_0 &LITTLE_CPU_SLEEP_1>;
efficiency = <1024>;
next-level-cache = <&L2_0>;
L1_I_2: l1-icache {
@@ -127,6 +130,7 @@
compatible = "arm,armv8";
reg = <0x0 0x3>;
enable-method = "psci";
+ cpu-idle-states = <&LITTLE_CPU_SLEEP_0 &LITTLE_CPU_SLEEP_1>;
efficiency = <1024>;
next-level-cache = <&L2_0>;
L1_I_3: l1-icache {
@@ -142,6 +146,7 @@
compatible = "arm,armv8";
reg = <0x0 0x100>;
enable-method = "psci";
+ cpu-idle-states = <&BIG_CPU_SLEEP_0 &BIG_CPU_SLEEP_1>;
efficiency = <1536>;
next-level-cache = <&L2_1>;
L2_1: l2-cache {
@@ -161,6 +166,7 @@
compatible = "arm,armv8";
reg = <0x0 0x101>;
enable-method = "psci";
+ cpu-idle-states = <&BIG_CPU_SLEEP_0 &BIG_CPU_SLEEP_1>;
efficiency = <1536>;
next-level-cache = <&L2_1>;
L1_I_101: l1-icache {
@@ -176,6 +182,7 @@
compatible = "arm,armv8";
reg = <0x0 0x102>;
enable-method = "psci";
+ cpu-idle-states = <&BIG_CPU_SLEEP_0 &BIG_CPU_SLEEP_1>;
efficiency = <1536>;
next-level-cache = <&L2_1>;
L1_I_102: l1-icache {
@@ -191,6 +198,7 @@
compatible = "arm,armv8";
reg = <0x0 0x103>;
enable-method = "psci";
+ cpu-idle-states = <&BIG_CPU_SLEEP_0 &BIG_CPU_SLEEP_1>;
efficiency = <1536>;
next-level-cache = <&L2_1>;
L1_I_103: l1-icache {
@@ -238,6 +246,48 @@
};
};
};
+
+ idle-states {
+ entry-method = "psci";
+
+ LITTLE_CPU_SLEEP_0: cpu-sleep-0-0 {
+ compatible = "arm,idle-state";
+ idle-state-name = "little-retention";
+ arm,psci-suspend-param = <0x00000002>;
+ entry-latency-us = <43>;
+ exit-latency-us = <86>;
+ min-residency-us = <200>;
+ };
+
+ LITTLE_CPU_SLEEP_1: cpu-sleep-0-1 {
+ compatible = "arm,idle-state";
+ idle-state-name = "little-power-collapse";
+ arm,psci-suspend-param = <0x00000003>;
+ entry-latency-us = <100>;
+ exit-latency-us = <612>;
+ min-residency-us = <1000>;
+ local-timer-stop;
+ };
+
+ BIG_CPU_SLEEP_0: cpu-sleep-1-0 {
+ compatible = "arm,idle-state";
+ idle-state-name = "big-retention";
+ arm,psci-suspend-param = <0x00000002>;
+ entry-latency-us = <41>;
+ exit-latency-us = <82>;
+ min-residency-us = <200>;
+ };
+
+ BIG_CPU_SLEEP_1: cpu-sleep-1-1 {
+ compatible = "arm,idle-state";
+ idle-state-name = "big-power-collapse";
+ arm,psci-suspend-param = <0x00000003>;
+ entry-latency-us = <100>;
+ exit-latency-us = <525>;
+ min-residency-us = <1000>;
+ local-timer-stop;
+ };
+ };
};
firmware {
--
2.17.1
next prev parent reply other threads:[~2019-05-21 9:36 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-21 9:35 [PATCH v2 0/9] qcom: Add cpuidle to some platforms Amit Kucheria
2019-05-21 9:35 ` [PATCH v2 1/9] arm64: dts: fsl: ls1028a: Fix entry-method property to reflect documentation Amit Kucheria
2019-05-21 9:35 ` [PATCH v2 2/9] Documentation: arm: Link idle-states binding to "enable-method" property Amit Kucheria
2019-05-21 10:34 ` Marc Gonzalez
2019-06-13 23:13 ` Rob Herring
2019-05-21 9:35 ` [PATCH v2 3/9] arm64: dts: qcom: msm8916: Add entry-method property for the idle-states node Amit Kucheria
2019-05-22 3:30 ` Bjorn Andersson
2019-05-21 9:35 ` [PATCH v2 4/9] arm64: dts: qcom: msm8916: Use more generic idle state names Amit Kucheria
2019-05-22 3:30 ` Bjorn Andersson
2019-05-21 9:35 ` [PATCH v2 5/9] arm64: dts: qcom: qcs404: Add PSCI cpuidle low power states Amit Kucheria
2019-05-22 3:31 ` Bjorn Andersson
2019-05-21 9:35 ` [PATCH v2 6/9] arm64: dts: qcom: msm8996: " Amit Kucheria
2019-05-21 10:13 ` Daniel Lezcano
2019-05-22 3:49 ` Bjorn Andersson
2019-05-23 21:24 ` Niklas Cassel
2019-05-21 9:35 ` Amit Kucheria [this message]
2019-05-21 12:03 ` [PATCH v2 7/9] arm64: dts: qcom: msm8998: " Marc Gonzalez
2019-05-21 16:10 ` Marc Gonzalez
2019-05-22 9:17 ` Marc Gonzalez
2019-05-22 9:35 ` Marc Zyngier
2019-05-22 15:39 ` Marc Gonzalez
2019-05-22 14:48 ` Marc Gonzalez
2019-09-30 22:20 ` Jeffrey Hugo
2019-09-30 22:44 ` Amit Kucheria
2019-10-01 14:21 ` Jeffrey Hugo
2019-10-02 9:19 ` Niklas Cassel
2019-10-02 9:27 ` Niklas Cassel
2019-10-02 18:18 ` Jeffrey Hugo
2019-10-04 1:36 ` Amit Kucheria
2019-10-04 3:14 ` Jeffrey Hugo
2019-05-21 9:35 ` [PATCH v2 8/9] arm64: dts: qcom: sdm845: " Amit Kucheria
2019-05-22 3:59 ` Bjorn Andersson
2019-05-21 9:35 ` [PATCH v2 9/9] arm64: dts: msm8996: Add proper capacity scaling for the cpus Amit Kucheria
2019-05-21 10:14 ` Daniel Lezcano
2019-05-22 3:50 ` Bjorn Andersson
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