lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Tue, 21 May 2019 15:05:17 +0530 From: Amit Kucheria <amit.kucheria@...aro.org> To: linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org, bjorn.andersson@...aro.org, agross@...nel.org, niklas.cassel@...aro.org, marc.w.gonzalez@...e.fr, sibis@...eaurora.org, daniel.lezcano@...aro.org, Andy Gross <andy.gross@...aro.org>, David Brown <david.brown@...aro.org>, Li Yang <leoyang.li@....com>, Shawn Guo <shawnguo@...nel.org> Cc: devicetree@...r.kernel.org Subject: [PATCH v2 7/9] arm64: dts: qcom: msm8998: Add PSCI cpuidle low power states Add device bindings for cpuidle states for cpu devices. Cc: Marc Gonzalez <marc.w.gonzalez@...e.fr> Signed-off-by: Amit Kucheria <amit.kucheria@...aro.org> Acked-by: Daniel Lezcano <daniel.lezcano@...aro.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
Powered by blists - more mailing lists