Messages in this thread | | | Subject | Re: [PATCH v6 1/3] arm64: dts: qcom: sc7180: Add cpuidle low power states | From | Srinivas Rao L <> | Date | Mon, 24 Feb 2020 12:11:42 +0530 |
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Reviewed-by: Srinivas Rao L <lsrao@codeaurora.org>
Regards,
Srinivas.
On 2/21/2020 3:02 PM, Maulik Shah wrote: > Add device bindings for cpuidle states for cpu devices. > > Cc: devicetree@vger.kernel.org > Signed-off-by: Maulik Shah <mkshah@codeaurora.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 cc5a94f..2941a7e 100644 > --- a/arch/arm64/boot/dts/qcom/sc7180.dtsi > +++ b/arch/arm64/boot/dts/qcom/sc7180.dtsi > @@ -86,6 +86,9 @@ > compatible = "arm,armv8"; > 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>; > #cooling-cells = <2>; > qcom,freq-domain = <&cpufreq_hw 0>; > @@ -103,6 +106,9 @@ > compatible = "arm,armv8"; > 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>; > #cooling-cells = <2>; > qcom,freq-domain = <&cpufreq_hw 0>; > @@ -117,6 +123,9 @@ > compatible = "arm,armv8"; > 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>; > #cooling-cells = <2>; > qcom,freq-domain = <&cpufreq_hw 0>; > @@ -131,6 +140,9 @@ > compatible = "arm,armv8"; > 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>; > #cooling-cells = <2>; > qcom,freq-domain = <&cpufreq_hw 0>; > @@ -145,6 +157,9 @@ > compatible = "arm,armv8"; > reg = <0x0 0x400>; > enable-method = "psci"; > + cpu-idle-states = <&LITTLE_CPU_SLEEP_0 > + &LITTLE_CPU_SLEEP_1 > + &CLUSTER_SLEEP_0>; > next-level-cache = <&L2_400>; > #cooling-cells = <2>; > qcom,freq-domain = <&cpufreq_hw 0>; > @@ -159,6 +174,9 @@ > compatible = "arm,armv8"; > reg = <0x0 0x500>; > enable-method = "psci"; > + cpu-idle-states = <&LITTLE_CPU_SLEEP_0 > + &LITTLE_CPU_SLEEP_1 > + &CLUSTER_SLEEP_0>; > next-level-cache = <&L2_500>; > #cooling-cells = <2>; > qcom,freq-domain = <&cpufreq_hw 0>; > @@ -173,6 +191,9 @@ > compatible = "arm,armv8"; > 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>; > #cooling-cells = <2>; > qcom,freq-domain = <&cpufreq_hw 1>; > @@ -187,6 +208,9 @@ > compatible = "arm,armv8"; > 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>; > #cooling-cells = <2>; > qcom,freq-domain = <&cpufreq_hw 1>; > @@ -195,6 +219,60 @@ > 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 {
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