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| author | Konrad Dybcio <konrad.dybcio@linaro.org> | 2023-06-07 02:04:19 +0300 |
|---|---|---|
| committer | Bjorn Andersson <andersson@kernel.org> | 2023-06-14 01:57:53 +0300 |
| commit | 4acf7eceed31c56cf4baf11d43ee91255685f89a (patch) | |
| tree | 7e9b2d782d772375254886391981b7dda363d32e | |
| parent | abc49a7c6035c57ece0642811f70a7a3892badb6 (diff) | |
| download | linux-4acf7eceed31c56cf4baf11d43ee91255685f89a.tar.xz | |
arm64: dts: qcom: qcm2290: Add CPU idle states
Add the (scarce) idle states for the individual CPUs, as well as the
whole cluster. This enables deeper-than-WFI cpuidle
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Reviewed-by: Stephan Gerhold <stephan@gerhold.net>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230606-topic-qcm2290_idlestates-v2-1-580a5a2d28c9@linaro.org
| -rw-r--r-- | arch/arm64/boot/dts/qcom/qcm2290.dtsi | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/qcom/qcm2290.dtsi b/arch/arm64/boot/dts/qcom/qcm2290.dtsi index ae5abc76bcc7..82de2f8a6180 100644 --- a/arch/arm64/boot/dts/qcom/qcm2290.dtsi +++ b/arch/arm64/boot/dts/qcom/qcm2290.dtsi @@ -48,6 +48,8 @@ enable-method = "psci"; next-level-cache = <&L2_0>; qcom,freq-domain = <&cpufreq_hw 0>; + power-domains = <&CPU_PD0>; + power-domain-names = "psci"; L2_0: l2-cache { compatible = "cache"; cache-level = <2>; @@ -64,6 +66,8 @@ enable-method = "psci"; next-level-cache = <&L2_0>; qcom,freq-domain = <&cpufreq_hw 0>; + power-domains = <&CPU_PD1>; + power-domain-names = "psci"; }; CPU2: cpu@2 { @@ -76,6 +80,8 @@ enable-method = "psci"; next-level-cache = <&L2_0>; qcom,freq-domain = <&cpufreq_hw 0>; + power-domains = <&CPU_PD2>; + power-domain-names = "psci"; }; CPU3: cpu@3 { @@ -88,6 +94,8 @@ enable-method = "psci"; next-level-cache = <&L2_0>; qcom,freq-domain = <&cpufreq_hw 0>; + power-domains = <&CPU_PD3>; + power-domain-names = "psci"; }; cpu-map { @@ -109,6 +117,30 @@ }; }; }; + + domain-idle-states { + CLUSTER_SLEEP: cluster-sleep-0 { + compatible = "domain-idle-state"; + arm,psci-suspend-param = <0x41000043>; + entry-latency-us = <800>; + exit-latency-us = <2118>; + min-residency-us = <7376>; + }; + }; + + idle-states { + entry-method = "psci"; + + CPU_SLEEP: cpu-sleep-0 { + compatible = "arm,idle-state"; + idle-state-name = "power-collapse"; + arm,psci-suspend-param = <0x40000003>; + entry-latency-us = <290>; + exit-latency-us = <376>; + min-residency-us = <1182>; + local-timer-stop; + }; + }; }; firmware { @@ -134,6 +166,35 @@ psci { compatible = "arm,psci-1.0"; method = "smc"; + + CPU_PD0: power-domain-cpu0 { + #power-domain-cells = <0>; + power-domains = <&CLUSTER_PD>; + domain-idle-states = <&CPU_SLEEP>; + }; + + CPU_PD1: power-domain-cpu1 { + #power-domain-cells = <0>; + power-domains = <&CLUSTER_PD>; + domain-idle-states = <&CPU_SLEEP>; + }; + + CPU_PD2: power-domain-cpu2 { + #power-domain-cells = <0>; + power-domains = <&CLUSTER_PD>; + domain-idle-states = <&CPU_SLEEP>; + }; + + CPU_PD3: power-domain-cpu3 { + #power-domain-cells = <0>; + power-domains = <&CLUSTER_PD>; + domain-idle-states = <&CPU_SLEEP>; + }; + + CLUSTER_PD: power-domain-cpu-cluster { + #power-domain-cells = <0>; + domain-idle-states = <&CLUSTER_SLEEP>; + }; }; reserved_memory: reserved-memory { |