diff options
| author | Amit Kucheria <amit.kucheria@linaro.org> | 2019-05-21 15:05:16 +0530 |
|---|---|---|
| committer | Andy Gross <agross@kernel.org> | 2019-05-29 21:37:32 -0500 |
| commit | f6aee7af59b62a6f8a75ef57825556d14aee9b67 (patch) | |
| tree | 68e501958416fc028f5a78337c83d46e186d1bf8 /arch/arm64/boot/dts/qcom/msm8996.dtsi | |
| parent | 4c9e5dfb45e840f74e295242cdd12f7c33a6dd7f (diff) | |
arm64: dts: qcom: msm8996: Add PSCI cpuidle low power states
Add device bindings for cpuidle states for cpu devices.
msm8996 features 4 cpus - 2 in each cluster. However, all cpus implement
the same microarchitecture and the two clusters only differ in the
maximum frequency attainable by the CPUs.
Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Amit Kucheria <amit.kucheria@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <agross@kernel.org>
Diffstat (limited to 'arch/arm64/boot/dts/qcom/msm8996.dtsi')
| -rw-r--r-- | arch/arm64/boot/dts/qcom/msm8996.dtsi | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/qcom/msm8996.dtsi b/arch/arm64/boot/dts/qcom/msm8996.dtsi index 0f234bef90ee..778c7f0a2429 100644 --- a/arch/arm64/boot/dts/qcom/msm8996.dtsi +++ b/arch/arm64/boot/dts/qcom/msm8996.dtsi @@ -102,6 +102,7 @@ compatible = "qcom,kryo"; reg = <0x0 0x0>; enable-method = "psci"; + cpu-idle-states = <&CPU_SLEEP_0>; next-level-cache = <&L2_0>; L2_0: l2-cache { compatible = "cache"; @@ -114,6 +115,7 @@ compatible = "qcom,kryo"; reg = <0x0 0x1>; enable-method = "psci"; + cpu-idle-states = <&CPU_SLEEP_0>; next-level-cache = <&L2_0>; }; @@ -122,6 +124,7 @@ compatible = "qcom,kryo"; reg = <0x0 0x100>; enable-method = "psci"; + cpu-idle-states = <&CPU_SLEEP_0>; next-level-cache = <&L2_1>; L2_1: l2-cache { compatible = "cache"; @@ -134,6 +137,7 @@ compatible = "qcom,kryo"; reg = <0x0 0x101>; enable-method = "psci"; + cpu-idle-states = <&CPU_SLEEP_0>; next-level-cache = <&L2_1>; }; @@ -158,6 +162,19 @@ }; }; }; + + idle-states { + entry-method = "psci"; + + CPU_SLEEP_0: cpu-sleep-0 { + compatible = "arm,idle-state"; + idle-state-name = "standalone-power-collapse"; + arm,psci-suspend-param = <0x00000004>; + entry-latency-us = <40>; + exit-latency-us = <80>; + min-residency-us = <300>; + }; + }; }; thermal-zones { |