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| author | Lina Iyer <lina.iyer@linaro.org> | 2015-03-25 14:25:33 -0600 |
|---|---|---|
| committer | Olof Johansson <olof@lixom.net> | 2015-04-03 13:33:54 -0700 |
| commit | d596d620d82f64989aaf73144bac82002204d88c (patch) | |
| tree | d7d0e852b941f017dc5e1f72fbf0fc4e5e4c8989 /arch/arm/boot/dts/qcom-msm8974.dtsi | |
| parent | 9fc23ce3bfb8c205f2a43de94f3730aa301f2efe (diff) | |
| download | linux-d596d620d82f64989aaf73144bac82002204d88c.tar.gz | |
ARM: dts: qcom: Add idle states device nodes for 8974/8074
Add ARM common idle states device bindings for cpuidle support for APQ 8974/8074. Support Standalone power collapse (SPC) idle state (power down that does not affect any SoC idle states) for each cpu. Signed-off-by: Lina Iyer <lina.iyer@linaro.org> Signed-off-by: Kumar Gala <galak@codeaurora.org> Signed-off-by: Olof Johansson <olof@lixom.net>
Diffstat (limited to 'arch/arm/boot/dts/qcom-msm8974.dtsi')
| -rw-r--r-- | arch/arm/boot/dts/qcom-msm8974.dtsi | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/qcom-msm8974.dtsi b/arch/arm/boot/dts/qcom-msm8974.dtsi index 1bb18322a66e..37b47b5538b8 100644 --- a/arch/arm/boot/dts/qcom-msm8974.dtsi +++ b/arch/arm/boot/dts/qcom-msm8974.dtsi @@ -22,6 +22,7 @@ next-level-cache = <&L2>; qcom,acc = <&acc0>; qcom,saw = <&saw0>; + cpu-idle-states = <&CPU_SPC>; }; cpu@1 { @@ -32,6 +33,7 @@ next-level-cache = <&L2>; qcom,acc = <&acc1>; qcom,saw = <&saw1>; + cpu-idle-states = <&CPU_SPC>; }; cpu@2 { @@ -42,6 +44,7 @@ next-level-cache = <&L2>; qcom,acc = <&acc2>; qcom,saw = <&saw2>; + cpu-idle-states = <&CPU_SPC>; }; cpu@3 { @@ -52,6 +55,7 @@ next-level-cache = <&L2>; qcom,acc = <&acc3>; qcom,saw = <&saw3>; + cpu-idle-states = <&CPU_SPC>; }; L2: l2-cache { @@ -59,6 +63,16 @@ cache-level = <2>; qcom,saw = <&saw_l2>; }; + + idle-states { + CPU_SPC: spc { + compatible = "qcom,idle-state-spc", + "arm,idle-state"; + entry-latency-us = <150>; + exit-latency-us = <200>; + min-residency-us = <2000>; + }; + }; }; cpu-pmu { |