| Message ID | 1416593037-27527-11-git-send-email-lina.iyer@linaro.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On 11/21/2014 10:03 AM, Lina Iyer wrote: > Add ARM common idle state device bindings for cpuidle support for APQ > 8064. > > Support Standby and Standalone power collapse (power down that does not > affect any SoC idle states) for each cpu. > > Signed-off-by: Lina Iyer <lina.iyer@linaro.org> With nitpick addressed: Reviewed-by: Stephen Boyd <sboyd@codeaurora.org> > @@ -53,12 +56,30 @@ > next-level-cache = <&L2>; > qcom,acc = <&acc3>; > qcom,saw = <&saw3>; > + cpu-idle-states = <&CPU_STBY &CPU_SPC>; > }; > > L2: l2-cache { > compatible = "cache"; > cache-level = <2>; > }; > + > + idle-states { > + CPU_STBY: standby { > + compatible = "qcom,idle-state-stby", "arm,idle-state"; > + entry-latency-us = <1>; > + exit-latency-us = <1>; > + min-residency-us = <2>; > + }; > + > + CPU_SPC: spc { > + compatible = "qcom,idle-state-spc", "arm,idle-state"; > + entry-latency-us = <400>; > + exit-latency-us = <900>; > + min-residency-us = <3000>; > + }; > + }; > + Nitpick, no need for blank line here. > }; > > cpu-pmu {
diff --git a/arch/arm/boot/dts/qcom-apq8064.dtsi b/arch/arm/boot/dts/qcom-apq8064.dtsi index 9fd24bc..3eaf242 100644 --- a/arch/arm/boot/dts/qcom-apq8064.dtsi +++ b/arch/arm/boot/dts/qcom-apq8064.dtsi @@ -23,6 +23,7 @@ next-level-cache = <&L2>; qcom,acc = <&acc0>; qcom,saw = <&saw0>; + cpu-idle-states = <&CPU_STBY &CPU_SPC>; }; cpu@1 { @@ -33,6 +34,7 @@ next-level-cache = <&L2>; qcom,acc = <&acc1>; qcom,saw = <&saw1>; + cpu-idle-states = <&CPU_STBY &CPU_SPC>; }; cpu@2 { @@ -43,6 +45,7 @@ next-level-cache = <&L2>; qcom,acc = <&acc2>; qcom,saw = <&saw2>; + cpu-idle-states = <&CPU_STBY &CPU_SPC>; }; cpu@3 { @@ -53,12 +56,30 @@ next-level-cache = <&L2>; qcom,acc = <&acc3>; qcom,saw = <&saw3>; + cpu-idle-states = <&CPU_STBY &CPU_SPC>; }; L2: l2-cache { compatible = "cache"; cache-level = <2>; }; + + idle-states { + CPU_STBY: standby { + compatible = "qcom,idle-state-stby", "arm,idle-state"; + entry-latency-us = <1>; + exit-latency-us = <1>; + min-residency-us = <2>; + }; + + CPU_SPC: spc { + compatible = "qcom,idle-state-spc", "arm,idle-state"; + entry-latency-us = <400>; + exit-latency-us = <900>; + min-residency-us = <3000>; + }; + }; + }; cpu-pmu {
Add ARM common idle state device bindings for cpuidle support for APQ 8064. Support Standby and Standalone power collapse (power down that does not affect any SoC idle states) for each cpu. Signed-off-by: Lina Iyer <lina.iyer@linaro.org> --- arch/arm/boot/dts/qcom-apq8064.dtsi | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+)