Message ID | 1444365376-10728-5-git-send-email-leo.yan@linaro.org |
---|---|
State | New |
Headers | show |
On 09/10/15 05:36, Leo Yan wrote: > Add cpu and cluster level's low power state for Hi6220. > > Signed-off-by: Leo Yan <leo.yan@linaro.org> > --- > arch/arm64/boot/dts/hisilicon/hi6220.dtsi | 31 +++++++++++++++++++++++++++++++ > 1 file changed, 31 insertions(+) > > diff --git a/arch/arm64/boot/dts/hisilicon/hi6220.dtsi b/arch/arm64/boot/dts/hisilicon/hi6220.dtsi > index 7edbe42..e83802a 100644 > --- a/arch/arm64/boot/dts/hisilicon/hi6220.dtsi > +++ b/arch/arm64/boot/dts/hisilicon/hi6220.dtsi > @@ -52,11 +52,35 @@ > }; > }; > > + idle-states { > + entry-method = "arm,psci"; Please refer the bindings: ^ should be just "psci" Otherwise looks good. Acked-by: Sudeep Holla <sudeep.holla@arm.com> Regards, Sudeep -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Hi Sudeep, On Fri, Oct 09, 2015 at 09:48:17AM +0100, Sudeep Holla wrote: > > > On 09/10/15 05:36, Leo Yan wrote: > >Add cpu and cluster level's low power state for Hi6220. > > > >Signed-off-by: Leo Yan <leo.yan@linaro.org> > >--- > > arch/arm64/boot/dts/hisilicon/hi6220.dtsi | 31 +++++++++++++++++++++++++++++++ > > 1 file changed, 31 insertions(+) > > > >diff --git a/arch/arm64/boot/dts/hisilicon/hi6220.dtsi b/arch/arm64/boot/dts/hisilicon/hi6220.dtsi > >index 7edbe42..e83802a 100644 > >--- a/arch/arm64/boot/dts/hisilicon/hi6220.dtsi > >+++ b/arch/arm64/boot/dts/hisilicon/hi6220.dtsi > >@@ -52,11 +52,35 @@ > > }; > > }; > > > >+ idle-states { > >+ entry-method = "arm,psci"; > > Please refer the bindings: ^ should be just "psci" > > Otherwise looks good. > Acked-by: Sudeep Holla <sudeep.holla@arm.com> Will fix it, thanks for review. Thanks, Leo Yan -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
diff --git a/arch/arm64/boot/dts/hisilicon/hi6220.dtsi b/arch/arm64/boot/dts/hisilicon/hi6220.dtsi index 7edbe42..e83802a 100644 --- a/arch/arm64/boot/dts/hisilicon/hi6220.dtsi +++ b/arch/arm64/boot/dts/hisilicon/hi6220.dtsi @@ -52,11 +52,35 @@ }; }; + idle-states { + entry-method = "arm,psci"; + + CPU_SLEEP: cpu-sleep { + compatible = "arm,idle-state"; + local-timer-stop; + arm,psci-suspend-param = <0x0010000>; + entry-latency-us = <700>; + exit-latency-us = <250>; + min-residency-us = <1000>; + }; + + CLUSTER_SLEEP: cluster-sleep { + compatible = "arm,idle-state"; + local-timer-stop; + arm,psci-suspend-param = <0x1010000>; + entry-latency-us = <1000>; + exit-latency-us = <700>; + min-residency-us = <2700>; + wakeup-latency-us = <1500>; + }; + }; + cpu0: cpu@0 { compatible = "arm,cortex-a53", "arm,armv8"; device_type = "cpu"; reg = <0x0 0x0>; enable-method = "psci"; + cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>; }; cpu1: cpu@1 { @@ -64,6 +88,7 @@ device_type = "cpu"; reg = <0x0 0x1>; enable-method = "psci"; + cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>; }; cpu2: cpu@2 { @@ -71,6 +96,7 @@ device_type = "cpu"; reg = <0x0 0x2>; enable-method = "psci"; + cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>; }; cpu3: cpu@3 { @@ -78,6 +104,7 @@ device_type = "cpu"; reg = <0x0 0x3>; enable-method = "psci"; + cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>; }; cpu4: cpu@100 { @@ -85,6 +112,7 @@ device_type = "cpu"; reg = <0x0 0x100>; enable-method = "psci"; + cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>; }; cpu5: cpu@101 { @@ -92,6 +120,7 @@ device_type = "cpu"; reg = <0x0 0x101>; enable-method = "psci"; + cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>; }; cpu6: cpu@102 { @@ -99,6 +128,7 @@ device_type = "cpu"; reg = <0x0 0x102>; enable-method = "psci"; + cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>; }; cpu7: cpu@103 { @@ -106,6 +136,7 @@ device_type = "cpu"; reg = <0x0 0x103>; enable-method = "psci"; + cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>; }; };
Add cpu and cluster level's low power state for Hi6220. Signed-off-by: Leo Yan <leo.yan@linaro.org> --- arch/arm64/boot/dts/hisilicon/hi6220.dtsi | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+)