| Message ID | 1418633948-2513-1-git-send-email-howard.chen@linaro.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Mon, Dec 15, 2014 at 08:59:08AM +0000, Howard Chen wrote: > add device tree for psci-0.2 on mt8173 platform > add device tree for cupidle-arm64 on mt8173 platform > > Signed-off-by: Howard Chen <howard.chen@linaro.org> > --- > arch/arm64/boot/dts/mt8173.dtsi | 51 +++++++++++++++++++++++++++++++++++++++++ > 1 file changed, 51 insertions(+) > > diff --git a/arch/arm64/boot/dts/mt8173.dtsi b/arch/arm64/boot/dts/mt8173.dtsi > index 79b7e46..c5e1127 100644 > --- a/arch/arm64/boot/dts/mt8173.dtsi > +++ b/arch/arm64/boot/dts/mt8173.dtsi > @@ -44,6 +44,11 @@ > }; > }; > > + psci { > + compatible = "arm,psci-0.2"; > + method = "smc"; > + }; > + > cpus { > #address-cells = <1>; > #size-cells = <0>; > @@ -54,6 +59,7 @@ > reg = <0x000>; > enable-method = "mt-boot"; What is "mt-boot", and why is this not "psci"? What tree is this based on? The additions for idle look fine as of themselves, but we shouldn't require non-standard enable method code with PSCI. Mark. > cpu-release-addr = <0x0 0x40000200>; > + cpu-idle-states = <&CPU_SLEEP_1_0 &CLUSTER_SLEEP_1>; > }; > > cpu1: cpu@1 { > @@ -62,6 +68,7 @@ > reg = <0x001>; > enable-method = "mt-boot"; > cpu-release-addr = <0x0 0x40000200>; > + cpu-idle-states = <&CPU_SLEEP_1_0 &CLUSTER_SLEEP_1>; > }; > > cpu2: cpu@2 { > @@ -70,6 +77,7 @@ > reg = <0x100>; > enable-method = "mt-boot"; > cpu-release-addr = <0x0 0x40000200>; > + cpu-idle-states = <&CPU_SLEEP_0_0 &CLUSTER_SLEEP_0>; > }; > > cpu3: cpu@3 { > @@ -78,8 +86,51 @@ > reg = <0x101>; > enable-method = "mt-boot"; > cpu-release-addr = <0x0 0x40000200>; > + cpu-idle-states = <&CPU_SLEEP_0_0 &CLUSTER_SLEEP_0>; > }; > > + idle-states { > + entry-method = "arm,psci-0.2"; > + > + CPU_SLEEP_0_0: cpu-sleep-0-0 { > + compatible = "arm,idle-state"; > + local-timer-stop; > + arm,psci-suspend-param = <0x0010000>; > + entry-latency-us = <250>; > + exit-latency-us = <500>; > + min-residency-us = <950>; > + }; > + > + CLUSTER_SLEEP_0: cluster-sleep-0 { > + compatible = "arm,idle-state"; > + local-timer-stop; > + arm,psci-suspend-param = <0x1010000>; > + entry-latency-us = <600>; > + exit-latency-us = <1100>; > + min-residency-us = <2700>; > + wakeup-latency-us = <1500>; > + }; > + > + CPU_SLEEP_1_0: cpu-sleep-1-0 { > + compatible = "arm,idle-state"; > + local-timer-stop; > + arm,psci-suspend-param = <0x0010000>; > + entry-latency-us = <70>; > + exit-latency-us = <100>; > + min-residency-us = <300>; > + wakeup-latency-us = <150>; > + }; > + > + CLUSTER_SLEEP_1: cluster-sleep-1 { > + compatible = "arm,idle-state"; > + local-timer-stop; > + arm,psci-suspend-param = <0x1010000>; > + entry-latency-us = <500>; > + exit-latency-us = <1200>; > + min-residency-us = <3500>; > + wakeup-latency-us = <1300>; > + }; > + }; > }; > > clocks { > -- > 1.9.1 > >
diff --git a/arch/arm64/boot/dts/mt8173.dtsi b/arch/arm64/boot/dts/mt8173.dtsi index 79b7e46..c5e1127 100644 --- a/arch/arm64/boot/dts/mt8173.dtsi +++ b/arch/arm64/boot/dts/mt8173.dtsi @@ -44,6 +44,11 @@ }; }; + psci { + compatible = "arm,psci-0.2"; + method = "smc"; + }; + cpus { #address-cells = <1>; #size-cells = <0>; @@ -54,6 +59,7 @@ reg = <0x000>; enable-method = "mt-boot"; cpu-release-addr = <0x0 0x40000200>; + cpu-idle-states = <&CPU_SLEEP_1_0 &CLUSTER_SLEEP_1>; }; cpu1: cpu@1 { @@ -62,6 +68,7 @@ reg = <0x001>; enable-method = "mt-boot"; cpu-release-addr = <0x0 0x40000200>; + cpu-idle-states = <&CPU_SLEEP_1_0 &CLUSTER_SLEEP_1>; }; cpu2: cpu@2 { @@ -70,6 +77,7 @@ reg = <0x100>; enable-method = "mt-boot"; cpu-release-addr = <0x0 0x40000200>; + cpu-idle-states = <&CPU_SLEEP_0_0 &CLUSTER_SLEEP_0>; }; cpu3: cpu@3 { @@ -78,8 +86,51 @@ reg = <0x101>; enable-method = "mt-boot"; cpu-release-addr = <0x0 0x40000200>; + cpu-idle-states = <&CPU_SLEEP_0_0 &CLUSTER_SLEEP_0>; }; + idle-states { + entry-method = "arm,psci-0.2"; + + CPU_SLEEP_0_0: cpu-sleep-0-0 { + compatible = "arm,idle-state"; + local-timer-stop; + arm,psci-suspend-param = <0x0010000>; + entry-latency-us = <250>; + exit-latency-us = <500>; + min-residency-us = <950>; + }; + + CLUSTER_SLEEP_0: cluster-sleep-0 { + compatible = "arm,idle-state"; + local-timer-stop; + arm,psci-suspend-param = <0x1010000>; + entry-latency-us = <600>; + exit-latency-us = <1100>; + min-residency-us = <2700>; + wakeup-latency-us = <1500>; + }; + + CPU_SLEEP_1_0: cpu-sleep-1-0 { + compatible = "arm,idle-state"; + local-timer-stop; + arm,psci-suspend-param = <0x0010000>; + entry-latency-us = <70>; + exit-latency-us = <100>; + min-residency-us = <300>; + wakeup-latency-us = <150>; + }; + + CLUSTER_SLEEP_1: cluster-sleep-1 { + compatible = "arm,idle-state"; + local-timer-stop; + arm,psci-suspend-param = <0x1010000>; + entry-latency-us = <500>; + exit-latency-us = <1200>; + min-residency-us = <3500>; + wakeup-latency-us = <1300>; + }; + }; }; clocks {
add device tree for psci-0.2 on mt8173 platform add device tree for cupidle-arm64 on mt8173 platform Signed-off-by: Howard Chen <howard.chen@linaro.org> --- arch/arm64/boot/dts/mt8173.dtsi | 51 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 51 insertions(+)