| Message ID | 1426658432-29333-1-git-send-email-howard.chen@linaro.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
Hi, On Wed, Mar 18, 2015 at 06:00:32AM +0000, Howard Chen wrote: > add device tree for psci-0.2 on mt8173 platform Are all the other mandatory PSCI 0.2 components implemented and working? e.g. is MIGRATE_INFO_TYPE present, do SYSTEM_{OFF,RESET} work? If they're not present and working, we can't describe this as having PSCI 0.2. Also, what FW does this require the system to have? Mark. > add device tree for cupidle-arm64 on mt8173 platform > > Signed-off-by: Howard Chen <howard.chen@linaro.org> > --- > arch/arm64/boot/dts/mediatek/mt8173.dtsi | 30 ++++++++++++++++++++++++++---- > 1 file changed, 26 insertions(+), 4 deletions(-) > > diff --git a/arch/arm64/boot/dts/mediatek/mt8173.dtsi b/arch/arm64/boot/dts/mediatek/mt8173.dtsi > index 8554ec3..96dff1e 100644 > --- a/arch/arm64/boot/dts/mediatek/mt8173.dtsi > +++ b/arch/arm64/boot/dts/mediatek/mt8173.dtsi > @@ -48,6 +48,8 @@ > device_type = "cpu"; > compatible = "arm,cortex-a53"; > reg = <0x000>; > + enable-method = "psci"; > + cpu-idle-states = <&CPU_SLEEP_0_0 &CLUSTER_SLEEP_0>; > }; > > cpu1: cpu@1 { > @@ -55,6 +57,7 @@ > compatible = "arm,cortex-a53"; > reg = <0x001>; > enable-method = "psci"; > + cpu-idle-states = <&CPU_SLEEP_0_0 &CLUSTER_SLEEP_0>; > }; > > cpu2: cpu@100 { > @@ -62,6 +65,7 @@ > compatible = "arm,cortex-a57"; > reg = <0x100>; > enable-method = "psci"; > + cpu-idle-states = <&CPU_SLEEP_0_0 &CLUSTER_SLEEP_0>; > }; > > cpu3: cpu@101 { > @@ -69,15 +73,33 @@ > compatible = "arm,cortex-a57"; > reg = <0x101>; > enable-method = "psci"; > + 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"; > + arm,psci-suspend-param = <0x0010000>; > + entry-latency-us = <600>; > + exit-latency-us = <600>; > + min-residency-us = <1200>; > + }; > + > + CLUSTER_SLEEP_0: cluster-sleep-0 { > + compatible = "arm,idle-state"; > + arm,psci-suspend-param = <0x1010000>; > + entry-latency-us = <800>; > + exit-latency-us = <1000>; > + min-residency-us = <2000>; > + wakeup-latency-us = <1000>; > + }; > }; > > psci { > - compatible = "arm,psci"; > + compatible = "arm,psci-0.2"; > method = "smc"; > - cpu_suspend = <0x84000001>; > - cpu_off = <0x84000002>; > - cpu_on = <0x84000003>; > }; > > uart_clk: dummy26m { > -- > 1.9.1 > >
diff --git a/arch/arm64/boot/dts/mediatek/mt8173.dtsi b/arch/arm64/boot/dts/mediatek/mt8173.dtsi index 8554ec3..96dff1e 100644 --- a/arch/arm64/boot/dts/mediatek/mt8173.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt8173.dtsi @@ -48,6 +48,8 @@ device_type = "cpu"; compatible = "arm,cortex-a53"; reg = <0x000>; + enable-method = "psci"; + cpu-idle-states = <&CPU_SLEEP_0_0 &CLUSTER_SLEEP_0>; }; cpu1: cpu@1 { @@ -55,6 +57,7 @@ compatible = "arm,cortex-a53"; reg = <0x001>; enable-method = "psci"; + cpu-idle-states = <&CPU_SLEEP_0_0 &CLUSTER_SLEEP_0>; }; cpu2: cpu@100 { @@ -62,6 +65,7 @@ compatible = "arm,cortex-a57"; reg = <0x100>; enable-method = "psci"; + cpu-idle-states = <&CPU_SLEEP_0_0 &CLUSTER_SLEEP_0>; }; cpu3: cpu@101 { @@ -69,15 +73,33 @@ compatible = "arm,cortex-a57"; reg = <0x101>; enable-method = "psci"; + 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"; + arm,psci-suspend-param = <0x0010000>; + entry-latency-us = <600>; + exit-latency-us = <600>; + min-residency-us = <1200>; + }; + + CLUSTER_SLEEP_0: cluster-sleep-0 { + compatible = "arm,idle-state"; + arm,psci-suspend-param = <0x1010000>; + entry-latency-us = <800>; + exit-latency-us = <1000>; + min-residency-us = <2000>; + wakeup-latency-us = <1000>; + }; }; psci { - compatible = "arm,psci"; + compatible = "arm,psci-0.2"; method = "smc"; - cpu_suspend = <0x84000001>; - cpu_off = <0x84000002>; - cpu_on = <0x84000003>; }; uart_clk: dummy26m {
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/mediatek/mt8173.dtsi | 30 ++++++++++++++++++++++++++---- 1 file changed, 26 insertions(+), 4 deletions(-)