Messages in this thread Patch in this message | | | From | Howard Chen <> | Subject | [PATCH v3] ARM: dts: mt8173: support arm64 cpuidle-dt | Date | Fri, 29 May 2015 15:01:46 +0800 |
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This patch adds an idle-states node to describe the mt8173 idle states and also adds references to the idle-states node in all CPU nodes.
Signed-off-by: Howard Chen <howard.chen@linaro.org> --- arch/arm64/boot/dts/mediatek/mt8173.dtsi | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+)
diff --git a/arch/arm64/boot/dts/mediatek/mt8173.dtsi b/arch/arm64/boot/dts/mediatek/mt8173.dtsi index 924fdb6..47e8d56 100644 --- a/arch/arm64/boot/dts/mediatek/mt8173.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt8173.dtsi @@ -49,6 +49,8 @@ device_type = "cpu"; compatible = "arm,cortex-a53"; reg = <0x000>; + enable-method = "psci"; + cpu-idle-states = <&CPU_SLEEP_0>; }; cpu1: cpu@1 { @@ -56,6 +58,7 @@ compatible = "arm,cortex-a53"; reg = <0x001>; enable-method = "psci"; + cpu-idle-states = <&CPU_SLEEP_0>; }; cpu2: cpu@100 { @@ -63,6 +66,7 @@ compatible = "arm,cortex-a57"; reg = <0x100>; enable-method = "psci"; + cpu-idle-states = <&CPU_SLEEP_0>; }; cpu3: cpu@101 { @@ -70,6 +74,20 @@ compatible = "arm,cortex-a57"; reg = <0x101>; enable-method = "psci"; + cpu-idle-states = <&CPU_SLEEP_0>; + }; + + idle-states { + entry-method = "arm,psci"; + + CPU_SLEEP_0: cpu-sleep-0 { + compatible = "arm,idle-state"; + arm,psci-suspend-param = <0x0010000>; + entry-latency-us = <639>; + exit-latency-us = <680>; + min-residency-us = <1088>; + local-timer-stop; + }; }; }; -- 1.9.1
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