Messages in this thread Patch in this message | | | From | Howard Chen <> | Subject | [PATCH v2] ARM: dts: mt8173: support arm64 cpuidle-dt | Date | Tue, 7 Apr 2015 16:05:05 +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 | 17 +++++++++++++++++ 1 file changed, 17 insertions(+)
diff --git a/arch/arm64/boot/dts/mediatek/mt8173.dtsi b/arch/arm64/boot/dts/mediatek/mt8173.dtsi index 8554ec3..0d31a34 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>; }; cpu1: cpu@1 { @@ -55,6 +57,7 @@ compatible = "arm,cortex-a53"; reg = <0x001>; enable-method = "psci"; + cpu-idle-states = <&CPU_SLEEP_0>; }; cpu2: cpu@100 { @@ -62,6 +65,7 @@ compatible = "arm,cortex-a57"; reg = <0x100>; enable-method = "psci"; + cpu-idle-states = <&CPU_SLEEP_0>; }; cpu3: cpu@101 { @@ -69,6 +73,19 @@ 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 = <328>; + min-residency-us = <1088>; + }; }; }; -- 1.9.1
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