diff options
| author | Howard Chen <howard.chen@linaro.org> | 2015-06-04 15:13:37 +0800 |
|---|---|---|
| committer | Matthias Brugger <matthias.bgg@gmail.com> | 2015-07-06 18:01:46 +0200 |
| commit | ad4df7a53a148e2e9d917e254b4e9ec9fc860ac9 (patch) | |
| tree | ad906b3952277cb4a1b5fa2b24d6cb491450cba5 /arch/arm64/boot/dts/mediatek | |
| parent | c010ff530a04ca63d120e1fad0f4268302c5e845 (diff) | |
ARM: dts: mt8173: support arm64 cpuidle-dt
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>
Acked-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
Diffstat (limited to 'arch/arm64/boot/dts/mediatek')
| -rw-r--r-- | arch/arm64/boot/dts/mediatek/mt8173.dtsi | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/mediatek/mt8173.dtsi b/arch/arm64/boot/dts/mediatek/mt8173.dtsi index 0696f8fa8fc2..359b8b6c235a 100644 --- a/arch/arm64/boot/dts/mediatek/mt8173.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt8173.dtsi @@ -51,6 +51,8 @@ device_type = "cpu"; compatible = "arm,cortex-a53"; reg = <0x000>; + enable-method = "psci"; + cpu-idle-states = <&CPU_SLEEP_0>; }; cpu1: cpu@1 { @@ -58,6 +60,7 @@ compatible = "arm,cortex-a53"; reg = <0x001>; enable-method = "psci"; + cpu-idle-states = <&CPU_SLEEP_0>; }; cpu2: cpu@100 { @@ -65,6 +68,7 @@ compatible = "arm,cortex-a57"; reg = <0x100>; enable-method = "psci"; + cpu-idle-states = <&CPU_SLEEP_0>; }; cpu3: cpu@101 { @@ -72,6 +76,20 @@ 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"; + local-timer-stop; + entry-latency-us = <639>; + exit-latency-us = <680>; + min-residency-us = <1088>; + arm,psci-suspend-param = <0x0010000>; + }; }; }; |