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| author | Arnd Bergmann <arnd@arndb.de> | 2017-10-30 14:37:50 +0100 |
|---|---|---|
| committer | Arnd Bergmann <arnd@arndb.de> | 2017-10-30 14:37:50 +0100 |
| commit | 25b838489824d226b3b1ae45d6a640c00b18f751 (patch) | |
| tree | c371b1c34634f138ebc4f620a668559f48c07f19 /arch/arm64/boot | |
| parent | a5494aed0d94a2e6b12be963d28b57cfffe0f9e9 (diff) | |
| parent | f5a3d7837aa5fe619042694a3b0911243b8acc7f (diff) | |
Merge tag 'v4.14-next-dts64' of https://github.com/mbgg/linux-mediatek into next/dt
Pull "Mediatek: 64-bit DT update for v4.15" from Matthias Brugger:
- mt2712: add cpuidle support
* tag 'v4.14-next-dts64' of https://github.com/mbgg/linux-mediatek:
arm64: dts: mediatek: Add cpuidle support for MT2712
Diffstat (limited to 'arch/arm64/boot')
| -rw-r--r-- | arch/arm64/boot/dts/mediatek/mt2712e.dtsi | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/mediatek/mt2712e.dtsi b/arch/arm64/boot/dts/mediatek/mt2712e.dtsi index 57d0396b7faa..5d4e406bb35d 100644 --- a/arch/arm64/boot/dts/mediatek/mt2712e.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt2712e.dtsi @@ -39,6 +39,7 @@ device_type = "cpu"; compatible = "arm,cortex-a35"; reg = <0x000>; + cpu-idle-states = <&CPU_SLEEP_0 &CLUSTER_SLEEP_0>; }; cpu1: cpu@1 { @@ -46,6 +47,7 @@ compatible = "arm,cortex-a35"; reg = <0x001>; enable-method = "psci"; + cpu-idle-states = <&CPU_SLEEP_0 &CLUSTER_SLEEP_0>; }; cpu2: cpu@200 { @@ -53,6 +55,29 @@ compatible = "arm,cortex-a72"; reg = <0x200>; enable-method = "psci"; + cpu-idle-states = <&CPU_SLEEP_0 &CLUSTER_SLEEP_0>; + }; + + idle-states { + entry-method = "arm,psci"; + + CPU_SLEEP_0: cpu-sleep-0 { + compatible = "arm,idle-state"; + local-timer-stop; + entry-latency-us = <100>; + exit-latency-us = <80>; + min-residency-us = <2000>; + arm,psci-suspend-param = <0x0010000>; + }; + + CLUSTER_SLEEP_0: cluster-sleep-0 { + compatible = "arm,idle-state"; + local-timer-stop; + entry-latency-us = <350>; + exit-latency-us = <80>; + min-residency-us = <3000>; + arm,psci-suspend-param = <0x1010000>; + }; }; }; |