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- mt2712: add cpuidle support

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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
This commit is contained in:
Arnd Bergmann 2017-10-30 14:37:50 +01:00
commit 25b8384898
1 changed files with 25 additions and 0 deletions
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25
arch/arm64/boot/dts/mediatek/mt2712e.dtsi
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@ -39,6 +39,7 @@ cpu0: cpu@0 {
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 @@ cpu1: cpu@1 {
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 @@ cpu2: cpu@200 {
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>;
};
};
};