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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>
This commit is contained in:
Howard Chen 2015-06-04 15:13:37 +08:00 committed by Matthias Brugger
parent c010ff530a
commit ad4df7a53a
1 changed files with 18 additions and 0 deletions
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18
arch/arm64/boot/dts/mediatek/mt8173.dtsi
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@ -51,6 +51,8 @@ cpu0: cpu@0 {
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 @@ cpu1: cpu@1 {
compatible = "arm,cortex-a53";
reg = <0x001>;
enable-method = "psci";
cpu-idle-states = <&CPU_SLEEP_0>;
};
cpu2: cpu@100 {
@ -65,6 +68,7 @@ cpu2: cpu@100 {
compatible = "arm,cortex-a57";
reg = <0x100>;
enable-method = "psci";
cpu-idle-states = <&CPU_SLEEP_0>;
};
cpu3: cpu@101 {
@ -72,6 +76,20 @@ cpu3: cpu@101 {
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>;
};
};
};