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arm64: dts: enable idle states for Hi6220 

Add cpu and cluster level's low power state for Hi6220.

Acked-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Leo Yan <leo.yan@linaro.org>
Signed-off-by: Wei Xu <xuwei5@hisilicon.com>
This commit is contained in:
Leo Yan 2016-04-13 07:55:39 +08:00 committed by Wei Xu
parent 9e92703165
commit 58fa29bfbe
1 changed files with 31 additions and 0 deletions
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31
arch/arm64/boot/dts/hisilicon/hi6220.dtsi
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@ -53,11 +53,35 @@
};
};
idle-states {
entry-method = "psci";
CPU_SLEEP: cpu-sleep {
compatible = "arm,idle-state";
local-timer-stop;
arm,psci-suspend-param = <0x0010000>;
entry-latency-us = <700>;
exit-latency-us = <250>;
min-residency-us = <1000>;
};
CLUSTER_SLEEP: cluster-sleep {
compatible = "arm,idle-state";
local-timer-stop;
arm,psci-suspend-param = <0x1010000>;
entry-latency-us = <1000>;
exit-latency-us = <700>;
min-residency-us = <2700>;
wakeup-latency-us = <1500>;
};
};
cpu0: cpu@0 {
compatible = "arm,cortex-a53", "arm,armv8";
device_type = "cpu";
reg = <0x0 0x0>;
enable-method = "psci";
cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>;
};
cpu1: cpu@1 {
@ -65,6 +89,7 @@
device_type = "cpu";
reg = <0x0 0x1>;
enable-method = "psci";
cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>;
};
cpu2: cpu@2 {
@ -72,6 +97,7 @@
device_type = "cpu";
reg = <0x0 0x2>;
enable-method = "psci";
cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>;
};
cpu3: cpu@3 {
@ -79,6 +105,7 @@
device_type = "cpu";
reg = <0x0 0x3>;
enable-method = "psci";
cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>;
};
cpu4: cpu@100 {
@ -86,6 +113,7 @@
device_type = "cpu";
reg = <0x0 0x100>;
enable-method = "psci";
cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>;
};
cpu5: cpu@101 {
@ -93,6 +121,7 @@
device_type = "cpu";
reg = <0x0 0x101>;
enable-method = "psci";
cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>;
};
cpu6: cpu@102 {
@ -100,6 +129,7 @@
device_type = "cpu";
reg = <0x0 0x102>;
enable-method = "psci";
cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>;
};
cpu7: cpu@103 {
@ -107,6 +137,7 @@
device_type = "cpu";
reg = <0x0 0x103>;
enable-method = "psci";
cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>;
};
};