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Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
arm64: dts: mt8192: Add cpu-idle-states
Add idle states for cpu-off and cluster-off.
Signed-off-by: James Liao <jamesjj.liao@mediatek.com>
Link: https://lore.kernel.org/r/20201222045820.26355-1-jamesjj.liao@mediatek.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
authored by
James Liao
and committed by
Matthias Brugger
9260918d
9e1b7d00
+44
+44
arch/arm64/boot/dts/mediatek/mt8192.dtsi
+44
arch/arm64/boot/dts/mediatek/mt8192.dtsi
···
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reg = <0x000>;
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enable-method = "psci";
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clock-frequency = <1701000000>;
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+
cpu-idle-states = <&cpuoff_l &clusteroff_l>;
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next-level-cache = <&l2_0>;
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capacity-dmips-mhz = <530>;
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};
···
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reg = <0x100>;
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enable-method = "psci";
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clock-frequency = <1701000000>;
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+
cpu-idle-states = <&cpuoff_l &clusteroff_l>;
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next-level-cache = <&l2_0>;
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capacity-dmips-mhz = <530>;
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};
···
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reg = <0x200>;
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enable-method = "psci";
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clock-frequency = <1701000000>;
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+
cpu-idle-states = <&cpuoff_l &clusteroff_l>;
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next-level-cache = <&l2_0>;
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capacity-dmips-mhz = <530>;
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};
···
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reg = <0x300>;
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enable-method = "psci";
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clock-frequency = <1701000000>;
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+
cpu-idle-states = <&cpuoff_l &clusteroff_l>;
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next-level-cache = <&l2_0>;
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capacity-dmips-mhz = <530>;
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};
···
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reg = <0x400>;
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enable-method = "psci";
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clock-frequency = <2171000000>;
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+
cpu-idle-states = <&cpuoff_b &clusteroff_b>;
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next-level-cache = <&l2_1>;
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capacity-dmips-mhz = <1024>;
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};
···
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reg = <0x500>;
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enable-method = "psci";
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clock-frequency = <2171000000>;
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+
cpu-idle-states = <&cpuoff_b &clusteroff_b>;
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next-level-cache = <&l2_1>;
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capacity-dmips-mhz = <1024>;
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};
···
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reg = <0x600>;
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enable-method = "psci";
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clock-frequency = <2171000000>;
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+
cpu-idle-states = <&cpuoff_b &clusteroff_b>;
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next-level-cache = <&l2_1>;
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capacity-dmips-mhz = <1024>;
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};
···
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reg = <0x700>;
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enable-method = "psci";
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clock-frequency = <2171000000>;
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+
cpu-idle-states = <&cpuoff_b &clusteroff_b>;
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next-level-cache = <&l2_1>;
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capacity-dmips-mhz = <1024>;
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};
···
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l3_0: l3-cache {
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compatible = "cache";
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};
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+
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idle-states {
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entry-method = "arm,psci";
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cpuoff_l: cpuoff_l {
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compatible = "arm,idle-state";
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arm,psci-suspend-param = <0x00010001>;
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+
local-timer-stop;
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entry-latency-us = <55>;
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exit-latency-us = <140>;
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min-residency-us = <780>;
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};
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cpuoff_b: cpuoff_b {
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compatible = "arm,idle-state";
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arm,psci-suspend-param = <0x00010001>;
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local-timer-stop;
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entry-latency-us = <35>;
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+
exit-latency-us = <145>;
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min-residency-us = <720>;
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};
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clusteroff_l: clusteroff_l {
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compatible = "arm,idle-state";
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arm,psci-suspend-param = <0x01010002>;
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local-timer-stop;
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entry-latency-us = <60>;
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exit-latency-us = <155>;
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min-residency-us = <860>;
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};
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clusteroff_b: clusteroff_b {
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compatible = "arm,idle-state";
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arm,psci-suspend-param = <0x01010002>;
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local-timer-stop;
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entry-latency-us = <40>;
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exit-latency-us = <155>;
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min-residency-us = <780>;
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+
};
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};
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};
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