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ARM: dts: am33xx: Add idle_states for cpuidle

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Add idle_states table for CPU on am335x. Currently just add C1 state
which gates the MPU clock domain.

Signed-off-by: Dave Gerlach <d-gerlach@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Dave Gerlach 2019-12-12 22:17:24 -06:00 committed by Tony Lindgren
parent 8f38fd5ba6
commit c3e6fccafd
1 changed files with 12 additions and 0 deletions
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12
arch/arm/boot/dts/am33xx.dtsi
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@ -47,6 +47,7 @@ cpus {
#size-cells = <0>;
cpu@0 {
compatible = "arm,cortex-a8";
enable-method = "ti,am3352";
device_type = "cpu";
reg = <0>;
@ -56,6 +57,17 @@ cpu@0 {
clock-names = "cpu";
clock-latency = <300000>; /* From omap-cpufreq driver */
cpu-idle-states = <&mpu_gate>;
};
idle-states {
mpu_gate: mpu_gate {
compatible = "arm,idle-state";
entry-latency-us = <40>;
exit-latency-us = <90>;
min-residency-us = <300>;
ti,idle-wkup-m3;
};
};
};