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dts: arm: nordic: Add power states for nRF54H20

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Add `idle` and `s2ram` power states for nRF54H20 cpuapp and cpurad.
Also the substate `idle_cache_disable` added.

Signed-off-by: Adam Kondraciuk <adam.kondraciuk@nordicsemi.no>
This commit is contained in:
Adam Kondraciuk 2024-10-02 10:39:56 +02:00 • committed by Fabio Baltieri
commit e786c1f849
1 changed files with 6 additions and 3 deletions
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9
dts/common/nordic/nrf54h20.dtsi
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@ -31,7 +31,7 @@
device_type = "cpu"; device_type = "cpu";
clocks = <&cpuapp_hsfll>; clocks = <&cpuapp_hsfll>;
clock-frequency = <DT_FREQ_M(320)>; clock-frequency = <DT_FREQ_M(320)>;
cpu-power-states = <&idle &s2ram>; cpu-power-states = <&idle_cache_disabled &s2ram>;
}; };
cpurad: cpu@3 { cpurad: cpu@3 {
@ -40,6 +40,7 @@
device_type = "cpu"; device_type = "cpu";
clocks = <&cpurad_hsfll>; clocks = <&cpurad_hsfll>;
clock-frequency = <DT_FREQ_M(256)>; clock-frequency = <DT_FREQ_M(256)>;
cpu-power-states = <&idle_cache_disabled>;
}; };
cpuppr: cpu@d { cpuppr: cpu@d {
@ -128,12 +129,14 @@
}; };
power-states { power-states {
idle: idle { // substate-id = <0>; is reserved for "idle", cache powered on
// substate-id = <1>; is reserved for "idle-cache-retained"
idle_cache_disabled: idle_cache_disabled {
compatible = "zephyr,power-state"; compatible = "zephyr,power-state";
power-state-name = "suspend-to-idle"; power-state-name = "suspend-to-idle";
substate-id = <2>;
min-residency-us = <100000>; min-residency-us = <100000>;
}; };
s2ram: s2ram { s2ram: s2ram {
compatible = "zephyr,power-state"; compatible = "zephyr,power-state";
power-state-name = "suspend-to-ram"; power-state-name = "suspend-to-ram";