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arm64: dts: imx93: add cpuidle node

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Add cpuidle node to support cpu idle.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
This commit is contained in:
Peng Fan
2023-05-10 16:31:52 +08:00
committed by Shawn Guo
parent f2d03ba997
commit afbd37e878
1 changed files with 16 additions and 0 deletions
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16
arch/arm64/boot/dts/freescale/imx93.dtsi
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@@ -46,12 +46,27 @@ cpus {
#address-cells = <1>;
#size-cells = <0>;
idle-states {
entry-method = "psci";
cpu_pd_wait: cpu-pd-wait {
compatible = "arm,idle-state";
arm,psci-suspend-param = <0x0010033>;
local-timer-stop;
entry-latency-us = <10000>;
exit-latency-us = <7000>;
min-residency-us = <27000>;
wakeup-latency-us = <15000>;
};
};
A55_0: cpu@0 {
device_type = "cpu";
compatible = "arm,cortex-a55";
reg = <0x0>;
enable-method = "psci";
#cooling-cells = <2>;
cpu-idle-states = <&cpu_pd_wait>;
};
A55_1: cpu@100 {
@@ -60,6 +75,7 @@ A55_1: cpu@100 {
reg = <0x100>;
enable-method = "psci";
#cooling-cells = <2>;
cpu-idle-states = <&cpu_pd_wait>;
};
};