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MLK-18205-8 ARM64: dts: freescale: imx8mm: add cpu-idle support 

Add i.MX8MM cpu-idle support, level #1 is wfi,
level #2 is ARM power gated.

Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Reviewed-by: Bai Ping <ping.bai@nxp.com>
pull/10/head
Bai Ping 2018-05-04 17:56:45 +08:00 committed by Jason Liu
parent 7c0406a164
commit 2535028723
1 changed files with 16 additions and 0 deletions
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16
arch/arm64/boot/dts/freescale/fsl-imx8mm.dtsi
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@ -45,6 +45,22 @@
gpio4 = &gpio5;
};
cpus {
idle-states {
entry-method = "psci";
CPU_SLEEP: cpu-sleep {
compatible = "arm,idle-state";
arm,psci-suspend-param = <0x0010033>;
local-timer-stop;
entry-latency-us = <1000>;
exit-latency-us = <700>;
min-residency-us = <2700>;
wakeup-latency-us = <1500>;
};
};
};
memory@40000000 {
device_type = "memory";
reg = <0x0 0x40000000 0 0x80000000>;