I'm using the industrial grade of the i.MX 8M.(MIMX8MQ6CVAHZAB)
In the device-tree, there is something related to temperature.
thermal-zones {
cpu-thermal {
polling-delay-passive = <250>;
polling-delay = <2000>;
thermal-sensors = <&tmu 0>;
trips {
cpu_alert: cpu-alert {
temperature = <80000>;
hysteresis = <2000>;
type = "passive";
};
cpu-crit {
temperature = <90000>;
hysteresis = <2000>;
type = "critical";
};
};
/sys/devices/virtual/thermal/thermal_zone0# cat trip_point_0_temp 80000 /sys/devices/virtual/thermal/thermal_zone0# cat trip_point_1_temp 90000 |
When using the Industrial grade of the i.MX 8M, is it okay to raise this standard as follows?
passive: 90 critical: 100 |
U-Boot: rel_imx_5.4.70_2.3.0
Kernel: rel_imx_5.4.70_2.3.0
regards,
kwon
Solved! Go to Solution.
@xoduddk123
Hello,
Temperature of 100 C is very high, since temperature sensor
accuracy of 10 C is not taken into account there.
Default settings in our BSP may be left as is.
The temperature settings in themselves are not the problem for thermal considerations:
the main problem is how to implement optimal power dissipation in system.
Also:
Regards,
Yuri.
@xoduddk123
Hello,
Temperature of 100 C is very high, since temperature sensor
accuracy of 10 C is not taken into account there.
Default settings in our BSP may be left as is.
The temperature settings in themselves are not the problem for thermal considerations:
the main problem is how to implement optimal power dissipation in system.
Also:
Regards,
Yuri.