mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
synced 2025-09-01 15:14:52 +00:00
10e7bfd811
Enable throttling down the CPU frequency when an alert temperature threshold (lower than the critical threshold) is reached. Signed-off-by: Alessandro Zini <alessandro.zini@siemens.com> Link: https://lore.kernel.org/r/20240814214328.14155-1-alessandro.zini@siemens.com Signed-off-by: Nishanth Menon <nm@ti.com>
71 lines
1.6 KiB
Plaintext
71 lines
1.6 KiB
Plaintext
// SPDX-License-Identifier: GPL-2.0-only OR MIT
|
|
/*
|
|
* Copyright (C) 2023-2024 Texas Instruments Incorporated - https://www.ti.com/
|
|
*/
|
|
|
|
#include <dt-bindings/thermal/thermal.h>
|
|
|
|
thermal_zones: thermal-zones {
|
|
main0_thermal: main0-thermal {
|
|
polling-delay-passive = <250>; /* milliSeconds */
|
|
polling-delay = <500>; /* milliSeconds */
|
|
thermal-sensors = <&wkup_vtm0 0>;
|
|
|
|
trips {
|
|
main0_alert: main0-alert {
|
|
temperature = <95000>;
|
|
hysteresis = <2000>;
|
|
type = "passive";
|
|
};
|
|
|
|
main0_crit: main0-crit {
|
|
temperature = <105000>; /* milliCelsius */
|
|
hysteresis = <2000>; /* milliCelsius */
|
|
type = "critical";
|
|
};
|
|
};
|
|
|
|
cooling-maps {
|
|
map0 {
|
|
trip = <&main0_alert>;
|
|
cooling-device =
|
|
<&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
|
|
<&cpu1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
|
|
<&cpu2 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
|
|
<&cpu3 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
|
|
};
|
|
};
|
|
};
|
|
|
|
main1_thermal: main1-thermal {
|
|
polling-delay-passive = <250>; /* milliSeconds */
|
|
polling-delay = <500>; /* milliSeconds */
|
|
thermal-sensors = <&wkup_vtm0 1>;
|
|
|
|
trips {
|
|
main1_alert: main1-alert {
|
|
temperature = <95000>;
|
|
hysteresis = <2000>;
|
|
type = "passive";
|
|
};
|
|
|
|
main1_crit: main1-crit {
|
|
temperature = <105000>; /* milliCelsius */
|
|
hysteresis = <2000>; /* milliCelsius */
|
|
type = "critical";
|
|
};
|
|
};
|
|
|
|
cooling-maps {
|
|
map0 {
|
|
trip = <&main1_alert>;
|
|
cooling-device =
|
|
<&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
|
|
<&cpu1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
|
|
<&cpu2 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
|
|
<&cpu3 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
|
|
};
|
|
};
|
|
};
|
|
};
|