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mvebu: setup effective thermal zones on Puzzle M901 and M902 

Assign fan with 4 active cooling levels to be used for the main CPU as
well as external SerDes units.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>
This commit is contained in:
Daniel Golle 2023-02-25 17:42:23 +00:00
parent ea33a5def5
commit aa41f4a395
3 changed files with 70 additions and 30 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

27
target/linux/mvebu/files/arch/arm64/boot/dts/marvell/cn9131-puzzle-m901.dts
View File

@ -6,6 +6,7 @@
*/
#include "cn9130.dtsi"
#include "puzzle-thermal.dtsi"
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
@ -109,26 +110,18 @@
chassis_fan_group0: fan-group@0 {
#cooling-cells = <2>;
reg = <0x00>;
cooling-levels = <64 102 170 230 250>;
cooling-levels = <80 102 170 230 255>;
};
};
};
};
&ap_thermal_cpu1 {
trips {
cpu_active: cpu-active {
temperature = <44000>;
hysteresis = <2000>;
type = "active";
};
};
cooling-maps {
fan-map {
trip = <&cpu_active>;
cooling-device = <&chassis_fan_group0 64 THERMAL_NO_LIMIT>;
};
};
&ap_thermal_ic {
PUZZLE_FAN_THERMAL(ic, &chassis_fan_group0);
};
&cp0_thermal_ic {
PUZZLE_FAN_THERMAL(cp0, &chassis_fan_group0);
};
/* on-board eMMC - U9 */
@ -396,6 +389,10 @@
};
};
&cp1_thermal_ic {
PUZZLE_FAN_THERMAL(cp1, &chassis_fan_group0);
};
&cp1_usb3_1 {
status = "okay";
phys = <&cp1_comphy3 1>;

32
target/linux/mvebu/files/arch/arm64/boot/dts/marvell/cn9132-puzzle-m902.dts
View File

@ -6,6 +6,7 @@
*/
#include "cn9130.dtsi"
#include "puzzle-thermal.dtsi"
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
@ -154,28 +155,21 @@
chassis_fan_group0: fan-group@0 {
#cooling-cells = <2>;
reg = <0x00>;
cooling-levels = <64 102 170 230 250>;
cooling-levels = <80 102 170 230 255>;
};
};
};
};
&ap_thermal_cpu1 {
trips {
cpu_active: cpu-active {
temperature = <44000>;
hysteresis = <2000>;
type = "active";
};
};
cooling-maps {
fan-map {
trip = <&cpu_active>;
cooling-device = <&chassis_fan_group0 64 THERMAL_NO_LIMIT>;
};
};
&ap_thermal_ic {
PUZZLE_FAN_THERMAL(ic, &chassis_fan_group0);
};
&cp0_thermal_ic {
PUZZLE_FAN_THERMAL(cp0, &chassis_fan_group0);
};
/* on-board eMMC - U9 */
&ap_sdhci0 {
pinctrl-names = "default";
@ -447,6 +441,10 @@
};
};
&cp1_thermal_ic {
PUZZLE_FAN_THERMAL(cp1, &chassis_fan_group0);
};
/*
* Instantiate the second connected CP115
*/
@ -562,3 +560,7 @@
};
};
};
&cp2_thermal_ic {
PUZZLE_FAN_THERMAL(cp2, &chassis_fan_group0);
};

41
target/linux/mvebu/files/arch/arm64/boot/dts/marvell/puzzle-thermal.dtsi Normal file
View File

@ -0,0 +1,41 @@
#define PUZZLE_FAN_THERMAL(_cname, _fan) \
trips { \
_cname##_active_high: cpu-active-high { \
temperature = <80000>; \
hysteresis = <2000>; \
type = "active"; \
}; \
_cname##_active_med: cpu-active-med { \
temperature = <72000>; \
hysteresis = <2000>; \
type = "active"; \
}; \
_cname##_active_low: cpu-active-low { \
temperature = <65000>; \
hysteresis = <2000>; \
type = "active"; \
}; \
_cname##_active_idle: cpu-active-idle { \
temperature = <60000>; \
hysteresis = <2000>; \
type = "active"; \
}; \
}; \
cooling-maps { \
cpu-active-high { \
trip = <&_cname##_active_high>; \
cooling-device = <_fan 3 THERMAL_NO_LIMIT>; \
}; \
cpu-active-med { \
trip = <&_cname##_active_med>; \
cooling-device = <_fan 2 THERMAL_NO_LIMIT>; \
}; \
cpu-active-low { \
trip = <&_cname##_active_low>; \
cooling-device = <_fan 1 THERMAL_NO_LIMIT>; \
}; \
cpu-active-idle { \
trip = <&_cname##_active_idle>; \
cooling-device = <_fan 0 THERMAL_NO_LIMIT>; \
}; \
}