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arm: tegra: set hot trips for Tegra124 

Enable throttle function for SOC_THERM.
Set "hot" trips for cpu and gpu thermal zones, which
can trigger the SOC_THERM hardware throttle.

Signed-off-by: Wei Ni <wni@nvidia.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
This commit is contained in:
Wei Ni 2016-05-11 18:20:20 +08:00 committed by Zhang Rui
parent 40823f8e26
commit e12b048c30
1 changed files with 30 additions and 9 deletions
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39
arch/arm/boot/dts/tegra124.dtsi
View File

@ -851,7 +851,9 @@
soctherm: thermal-sensor@700e2000 {
compatible = "nvidia,tegra124-soctherm";
reg = <0x0 0x700e2000 0x0 0x1000>;
reg = <0x0 0x700e2000 0x0 0x600 /* SOC_THERM reg_base */
0x0 0x60006000 0x0 0x400>; /* CAR reg_base */
reg-names = "soctherm-reg", "car-reg";
interrupts = <GIC_SPI 48 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&tegra_car TEGRA124_CLK_TSENSOR>,
<&tegra_car TEGRA124_CLK_SOC_THERM>;
@ -859,6 +861,15 @@
resets = <&tegra_car 78>;
reset-names = "soctherm";
#thermal-sensor-cells = <1>;
throttle-cfgs {
throttle_heavy: heavy {
nvidia,priority = <100>;
nvidia,cpu-throt-percent = <85>;
#cooling-cells = <2>;
};
};
};
dfll: clock@70110000 {
@ -1161,13 +1172,18 @@
hysteresis = <0>;
type = "critical";
};
cpu_throttle_trip: throttle-trip {
temperature = <100000>;
hysteresis = <1000>;
type = "hot";
};
};
cooling-maps {
/*
* There are currently no cooling maps,
* because there are no cooling devices.
*/
map0 {
trip = <&cpu_throttle_trip>;
cooling-device = <&throttle_heavy 1 1>;
};
};
};
@ -1207,13 +1223,18 @@
hysteresis = <0>;
type = "critical";
};
gpu_throttle_trip: throttle-trip {
temperature = <99000>;
hysteresis = <1000>;
type = "hot";
};
};
cooling-maps {
/*
* There are currently no cooling maps,
* because there are no cooling devices.
*/
map0 {
trip = <&gpu_throttle_trip>;
cooling-device = <&throttle_heavy 1 1>;
};
};
};