Re: [PATCH v3,4/8] arm64: dts: mt8183: Configure CPU cooling
From: Michael Kao <hidden>
Date: 2020-02-25 09:34:30
Also in:
linux-mediatek
On Fri, 2020-01-03 at 14:44 +0800, Michael Kao wrote:
quoted hunk ↗ jump to hunk
From: Matthias Kaehlcke <mka@chromium.org> Add two passive trip points at 68°C and 85°C for the CPU temperature. Signed-off-by: Matthias Kaehlcke <mka@chromium.org> Signed-off-by: Michael Kao <redacted> --- arch/arm64/boot/dts/mediatek/mt8183.dtsi | 55 ++++++++++++++++++++++++ 1 file changed, 55 insertions(+)diff --git a/arch/arm64/boot/dts/mediatek/mt8183.dtsi b/arch/arm64/boot/dts/mediatek/mt8183.dtsi index 63378ae14a16..78575c3183a4 100644 --- a/arch/arm64/boot/dts/mediatek/mt8183.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt8183.dtsi@@ -609,6 +609,61 @@ polling-delay = <1000>; thermal-sensors = <&thermal 0>; sustainable-power = <5000>; + + trips { + threshold: trip-point@0 { + temperature = <68000>; + hysteresis = <2000>; + type = "passive"; + }; + + target: trip-point@1 { + temperature = <85000>; + hysteresis = <2000>; + type = "passive"; + }; + + cpu_crit: cpu-crit { + temperature = <115000>; + hysteresis = <2000>; + type = "critical"; + }; + }; + + cooling-maps { + map0 { + trip = <&target>; + 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>; + contribution = <3072>; + }; + map1 { + trip = <&target>; + cooling-device = <&cpu4 + THERMAL_NO_LIMIT + THERMAL_NO_LIMIT>, + <&cpu5 + THERMAL_NO_LIMIT + THERMAL_NO_LIMIT>, + <&cpu6 + THERMAL_NO_LIMIT + THERMAL_NO_LIMIT>, + <&cpu7 + THERMAL_NO_LIMIT + THERMAL_NO_LIMIT>; + contribution = <1024>; + }; + }; }; /* The tzts1 ~ tzts6 don't need to polling */
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