Il 29/10/24 11:39, Frank Wunderlich ha scritto:
From: Frank Wunderlich <frank-w@xxxxxxxxxxxxxxx>
Add basic thermal-zone node.
Signed-off-by: Frank Wunderlich <frank-w@xxxxxxxxxxxxxxx>
---
arch/arm64/boot/dts/mediatek/mt7988a.dtsi | 39 +++++++++++++++++++++++
1 file changed, 39 insertions(+)
diff --git a/arch/arm64/boot/dts/mediatek/mt7988a.dtsi b/arch/arm64/boot/dts/mediatek/mt7988a.dtsi
index de9a9ff2edd8..a3a7deda35a5 100644
--- a/arch/arm64/boot/dts/mediatek/mt7988a.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt7988a.dtsi
@@ -379,6 +379,45 @@ clock-controller@15031000 {
};
};
+ thermal-zones {
+ cpu_thermal: cpu-thermal {
+ polling-delay-passive = <1000>;
+ polling-delay = <1000>;
+ thermal-sensors = <&lvts 0>;
+ trips {
+ cpu_trip_crit: crit {
+ temperature = <125000>;
+ hysteresis = <2000>;
+ type = "critical";
+ };
No, please just add "crit" - as that is the one that is used to not let the
SoC to reach Tj.
All of the others are board specific, so the trips down there (hot->low) are
to be added to your board dts instead.
Cheers,
Angelo
+
+ cpu_trip_hot: hot {
+ temperature = <120000>;
+ hysteresis = <2000>;
+ type = "hot";
+ };
+
+ cpu_trip_active_high: active-high {
+ temperature = <115000>;
+ hysteresis = <2000>;
+ type = "active";
+ };
+
+ cpu_trip_active_med: active-med {
+ temperature = <85000>;
+ hysteresis = <2000>;
+ type = "active";
+ };
+
+ cpu_trip_active_low: active-low {
+ temperature = <40000>;
+ hysteresis = <2000>;
+ type = "active";
+ };
+ };
+ };
+ };
+
timer {
compatible = "arm,armv8-timer";
interrupt-parent = <&gic>;
