[PATCH v2 3/3] arm64: dts: amlogic: ad402: setup thermal-zones
Dmitry Rokosov
ddrokosov at salutedevices.com
Thu Mar 28 12:26:37 PDT 2024
There is one thermal zone with 3 trip points: soc_passive, soc_hot, and
soc_critical, as well as two cooling maps.
Signed-off-by: Dmitry Rokosov <ddrokosov at salutedevices.com>
---
.../arm64/boot/dts/amlogic/meson-a1-ad402.dts | 45 +++++++++++++++++++
1 file changed, 45 insertions(+)
diff --git a/arch/arm64/boot/dts/amlogic/meson-a1-ad402.dts b/arch/arm64/boot/dts/amlogic/meson-a1-ad402.dts
index 6c02301840ff..2d22e8b45c6d 100644
--- a/arch/arm64/boot/dts/amlogic/meson-a1-ad402.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-a1-ad402.dts
@@ -7,6 +7,7 @@
/dts-v1/;
#include "meson-a1.dtsi"
+#include <dt-bindings/thermal/thermal.h>
#include <dt-bindings/gpio/gpio.h>
@@ -177,6 +178,50 @@ codec {
};
};
};
+
+ thermal-zones {
+ soc_thermal: soc_thermal {
+ polling-delay = <1000>;
+ polling-delay-passive = <100>;
+ sustainable-power = <130>;
+
+ thermal-sensors = <&cpu_temp>;
+
+ trips {
+ soc_passive: soc-passive {
+ temperature = <70000>;
+ hysteresis = <2000>;
+ type = "passive";
+ };
+
+ soc_hot: soc-hot {
+ temperature = <85000>;
+ hysteresis = <5000>;
+ type = "hot";
+ };
+
+ soc_critical: soc-critical {
+ temperature = <110000>;
+ hysteresis = <1000>;
+ type = "critical";
+ };
+ };
+
+ soc_cooling_maps: cooling-maps {
+ map0 {
+ trip = <&soc_passive>;
+ cooling-device = <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&cpu1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+ };
+
+ map1 {
+ trip = <&soc_hot>;
+ cooling-device = <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&cpu1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+ };
+ };
+ };
+ };
};
/* Bluetooth HCI H4 */
--
2.43.0
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