@@ -29,6 +29,52 @@ backlight {
pinctrl-0 = <&edp_bl_en>, <&edp_bl_pwm>;
};
+ thermal-zones {
+ skin-temp-thermal {
+ polling-delay-passive = <250>;
+ polling-delay = <0>;
+ thermal-sensors = <&pmk8280_adc_tm 5>;
+
+ trips {
+ skin_temp_alert0: trip-point0 {
+ temperature = <55000>;
+ hysteresis = <1000>;
+ type = "passive";
+ };
+
+ skin_temp_alert1: trip-point1 {
+ temperature = <58000>;
+ hysteresis = <1000>;
+ type = "passive";
+ };
+
+ skin-temp-crit {
+ temperature = <73000>;
+ hysteresis = <1000>;
+ type = "critical";
+ };
+ };
+
+ cooling-maps {
+ map0 {
+ trip = <&skin_temp_alert0>;
+ 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>;
+ };
+
+ map1 {
+ trip = <&skin_temp_alert1>;
+ 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>;
+ };
+ };
+ };
+ };
+
vreg_edp_bl: regulator-edp-bl {
compatible = "regulator-fixed";
Add thermal zone support by making use of the thermistor SYS_THERM6. Based on experiments, this thermistor seems to reflect the actual surface temperature of the laptop. For the cooling device, all BIG CPU cores are throttle down to keep the temperature at a sane level. Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> --- .../qcom/sc8280xp-lenovo-thinkpad-x13s.dts | 46 +++++++++++++++++++ 1 file changed, 46 insertions(+)