compatible = "onnn,nct1008";
reg = <0x4c>;
vcc-supply = <&vdd_3v3_sys>;
+
+ interrupt-parent = <&gpio>;
+ interrupts = <TEGRA_GPIO(S, 3) IRQ_TYPE_EDGE_FALLING>;
+
#thermal-sensor-cells = <1>;
};
compatible = "ti,bq27541";
reg = <0x55>;
power-supplies = <&power_supply>;
- monitored-battery = <&battery_cell>;
};
power_supply: charger@6a {
};
thermal-zones {
+ /*
+ * NCT72 has two sensors:
+ *
+ * 0: internal that monitors ambient/skin temperature
+ * 1: external that is connected to the CPU's diode
+ *
+ * Ideally we should use userspace thermal governor,
+ * but it's a much more complex solution. The "skin"
+ * zone is a simpler solution which prevents Nexus 7
+ * from getting too hot from a user's tactile perspective.
+ * The CPU zone is intended to protect silicon from damage.
+ */
+
skin-thermal {
polling-delay-passive = <1000>; /* milliseconds */
- polling-delay = <0>; /* milliseconds */
+ polling-delay = <5000>; /* milliseconds */
thermal-sensors = <&nct72 0>;
+
+ trips {
+ trip0: skin-alert {
+ /* throttle at 57C until temperature drops to 56.8C */
+ temperature = <57000>;
+ hysteresis = <200>;
+ type = "passive";
+ };
+
+ trip1: skin-crit {
+ /* shut down at 65C */
+ temperature = <65000>;
+ hysteresis = <2000>;
+ type = "critical";
+ };
+ };
+
+ cooling-maps {
+ map0 {
+ trip = <&trip0>;
+ 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>,
+ <&actmon THERMAL_NO_LIMIT
+ THERMAL_NO_LIMIT>;
+ };
+ };
};
cpu-thermal {
thermal-sensors = <&nct72 1>;
trips {
- trip0: cpu-alert0 {
- /* throttle at 57C until temperature drops to 56.8C */
- temperature = <57000>;
+ trip2: cpu-alert {
+ /* throttle at 85C until temperature drops to 84.8C */
+ temperature = <85000>;
hysteresis = <200>;
type = "passive";
};
- trip1: cpu-crit {
- /* shut down at 60C */
- temperature = <60000>;
+ trip3: cpu-crit {
+ /* shut down at 90C */
+ temperature = <90000>;
hysteresis = <2000>;
type = "critical";
};
};
cooling-maps {
- map0 {
- trip = <&trip0>;
+ map1 {
+ trip = <&trip2>;
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>;
+ <&cpu3 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&actmon THERMAL_NO_LIMIT
+ THERMAL_NO_LIMIT>;
};
};
};