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-rw-r--r--Documentation/devicetree/bindings/thermal/hisilicon-thermal.txt23
-rw-r--r--Documentation/devicetree/bindings/thermal/qcom-spmi-temp-alarm.txt57
-rw-r--r--Documentation/devicetree/bindings/thermal/thermal.txt9
3 files changed, 89 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/thermal/hisilicon-thermal.txt b/Documentation/devicetree/bindings/thermal/hisilicon-thermal.txt
new file mode 100644
index 000000000..d48fc5280
--- /dev/null
+++ b/Documentation/devicetree/bindings/thermal/hisilicon-thermal.txt
@@ -0,0 +1,23 @@
+* Temperature Sensor on hisilicon SoCs
+
+** Required properties :
+
+- compatible: "hisilicon,tsensor".
+- reg: physical base address of thermal sensor and length of memory mapped
+ region.
+- interrupt: The interrupt number to the cpu. Defines the interrupt used
+ by /SOCTHERM/tsensor.
+- clock-names: Input clock name, should be 'thermal_clk'.
+- clocks: phandles for clock specified in "clock-names" property.
+- #thermal-sensor-cells: Should be 1. See ./thermal.txt for a description.
+
+Example :
+
+ tsensor: tsensor@0,f7030700 {
+ compatible = "hisilicon,tsensor";
+ reg = <0x0 0xf7030700 0x0 0x1000>;
+ interrupts = <0 7 0x4>;
+ clocks = <&sys_ctrl HI6220_TSENSOR_CLK>;
+ clock-names = "thermal_clk";
+ #thermal-sensor-cells = <1>;
+ }
diff --git a/Documentation/devicetree/bindings/thermal/qcom-spmi-temp-alarm.txt b/Documentation/devicetree/bindings/thermal/qcom-spmi-temp-alarm.txt
new file mode 100644
index 000000000..290ec06fa
--- /dev/null
+++ b/Documentation/devicetree/bindings/thermal/qcom-spmi-temp-alarm.txt
@@ -0,0 +1,57 @@
+Qualcomm QPNP PMIC Temperature Alarm
+
+QPNP temperature alarm peripherals are found inside of Qualcomm PMIC chips
+that utilize the Qualcomm SPMI implementation. These peripherals provide an
+interrupt signal and status register to identify high PMIC die temperature.
+
+Required properties:
+- compatible: Should contain "qcom,spmi-temp-alarm".
+- reg: Specifies the SPMI address and length of the controller's
+ registers.
+- interrupts: PMIC temperature alarm interrupt.
+- #thermal-sensor-cells: Should be 0. See thermal.txt for a description.
+
+Optional properties:
+- io-channels: Should contain IIO channel specifier for the ADC channel,
+ which report chip die temperature.
+- io-channel-names: Should contain "thermal".
+
+Example:
+
+ pm8941_temp: thermal-alarm@2400 {
+ compatible = "qcom,spmi-temp-alarm";
+ reg = <0x2400 0x100>;
+ interrupts = <0 0x24 0 IRQ_TYPE_EDGE_RISING>;
+ #thermal-sensor-cells = <0>;
+
+ io-channels = <&pm8941_vadc VADC_DIE_TEMP>;
+ io-channel-names = "thermal";
+ };
+
+ thermal-zones {
+ pm8941 {
+ polling-delay-passive = <250>;
+ polling-delay = <1000>;
+
+ thermal-sensors = <&pm8941_temp>;
+
+ trips {
+ passive {
+ temperature = <1050000>;
+ hysteresis = <2000>;
+ type = "passive";
+ };
+ alert {
+ temperature = <125000>;
+ hysteresis = <2000>;
+ type = "hot";
+ };
+ crit {
+ temperature = <145000>;
+ hysteresis = <2000>;
+ type = "critical";
+ };
+ };
+ };
+ };
+
diff --git a/Documentation/devicetree/bindings/thermal/thermal.txt b/Documentation/devicetree/bindings/thermal/thermal.txt
index 29fe0bfae..8a49362de 100644
--- a/Documentation/devicetree/bindings/thermal/thermal.txt
+++ b/Documentation/devicetree/bindings/thermal/thermal.txt
@@ -167,6 +167,13 @@ Optional property:
by means of sensor ID. Additional coefficients are
interpreted as constant offset.
+- sustainable-power: An estimate of the sustainable power (in mW) that the
+ Type: unsigned thermal zone can dissipate at the desired
+ Size: one cell control temperature. For reference, the
+ sustainable power of a 4'' phone is typically
+ 2000mW, while on a 10'' tablet is around
+ 4500mW.
+
Note: The delay properties are bound to the maximum dT/dt (temperature
derivative over time) in two situations for a thermal zone:
(i) - when passive cooling is activated (polling-delay-passive); and
@@ -546,6 +553,8 @@ thermal-zones {
*/
coefficients = <1200 -345 890>;
+ sustainable-power = <2500>;
+
trips {
/* Trips are based on resulting linear equation */
cpu_trip: cpu-trip {