Loading Documentation/devicetree/bindings/thermal/rcar-thermal.txt +0 −1 Original line number Diff line number Diff line Loading @@ -11,7 +11,6 @@ Required properties: - "renesas,thermal-r8a7791" (R-Car M2-W) - "renesas,thermal-r8a7792" (R-Car V2H) - "renesas,thermal-r8a7793" (R-Car M2-N) - "renesas,thermal-r8a7794" (R-Car E2) - reg : Address range of the thermal registers. The 1st reg will be recognized as common register if it has "interrupts". Loading Documentation/devicetree/bindings/thermal/tango-thermal.txt 0 → 100644 +17 −0 Original line number Diff line number Diff line * Tango Thermal The SMP8758 SoC includes 3 instances of this temperature sensor (in the CPU, video decoder, and PCIe controller). Required properties: - #thermal-sensor-cells: Should be 0 (see thermal.txt) - compatible: "sigma,smp8758-thermal" - reg: Address range of the thermal registers Example: cpu_temp: thermal@920100 { #thermal-sensor-cells = <0>; compatible = "sigma,smp8758-thermal"; reg = <0x920100 12>; }; Documentation/devicetree/bindings/thermal/tegra-soctherm.txt +12 −0 Original line number Diff line number Diff line Loading @@ -26,6 +26,10 @@ Required properties : of this property. See <dt-bindings/thermal/tegra124-soctherm.h> for a list of valid values when referring to thermal sensors. Note: - the "critical" type trip points will be set to SOC_THERM hardware as the shut down temperature. Once the temperature of this thermal zone is higher than it, the system will be shutdown or reset by hardware. Example : Loading @@ -51,5 +55,13 @@ Example: referring to thermal sensors : thermal-sensors = <&soctherm TEGRA124_SOCTHERM_SENSOR_CPU>; trips { cpu_shutdown_trip: shutdown-trip { temperature = <102500>; hysteresis = <1000>; type = "critical"; }; }; }; }; Documentation/devicetree/bindings/thermal/thermal-generic-adc.txt 0 → 100644 +89 −0 Original line number Diff line number Diff line General Purpose Analog To Digital Converter (ADC) based thermal sensor. On some of platforms, thermal sensor like thermistors are connected to one of ADC channel and sensor resistance is read via voltage across the sensor resistor. The voltage read across the sensor is mapped to temperature using voltage-temperature lookup table. Required properties: =================== - compatible: Must be "generic-adc-thermal". - temperature-lookup-table: Two dimensional array of Integer; lookup table to map the relation between ADC value and temperature. When ADC is read, the value is looked up on the table to get the equivalent temperature. The first value of the each row of array is the temperature in milliCelsius and second value of the each row of array is the ADC read value. - #thermal-sensor-cells: Should be 1. See ./thermal.txt for a description of this property. Example : #include <dt-bindings/thermal/thermal.h> i2c@7000c400 { ads1015: ads1015@4a { reg = <0x4a>; compatible = "ads1015"; sampling-frequency = <3300>; #io-channel-cells = <1>; }; }; tboard_thermistor: thermal-sensor { compatible = "generic-adc-thermal"; #thermal-sensor-cells = <0>; io-channels = <&ads1015 1>; io-channel-names = "sensor-channel"; temperature-lookup-table = < (-40000) 2578 (-39000) 2577 (-38000) 2576 (-37000) 2575 (-36000) 2574 (-35000) 2573 (-34000) 2572 (-33000) 2571 (-32000) 2569 (-31000) 2568 (-30000) 2567 :::::::::: 118000 254 119000 247 120000 240 121000 233 122000 226 123000 220 124000 214 125000 208>; }; dummy_cool_dev: dummy-cool-dev { compatible = "dummy-cooling-dev"; #cooling-cells = <2>; /* min followed by max */ }; thermal-zones { Tboard { polling-delay = <15000>; /* milliseconds */ polling-delay-passive = <0>; /* milliseconds */ thermal-sensors = <&tboard_thermistor>; trips { therm_est_trip: therm_est_trip { temperature = <40000>; type = "active"; hysteresis = <1000>; }; }; cooling-maps { map0 { trip = <&therm_est_trip>; cooling-device = <&dummy_cool_dev THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; contribution = <100>; }; }; }; }; Documentation/thermal/sysfs-api.txt +22 −22 Original line number Diff line number Diff line Loading @@ -69,8 +69,8 @@ temperature) and throttle appropriate devices. 1.1.2 void thermal_zone_device_unregister(struct thermal_zone_device *tz) This interface function removes the thermal zone device. It deletes the corresponding entry form /sys/class/thermal folder and unbind all the thermal cooling devices it uses. It deletes the corresponding entry from /sys/class/thermal folder and unbinds all the thermal cooling devices it uses. 1.1.3 struct thermal_zone_device *thermal_zone_of_sensor_register( struct device *dev, int sensor_id, void *data, Loading Loading @@ -146,32 +146,32 @@ temperature) and throttle appropriate devices. This interface function adds a new thermal cooling device (fan/processor/...) to /sys/class/thermal/ folder as cooling_device[0-*]. It tries to bind itself to all the thermal zone devices register at the same time. to all the thermal zone devices registered at the same time. name: the cooling device name. devdata: device private data. ops: thermal cooling devices call-backs. .get_max_state: get the Maximum throttle state of the cooling device. .get_cur_state: get the Current throttle state of the cooling device. .get_cur_state: get the Currently requested throttle state of the cooling device. .set_cur_state: set the Current throttle state of the cooling device. 1.2.2 void thermal_cooling_device_unregister(struct thermal_cooling_device *cdev) This interface function remove the thermal cooling device. It deletes the corresponding entry form /sys/class/thermal folder and unbind itself from all the thermal zone devices using it. This interface function removes the thermal cooling device. It deletes the corresponding entry from /sys/class/thermal folder and unbinds itself from all the thermal zone devices using it. 1.3 interface for binding a thermal zone device with a thermal cooling device 1.3.1 int thermal_zone_bind_cooling_device(struct thermal_zone_device *tz, int trip, struct thermal_cooling_device *cdev, unsigned long upper, unsigned long lower, unsigned int weight); This interface function bind a thermal cooling device to the certain trip This interface function binds a thermal cooling device to a particular trip point of a thermal zone device. This function is usually called in the thermal zone device .bind callback. tz: the thermal zone device cdev: thermal cooling device trip: indicates which trip point the cooling devices is associated with in this thermal zone. trip: indicates which trip point in this thermal zone the cooling device is associated with. upper:the Maximum cooling state for this trip point. THERMAL_NO_LIMIT means no upper limit, and the cooling device can be in max_state. Loading @@ -184,13 +184,13 @@ temperature) and throttle appropriate devices. 1.3.2 int thermal_zone_unbind_cooling_device(struct thermal_zone_device *tz, int trip, struct thermal_cooling_device *cdev); This interface function unbind a thermal cooling device from the certain This interface function unbinds a thermal cooling device from a particular trip point of a thermal zone device. This function is usually called in the thermal zone device .unbind callback. tz: the thermal zone device cdev: thermal cooling device trip: indicates which trip point the cooling devices is associated with in this thermal zone. trip: indicates which trip point in this thermal zone the cooling device is associated with. 1.4 Thermal Zone Parameters 1.4.1 struct thermal_bind_params Loading @@ -210,13 +210,13 @@ temperature) and throttle appropriate devices. this thermal zone and cdev, for a particular trip point. If nth bit is set, then the cdev and thermal zone are bound for trip point n. .limits: This is an array of cooling state limits. Must have exactly 2 * thermal_zone.number_of_trip_points. It is an array consisting of tuples <lower-state upper-state> of state limits. Each trip will be associated with one state limit tuple when binding. A NULL pointer means <THERMAL_NO_LIMITS THERMAL_NO_LIMITS> on all trips. These limits are used when binding a cdev to a trip point. .binding_limits: This is an array of cooling state limits. Must have exactly 2 * thermal_zone.number_of_trip_points. It is an array consisting of tuples <lower-state upper-state> of state limits. Each trip will be associated with one state limit tuple when binding. A NULL pointer means <THERMAL_NO_LIMITS THERMAL_NO_LIMITS> on all trips. These limits are used when binding a cdev to a trip point. .match: This call back returns success(0) if the 'tz and cdev' need to be bound, as per platform data. 1.4.2 struct thermal_zone_params Loading Loading @@ -351,8 +351,8 @@ cdev[0-*] RO, Optional cdev[0-*]_trip_point The trip point with which cdev[0-*] is associated in this thermal zone; -1 means the cooling device is not associated with any trip The trip point in this thermal zone which cdev[0-*] is associated with; -1 means the cooling device is not associated with any trip point. RO, Optional Loading Loading
Documentation/devicetree/bindings/thermal/rcar-thermal.txt +0 −1 Original line number Diff line number Diff line Loading @@ -11,7 +11,6 @@ Required properties: - "renesas,thermal-r8a7791" (R-Car M2-W) - "renesas,thermal-r8a7792" (R-Car V2H) - "renesas,thermal-r8a7793" (R-Car M2-N) - "renesas,thermal-r8a7794" (R-Car E2) - reg : Address range of the thermal registers. The 1st reg will be recognized as common register if it has "interrupts". Loading
Documentation/devicetree/bindings/thermal/tango-thermal.txt 0 → 100644 +17 −0 Original line number Diff line number Diff line * Tango Thermal The SMP8758 SoC includes 3 instances of this temperature sensor (in the CPU, video decoder, and PCIe controller). Required properties: - #thermal-sensor-cells: Should be 0 (see thermal.txt) - compatible: "sigma,smp8758-thermal" - reg: Address range of the thermal registers Example: cpu_temp: thermal@920100 { #thermal-sensor-cells = <0>; compatible = "sigma,smp8758-thermal"; reg = <0x920100 12>; };
Documentation/devicetree/bindings/thermal/tegra-soctherm.txt +12 −0 Original line number Diff line number Diff line Loading @@ -26,6 +26,10 @@ Required properties : of this property. See <dt-bindings/thermal/tegra124-soctherm.h> for a list of valid values when referring to thermal sensors. Note: - the "critical" type trip points will be set to SOC_THERM hardware as the shut down temperature. Once the temperature of this thermal zone is higher than it, the system will be shutdown or reset by hardware. Example : Loading @@ -51,5 +55,13 @@ Example: referring to thermal sensors : thermal-sensors = <&soctherm TEGRA124_SOCTHERM_SENSOR_CPU>; trips { cpu_shutdown_trip: shutdown-trip { temperature = <102500>; hysteresis = <1000>; type = "critical"; }; }; }; };
Documentation/devicetree/bindings/thermal/thermal-generic-adc.txt 0 → 100644 +89 −0 Original line number Diff line number Diff line General Purpose Analog To Digital Converter (ADC) based thermal sensor. On some of platforms, thermal sensor like thermistors are connected to one of ADC channel and sensor resistance is read via voltage across the sensor resistor. The voltage read across the sensor is mapped to temperature using voltage-temperature lookup table. Required properties: =================== - compatible: Must be "generic-adc-thermal". - temperature-lookup-table: Two dimensional array of Integer; lookup table to map the relation between ADC value and temperature. When ADC is read, the value is looked up on the table to get the equivalent temperature. The first value of the each row of array is the temperature in milliCelsius and second value of the each row of array is the ADC read value. - #thermal-sensor-cells: Should be 1. See ./thermal.txt for a description of this property. Example : #include <dt-bindings/thermal/thermal.h> i2c@7000c400 { ads1015: ads1015@4a { reg = <0x4a>; compatible = "ads1015"; sampling-frequency = <3300>; #io-channel-cells = <1>; }; }; tboard_thermistor: thermal-sensor { compatible = "generic-adc-thermal"; #thermal-sensor-cells = <0>; io-channels = <&ads1015 1>; io-channel-names = "sensor-channel"; temperature-lookup-table = < (-40000) 2578 (-39000) 2577 (-38000) 2576 (-37000) 2575 (-36000) 2574 (-35000) 2573 (-34000) 2572 (-33000) 2571 (-32000) 2569 (-31000) 2568 (-30000) 2567 :::::::::: 118000 254 119000 247 120000 240 121000 233 122000 226 123000 220 124000 214 125000 208>; }; dummy_cool_dev: dummy-cool-dev { compatible = "dummy-cooling-dev"; #cooling-cells = <2>; /* min followed by max */ }; thermal-zones { Tboard { polling-delay = <15000>; /* milliseconds */ polling-delay-passive = <0>; /* milliseconds */ thermal-sensors = <&tboard_thermistor>; trips { therm_est_trip: therm_est_trip { temperature = <40000>; type = "active"; hysteresis = <1000>; }; }; cooling-maps { map0 { trip = <&therm_est_trip>; cooling-device = <&dummy_cool_dev THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; contribution = <100>; }; }; }; };
Documentation/thermal/sysfs-api.txt +22 −22 Original line number Diff line number Diff line Loading @@ -69,8 +69,8 @@ temperature) and throttle appropriate devices. 1.1.2 void thermal_zone_device_unregister(struct thermal_zone_device *tz) This interface function removes the thermal zone device. It deletes the corresponding entry form /sys/class/thermal folder and unbind all the thermal cooling devices it uses. It deletes the corresponding entry from /sys/class/thermal folder and unbinds all the thermal cooling devices it uses. 1.1.3 struct thermal_zone_device *thermal_zone_of_sensor_register( struct device *dev, int sensor_id, void *data, Loading Loading @@ -146,32 +146,32 @@ temperature) and throttle appropriate devices. This interface function adds a new thermal cooling device (fan/processor/...) to /sys/class/thermal/ folder as cooling_device[0-*]. It tries to bind itself to all the thermal zone devices register at the same time. to all the thermal zone devices registered at the same time. name: the cooling device name. devdata: device private data. ops: thermal cooling devices call-backs. .get_max_state: get the Maximum throttle state of the cooling device. .get_cur_state: get the Current throttle state of the cooling device. .get_cur_state: get the Currently requested throttle state of the cooling device. .set_cur_state: set the Current throttle state of the cooling device. 1.2.2 void thermal_cooling_device_unregister(struct thermal_cooling_device *cdev) This interface function remove the thermal cooling device. It deletes the corresponding entry form /sys/class/thermal folder and unbind itself from all the thermal zone devices using it. This interface function removes the thermal cooling device. It deletes the corresponding entry from /sys/class/thermal folder and unbinds itself from all the thermal zone devices using it. 1.3 interface for binding a thermal zone device with a thermal cooling device 1.3.1 int thermal_zone_bind_cooling_device(struct thermal_zone_device *tz, int trip, struct thermal_cooling_device *cdev, unsigned long upper, unsigned long lower, unsigned int weight); This interface function bind a thermal cooling device to the certain trip This interface function binds a thermal cooling device to a particular trip point of a thermal zone device. This function is usually called in the thermal zone device .bind callback. tz: the thermal zone device cdev: thermal cooling device trip: indicates which trip point the cooling devices is associated with in this thermal zone. trip: indicates which trip point in this thermal zone the cooling device is associated with. upper:the Maximum cooling state for this trip point. THERMAL_NO_LIMIT means no upper limit, and the cooling device can be in max_state. Loading @@ -184,13 +184,13 @@ temperature) and throttle appropriate devices. 1.3.2 int thermal_zone_unbind_cooling_device(struct thermal_zone_device *tz, int trip, struct thermal_cooling_device *cdev); This interface function unbind a thermal cooling device from the certain This interface function unbinds a thermal cooling device from a particular trip point of a thermal zone device. This function is usually called in the thermal zone device .unbind callback. tz: the thermal zone device cdev: thermal cooling device trip: indicates which trip point the cooling devices is associated with in this thermal zone. trip: indicates which trip point in this thermal zone the cooling device is associated with. 1.4 Thermal Zone Parameters 1.4.1 struct thermal_bind_params Loading @@ -210,13 +210,13 @@ temperature) and throttle appropriate devices. this thermal zone and cdev, for a particular trip point. If nth bit is set, then the cdev and thermal zone are bound for trip point n. .limits: This is an array of cooling state limits. Must have exactly 2 * thermal_zone.number_of_trip_points. It is an array consisting of tuples <lower-state upper-state> of state limits. Each trip will be associated with one state limit tuple when binding. A NULL pointer means <THERMAL_NO_LIMITS THERMAL_NO_LIMITS> on all trips. These limits are used when binding a cdev to a trip point. .binding_limits: This is an array of cooling state limits. Must have exactly 2 * thermal_zone.number_of_trip_points. It is an array consisting of tuples <lower-state upper-state> of state limits. Each trip will be associated with one state limit tuple when binding. A NULL pointer means <THERMAL_NO_LIMITS THERMAL_NO_LIMITS> on all trips. These limits are used when binding a cdev to a trip point. .match: This call back returns success(0) if the 'tz and cdev' need to be bound, as per platform data. 1.4.2 struct thermal_zone_params Loading Loading @@ -351,8 +351,8 @@ cdev[0-*] RO, Optional cdev[0-*]_trip_point The trip point with which cdev[0-*] is associated in this thermal zone; -1 means the cooling device is not associated with any trip The trip point in this thermal zone which cdev[0-*] is associated with; -1 means the cooling device is not associated with any trip point. RO, Optional Loading