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/Documentation/hwmon/
Docc.rst16 sensor data from the processor and the system. The OCC can provide the raw
17 sensor data as well as perform thermal and power management on the system.
32 The OCC sensor ID is an integer that represents the unique identifier of the
33 sensor with respect to the OCC. For example, a temperature sensor for the third
34 DIMM slot in the system may have a sensor ID of 7. This mapping is unavailable
35 to the device driver, which must therefore export the sensor ID as-is.
37 Some entries are only present with certain OCC sensor versions or only on
42 OCC sensor ID.
44 [with temperature sensor version 1]
50 [with temperature sensor version >= 2]
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Dabituguru-datasheet.rst61 in a bank for a sensor is one or more bytes large.
68 number of bytes data per sensor and contents/meaning of those bytes.
70 Although both this document and the kernel driver have kept the sensor
73 a sensor.
100 Sending bank and sensor addresses to the uGuru
110 Once DATA holds 0x08 again write the sensor address to CMD.
116 First send the bank and sensor addresses as described above.
135 First send the bank and sensor addresses as described above.
168 This bank contains 0 sensors, iow the sensor address is ignored (but must be
172 This byte holds the alarm flags for sensor 0-7 of Sensor Bank1, with bit 0
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/Documentation/devicetree/bindings/powerpc/opal/
Dsensor-groups.txt1 IBM OPAL Sensor Groups Binding
4 Node: /ibm,opal/sensor-groups
6 Description: Contains sensor groups available in the Powernv P9
7 servers. Each child node indicates a sensor group.
9 - compatible : Should be "ibm,opal-sensor-group"
13 - type : String to indicate the type of sensor-group
15 - sensor-group-id: Abstract unique identifier provided by firmware of
16 type <u32> which is used for sensor-group
22 - sensors : Phandle array of child nodes of /ibm,opal/sensor/
26 sensor groups like clearing min/max, enabling/disabling sensor
/Documentation/devicetree/bindings/hwmon/
Dibmpowernv.txt6 "ibm,opal-sensor-cooling-fan"
7 "ibm,opal-sensor-amb-temp"
8 "ibm,opal-sensor-power-supply"
9 "ibm,opal-sensor-power"
10 - sensor-id: an opaque id provided by the firmware to the kernel, identifies a
11 given sensor and its attribute data
16 sensor-id = <0x7052107>;
17 compatible = "ibm,opal-sensor-cooling-fan";
21 sensor-id = <0x5096000>;
22 compatible = "ibm,opal-sensor-amb-temp";
/Documentation/devicetree/bindings/media/i2c/
Dmt9v032.txt1 * Aptina 1/3-Inch WVGA CMOS Digital Image Sensor
3 The Aptina MT9V032 is a 1/3-inch CMOS active pixel digital image sensor with
10 (a) "aptina,mt9v022" for MT9V022 color sensor
11 (b) "aptina,mt9v022m" for MT9V022 monochrome sensor
12 (c) "aptina,mt9v024" for MT9V024 color sensor
13 (d) "aptina,mt9v024m" for MT9V024 monochrome sensor
14 (e) "aptina,mt9v032" for MT9V032 color sensor
15 (f) "aptina,mt9v032m" for MT9V032 monochrome sensor
16 (g) "aptina,mt9v034" for MT9V034 color sensor
17 (h) "aptina,mt9v034m" for MT9V034 monochrome sensor
Dimx274.txt1 * Sony 1/2.5-Inch 8.51Mp CMOS Digital Image Sensor
3 The Sony imx274 is a 1/2.5-inch CMOS active pixel digital image sensor with
5 interface. The I2C address is fixed to 0x1a as per sensor data sheet.
11 - compatible: value should be "sony,imx274" for imx274 sensor
15 - reset-gpios: Sensor reset GPIO
22 sensor@1a {
Dnokia,smia.txt1 SMIA/SMIA++ sensor
3 SMIA (Standard Mobile Imaging Architecture) is an image sensor standard
19 - vana-supply: Analogue voltage supply (VANA), typically 2,8 volts (sensor
21 - clocks: External clock to the sensor
22 - clock-frequency: Frequency of the external clock to the sensor
35 - rotation: Integer property; valid values are 0 (sensor mounted upright)
36 and 180 (sensor mounted upside down). See
52 camera-sensor@10 {
Dtoshiba,et8ek8.txt1 Toshiba et8ek8 5MP sensor
3 Toshiba et8ek8 5MP sensor is an image sensor found in Nokia N900 device
15 - clocks: External clock to the sensor
16 - clock-frequency: Frequency of the external clock to the sensor. Camera
19 - reset-gpios: XSHUTDOWN GPIO. The XSHUTDOWN signal is active low. The sensor
/Documentation/media/v4l-drivers/
Dsh_mobile_ceu_camera.rst11 sensor scales: horizontal and vertical scales, configured by the sensor driver
57 (1) to (2) - sensor cropped left or top
58 (2) to (2') - sensor cropped width or height
59 (3) to (3') - sensor scale
62 (5) to (5') - reverse sensor scale applied to CEU cropped width or height
63 (2) to (5) - reverse sensor scale applied to CEU cropped left or top
72 1. Calculate current sensor scales:
76 2. Calculate "effective" input crop (sensor subwindow) - CEU crop scaled back at
77 current sensor scales onto input window - this is user S_CROP:
86 4. Calculate sensor output window by applying combined scales to real input
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Dsoc-camera.rst12 - camera / camera device / camera sensor - a video-camera sensor chip, capable
26 drivers and camera sensor drivers. Later the soc-camera sensor API has been
37 sensor.
44 omap1_camera.c, pxa_camera.c, sh_mobile_ceu_camera.c, and multiple sensor
84 .add and .remove methods are called when a sensor is attached to or detached
86 parameters between the host and the sensor. .init_videobuf2 is called by
98 Sensor drivers can use struct soc_camera_link, typically provided by the
99 platform, and used to specify to which camera host bus the sensor is connected,
121 VIDIOC_S_CROP: sets location and sizes of the sensor window. Unit is one sensor
122 pixel. Changing sensor window sizes preserves any scaling factors, therefore
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/Documentation/hid/
Dhid-sensor.rst4 HID sensor framework provides necessary interfaces to implement sensor drivers,
5 which are connected to a sensor hub. The sensor hub is a HID device and it provides
6 a report descriptor conforming to HID 1.12 sensor usage tables.
8 Description from the HID 1.12 "HID Sensor Usages" specification:
9 "Standardization of HID usages for sensors would allow (but not require) sensor
15 This specification describes many usage IDs, which describe the type of sensor
16 and also the individual data fields. Each sensor can have variable number of
35 The report is indicating "sensor page (0x20)" contains an accelerometer-3D (0x73).
48 an ambient light sensor can send illumination data.
52 - Individual sensor processing part (sensor drivers)
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/Documentation/devicetree/bindings/thermal/
Dnvidia,tegra186-bpmp-thermal.txt1 NVIDIA Tegra186 BPMP thermal sensor
5 and GPU temperatures. This binding describes the thermal sensor that is
11 This node represents a thermal sensor. See thermal.txt for details of the
20 - #thermal-sensor-cells: Cell for sensor index.
31 #thermal-sensor-cells = <1>;
Dthermal.txt25 * Thermal sensor devices
27 Thermal sensor devices are nodes providing temperature sensing capabilities on
29 nodes providing temperature data to thermal zones. Thermal sensor devices may
33 - #thermal-sensor-cells: Used to provide sensor device specific information
34 Type: unsigned while referring to it. Typically 0 on thermal sensor
35 Size: one cell nodes with only one sensor, and at least 1 on nodes
37 to identify uniquely the sensor instances within
39 on how consumers refer to sensor devices.
137 - thermal-sensors: A list of thermal sensor phandles and sensor specifier
139 phandles + sensor
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Dthermal-generic-adc.txt1 General Purpose Analog To Digital Converter (ADC) based thermal sensor.
3 On some of platforms, thermal sensor like thermistors are connected to
4 one of ADC channel and sensor resistance is read via voltage across the
5 sensor resistor. The voltage read across the sensor is mapped to
11 - #thermal-sensor-cells: Should be 1. See ./thermal.txt for a description
40 tboard_thermistor: thermal-sensor {
42 #thermal-sensor-cells = <0>;
44 io-channel-names = "sensor-channel";
Dqcom-tsens.txt1 * QCOM SoC Temperature Sensor (TSENS)
23 - #thermal-sensor-cells : Should be 1. See ./thermal.txt for a description.
29 tsens: thermal-sensor@900000 {
34 #thermal-sensor-cells = <1>;
38 tsens0: thermal-sensor@c263000 {
43 #thermal-sensor-cells = <1>;
47 tsens: thermal-sensor@4a9000 {
54 #thermal-sensor-cells = <1>;
Drcar-gen3-thermal.txt1 * DT bindings for Renesas R-Car Gen3 Thermal Sensor driver
3 On R-Car Gen3 SoCs, the thermal sensor controllers (TSC) control the thermal
15 - reg : Address ranges of the thermal registers. Each sensor
20 - #thermal-sensor-cells : must be <1>.
26 property is mandatory if the thermal sensor instance
41 #thermal-sensor-cells = <1>;
45 sensor_thermal1: sensor-thermal1 {
Dhisilicon-thermal.txt1 * Temperature Sensor on hisilicon SoCs
6 - reg: physical base address of thermal sensor and length of memory mapped
12 - #thermal-sensor-cells: Should be 1. See ./thermal.txt for a description.
23 #thermal-sensor-cells = <1>;
31 #thermal-sensor-cells = <1>;
Dstm32-thermal.txt1 Binding for Thermal Sensor for STMicroelectronics STM32 series of SoCs.
3 On STM32 SoCs, the Digital Temperature Sensor (DTS) is in charge of managing an
18 sensor's registers.
19 clocks: Phandle of the clock used by the thermal sensor.
23 #thermal-sensor-cells: Should be 0. See ./thermal.txt for a description.
59 #thermal-sensor-cells = <0>;
Damazon,al-thermal.txt1 Amazon's Annapurna Labs Thermal Sensor
8 - reg: The physical base address and length of the sensor's registers.
9 - #thermal-sensor-cells: Must be 1. See ./thermal.txt for a description.
15 #thermal-sensor-cells = <0x1>;
/Documentation/ABI/testing/
Dsysfs-bus-iio-cros-ec16 the motion sensor is placed. For example, in a laptop a motion
17 sensor can be located on the base or on the lid. Current valid
26 represents the sensor ID as exposed by the EC. This ID is used
27 by the Android sensor service hardware abstraction layer (sensor
Dsysfs-bus-iio-isl295016 This sensor has an automatic gain control (agc) loop
9 criteria for optimal gain is determined by the sensor.
24 The sensor is able to perform correction of distance
44 Finally, the c constant is set by the sensor
47 The value stored in sensor is displayed when read from.
/Documentation/devicetree/bindings/media/
Dsamsung-s5k6a3.txt1 Samsung S5K6A3(YX) raw image sensor
4 S5K6A3(YX) is a raw image sensor with MIPI CSI-2 and CCP2 image data interfaces
10 - reg : I2C slave address of the sensor;
18 - clock-names : should contain "extclk" entry for the sensor's EXTCLK clock;
33 video-interfaces.txt. The sensor supports only one data lane.
/Documentation/media/uapi/v4l/
Dpixfmt-cnf4.rst9 Depth sensor confidence information as a 4 bits per pixel packed array
15 confidence information in range 0-15 with 0 indicating that the sensor was
17 the specific sensor (actual error margins might change from sensor to sensor).
/Documentation/devicetree/bindings/iio/pressure/
Dzpa2326.txt1 Murata ZPA2326 pressure sensor
3 Pressure sensor from Murata with SPI and I2C bus interfaces.
15 power to the sensor
17 power to the sensor
/Documentation/devicetree/bindings/iio/humidity/
Dhtu21.txt1 …21 - Measurement-Specialties htu21 temperature & humidity sensor and humidity part of MS8607 sensor
6 - reg: I2C address of the sensor

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