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LM75SW-LINUX

Linux Driver for I2C temperature sensors

LM75SW-LINUX

Overview

The Linux driver support LM75 compatible Temperature Sensors. The Linux driver supports communication through the I2C bus and interfaces with the Hardware Monitoring sub-system.

Linux Mainline Status

Available in Linux Main line: Yes
Available through git.ti.com: N/A

Supported Devices:
  • LM75A
  • TMP100
  • TMP101
  • TMP105
  • TMP112
  • TMP175
  • TMP275
  • TMP75
  • TMP1075
Linux Source Files

The files associated with this device are:

  1. drivers/hwmon/lm75.c
  2. Documentation/devicetree/bindings/i2c/trivial-devices.txt
  3. drivers/hwmon/lm75.h
  4. Documentation/hwmon/lm75
Source Files

drivers/hwmon/lm75.c

Linux Device Tree Documentation

Documentation/devicetree/bindings/i2c/trivial-devices.txt

Other Files

drivers/hwmon/lm75.h
Documentation/hwmon/lm75

 

Enabling Driver Support

Configure kernel with "make menuconfig" (alternatively use "make xconfig" or"make nconfig")

Menuconfig Location

Symbol: SENSORS_LM75 [=y]Type  : tristatePrompt: National Semiconductor LM75 and compatibles  Location:    -> Device Drivers      -> Hardware Monitoring support (HWMON [=y])  Defined at drivers/hwmon/Kconfig:923  Depends on: HWMON [=y] && I2C [=y] && (THERMAL [=y] || !THERMAL_OF [=y])

Fixes and Code Enhancements

 

If there are fixes and or code enhancements that need to be added to thisdriver please either1. Send the patches to the relevant Linux Kernel community as listed in the maintainers file located: Hereor2.  Contact your TI representative.

 
Digital temperature sensors
LM75A — 2C industry standard temperature sensor, I2C/SMBus interface TMP100 — 2C digital temperature sensor, I2C/SMBus interface in SOT-23 package TMP101 — ±2°C Digital temperature sensor with I2C/SMBus interface and alert in SOT-23 TMP105 — ±2°C, 2.6V to 3.3V digital temperature sensor with I2C/SMBus interface & Alert fun TMP1075 — 1°C I²C temperature sensor with performance upgrades to industry standard LM75 / TMP75 TMP112 — ±0.5°C 1.4V to 3.6V digital temperature sensor with I2C/SMBus in 2.56mm2 package TMP175 — Temperature Sensor with 27 I2C/SMBus Addresses in Industry Standard LM75 Form Factor & Pinout TMP175-Q1 — Automotive Temp. Sensor with 27 I2C/SMBus Addresses in Industry Standard LM75 Form Factor & Pinout TMP275 — ±0.5°C Temperature Sensor with I2C/SMBus Interface in Industry Std LM75 Form Factor & Pinout TMP275-Q1 — Automotive ±0.75°C Temp Sensor with I2C/SMBus Interface in Industry Std LM75 Form Factor & Pinout TMP75 — 1C digital temperature sensor, I2C/SMBus in industry standard LM75 form factor TMP75-Q1 — Automotive Temp Sensor with I2C/SMBus Interface in Industry Standard LM75 Form Factor & Pinout
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