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Linux Driver for TMP421
TMP421SW-LINUX
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Description & Features

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Description

The Linux driver supports the TMP421 series of Remote and Local Temp 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:
  • tmp421
  • tmp422
  • tmp423
  • tmp441
  • tmp442
Linux Source Files

The files associated with this device are:

  1. drivers/hwmon/tmp421.c
  2. Documentation/hwmon/tmp421
Source Files

drivers/hwmon/tmp421.c

Other Files

Documentation/hwmon/tmp421

 

Enabling Driver Support

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

Menuconfig Location

Symbol: SENSORS_TMP421 [=y]
Type  : tristate
Prompt: Texas Instruments TMP421 and compatible
  Location:
    -> Device Drivers
      -> Hardware Monitoring support (HWMON [=y])
  Defined at drivers/hwmon/Kconfig:1518
  Depends on: HWMON [=y] && I2C [=y]

Fixes and Code Enhancements

 

If there are fixes and or code enhancements that need to be added to this
driver please either

1. Send the patches to the relevant Linux Kernel community as listed in the maintainers file located: Here

or

2.  Contact your TI representative.

 

 

TI Devices (8)

Part Number Name Product Family
TMP421  Remote and Local Temperature Sensor with N-Factor and Series-R Correction in WCSP  Temperature sensors 
TMP421-Q1  AEC-Q100 Automotive 1Ch Remote Temperature Sensor  Temperature sensors 
TMP422  Dual Remote and Local Temperature Sensor with N-Factor and Series-R Correction in WCSP  Temperature sensors 
TMP422-Q1  AEC-Q100 Automotive 2Ch Remote Temperature Sensor  Temperature sensors 
TMP423  Triple Remote and Local Temperature Sensor with N-Factor and Series-R Correction  Temperature sensors 
TMP423-Q1  AEC-Q100 Automotive 3Ch Remote Temperature Sensor  Temperature sensors 
TMP441  Multi-Address Remote and Local Temp Sensor with Auto Beta, N-Factor and Series-R Correction in SOT23  Temperature sensors 
TMP442  Dual Remote and Local Temp Sensor with Auto Beta, N-Factor and Series-R Correction in SOT-23  Temperature sensors 

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