| Kernel driver tmp421 | |
| ==================== | |
| Supported chips: | |
| * Texas Instruments TMP421 | |
| Prefix: 'tmp421' | |
| Addresses scanned: I2C 0x2a, 0x4c, 0x4d, 0x4e and 0x4f | |
| Datasheet: http://focus.ti.com/docs/prod/folders/print/tmp421.html | |
| * Texas Instruments TMP422 | |
| Prefix: 'tmp422' | |
| Addresses scanned: I2C 0x4c, 0x4d, 0x4e and 0x4f | |
| Datasheet: http://focus.ti.com/docs/prod/folders/print/tmp421.html | |
| * Texas Instruments TMP423 | |
| Prefix: 'tmp423' | |
| Addresses scanned: I2C 0x4c and 0x4d | |
| Datasheet: http://focus.ti.com/docs/prod/folders/print/tmp421.html | |
| * Texas Instruments TMP441 | |
| Prefix: 'tmp441' | |
| Addresses scanned: I2C 0x2a, 0x4c, 0x4d, 0x4e and 0x4f | |
| Datasheet: http://www.ti.com/product/tmp441 | |
| * Texas Instruments TMP442 | |
| Prefix: 'tmp442' | |
| Addresses scanned: I2C 0x4c and 0x4d | |
| Datasheet: http://www.ti.com/product/tmp442 | |
| Authors: | |
| Andre Prendel <andre.prendel@gmx.de> | |
| Description | |
| ----------- | |
| This driver implements support for Texas Instruments TMP421, TMP422, | |
| TMP423, TMP441, and TMP442 temperature sensor chips. These chips | |
| implement one local and up to one (TMP421, TMP441), up to two (TMP422, | |
| TMP442) or up to three (TMP423) remote sensors. Temperature is measured | |
| in degrees Celsius. The chips are wired over I2C/SMBus and specified | |
| over a temperature range of -40 to +125 degrees Celsius. Resolution | |
| for both the local and remote channels is 0.0625 degree C. | |
| The chips support only temperature measurement. The driver exports | |
| the temperature values via the following sysfs files: | |
| temp[1-4]_input | |
| temp[2-4]_fault |