linux-stable/Documentation/hwmon/lm92.rst
Guenter Roeck 05aa8cbeab hwmon: (lm92) Update documentation
Update datasheet references. Replace misleading 'force parameter needed'
with 'must be instantiated explicitly'. Explain the reason for the missing
auto-detection. Mention all supported chips in Kconfig.

Reviewed-by: Tzung-Bi Shih <tzungbi@kernel.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2024-08-27 08:10:23 -07:00

49 lines
1.2 KiB
ReStructuredText

Kernel driver lm92
==================
Supported chips:
* National Semiconductor / Texas Instruments LM92
Prefix: 'lm92'
Addresses scanned: I2C 0x48 - 0x4b
Datasheet: https://www.ti.com/lit/gpn/LM92
* National Semiconductor / Texas Instruments LM76
Prefix: 'lm92'
Addresses scanned: none, must be instantiated explicitly
Datasheet: https://www.ti.com/lit/gpn/LM76
* Maxim /Analog Devices MAX6633/MAX6634/MAX6635
Prefix: 'max6635'
Addresses scanned: none, must be instantiated explicitly
Datasheet: https://www.analog.com/media/en/technical-documentation/data-sheets/max6633-max6635.pdf
Authors:
- Abraham van der Merwe <abraham@2d3d.co.za>
- Jean Delvare <jdelvare@suse.de>
Description
-----------
This driver implements support for the National Semiconductor / Texas
Instruments LM92 temperature sensor.
Each LM92 temperature sensor supports a single temperature sensor. There are
alarms for high, low, and critical thresholds. There's also an hysteresis to
control the thresholds for resetting alarms.
The driver also supports LM76 and Maxim MAX6633/MAX6634/MAX6635, which are
mostly compatible but do not have a vendor ID register and therefore must be
instantiated explicitly.