Commit 7808c934 authored by Markus Reichl's avatar Markus Reichl Committed by Jonathan Corbet
Browse files

w1: w1_therm: Document Maxim MAX31850 thermoelement IF. 



w1_therm driver supports now MAX31850, too. Add it to documentation
and fix a small typo.

Signed-off-by: default avatarMarkus Reichl <m.reichl@fivetechno.de>
Signed-off-by: default avatarJonathan Corbet <corbet@lwn.net>
parent ca3d0b5d

Documentation/w1/slaves/w1_therm.rst

+7 −2
Original line number Diff line number Diff line
@@ -6,7 +6,8 @@ Supported chips: 


  * Maxim ds18*20 based temperature sensors.

  * Maxim ds1825 based temperature sensors.

  * GXCAS GC20MH01 temperature sensor.

  * GXCAS GX20MH01 temperature sensor.

  * Maxim MAX31850 thermoelement interface.



Author: Evgeniy Polyakov <johnpol@2ka.mipt.ru>
@@ -15,7 +16,7 @@ Description 
-----------



w1_therm provides basic temperature conversion for ds18*20, ds28ea00, GX20MH01

devices.

and MAX31850 devices.



Supported family codes:
@@ -137,3 +138,7 @@ bits in Config register; R2 bit in Config register enabling 13 and 14 bit 
resolutions. The device is powered up in 14-bit resolution mode. The conversion

times specified in the datasheet are too low and have to be increased. The

device supports driver features ``1`` and ``2``.



MAX31850 device shares family number 0x3B with DS1825. The device is generally

compatible with DS1825. The higher 4 bits of Config register read all 1,

indicating 15, but the device is always operating in 14-bit resolution mode.