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Diffstat (limited to 'Documentation/hwmon/lm70')
| -rw-r--r-- | Documentation/hwmon/lm70 | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/Documentation/hwmon/lm70 b/Documentation/hwmon/lm70 index 2bdd3feebf5..1bb2db44067 100644 --- a/Documentation/hwmon/lm70 +++ b/Documentation/hwmon/lm70 @@ -1,9 +1,15 @@ Kernel driver lm70 ================== -Supported chip: +Supported chips: * National Semiconductor LM70 Datasheet: http://www.national.com/pf/LM/LM70.html + * Texas Instruments TMP121/TMP123 + Information: http://focus.ti.com/docs/prod/folders/print/tmp121.html + * National Semiconductor LM71 + Datasheet: http://www.ti.com/product/LM71 + * National Semiconductor LM74 + Datasheet: http://www.ti.com/product/LM74 Author: Kaiwan N Billimoria <kaiwan@designergraphix.com> @@ -25,7 +31,17 @@ complement digital temperature (sent via the SIO line), is available in the driver for interpretation. This driver makes use of the kernel's in-core SPI support. +As a real (in-tree) example of this "SPI protocol driver" interfacing +with a "SPI master controller driver", see drivers/spi/spi_lm70llp.c +and its associated documentation. + +The LM74 and TMP121/TMP123 are very similar; main difference is 13-bit +temperature data (0.0625 degrees celsius resolution). + +The LM71 is also very similar; main difference is 14-bit temperature +data (0.03125 degrees celsius resolution). + Thanks to --------- -Jean Delvare <khali@linux-fr.org> for mentoring the hwmon-side driver +Jean Delvare <jdelvare@suse.de> for mentoring the hwmon-side driver development. |