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authorKaiwan N Billimoria <kaiwan@designergraphix.com>2006-06-12 22:00:05 +0200
committerGreg Kroah-Hartman <gregkh@suse.de>2006-06-22 11:10:35 -0700
commite1a8e913f97e36cc5a23a24a8b4717e84998f13c (patch)
tree3ee23138ab7acba7a8ceb8f38f14eecac055141e /drivers/firmware
parent060b2f5584bf3bbb0268c83c24d5a506780fb702 (diff)
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[PATCH] lm70: New hardware monitoring driver
This driver implements support for the National Semiconductor LM70 temperature sensor. The LM70 temperature sensor chip supports a single temperature sensor. It communicates with a host processor (or microcontroller) via an SPI/Microwire Bus interface. Communication with the LM70 is simple: when the temperature is to be sensed, the driver accesses the LM70 using SPI communication: 16 SCLK cycles comprise the MOSI/MISO loop. At the end of the transfer, the 11-bit 2's 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. Signed-off-by: Kaiwan N Billimoria <kaiwan@designergraphix.com> Signed-off-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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