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Billimoria <”…””}”(hjBhžhhŸNh Nubhï)”}”(hŒkaiwan@designergraphix.com”h]”hŒkaiwan@designergraphix.com”…””}”(hjJhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”Œrefuri”Œ!mailto:kaiwan@designergraphix.com”uh1hîhjBubhŒ>”…””}”(hjBhžhhŸNh Nubeh}”(h]”h ]”h"]”h$]”h&]”uh1h·hŸh¶h K hj?ubah}”(h]”h ]”h"]”h$]”h&]”uh1j=hj)ubeh}”(h]”h ]”h"]”h$]”h&]”uh1j'hŸh¶h K hj$ubah}”(h]”h ]”h"]”h$]”h&]”uh1j"hh£hžhhŸh¶h Nubh¢)”}”(hhh]”(h§)”}”(hŒ Description”h]”hŒ Description”…””}”(hjyhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h¦hjvhžhhŸh¶h K#ubh¸)”}”(hŒVThis driver implements support for the National Semiconductor LM70 temperature sensor.”h]”hŒVThis driver implements support for the National Semiconductor LM70 temperature sensor.”…””}”(hj‡hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h·hŸh¶h K%hjvhžhubh¸)”}”(hŒ¥The LM70 temperature sensor chip supports a single temperature sensor. It communicates with a host processor (or microcontroller) via an SPI/Microwire Bus interface.”h]”hŒ¥The LM70 temperature sensor chip supports a single temperature sensor. It communicates with a host processor (or microcontroller) via an SPI/Microwire Bus interface.”…””}”(hj•hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h·hŸh¶h K(hjvhžhubh¸)”}”(hX{Communication with the LM70 is simple: when the temperature is to be sensed, the driver accesses the LM70 using SPI communication: 16 SCLK cycles comprise the MOSI/MISO loop. At the end of the transfer, the 11-bit 2's complement digital temperature (sent via the SIO line), is available in the driver for interpretation. This driver makes use of the kernel's in-core SPI support.”h]”hXCommunication with the LM70 is simple: when the temperature is to be sensed, the driver accesses the LM70 using SPI communication: 16 SCLK cycles comprise the MOSI/MISO loop. At the end of the transfer, the 11-bit 2’s complement digital temperature (sent via the SIO line), is available in the driver for interpretation. This driver makes use of the kernel’s in-core SPI support.”…””}”(hj£hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h·hŸh¶h K,hjvhžhubh¸)”}”(hŒ¬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.”h]”hŒ´As a real (in-tree) example of this “SPI protocol driver†interfacing with a “SPI master controller driverâ€, see drivers/spi/spi_lm70llp.c and its associated documentation.”…””}”(hj±hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h·hŸh¶h K3hjvhžhubh¸)”}”(hŒŠThe LM74 and TMP121/TMP122/TMP123/TMP124 are very similar; main difference is 13-bit temperature data (0.0625 degrees celsius resolution).”h]”hŒŠThe LM74 and TMP121/TMP122/TMP123/TMP124 are very similar; main difference is 13-bit temperature data (0.0625 degrees celsius resolution).”…””}”(hj¿hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h·hŸh¶h K7hjvhžhubh¸)”}”(hŒCThe TMP122/TMP124 also feature configurable temperature thresholds.”h]”hŒCThe TMP122/TMP124 also feature configurable temperature thresholds.”…””}”(hjÍhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h·hŸh¶h K:hjvhžhubh¸)”}”(hŒfThe TMP125 is less accurate and provides 10-bit temperature data with 0.25 degrees Celsius resolution.”h]”hŒfThe TMP125 is less accurate and provides 10-bit temperature data with 0.25 degrees Celsius resolution.”…””}”(hjÛhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h·hŸh¶h K for mentoring the hwmon-side driver development.”h]”(hŒJean Delvare <”…””}”(hjhžhhŸNh Nubhï)”}”(hŒjdelvare@suse.de”h]”hŒjdelvare@suse.de”…””}”(hjhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”Œrefuri”Œmailto:jdelvare@suse.de”uh1hîhjubhŒ2> for mentoring the hwmon-side driver development.”…””}”(hjhžhhŸNh Nubeh}”(h]”h ]”h"]”h$]”h&]”uh1h·hŸh¶h KDhjÿhžhubeh}”(h]”Œ thanks-to”ah ]”h"]”Œ thanks to”ah$]”h&]”uh1h¡hh£hžhhŸh¶h KCubeh}”(h]”Œkernel-driver-lm70”ah ]”h"]”Œkernel driver lm70”ah$]”h&]”uh1h¡hhhžhhŸh¶h Kubeh}”(h]”h ]”h"]”h$]”h&]”Œsource”h¶uh1hŒcurrent_source”NŒ current_line”NŒsettings”Œdocutils.frontend”ŒValues”“”)”}”(h¦NŒ generator”NŒ datestamp”NŒ source_link”NŒ source_url”NŒ toc_backlinks”Œentry”Œfootnote_backlinks”KŒ sectnum_xform”KŒstrip_comments”NŒstrip_elements_with_classes”NŒ strip_classes”NŒ report_level”KŒ halt_level”KŒexit_status_level”KŒdebug”NŒwarning_stream”NŒ traceback”ˆŒinput_encoding”Œ utf-8-sig”Œinput_encoding_error_handler”Œstrict”Œoutput_encoding”Œutf-8”Œoutput_encoding_error_handler”jeŒerror_encoding”Œutf-8”Œerror_encoding_error_handler”Œbackslashreplace”Œ language_code”Œen”Œrecord_dependencies”NŒconfig”NŒ id_prefix”hŒauto_id_prefix”Œid”Œ dump_settings”NŒdump_internals”NŒdump_transforms”NŒdump_pseudo_xml”NŒexpose_internals”NŒstrict_visitor”NŒ_disable_config”NŒ_source”h¶Œ _destination”NŒ _config_files”]”Œ7/var/lib/git/docbuild/linux/Documentation/docutils.conf”aŒfile_insertion_enabled”ˆŒ raw_enabled”KŒline_length_limit”M'Œpep_references”NŒ pep_base_url”Œhttps://peps.python.org/”Œpep_file_url_template”Œpep-%04d”Œrfc_references”NŒ rfc_base_url”Œ&https://datatracker.ietf.org/doc/html/”Œ tab_width”KŒtrim_footnote_reference_space”‰Œsyntax_highlight”Œlong”Œ smart_quotes”ˆŒsmartquotes_locales”]”Œcharacter_level_inline_markup”‰Œdoctitle_xform”‰Œ docinfo_xform”KŒsectsubtitle_xform”‰Œ image_loading”Œlink”Œembed_stylesheet”‰Œcloak_email_addresses”ˆŒsection_self_link”‰Œenv”NubŒreporter”NŒindirect_targets”]”Œsubstitution_defs”}”Œsubstitution_names”}”Œrefnames”}”Œrefids”}”Œnameids”}”(j?j<jüjùj7j4uŒ nametypes”}”(j?‰jü‰j7‰uh}”(j<h£jùjvj4jÿuŒ footnote_refs”}”Œ citation_refs”}”Œ autofootnotes”]”Œautofootnote_refs”]”Œsymbol_footnotes”]”Œsymbol_footnote_refs”]”Œ footnotes”]”Œ citations”]”Œautofootnote_start”KŒsymbol_footnote_start”KŒ id_counter”Œ collections”ŒCounter”“”}”…”R”Œparse_messages”]”Œtransform_messages”]”Œ transformer”NŒ include_log”]”Œ decoration”Nhžhub.