Documentation/hwmon/tmp102.rst

Source file repositories/reference/linux-study-clean/Documentation/hwmon/tmp102.rst

File Facts

System: Linux kernel
Corpus path: Documentation/hwmon/tmp102.rst
Extension: .rst
Size: 2150 bytes
Lines: 66
Domain: Support Tooling And Documentation
Bucket: Documentation
Inferred role: Support Tooling And Documentation: documentation
Status: atlas-only

Why This File Exists

Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

Dependency Surface

No C-style include directives detected by the generator.

Detected Declarations

No top-level syscall, struct, function, initcall, or export declaration detected by the generator.

Annotated Snippet

Kernel driver tmp102
====================

Supported chips:

  * Texas Instruments TMP102

    Prefix: 'tmp102'

    Addresses scanned: none

    Datasheet: http://focus.ti.com/docs/prod/folders/print/tmp102.html

  * Texas Instruments TMP110

    Prefix: 'tmp110'

    Addresses scanned: none

    Datasheet: http://focus.ti.com/docs/prod/folders/print/tmp110.html

  * Texas Instruments TMP113

    Prefix: 'tmp113'

    Addresses scanned: none

    Datasheet: http://focus.ti.com/docs/prod/folders/print/tmp113.html

Author:

	Steven King <sfking@fdwdc.com>

Description
-----------

The Texas Instruments TMP102 implements one temperature sensor.  Limits can be
set through the Overtemperature Shutdown register and Hysteresis register.  The
sensor is accurate to 0.5 degree over the range of -25 to +85 C, and to 1.0
degree from -40 to +125 C. Resolution of the sensor is 0.0625 degree.  The
operating temperature has a minimum of -55 C and a maximum of +150 C.

The TMP102 has a programmable update rate that can select between 8, 4, 1, and
0.25 Hz.

The TMP110 and TMP113 are software compatible with TMP102, but have different
accuracy (maximum error) specifications. The TMP110 has an accuracy (maximum error)
of 1.0 degree, TMP113 has an accuracy (maximum error) of 0.3 degree, while TMP102
has an accuracy (maximum error) of 2.0 degree.

sysfs-Interface
---------------

The following list includes the sysfs attributes that the driver provides, their
permissions and a short description:

=============================== ======= ===========================================
Name                            Perm    Description
=============================== ======= ===========================================
temp1_input:                    RO      Temperature input
temp1_label:                    RO      Descriptive name for the sensor
temp1_max:                      RW      Maximum temperature
temp1_max_hyst:                 RW      Maximum hysteresis temperature
update_interval                 RW      Update conversions interval in milliseconds
=============================== ======= ===========================================

Annotation

Atlas domain: Support Tooling And Documentation / Documentation.
Implementation status: atlas-only.

Implementation Notes

This generated page is the file-by-file coverage layer; curated subsystem chapters should link here when they synthesize a multi-file control flow.
Core OS pages should be promoted from atlas-only to deep-reviewed when they explain data structures, invariants, locking, lifecycle, and C implementation snippets.
Driver-family pages are intentionally pattern-oriented unless they are part of the selected PCIe/NVMe representative device path.