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80 lines
2.0 KiB
80 lines
2.0 KiB
Kernel driver tmp401 |
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==================== |
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Supported chips: |
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* Texas Instruments TMP401 |
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Prefix: 'tmp401' |
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Addresses scanned: I2C 0x4c |
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Datasheet: http://focus.ti.com/docs/prod/folders/print/tmp401.html |
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* Texas Instruments TMP411 |
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Prefix: 'tmp411' |
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Addresses scanned: I2C 0x4c, 0x4d, 0x4e |
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Datasheet: http://focus.ti.com/docs/prod/folders/print/tmp411.html |
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* Texas Instruments TMP431 |
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Prefix: 'tmp431' |
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Addresses scanned: I2C 0x4c, 0x4d |
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Datasheet: http://focus.ti.com/docs/prod/folders/print/tmp431.html |
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* Texas Instruments TMP432 |
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Prefix: 'tmp432' |
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Addresses scanned: I2C 0x4c, 0x4d |
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Datasheet: http://focus.ti.com/docs/prod/folders/print/tmp432.html |
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* Texas Instruments TMP435 |
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Prefix: 'tmp435' |
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Addresses scanned: I2C 0x48 - 0x4f |
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Datasheet: http://focus.ti.com/docs/prod/folders/print/tmp435.html |
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Authors: |
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- Hans de Goede <[email protected]> |
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- Andre Prendel <[email protected]> |
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Description |
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----------- |
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This driver implements support for Texas Instruments TMP401, TMP411, |
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TMP431, TMP432, and TMP435 chips. These chips implement one or two |
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remote and one local temperature sensors. Temperature is measured in degrees |
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Celsius. Resolution of the remote sensor is 0.0625 degree. Local |
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sensor resolution can be set to 0.5, 0.25, 0.125 or 0.0625 degree (not |
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supported by the driver so far, so using the default resolution of 0.5 |
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degree). |
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The driver provides the common sysfs-interface for temperatures (see |
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Documentation/hwmon/sysfs-interface.rst under Temperatures). |
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The TMP411 and TMP431 chips are compatible with TMP401. TMP411 provides |
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some additional features. |
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* Minimum and Maximum temperature measured since power-on, chip-reset |
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Exported via sysfs attributes tempX_lowest and tempX_highest. |
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* Reset of historical minimum/maximum temperature measurements |
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Exported via sysfs attribute temp_reset_history. Writing 1 to this |
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file triggers a reset. |
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TMP432 is compatible with TMP401 and TMP431. It supports two external |
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temperature sensors.
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