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Add support for LTM4686 #2383

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merged 5 commits into from
Dec 18, 2024
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@cencarna cencarna commented Dec 2, 2024

Pull Request Description

This adds driver and IIO support for LTM4686, LTM4686B and LTM4673.

The LTM4686 is a dual 10A (12A Peak) or single 20A (24A Peak) step-down
µModule DC/DC regulator with 39ms turn-on time.
The LTM4686B is a dual 14A (17A peak) or single 28A (34A peak) step-down
µModule DC/DC regulator with 39ms turn-on time.
The LTM4673 is a quad output, dual 12A and dual 5A, switching mode DC/DC
step-down μModule regulator.

It features remote configurability and telemetry-monitoring of power
management parameters over PMBus.

PR Type

  • Bug fix (change that fixes an issue)
  • New feature (change that adds new functionality)
  • Breaking change (has dependencies in other repos or will cause CI to fail)

PR Checklist

  • I have followed the Coding style guidelines
  • I have performed a self-review of the changes
  • I have commented my code, at least hard-to-understand parts
  • I have build all projects affected by the changes in this PR
  • I have tested in hardware affected projects, at the relevant boards
  • I have signed off all commits from this PR
  • I have updated the documentation (wiki pages, ReadMe etc), if applies

drivers/power/ltm4686/ltm4686.c Outdated Show resolved Hide resolved
drivers/power/ltm4686/ltm4686.c Show resolved Hide resolved
drivers/power/ltm4686/ltm4686.h Outdated Show resolved Hide resolved
drivers/power/ltm4686/iio_ltm4686.c Outdated Show resolved Hide resolved
projects/ltm4686/src.mk Outdated Show resolved Hide resolved
@kister-jimenez kister-jimenez mentioned this pull request Dec 11, 2024
10 tasks
The LTM4686 is a dual 10A (12A Peak) or single 20A (24A Peak) step-down µModule
DC/DC regulator with 39ms turn-on time. It features remote configurability and
telemetry-monitoring of power management parameters over PMBus.

Signed-off-by: Cedric Encarnacion <[email protected]>
This adds IIO support for the LTM4686/LTM4686B and LTM4673 devices. This exposes
input and dual/quad-output voltage and current, and temperature chnanels. This
also instantiates global attributes that accesses status bytes/words and fault
limits.

Signed-off-by: Cedric Encarnacion <[email protected]>
Add initial project files for both basic and IIO examples for LTM4686.

Signed-off-by: Cedric Encarnacion <[email protected]>
Add README.rst documentation file for LTM4686 alongside other
documentation related files.

Signed-off-by: Cedric Encarnacion <[email protected]>
Add README.rst documentation file for project alongside other
documentation related files.

Signed-off-by: Cedric Encarnacion <[email protected]>
@cencarna
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v2:

  • Updated license
  • Used NO_OS_INC_DIRS for project mk files
  • Dropped /** Include files **/ delimeter and similars

@buha buha merged commit 3221c37 into analogdevicesinc:main Dec 18, 2024
12 of 14 checks passed
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3 participants