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October 31 - November 1 - Co-Located Events
October 28-30 - Conference
Lyon Convention Centre - Lyon, France
More information for Open Source Summit + Embedded Linux Conference Europe 2019
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Monday, October 28 • 11:30 - 12:05
PMIC: First One to Turn On and Last One to Turn Off - Keerthy Jagadeesh, Texas Instruments

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PMIC stands for Power Management Integrated Circuits. Current day PMICs are
pretty powerful and encompass multiple submomdules. The primary purpose
is still to provide the voltage source for SoCs to power up. Several types of regulators
are used to power up SoCs including SMPS, LDO, DC/DC converters. Apart from
regulators PMICs generally have ADC, RTC & GPIOs.

The presentation aims to give an overview of PMIC driver development in linux
and also give a thorough understanding on the PMIC debugging over i2c. The presentaion
includes some of the complex issues that were debugged which were related to PMICs
on Texas Instruments DRA7 platform. The presentation gives general guidelines
to be followed while writing a regulator driver, a brief overview of current state of regulator framework and how to avoid potential issues related to regulators.
Speakers
avatar for Keerthy Jagadeesh

Keerthy Jagadeesh

Software Engineer, Texas Instruments
Keerthy Jagadeesh is part of Linux core product development team of the Texas Intruments and has been an active linux contibutor for the past 8+ years. He has worked mainly on thermal management for TI SoCs, PMIC driver development, Implementing low power modes for AM437x SoCs. Currently... Read More →

PMIC ELCE 2019 pdf
Monday October 28, 2019 11:30 - 12:05
Forum 3
  Embedded Linux Conference, Power
  • Session Slides Included Yes