June 21-24, 2022
Austin, Texas, USA + Virtual
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Note: The schedule is subject to change.

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Friday, June 24 • 11:10am - 11:50am
Improvisation and Demonstration of Linux Thermal Framework for Multiple Temperature Sensors - Adithya K V & Tauseef Nomani, Samsung Semiconductor India Research

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SoC should be maintained in optimal temperature to prevent permanent damaging and to gain best performance. Thermal Management Unit (TMU), monitors variation in chip by monitoring on chip temperature. It generates interrupt to CPU when temperature crosses pre-defined threshold levels and initiates to perform cooling actions such as switch on the fan or CPU throttling or thermal tripping. SoC can have single or multiple temperature sensors placed in it. In case of multiple sensors, there will be one main sensor (with digitizer) and multiple remote sensors which can be placed in different blocks of the SoC. Remote sensors will be sensed and controlled by digitizer of main sensor. Linux have framework to make this temperature reading available to user space. Company specific temperature sensor drivers can be mapped and make use of platform independent thermal framework which is already available in Linux. Conventional thermal framework supports to read temperature only from single sensor. In this session we will walk through on basic of thermal management, supporting thermal framework feature which are already available in Linux. We will look upon how we have also improvised this framework to read temperature from main and multiple remote sensors.


Tauseef Nomani

Samsung Semiconductor India Research, Engineer
Tauseef Nomani Working as Engineer in Samsung Semiconductor India Research Role: Development of device drivers
avatar for Adithya K V

Adithya K V

Engineer, Samsung Semiconductor India Research
Adithya K V Working as Engineer in Samsung Semiconductor India Research Role: Development of device drivers

Friday June 24, 2022 11:10am - 11:50am CDT
Room 201/202 (Level 2)