Cyclone V SoC Power Optimization

ID 683713
Date 2/09/2015
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1.5.5. Using the LTC2978A Linux Driver

A third approach to monitoring Cyclone V SoC Development Kit power is accomplished using the LTC2978A Linux driver. The Linux kernel provides hardware monitoring support for the LTC2978A device.

The following sections are a quick description of how to add the driver to Linux and make use of it. Further information can be found in (./Documentation/hwmon/ltc2978).

For the testing done for this application note, kernels 3.12 and 3.10 were used. The instructions on Rocketboards for building a kernel from GIT provided the guidelines to follow while completing the steps to add the driver to Linux.