iMX7D: How to check the current DDR frequency in Linux

[yangwenyou]

As known, i.MX7D supports DDR frequency scaling. My question is: how to get the current DDR frequency in Linux?from sysfs or other methods? 

[Yuri]

Hello,

  You may look at Dynamic Bus Frequency chapter in NXP Linux Reference Manual.

Have a great day,
Yuri

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