Documentation/devicetree/bindings/misc/memory-state-time.txt

   1 Memory bandwidth and frequency state tracking
   2
   3 Required properties:
   4 - compatible : should be:
   5        "memory-state-time"
   6 - freq-tbl: Should contain entries with each frequency in Hz.
   7 - bw-buckets: Should contain upper-bound limits for each bandwidth bucket in Mbps.
   8        Must match the framework power_profile.xml for the device.