There were some issues esp. with the GL3523 USB HUD, see HK forum…
@tobetter:
https://forum.odroid.com/viewtopic.php?f=181&t=34849&start=100#p262780
What was the outcome of the HW review?
From my point of view, after reading the datasheet, I agree to “nick793” that your implementation may be causing brownout on 1V2 rail for load regulation due to SMPS reg. limits.