Jan 5 14:46:28 bigmac kernel: [1081446.769734] usb 1-2: new high-speed USB device number 86 using xhci_hcd Jan 5 14:46:28 bigmac kernel: [1081446.898689] usb 1-2: New USB device found, idVendor=a108, idProduct=4775 Jan 5 14:46:28 bigmac kernel: [1081446.898693] usb 1-2: New USB device strings: Mfr=1, Product=2, SerialNumber=0 Jan 5 14:46:28 bigmac kernel: [1081446.898694] usb 1-2: Product: JZ4775 USB Boot Device Jan 5 14:46:28 bigmac kernel: [1081446.898696] usb 1-2: Manufacturer: Ingenic
# lsusb Bus 001 Device 086: ID a108:4775
yippeee, it didn't blow up :) PMIC voltages are good. 1.2, 1.5, 1.8, 2.5, 3.3. whew....