pocketbeagle power and usb1

power supply pins:
P1.01           5V in (to supply the pocketbeagle)
P1.14 + P2.23   3.3V out
P1.16 + P2.21   gnd
P1.24 + P2.13   5V out
P1.22 + P2.15   gnd

usb1 interface:
P1.03   usb1 drvvbus (digital output, enable-signal for external usb1 vbus switch)
P1.05   usb1 vbus (5V analog input to monitor usb1 vbus voltage)
P1.09   usb1 d-
P1.11   usb1 d+
P1.13   usb1 id (must be floating for device, grounded for host, do not connect to any voltage source)
P1.15   gnd

obscure, rarely useful:
P1.07   5V out from usb0 vbus (direct connection, not switched)