TPS65950: TPS65950 VBus Error – OTG_HandleVbusError

Part Number:TPS65950

Hi,

Issue: USB can not work,Probability is 50%.

1. System: Customer use wince
2. AM3715 + TPS65950
3. Power input: VBAT from Lithium battery
4. System print VBus Error – OTG_HandleVbusError to be implemented when start up.
5. There is 50 pecent USB can be right use, Other 50 pecent is print below info:

“###### FALL to read ULPI Reg,Control =0x5

Attempt Recovery Procedure 1

Assign ULPI Signals to GPIO

.......