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TPS65988DK: DRP, Power Data to 20V/5A, PR_Swap, Vconn_Swap.

Part Number: TPS65988DK

To support DRP, Power Data to 20V/5A, PR_Swap, Vconn_Swap. 

We encountered three issues when connecting to U4 host(ASUS VivoBook S14)

  1. After PR_Swap (Sink -> Source), Rd still can be seen on CC.。
  2. After Vconn_Swap, building power contract with SINK port, TI 988DK seems not asserting PS_RDY and then result in Hard_Reset. (This seems only when enabling power data to 20V/5A, but it is not seen when 5V/3A mode.)
  3. After Vconn_Swap, Cable deosn't response to TI988DK's Source/VConn SOP’ packet. but Cable did respond to host's SOP’ packet.

Best,

Thomas