Re: [PATCH v4 0/5] support ipq5332 platform

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On 1/8/2024 9:27 PM, Andrew Lunn wrote:
The IPQ PPE includes MAC and UNIPHY integrated, the connection with
external PHY is as below.
MAC ---- UNIPHY(PCS) ---- (PCS)external PHY.

The UNIPHY here is the Ethernet dedicated SERDES for connecting with
external PHY.

You call it a PCS here. So does it implement clause 37 or 73 of the
802.3 standard? If it does, the driver for it belongs in
drivers/net/pcs.

	Andrew

Hi Andrew,
The PPE integrated PCSes support multiple interface modes such as SGMII,
UXSGMII, QSGMII, PSGMII and 10g-baser etc. which is configurable for
connecting the different PHY devices.

the SGMII and UXSGMII follows Cisco standard, which does not implement
the 802.3 standard in this interface modes.
PSGMII includes the qcom private protocol.

The PPE driver also including the integrated PCS driver will be
posted for the review in the near future, we can discuss in detail
based on that patch series raised.

Thanks for the suggestions.








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