diff options
| author | Gabor Juhos <j4g8y7@gmail.com> | 2023-08-11 13:10:07 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2023-08-14 08:12:53 +0100 |
| commit | 83b5f0253b1ef352f4333c4fb2d24eff23045f6b (patch) | |
| tree | 510ceaa00e483a6e16373fef92000fee5f5e3f70 /Documentation/networking | |
| parent | de875d35e0b07961657d41d0e1e05004fbb66664 (diff) | |
| download | linux-83b5f0253b1ef352f4333c4fb2d24eff23045f6b.tar.gz | |
net: phy: Introduce PSGMII PHY interface mode
The PSGMII interface is similar to QSGMII. The main difference
is that the PSGMII interface combines five SGMII lines into a
single link while in QSGMII only four lines are combined.
Similarly to the QSGMII, this interface mode might also needs
special handling within the MAC driver.
It is commonly used by Qualcomm with their QCA807x PHY series and
modern WiSoC-s.
Add definitions for the PHY layer to allow to express this type
of connection between the MAC and PHY.
Signed-off-by: Gabor Juhos <j4g8y7@gmail.com>
Signed-off-by: Robert Marko <robert.marko@sartura.hr>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'Documentation/networking')
| -rw-r--r-- | Documentation/networking/phy.rst | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/networking/phy.rst b/Documentation/networking/phy.rst index b7ac4c64cf679b..1283240d7620bd 100644 --- a/Documentation/networking/phy.rst +++ b/Documentation/networking/phy.rst @@ -323,6 +323,10 @@ Some of the interface modes are described below: contrast with the 1000BASE-X phy mode used for Clause 38 and 39 PMDs, this interface mode has different autonegotiation and only supports full duplex. +``PHY_INTERFACE_MODE_PSGMII`` + This is the Penta SGMII mode, it is similar to QSGMII but it combines 5 + SGMII lines into a single link compared to 4 on QSGMII. + Pause frames / flow control =========================== |