Messages in this thread | | | Subject | Re: [PATCH net-next 0/1] Add BASE-T1 PHY support | From | Lucas Stach <> | Date | Wed, 16 Oct 2019 10:37:27 +0200 |
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On Fr, 2019-08-16 at 22:59 +0200, Heiner Kallweit wrote: > On 15.08.2019 17:32, Christian Herber wrote: > > This patch adds basic support for BASE-T1 PHYs in the framework. > > BASE-T1 PHYs main area of application are automotive and industrial. > > BASE-T1 is standardized in IEEE 802.3, namely > > - IEEE 802.3bw: 100BASE-T1 > > - IEEE 802.3bp 1000BASE-T1 > > - IEEE 802.3cg: 10BASE-T1L and 10BASE-T1S > > > > There are no products which contain BASE-T1 and consumer type PHYs like > > 1000BASE-T. However, devices exist which combine 100BASE-T1 and 1000BASE-T1 > > PHYs with auto-negotiation. > > Is this meant in a way that *currently* there are no PHY's combining Base-T1 > with normal Base-T modes? Or are there reasons why this isn't possible in > general? I'm asking because we have PHY's combining copper and fiber, and e.g. > the mentioned Aquantia PHY that combines NBase-T with 1000Base-T2.
There are PHYs combining both Base-T1 and other Base-T capabilities. E.g. the Broadcom BCM54811 support both Base-T1, as well as 1000BASE-T and 100BASE-TX.
Regards, Lucas
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