From: Florian Fainelli <f.fainelli@gmail.com>
To: Andrew Lunn <andrew@lunn.ch>
Cc: netdev@vger.kernel.org, vivien.didelot@savoirfairelinux.com,
davem@davemloft.net
Subject: Re: [PATCH net-next 5/5] net: dsa: b53: Add SerDes support
Date: Tue, 4 Sep 2018 16:55:26 -0700 [thread overview]
Message-ID: <57632a74-e3dd-893f-2573-d0450d6b290a@gmail.com> (raw)
In-Reply-To: <20180904233222.GJ29121@lunn.ch>
On 09/04/2018 04:32 PM, Andrew Lunn wrote:
>
>
>> +void b53_serdes_phylink_validate(struct b53_device *dev, int port,
>> + unsigned long *supported,
>> + struct phylink_link_state *state)
>> +{
>> + u8 lane = b53_serdes_map_lane(dev, port);
>> +
>> + if (lane == B53_INVALID_LANE)
>> + return;
>> +
>> + switch (lane) {
>> + case 0:
>> + phylink_set(supported, 2500baseX_Full);
>
> Hi Florian
>
> Could you also use it for 2500BaseT_Full with an appropriate copper
> PHY?
My reading of the datasheet (which only mentions 2.5G with no further
mention) make me think that is not possible to do copper at 2.5G and
only 2500baseX since it only talks about fiber and not copper.
Would you recommend a specific SFP that allows that? Like this one:
https://www.flexoptix.net/en/sfp-t-transceiver-2h-gigabit-cat-5e-rj-45-100m-100m-1000m-2500-base-t.html?co8829=85744
--
Florian
next prev parent reply other threads:[~2018-09-05 4:23 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-09-04 22:11 [PATCH net-next 0/5] net: dsa: b53: SerDes support Florian Fainelli
2018-09-04 22:11 ` [PATCH net-next 1/5] net: dsa: b53: Add ability to enable/disable port interrupts Florian Fainelli
2018-09-04 22:11 ` [PATCH net-next 2/5] net: dsa: b53: Make SRAB driver manage " Florian Fainelli
2018-09-04 22:59 ` Andrew Lunn
2018-09-04 23:46 ` Florian Fainelli
2018-09-04 22:11 ` [PATCH net-next 3/5] net: dsa: b53: Add helper to set link parameters Florian Fainelli
2018-09-04 22:11 ` [PATCH net-next 4/5] net: dsa: b53: Add PHYLINK support Florian Fainelli
2018-09-04 22:11 ` [PATCH net-next 5/5] net: dsa: b53: Add SerDes support Florian Fainelli
2018-09-04 23:15 ` Andrew Lunn
2018-09-05 0:02 ` Florian Fainelli
2018-09-04 23:32 ` Andrew Lunn
2018-09-04 23:55 ` Florian Fainelli [this message]
2018-09-05 0:06 ` Andrew Lunn
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