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From: "René van Dorst" <opensource@vdorst.com>
To: Russell King - ARM Linux admin <linux@armlinux.org.uk>
Cc: John Crispin <john@phrozen.org>,
	Sean Wang <sean.wang@mediatek.com>,
	Nelson Chang <nelson.chang@mediatek.com>,
	"David S . Miller" <davem@davemloft.net>,
	Matthias Brugger <matthias.bgg@gmail.com>,
	netdev@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	linux-mediatek@lists.infradead.org, linux-mips@vger.kernel.org,
	Frank Wunderlich <frank-w@public-files.de>,
	Stefan Roese <sr@denx.de>
Subject: Re: [PATCH net-next v3 2/3] net: ethernet: mediatek: Re-add support SGMII
Date: Sun, 25 Aug 2019 11:41:48 +0000
Message-ID: <20190825114148.Horde.Eep_u3-9rhj5i9Itx7gh4x4@www.vdorst.com> (raw)
In-Reply-To: <20190824133225.GE13294@shell.armlinux.org.uk>

Hi Russell,

Quoting Russell King - ARM Linux admin <linux@armlinux.org.uk>:

> Hi René,
>
> On Sat, Aug 24, 2019 at 01:11:17PM +0000, René van Dorst wrote:
>> Hi Russell,
>>
>> Mediatek calls it Turbo RGMII. It is a overclock version of RGMII mode.
>> It is used between first GMAC and port 6 of the mt7530 switch. Can be used
>> with
>> an internal and an external mt7530 switch.
>>
>> TRGMII speed are:
>> * mt7621: 1200Mbit
>> * mt7623: 2000Mbit and 2600Mbit.
>>
>> I think that TRGMII is only used in a fixed-link situation in combination
>> with a
>> mt7530 switch and running and maximum speed/full duplex. So reporting
>> 1000baseT_Full seems to me the right option.
>
> I think we can ignore this one for the purposes of merging this patch
> set, since this seems to be specific to this setup.  Neither 1000BaseT
> nor 1000BaseX fit very well, but we have to choose something.
>
>> PHY_INTERFACE_MODE_GMII:
>> 	  10baseT_Half
>> 	  10baseT_Full
>> 	 100baseT_Half
>> 	 100baseT_Full
>> 	1000baseT_Half
>> 	1000baseT_Full
>
> I think GMII can be connected to a PHY that can convert to 1000BaseX, so
> should probably include that here too.
>

Thanks for reviewing.
I shall add that too.

I send v4 today.

Greats,

René


> Thanks.
>
> --
> RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
> FTTC broadband for 0.8mile line in suburbia: sync at 12.1Mbps down 622kbps up
> According to speedtest.net: 11.9Mbps down 500kbps up




  reply index

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-23 13:45 [PATCH net-next v3 0/3] net: ethernet: mediatek: convert to PHYLINK René van Dorst
2019-08-23 13:45 ` [PATCH net-next v3 1/3] net: ethernet: mediatek: Add basic PHYLINK support René van Dorst
2019-08-24  9:11   ` Russell King - ARM Linux admin
2019-08-24 12:33     ` René van Dorst
2019-08-23 13:45 ` [PATCH net-next v3 2/3] net: ethernet: mediatek: Re-add support SGMII René van Dorst
2019-08-24  9:21   ` Russell King - ARM Linux admin
2019-08-24 13:11     ` René van Dorst
2019-08-24 13:32       ` Russell King - ARM Linux admin
2019-08-25 11:41         ` René van Dorst [this message]
2019-08-23 13:45 ` [PATCH net-next v3 3/3] dt-bindings: net: ethernet: Update mt7622 docs and dts to reflect the new phylink API René van Dorst
2019-08-23 17:56 ` Aw: [PATCH net-next v3 0/3] net: ethernet: mediatek: convert to PHYLINK Frank Wunderlich
2019-08-24  7:41   ` René van Dorst

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