From: Andrew Lunn <andrew@lunn.ch>
To: gerg@kernel.org
Cc: sean.wang@mediatek.com, bjorn@mork.no,
vivien.didelot@savoirfairelinux.com, f.fainelli@gmail.com,
netdev@vger.kernel.org, rene@vdorst.com, john@phrozen.org,
neil@brown.name
Subject: Re: [PATCHv3 2/3] net: dsa: mt7530: support the 7530 switch on the Mediatek MT7621 SoC
Date: Mon, 21 Jan 2019 18:04:42 +0100 [thread overview]
Message-ID: <20190121170442.GH8620@lunn.ch> (raw)
In-Reply-To: <20190121071140.23089-3-gerg@kernel.org>
On Mon, Jan 21, 2019 at 05:11:39PM +1000, gerg@kernel.org wrote:
> From: Greg Ungerer <gerg@kernel.org>
>
> The MediaTek MT7621 SoC device contains a 7530 switch, and the existing
> linux kernel 7530 DSA switch driver can be used with it.
>
> The bulk of the changes required stem from the 7621 having different
> regulator and pad setup. The existing setup of these in the 7530
> driver appears to be very specific to its implemtation in the Mediatek
> 7623 SoC. (Not entirely surprising given the 7623 is a quad core ARM
> based SoC, and the 7621 is a dual core, dual thread MIPS based SoC).
>
> Create a new devicetree type, "mediatek,mt7621", to support the 7530
> switch in the 7621 SoC. There appears to be no usable ID register to
> distinguish it from a 7530 in other hardware at runtime. This is used
> to carry out the appropriate configuration and setup.
>
> Signed-off-by: Greg Ungerer <gerg@kernel.org>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Andrew
next prev parent reply other threads:[~2019-01-21 17:04 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-21 7:11 [PATCHv3 0/3]: net: support MT7530 switch in the MT7621 SoC gerg
2019-01-21 7:11 ` [PATCHv3 1/3] net: ethernet: mediatek: support MT7621 SoC ethernet hardware gerg
2019-01-21 7:11 ` [PATCHv3 2/3] net: dsa: mt7530: support the 7530 switch on the Mediatek MT7621 SoC gerg
2019-01-21 16:56 ` kbuild test robot
2019-01-21 17:04 ` Andrew Lunn [this message]
2019-01-22 1:28 ` Greg Ungerer
2019-01-21 7:11 ` [PATCHv3 3/3] dt-bindings: net: dsa: add new MT7530 binding to support MT7621 gerg
2019-01-21 17:05 ` Andrew Lunn
-- strict thread matches above, loose matches on Subject: below --
2019-01-21 20:10 [PATCHv3 2/3] net: dsa: mt7530: support the 7530 switch on the Mediatek MT7621 SoC Sean Wang
2019-01-22 1:33 ` Greg Ungerer
2019-01-22 21:13 ` René van Dorst
2019-01-22 22:58 ` Florian Fainelli
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