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From: Lukasz Majewski <lukma@denx.de>
To: Andrew Lunn <andrew@lunn.ch>
Cc: Abel Vesa <abelvesa@kernel.org>, Peng Fan <peng.fan@nxp.com>,
	Michael Turquette <mturquette@baylibre.com>,
	Stephen Boyd <sboyd@kernel.org>, Shawn Guo <shawnguo@kernel.org>,
	Sascha Hauer <s.hauer@pengutronix.de>,
	Pengutronix Kernel Team <kernel@pengutronix.de>,
	Fabio Estevam <festevam@gmail.com>, Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>,
	linux-clk@vger.kernel.org, imx@lists.linux.dev,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, devicetree@vger.kernel.org
Subject: Re: [PATCH] arm: clk: Add ETH switch clock description for vf610 SoC
Date: Thu, 20 Feb 2025 17:05:11 +0100	[thread overview]
Message-ID: <20250220170511.719a1cac@wsk> (raw)
In-Reply-To: <f68ebe15-69ee-428a-8079-8bb05d7aa21b@lunn.ch>

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Hi Andrew,

> > > Seems like a reasonable compromise. You would only load this
> > > driver if you intend to make use of the switch...  
> > 
> > Yes, the main use case would be the switch (after bridge ... command
> > called).
> > 
> > However, until then we shall? have port separation.  
> 
> Yes. The model Linux uses is that the ports are individual interfaces
> to start with. We should keep to that model.

+1

> 
> > > MoreThanIP is now part of Synopsys. I wounder if this IP now
> > > exists in other SoCs? The press release however suggests Synopsys
> > > was interesting in the high speed interfaces, not a two ports Fast
> > > Ethernet switch.  
> > 
> > I would need some detailed documentation....  
> 
> Which is probably not available. You might be able to get some clues
> from the Freescale datasheets, if they have kept the address spaces
> separated. I don't see it as a strong requirement, given how old this
> IP is, and the limited interest in supporting it over the years, My
> guess is, nobody else uses it.

:-)

> 
> 	Andrew




Best regards,

Lukasz Majewski

--

DENX Software Engineering GmbH,      Managing Director: Erika Unter
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
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      reply	other threads:[~2025-02-20 16:09 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-02-19 11:49 [PATCH] arm: clk: Add ETH switch clock description for vf610 SoC Lukasz Majewski
2025-02-19 12:06 ` Krzysztof Kozlowski
2025-02-19 12:18   ` Fabio Estevam
2025-02-19 20:58 ` Andrew Lunn
2025-02-19 22:38   ` Lukasz Majewski
2025-02-20 13:39     ` Andrew Lunn
2025-02-20 14:48       ` Lukasz Majewski
2025-02-20 15:23         ` Andrew Lunn
2025-02-20 16:05           ` Lukasz Majewski [this message]

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