From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx.denx.de (mx.denx.de [89.58.32.78]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B9A541DC991; Thu, 20 Feb 2025 16:05:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=89.58.32.78 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740067520; cv=none; b=sWQFsilqi3yEf5a9137aGujuATWquQyUKFVWMjAmFwTHUb1n1g4v+F7vOxOX/Xoyjk9TUeFrLiHOGrFQ7oTMDNtUA5O0x4PEl6EgKaXvv1XhThWJMkzLbcdP5Sj6s5bab+aNTYlM7sFXy8D/1o8WoNFcNZF6+GGl4sgWD5pxULk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740067520; c=relaxed/simple; bh=mb7aYcCG8Adpx+o3PB0V+PLcJxbA/KMq9DZ3PJrzvkA=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=BO+39W9gPOz43oAmS9vbANaAefdMLIOd+24MpGtPjLrxChD6RxvNY5qENFPsEWSNnlhgSI7EE0krXgKJDw4xXynUIOBo10FKCsdVGFM98e72HD19MLnJpa0Y59onfunN9eFsYppSObIgu3N9JDH3VjKALRuLjosi49ckdoCM9VY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=denx.de; spf=pass smtp.mailfrom=denx.de; dkim=pass (2048-bit key) header.d=denx.de header.i=@denx.de header.b=A4hGitDb; arc=none smtp.client-ip=89.58.32.78 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=denx.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=denx.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=denx.de header.i=@denx.de header.b="A4hGitDb" Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id 3A1C810382D3C; Thu, 20 Feb 2025 17:05:12 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=denx.de; s=mx-20241105; t=1740067515; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=DhrEMPazg4VWtR34qnd0rK9L+bUZ2MhCj/KoPwKqizc=; b=A4hGitDbo72QAmhefQeUeZL3T3Rp2wKldnOpn/EQrjnDZScLwr/7Rd/j6nY9MKQ/KQtUiP JG6759wwrIzoRhywmF9uAcVztzoO0PQMKccT4bfjss4i/bzvHo3e4QsMJ2ZFsmfKki2y0s Acm5EEFFlh5RmmRGT0p4iYS3Da9UI9dAV27ZGIPW+JnIDvcDm/vLRZwAnuyp2SY9DGxbBN WSS1HcMuR2u97P2HlCwVn4vftvNDGyHa/BA2d77O1avi3nCO/PcdfsCOuhwI7EudA97zsE hReD8N+WY0jdzLWeauVDM1r5cp17mHQ9kRTZjsormprBNDTwtHdw6UDOts+SIQ== Date: Thu, 20 Feb 2025 17:05:11 +0100 From: Lukasz Majewski To: Andrew Lunn Cc: Abel Vesa , Peng Fan , Michael Turquette , Stephen Boyd , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Rob Herring , Krzysztof Kozlowski , Conor Dooley , 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 Message-ID: <20250220170511.719a1cac@wsk> In-Reply-To: References: <20250219114936.3546530-1-lukma@denx.de> <3cebe152-6326-454c-9da6-5cf5a64f71c9@lunn.ch> <20250219233802.20ec53e5@wsk> <5a9d9eef-f2ca-4168-aca4-4419dcfcacb6@lunn.ch> <20250220154826.3455b15e@wsk> Organization: denx.de X-Mailer: Claws Mail 3.19.0 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/signed; boundary="Sig_/LvcxCIoyiyxMRzVmv5VeRt="; protocol="application/pgp-signature"; micalg=pgp-sha512 X-Last-TLS-Session-Version: TLSv1.3 --Sig_/LvcxCIoyiyxMRzVmv5VeRt= Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable Hi Andrew, > > > Seems like a reasonable compromise. You would only load this > > > driver if you intend to make use of the switch... =20 > >=20 > > Yes, the main use case would be the switch (after bridge ... command > > called). > >=20 > > However, until then we shall? have port separation. =20 >=20 > Yes. The model Linux uses is that the ports are individual interfaces > to start with. We should keep to that model. +1 >=20 > > > 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. =20 > >=20 > > I would need some detailed documentation.... =20 >=20 > 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. :-) >=20 > Andrew Best regards, Lukasz Majewski -- DENX Software Engineering GmbH, Managing Director: Erika Unter HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: (+49)-8142-66989-59 Fax: (+49)-8142-66989-80 Email: lukma@denx.de --Sig_/LvcxCIoyiyxMRzVmv5VeRt= Content-Type: application/pgp-signature Content-Description: OpenPGP digital signature -----BEGIN PGP SIGNATURE----- iQEzBAEBCgAdFiEEgAyFJ+N6uu6+XupJAR8vZIA0zr0FAme3UrcACgkQAR8vZIA0 zr0WCQgAxyZwB9mNdVIeRsd8mJN2KEWBP3zwFWv3w1XX1glLh9Y/MFa9riYX2/XO P+so9vOKEXJUCHUxC3GIqJTIoHYB5Rk75zjTDoUs9K851v5SWlXwM2ZtMtbC3DpO xzh/XjXEoX63V/zJszTYRQKYpjBnep4z4+Qfyabs0TvNSakVz3qdIbSG5zbjiRUr mP3ZwG/37azFpwaqb2dYwt3IFLlpALBbNaJuSH+UlwqW+JPuiv9bjL6h+tSD7KTB CPrs16qxPsbOvnilSVURJZOjV9YsgFZBaRquJrlZwoJg9uvo5rUQWjX3x2HlUIX9 uiqcEHdpcgkZDKIOXsnbvZSuE2d87w== =R4zZ -----END PGP SIGNATURE----- --Sig_/LvcxCIoyiyxMRzVmv5VeRt=--