From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 49F56C433F5 for ; Wed, 16 Feb 2022 15:55:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235727AbiBPPzP (ORCPT ); Wed, 16 Feb 2022 10:55:15 -0500 Received: from mxb-00190b01.gslb.pphosted.com ([23.128.96.19]:52496 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235747AbiBPPzO (ORCPT ); Wed, 16 Feb 2022 10:55:14 -0500 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5F4D9295FE6; Wed, 16 Feb 2022 07:55:02 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id DB97B61A5A; Wed, 16 Feb 2022 15:55:01 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id B3390C004E1; Wed, 16 Feb 2022 15:55:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1645026901; bh=eE1+ZOG+o56GVBrCD53cuQ0ru/sUiq3uQkgLPoUhz1w=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=vPR17qhqgiXT9d/mA/vVROVXEvcaOdNU2jYiED4+XYWO4YWvqlDpBs3ektG2BKQ22 W0jitEPCFWpGcxdGObCRU3IJyzxSE1qoE9AIIN6qmej72SEVsVke9nj7U39vxg3VjR AYKbhIOOGT9YCTd5Wpu+sUjeV8S+5iJaO67pKfia6RpeBqS7GwGStPzypOYYdYjW20 307hpDvq/Bh1PvQM/bnJ6vQILwNnaSN6WGR71fk4SndK58an360cyUYnvCp+fhdrik Qc8GeS9IB8CGEoxTlSVJPdxleADPNzpJGr1PNrxwq/pEKsYR+JbgOzFLdboXsV7y+y A5YhejyNAovww== Date: Wed, 16 Feb 2022 16:54:54 +0100 From: Wolfram Sang To: Matt Johnston Cc: "David S . Miller" , Jakub Kicinski , Jeremy Kerr , linux-i2c@vger.kernel.org, netdev@vger.kernel.org, Zev Weiss , Rob Herring Subject: Re: [PATCH net-next v5 1/2] dt-bindings: net: New binding mctp-i2c-controller Message-ID: Mail-Followup-To: Wolfram Sang , Matt Johnston , "David S . Miller" , Jakub Kicinski , Jeremy Kerr , linux-i2c@vger.kernel.org, netdev@vger.kernel.org, Zev Weiss , Rob Herring References: <20220210063651.798007-1-matt@codeconstruct.com.au> <20220210063651.798007-2-matt@codeconstruct.com.au> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="u2d3AB3C5u+1/++1" Content-Disposition: inline In-Reply-To: <20220210063651.798007-2-matt@codeconstruct.com.au> Precedence: bulk List-ID: X-Mailing-List: linux-i2c@vger.kernel.org --u2d3AB3C5u+1/++1 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Feb 10, 2022 at 02:36:50PM +0800, Matt Johnston wrote: > Used to define a local endpoint to communicate with MCTP peripherals > attached to an I2C bus. This I2C endpoint can communicate with remote > MCTP devices on the I2C bus. >=20 > In the example I2C topology below (matching the second yaml example) we > have MCTP devices on busses i2c1 and i2c6. MCTP-supporting busses are > indicated by the 'mctp-controller' DT property on an I2C bus node. >=20 > A mctp-i2c-controller I2C client DT node is placed at the top of the > mux topology, since only the root I2C adapter will support I2C slave > functionality. > .-------. > |eeprom | > .------------. .------. /'-------' > | adapter | | mux --@0,i2c5------' > | i2c1 ----.*| --@1,i2c6--.--. > |............| \'------' \ \ ......... > | mctp-i2c- | \ \ \ .mctpB . > | controller | \ \ '.0x30 . > | | \ ......... \ '.......' > | 0x50 | \ .mctpA . \ ......... > '------------' '.0x1d . '.mctpC . > '.......' '.0x31 . > '.......' > (mctpX boxes above are remote MCTP devices not included in the DT at > present, they can be hotplugged/probed at runtime. A DT binding for > specific fixed MCTP devices could be added later if required) >=20 > Signed-off-by: Matt Johnston > Reviewed-by: Rob Herring Acked-by: Wolfram Sang --u2d3AB3C5u+1/++1 Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEOZGx6rniZ1Gk92RdFA3kzBSgKbYFAmINHkkACgkQFA3kzBSg KbYWQQ//T0o6sAFYpqHYgqQJC9nytNVfRU3yp4Q8LKKpkVW7gZJetq7TtiGYTb4g iSydYQGckhPUVt2f7xsdvkEhm3fXtlD5T/T83pgB8nNIkCxlpzIOouv+jE+WG42x zFVUutvUV536WsXdYQ7COEasoa+k3W3kBZemOfvh0QcDbubswuSdf3yMezI9BE4y mpovo/lBXQEG5NTzQDBUJ5jg0UzHl0P/jc2OU0gQ/tLP1H8nC6JG4KlPbF/E0A2r I+iy9NgaI1nRka/3e7ylB8ejmNsrv1LWNtP5TFmEB/L3pV/IJ+/Sd639oyUN2+OY WvdItszZHOWa1X6rlft9/IJudrev3XA9QzHm+2lksjJAozhXkUXHQTD1etPZLFZM J1bcVHhqwiy2zzgRcOfJ6113FDlMWR7DkG9ocoQ0n/ic6xyS1YNktJBFEdmNKeBD SinABwdhIbsPDfAHx/X0n0K9yAZemoJu2ZeLMsivuoTIDpSKuVH7js1SzQuBhqgR hvfJjg9AW4YUW/uatwBRX1TP5vBuxCJEzVjsCophVLlIPAkASrFoAeXf47xa/N3S StC1EJlF52wI+iSJ9441Xds7kpk45nza+vXJ1h1nA8P76dn6zbwssp+S8oWhbVZd coC8Tc2m02xdzRHjieuqSiPT5pv68f0rdE6Xg5Qg4VfcfGRDkU4= =8P1o -----END PGP SIGNATURE----- --u2d3AB3C5u+1/++1--