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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E98E0C433F5 for ; Wed, 29 Sep 2021 20:53:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C26236142A for ; Wed, 29 Sep 2021 20:53:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1346782AbhI2Uza (ORCPT ); Wed, 29 Sep 2021 16:55:30 -0400 Received: from mail.kernel.org ([198.145.29.99]:39078 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1346776AbhI2Uza (ORCPT ); Wed, 29 Sep 2021 16:55:30 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id DFF1F613D1; Wed, 29 Sep 2021 20:53:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1632948828; bh=sXPiZJApgWTPby5kfu7tesuhTT5pOFH3fPxxvZTww+k=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=cYU/3ZTSOWhZSMKhKtxd6WJij/X5VHWHGkANadNDZRdTuR4iOt1CJo1dE4jpPAqV2 RhsDe8mT9GrG1tCEL1XPy7cbdnmTQtvE4H2R4C+owWf7vN6w0ApeabXDEQmJDLZs2j 4IlC74l/VJ8mW6k5wC6NYzRLxOTSBvFr9Pb1oj9mCvOkcxNVOhiZv/wa/IzEto3ebg C5oh+PILfr/ZIa8HhdG/N1gaCzUqWj2j+lqActjp9Z5+pc0Y42iXb7FK8nIfPYB/+t NRlUCe1J6WFmxMCIxZRabDRM+hCZ6Q2CQyZjSt3kWAKIufM1wpcMcYwxpm3lu6tgbl PnY+U0MQ9eBRw== Date: Wed, 29 Sep 2021 22:53:45 +0200 From: Wolfram Sang To: Matt Johnston Cc: devicetree@vger.kernel.org, linux-i2c@vger.kernel.org, Jeremy Kerr Subject: Re: [PATCH v4] dt-bindings: net: New binding mctp-i2c-controller Message-ID: Mail-Followup-To: Wolfram Sang , Matt Johnston , devicetree@vger.kernel.org, linux-i2c@vger.kernel.org, Jeremy Kerr References: <20210923033406.3166902-1-matt@codeconstruct.com.au> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="WiWswZ2GucEUIAmB" Content-Disposition: inline In-Reply-To: <20210923033406.3166902-1-matt@codeconstruct.com.au> Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org --WiWswZ2GucEUIAmB Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Sep 23, 2021 at 11:34:06AM +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 Acked-by: Wolfram Sang # for the I2C part --WiWswZ2GucEUIAmB Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEOZGx6rniZ1Gk92RdFA3kzBSgKbYFAmFU0lUACgkQFA3kzBSg KbbYoRAApea6QKmxC55pBcMds2GA4s+x1kNnL+6mkIl5O73Y/E42ywh7TnE5TFjN yiPRakjTP82dPi+jSHNaPrQlCpkyFtsJiOc5iuniCXTWQN9OzQCSuvhBzwUarwqu ZkfPha2eRxzaOniuNooLLcDB6uq2ueLlVThtt8kSpNRsPuyMvIrUpg+W3gD5Ai+Y x0oD0zJh6EvVnNzNDc4NdEkddOtdLjrXDgmNW4BJ49iRHZTfzJRbLM+AmnvkIiNa 4oY6OcJjdLUriNHWFww7oJIbVtnt9DkRFi8nAGIOxFc99gnuGTnUAEfk9DJ2Er7d f7oBzmOqKpVjaRraHq4qQzci2rWGE1n29gfcuJapQDh982jjFZK6R67vbjlNsxM5 ITSw6t/WmDqGMBHGvK0KOx+rdANgiHrlUQ4dGv6YWTezcEavLt4gRGoe2mU93Ddu jj/2Y5wCTausF3/4RKdDuMsJWLYxsfIIk+lpCxpbS17vayMPMR301TXdmhOT1/rb abJqvscrUCWvDGQ1zYCMRyk1vfXMvbI/5CiN7H9QVMIiUhpU+bhux/t0tcWfGFyN JX358+G1N2RDuSUtUvyDPn1IOuCZUMvktv9LCSiKogqM3FKrx3R0pqZcblzT1jRz PnArkjzNjuyDoU5nEv3pOFC7urrWa6K/qPqj5JGW3UiaXbWQyCM= =030o -----END PGP SIGNATURE----- --WiWswZ2GucEUIAmB--