From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753334AbcG2VRl (ORCPT ); Fri, 29 Jul 2016 17:17:41 -0400 Received: from mail-oi0-f65.google.com ([209.85.218.65]:34135 "EHLO mail-oi0-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751640AbcG2VRe (ORCPT ); Fri, 29 Jul 2016 17:17:34 -0400 Date: Fri, 29 Jul 2016 16:17:32 -0500 From: Rob Herring To: Peter Rosin Cc: linux-kernel@vger.kernel.org, Wolfram Sang , Mark Rutland , Guenter Roeck , "David S. Miller" , Greg Kroah-Hartman , Andrew Morton , Kalle Valo , Mauro Carvalho Chehab , Emil Velikov , linux-i2c@vger.kernel.org, devicetree@vger.kernel.org, Crestez Dan Leonard Subject: Re: [PATCH 1/7] dt-bindings: i2c: add support for 'i2c-mux' subnode Message-ID: <20160729211732.GA6288@rob-hp-laptop> References: <1469609010-23049-1-git-send-email-peda@axentia.se> <1469609010-23049-2-git-send-email-peda@axentia.se> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1469609010-23049-2-git-send-email-peda@axentia.se> User-Agent: Mutt/1.5.24 (2015-08-30) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Jul 27, 2016 at 10:43:24AM +0200, Peter Rosin wrote: > Similar to the new optional 'i2c-bus' subnode from Jon Hunter, this > adds an optional 'i2c-mux' subnode, for similar reasons. I.e. it is > bad of the i2c mux core to assume that any subnode of an i2c mux device > is a potential (when the 'reg' property matches) i2c-mux child bus, > given that i2c mux devices might do more than mux i2c traffic. > > So, if an 'i2c-mux' subnode is present, dictate that all i2c-mux child > buses exist beneath that subnode. > > Signed-off-by: Peter Rosin > --- > Documentation/devicetree/bindings/i2c/i2c-mux.txt | 23 ++++++++++++++++++----- > 1 file changed, 18 insertions(+), 5 deletions(-) Acked-by: Rob Herring