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 X-Spam-Level: X-Spam-Status: No, score=-10.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E379CC433DF for ; Wed, 15 Jul 2020 20:38:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B7A8720771 for ; Wed, 15 Jul 2020 20:38:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1594845526; bh=VVOAK3dQbkuiLYmcRsOESRTZ3VVN7/fDRyT9NhZt/5Y=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=QiTyGtORtU2pgS957OZwPOdygV/yYLl8G1XH+moLM7vtZsYJ+/tKzWxNiu5h61KJB GAqcMngCpse9lvWD9TElY8xBDVBjpW73ZmhjWHSsDJRfpC01nmpYOsq/fS5LSFduxZ ObLnNZdWabMzoYQDLXIqIefXqRPqXJqfCBb6tzCg= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726742AbgGOUiq (ORCPT ); Wed, 15 Jul 2020 16:38:46 -0400 Received: from mail-il1-f193.google.com ([209.85.166.193]:40793 "EHLO mail-il1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726370AbgGOUip (ORCPT ); Wed, 15 Jul 2020 16:38:45 -0400 Received: by mail-il1-f193.google.com with SMTP id e18so3176325ilr.7; Wed, 15 Jul 2020 13:38:45 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=jg/X/vpGxWxvwTtPuVd1zmcZHSjHp/pT1OFJo4RhoVo=; b=fjNWmQLZpcfK8jx0h6p1pjaRvd1IG3zjI/gt9si7hZw8AxX2QJrnh1dIo7w4KkOAg4 VrsDMtrDvNz3V78J3al/QqST4rQs28GWbDtBvSQfpGHm2CF6qdujTNmaIdP8x0fGHn7n nVW69YzeqjfkdS/Agtzk0N2FZSZDsehedtBUBWxxGjLPH42r1yKvSXHkNwcKHK1YK9pm ZQ/bShzUf1zttG6dVC5TCkrsJgM55MOmXpjszNR9w6hiJ/68h0wRbhsY5fl44zfFOK2J ljAfEvH71thBmbTNynzo9P3Q7Ta5SFMBaal7iQtE/0sn6laYTSbpKItLxMc+MFLgy6Lc SQDw== X-Gm-Message-State: AOAM5335pUrZeP3lbdRkN+UzTLZwCHQ3IU0UMaFHJVd0d9xGIq63iOmp cPUX/KpB2JI4Uy3lTXK1Bwgv9f1pIQ== X-Google-Smtp-Source: ABdhPJz0SK92/suN4UomLrs3EqKOwsXIY3wPt5SN3z7HrnBvRvVJIXZ5w5poRYlUtD5KO6O1SszALQ== X-Received: by 2002:a92:ca8d:: with SMTP id t13mr1241550ilo.274.1594845524792; Wed, 15 Jul 2020 13:38:44 -0700 (PDT) Received: from xps15 ([64.188.179.252]) by smtp.gmail.com with ESMTPSA id i9sm1642617ile.48.2020.07.15.13.38.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 15 Jul 2020 13:38:44 -0700 (PDT) Received: (nullmailer pid 778616 invoked by uid 1000); Wed, 15 Jul 2020 20:38:43 -0000 Date: Wed, 15 Jul 2020 14:38:43 -0600 From: Rob Herring To: Wolfram Sang Cc: linux-i2c@vger.kernel.org, linux-renesas-soc@vger.kernel.org, devicetree@vger.kernel.org, Alain Volmat Subject: Re: [PATCH] i2c: add binding to mark a bus as SMBus Message-ID: <20200715203843.GA776042@bogus> References: <20200701214830.3174-1-wsa+renesas@sang-engineering.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200701214830.3174-1-wsa+renesas@sang-engineering.com> Sender: linux-i2c-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-i2c@vger.kernel.org On Wed, Jul 01, 2020 at 11:48:30PM +0200, Wolfram Sang wrote: > SMBus is largely compatible with I2C but there are some specifics. In > case we need them on a bus, we can now use this new binding. > > Signed-off-by: Wolfram Sang > --- > Documentation/devicetree/bindings/i2c/i2c.txt | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/Documentation/devicetree/bindings/i2c/i2c.txt b/Documentation/devicetree/bindings/i2c/i2c.txt > index 438ae123107e..d1f8cf3bd236 100644 > --- a/Documentation/devicetree/bindings/i2c/i2c.txt > +++ b/Documentation/devicetree/bindings/i2c/i2c.txt > @@ -77,6 +77,11 @@ wants to support one of the below features, it should adapt these bindings. > this information to detect a stalled bus more reliably, for example. > Can not be combined with 'multi-master'. > > +- smbus This is a boolean? > + states that additional SMBus restrictions and features apply to this bus. > + Examples of features are SMBusHostNotify and SMBusAlert. Examples of Do features need to be enumerated separately? > + restrictions are more reserved addresses and timeout definitions. > + > Required properties (per child device) > -------------------------------------- > > -- > 2.27.0 >