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[209.132.180.67]) by mx.google.com with ESMTP id n2-v6si803780pge.633.2018.06.25.23.50.49; Mon, 25 Jun 2018 23:51:04 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752146AbeFZGt0 (ORCPT + 99 others); Tue, 26 Jun 2018 02:49:26 -0400 Received: from mga05.intel.com ([192.55.52.43]:54710 "EHLO mga05.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751181AbeFZGtZ (ORCPT ); Tue, 26 Jun 2018 02:49:25 -0400 X-Amp-Result: UNKNOWN X-Amp-Original-Verdict: FILE UNKNOWN X-Amp-File-Uploaded: False Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga105.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 25 Jun 2018 23:49:25 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.51,273,1526367600"; d="scan'208";a="67301400" Received: from cblaim-mobl.ger.corp.intel.com (HELO kekkonen.fi.intel.com) ([10.252.34.55]) by fmsmga001.fm.intel.com with ESMTP; 25 Jun 2018 23:49:22 -0700 Received: by kekkonen.fi.intel.com (Postfix, from userid 1000) id 9763E21E18; Tue, 26 Jun 2018 09:49:20 +0300 (EEST) Date: Tue, 26 Jun 2018 09:49:20 +0300 From: Sakari Ailus To: alanx.chiang@intel.com Cc: linux-i2c@vger.kernel.org, andy.yeh@intel.com, andriy.shevchenko@intel.com, rajmohan.mani@intel.com, andy.shevchenko@gmail.com, brgl@bgdev.pl, robh+dt@kernel.org, mark.rutland@arm.com, arnd@arndb.de, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2 1/2] dt-bindings: at24: Add address-width property Message-ID: <20180626064920.65atfoengymu5yjg@kekkonen.localdomain> References: <1529994128-26770-1-git-send-email-alanx.chiang@intel.com> <1529994128-26770-2-git-send-email-alanx.chiang@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1529994128-26770-2-git-send-email-alanx.chiang@intel.com> User-Agent: NeoMutt/20170113 (1.7.2) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Alan, On Tue, Jun 26, 2018 at 02:22:07PM +0800, alanx.chiang@intel.com wrote: > From: "alanx.chiang" > > The AT24 series chips use 8-bit address by default. If some > chips would like to support more than 8 bits, should add the compatible > field for specfic chips in the driver. > > Provide a flexible way to determine the addressing bits through > address-width in this patch. > > Signed-off-by: Alan Chiang > Signed-off-by: Andy Yeh > > --- > since v1: > -- Remove the address-width field in the example. > > --- > Documentation/devicetree/bindings/eeprom/at24.txt | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/Documentation/devicetree/bindings/eeprom/at24.txt b/Documentation/devicetree/bindings/eeprom/at24.txt > index 61d833a..9467482 100644 > --- a/Documentation/devicetree/bindings/eeprom/at24.txt > +++ b/Documentation/devicetree/bindings/eeprom/at24.txt > @@ -72,6 +72,8 @@ Optional properties: > > - wp-gpios: GPIO to which the write-protect pin of the chip is connected. > > + - address-width : number of address bits (one of 8, 16). Please remove the space before the colon; that way it looks the same as the rest. > + > Example: > > eeprom@52 { -- Kind regards, Sakari Ailus sakari.ailus@linux.intel.com