From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from guitar.tcltek.co.il ([192.115.133.116] helo=mx.tkos.co.il) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1f81Es-0000xH-M2 for barebox@lists.infradead.org; Mon, 16 Apr 2018 10:20:01 +0000 Date: Mon, 16 Apr 2018 13:19:39 +0300 From: Baruch Siach Message-ID: <20180416101939.yggybypgs3ahr76b@sapphire.tkos.co.il> References: <38a86524d3ed4ff2b2306a3bb52fb312@eckelmann.de> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <38a86524d3ed4ff2b2306a3bb52fb312@eckelmann.de> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Sender: "barebox" Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: Re: Question about barebox*/drivers/mfd/mc34704.c and =?utf-8?Q?A?= =?utf-8?Q?CCURATE_I=C2=B2C?= mode ... To: "Mainz, Roland" Cc: barebox@lists.infradead.org Hi Roland, On Mon, Apr 16, 2018 at 09:52:14AM +0000, Mainz, Roland wrote: > Two small questions about drivers/mfd/mc34704.c in the barebox codebase: > 1. mc34704 has an ACCURATE bit (I2CSET1, see = > https://www.nxp.com/docs/en/data-sheet/MC34704.pdf) which requires that a= ll = > read/write commands are send twice - does the barebox code have any suppo= rt = > for that in the current versions ? > 2. Is this "accurate I=B2C communication mode" enabled by that bit a = > vendor-specific protocol extension or is it part of the I=B2C standard ? Please send your Barebox related questions to the barebox mailing list. I = added the list to Cc. To the best of my knowledge there is no "twice" mode in the I2C standard. T= he = mc34704 driver does not seem to support this mode. baruch -- = http://baruch.siach.name/blog/ ~. .~ Tk Open Systems =3D}------------------------------------------------ooO--U--Ooo------------= {=3D - baruch@tkos.co.il - tel: +972.2.679.5364, http://www.tkos.co.il - _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox