Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754850AbbK3PNb (ORCPT ); Mon, 30 Nov 2015 10:13:31 -0500 Received: from sauhun.de ([89.238.76.85]:33289 "EHLO pokefinder.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754472AbbK3PN0 (ORCPT ); Mon, 30 Nov 2015 10:13:26 -0500 Date: Mon, 30 Nov 2015 16:13:20 +0100 From: Wolfram Sang To: Ludovic Desroches Cc: nicolas.ferre@atmel.com, alexandre.belloni@free-electrons.com, plagnioj@jcrosoft.com, linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, cyrille.pichen@atmel.com, Wenyou Yang Subject: Re: [PATCH 1/3] i2c: at91: add setting HOLD field of TWIHS_CWGR via DT Message-ID: <20151130151319.GM1513@katana> References: <1448372862-11912-1-git-send-email-ludovic.desroches@atmel.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="FxlYARId5dseejUu" Content-Disposition: inline In-Reply-To: <1448372862-11912-1-git-send-email-ludovic.desroches@atmel.com> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1850 Lines: 46 --FxlYARId5dseejUu Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Nov 24, 2015 at 02:47:40PM +0100, Ludovic Desroches wrote: > From: Wenyou Yang >=20 > Add the HOLD field management. Some i2c devices need a longer data hold > time than the one given in the i2c bus specification. Since this value > depends on the i2c device connected to the bus, add a DT property to > configure it: "atmel,twd-hold-cycles". We already have "i2c-sda-hold-time-ns". Can you use that one? Sorry that this is not obviously documented, I am working on it... --FxlYARId5dseejUu Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAEBAgAGBQJWXGePAAoJEBQN5MwUoCm20IkQAIUT+8p9jBSDz5FuJ6ODvovU Z1LsU1sZ/tJLbVtsMArkPmMwm1KUrxrReQWzqRkq9FbhOuHM7oCzgsim+sDjDGIV diS6CX+B3FH9DDeACv+shppfO7Ng3Jx3qrvd+6P/sSxhrOXL+waRYo1DNhgAEG68 aoMQmiukrJ2cRYTk8cyaVgwUBlSFtyfA3v6hwrDaQI2N5jOdhS0kPRCHD1GzqmSh 9xz86d+39HNUXMZfa92OTJJGoVTTCkFyRLIXT1shfF7wPxocvtEGvSFNJ0wkbffF QSm2BxYxS/Pw9qY26Vu2s8Yr1UlSOId4g86qhKvG8XRWYnGJZS4NJ+O1ladEYabx mkWJccfY2Wr1E3AF6rhaDws3qlhxgfy289y5W3l5Pq+EfaxvHWpDTgLOYoFLNxx4 ffo04SxihJSn0uQP+17noYMjZG3/AIydi9yliPN6aN2PL1GyYXzrbkpz1oME/yFg Y0HlZLHkX1JkAIGezznifsMrT3FW5l37amjnTXyhOmCZZFD0ZQbUV0gsl0J1ugvm 13kjCWYTNo50nkzyD54vSiRfj8TUerVRqGz8lLxxUjAma4lBmQFiUCBHM3nIxood 1vO9ICXSiGiFwEnIsnvVvMfiT2Ah8FMnrPwteeNoDuK9zTGKmAbAyPM7K1Ur8pno TPwOsuzA4c+kPuGbsz1b =aJlr -----END PGP SIGNATURE----- --FxlYARId5dseejUu-- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/