From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753270AbbJGKAQ (ORCPT ); Wed, 7 Oct 2015 06:00:16 -0400 Received: from down.free-electrons.com ([37.187.137.238]:40792 "EHLO mail.free-electrons.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1750973AbbJGKAE (ORCPT ); Wed, 7 Oct 2015 06:00:04 -0400 Date: Wed, 7 Oct 2015 11:00:01 +0100 From: Maxime Ripard To: Chen-Yu Tsai Cc: Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , Russell King , Mark Brown , Hans de Goede , shuge@allwinnertech.com, Joe Perches , linux-sunxi@googlegroups.com, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v5 0/5] ARM: sunxi: Add Reduced Serial Bus support Message-ID: <20151007100001.GD2278@lukather> References: <1443700673-24312-1-git-send-email-wens@csie.org> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="AkbCVLjbJ9qUtAXD" Content-Disposition: inline In-Reply-To: <1443700673-24312-1-git-send-email-wens@csie.org> 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 --AkbCVLjbJ9qUtAXD Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Oct 01, 2015 at 07:57:46PM +0800, Chen-Yu Tsai wrote: > Hi everyone, >=20 > This is my fifth attempt at adding support for Allwinner's Reduced > Serial Bus (RSB), which is used to communicate with PMICs and other > peripherals on their newer SoCs, such as the A23/A33/A80. >=20 > RSB is a simplified two wire interface using push-pull outputs, > supporting multiple slaves, address and data parity checks, and > clock speeds up to 20 MHz. The bus only supports simple register > read/writes, with possible register sizes of 8/16/32 bits. Access > sizes not matching the slave device register sizes result in NACKs > or errors. 32 bit registers in devices have yet to be seen. >=20 > v4 and later adds a platform driver for the RSB controller under > drivers/soc/sunxi, which adds a custom driver type and bus type > for slave drivers to use. Custom regmap support is also merged > into the controller driver. Currently the driver only exports 2 > symbols: sunxi_rsb_driver_register() & __devm_regmap_init_sunxi_rsb(). Applied, thanks! Maxime --=20 Maxime Ripard, Free Electrons Embedded Linux, Kernel and Android engineering http://free-electrons.com --AkbCVLjbJ9qUtAXD Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAEBAgAGBQJWFO0hAAoJEBx+YmzsjxAgz6wQAJ4FlnHGZZU1b31BTaoD/Pxg vGD19D2n+MbM6x1V2dZt5fKT4MOmWvEFEfN2BIDNouhydKQZ5H6eTAdNxqtX4coL umEFJtkCVmKXak1/PWFuGiWtEkr3iZGHmKxPJFQzP8C0ceH9+u+u9WhihOVIPPLC ViQ55TFA659dB1mRnOl6ce3JO/6lokESKIE8W9LKK8BIYXZpHXUTr4gXuCX0WTv8 ueo4hlNjfL4M01VfJCgGiaotY2iHOkvYkqsLKjixrm9rwyWst00LGmrUKGmFoLol NAr56xpJUp4zzOsfwV1lhXdE9pHxpXLRlutmB/FT46HFgjI0Ij3qAVbr0Bn5PqFD +YORno9SwMf6SSIJf0cgXiZ6pyHuivTBf8uIFoUSnvIbR16OD0khocJOUvdR4gAY GJDwuotN/4Phw6rVyUNU8owSmQAppZCLTPHAptH66ZnRRugvAkTxrg5RPmPzOjiC wHIP929Ei73tZphDurUYahebSzUWG0bpuAH+eG+51NbBOO3I/VMp8w2fOsesjzHA aYN91NNN3eRdQzf/7wOf98uxIr+/saIDLq6U2TeqievRnMH4zrWU4K49roljOC1w StdMeU4XTzlqXzsBUSpVrEVE1P1941Nf8BgNRzKYJMLeMtA9MZYoFbG7a+FbQbGu gbBzd5htVIp0jLdlQESz =ypIY -----END PGP SIGNATURE----- --AkbCVLjbJ9qUtAXD--