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| Path | csiph.com!eternal-september.org!feeder.eternal-september.org!aioe.org!bofh.it!news.nic.it!robomod |
|---|---|
| From | Maxime Ripard <maxime.ripard@free-electrons.com> |
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH v5 0/5] ARM: sunxi: Add Reduced Serial Bus support |
| Date | Wed, 07 Oct 2015 12:10:03 +0200 |
| Message-ID | <qgTPB-1CH-29@gated-at.bofh.it> (permalink) |
| References | <qeKQq-3yE-27@gated-at.bofh.it> |
| X-Original-To | Chen-Yu Tsai <wens@csie.org> |
| MIME-Version | 1.0 |
| Content-Type | multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="AkbCVLjbJ9qUtAXD" |
| Content-Disposition | inline |
| User-Agent | Mutt/1.5.23 (2014-03-12) |
| Sender | robomod@news.nic.it |
| List-ID | <linux-kernel.vger.kernel.org> |
| X-Mailing-List | linux-kernel@vger.kernel.org |
| Approved | robomod@news.nic.it |
| Lines | 62 |
| Organization | linux.* mail to news gateway |
| X-Original-Cc | Rob Herring <robh+dt@kernel.org>, Pawel Moll <pawel.moll@arm.com>, Mark Rutland <mark.rutland@arm.com>, Ian Campbell <ijc+devicetree@hellion.org.uk>, Kumar Gala <galak@codeaurora.org>, Russell King <linux@arm.linux.org.uk>, Mark Brown <broonie@kernel.org>, Hans de Goede <hdegoede@redhat.com>, shuge@allwinnertech.com, Joe Perches <joe@perches.com>, linux-sunxi@googlegroups.com, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org |
| X-Original-Date | Wed, 7 Oct 2015 11:00:01 +0100 |
| X-Original-Message-ID | <20151007100001.GD2278@lukather> |
| X-Original-References | <1443700673-24312-1-git-send-email-wens@csie.org> |
| X-Original-Sender | linux-kernel-owner@vger.kernel.org |
| Xref | csiph.com linux.kernel:1241307 |
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On Thu, Oct 01, 2015 at 07:57:46PM +0800, Chen-Yu Tsai wrote: > Hi everyone, > > 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. > > 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. > > 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 -- Maxime Ripard, Free Electrons Embedded Linux, Kernel and Android engineering http://free-electrons.com
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Re: [PATCH v5 0/5] ARM: sunxi: Add Reduced Serial Bus support Maxime Ripard <maxime.ripard@free-electrons.com> - 2015-10-07 12:10 +0200
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