From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rob Herring Subject: Re: [PATCH v4] spi: master driver to enable RTC on ICPDAS LP-8841 Date: Tue, 23 Feb 2016 17:28:21 -0600 Message-ID: <20160223232821.GA14960@rob-hp-laptop> References: <1456105630-28914-1-git-send-email-ynvich@gmail.com> <1456224272-4391-1-git-send-email-ynvich@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <1456224272-4391-1-git-send-email-ynvich-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> Sender: linux-spi-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Sergei Ianovich Cc: linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Mark Brown , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" , "open list:SPI SUBSYSTEM" List-Id: devicetree@vger.kernel.org On Tue, Feb 23, 2016 at 01:44:28PM +0300, Sergei Ianovich wrote: > ICP DAS LP-8841 contains a DS-1302 RTC. This driver provides an SPI > master which makes the RTC usable. The driver is not supposed to work > with anything else. > > The driver uses the standard MicroWire half-duplex transfer timing. > Master output is set on low clock and sensed by the RTC on the rising > edge. Master input is set by the RTC on the trailing edge and is sensed > by the master on low clock. > > Signed-off-by: Sergei Ianovich > CC: Mark Brown > CC: Rob Herring > > v3..v4 > fix Mark Brown review comments > * fix dependencies in Kconfig > > fix Rob Herring review comments > * rewrite binding description > * change binding and doc file names > * fix typo > > v2..v3 to fix Mark Brown review comments > * drop dependencies in Kconfig > * use #ifdef CONFIG_OF to allow build without DT > * drop empty driver->remove > > v1..v2 to fix Mark Brown review comments > * drop ifdef around MODULE_NAME > * use usleep_range directly > * drop empty master->cleanup > --- > .../bindings/spi/icpdas-lp8841-spi-rtc.txt | 54 +++++ Acked-by: Rob Herring -- To unsubscribe from this list: send the line "unsubscribe linux-spi" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html