From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jason Cooper Subject: Re: [PATCH] rtc: ds1307: add trickle charger device tree binding Date: Fri, 29 Aug 2014 08:48:29 -0400 Message-ID: <20140829124829.GD3683@titan.lakedaemon.net> References: <20140828125915.GJ14650@leverpostej> <20140828155157.GB23677@roeck-us.net> <20140828161025.GO14650@leverpostej> <20140828164825.GA12153@roeck-us.net> <20140828172842.GF12769@titan.lakedaemon.net> <20140828174034.GC15307@roeck-us.net> <20140829073413.GN4587@fi-ourus-dhcp00977.emea.nsn-net.net> <20140829104001.GB19424@leverpostej> <20140829122452.GA3683@titan.lakedaemon.net> <20140829124216.GD21473@leverpostej> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <20140829124216.GD21473@leverpostej> Sender: linux-kernel-owner@vger.kernel.org To: Mark Rutland Cc: Matti Vaittinen , ext Guenter Roeck , "a.zummo@towertech.it" , "jic23@kernel.org" , "arno@natisbad.org" , "jgunthorpe@obsidianresearch.com" , "san@rosetechnology.dk" , "hs@denx.de" , "devicetree@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "rtc-linux@googlegroups.com" , Sverdlin Alexander List-Id: devicetree@vger.kernel.org On Fri, Aug 29, 2014 at 01:42:16PM +0100, Mark Rutland wrote: > On Fri, Aug 29, 2014 at 01:24:52PM +0100, Jason Cooper wrote: > > On Fri, Aug 29, 2014 at 11:40:02AM +0100, Mark Rutland wrote: ... Someone wrote: > > > > > > > http://datasheets.maximintegrated.com/en/ds/DS1307.pdf > > > > > > > http://datasheets.maximintegrated.com/en/ds/DS1337.pdf > > > > > > > http://datasheets.maximintegrated.com/en/ds/DS1338.pdf > > > > > > > http://datasheets.maximintegrated.com/en/ds/DS1339.pdf > > > > > > > http://datasheets.maximintegrated.com/en/ds/DS1340.pdf > > > > > > > http://datasheets.maximintegrated.com/en/ds/DS1388.pdf > > > > > > > http://datasheets.maximintegrated.com/en/ds/DS3231.pdf ... > > > I would suggest we have two properties that describe the resistor's > > > rating and whether or not there is a diode: > > > > > > trickle-resistor-ohms = <250> > > > diode-connected; > > > > I much prefer this solution over my own suggestion. With one small > > change, s/diode-connected/trickle-diode-enable/ Does that sound ok? > > I'm not too keen on 'enable'; I was under the impression that this > described whether or not there was an external diode. Perhaps I've > misunderstood? iiuc from the link ds1339 ds, the register configuration is enabling internal diodes and resistors for the trickle charge configuration. I may have read it incorrectly, though. In either case, my main point was to prepend 'trickle-' to the property to more accurately describe what it is toggling. thx, Jason.