[PATCH v7 10/16] reset: Add a reset controller driver for the Lantiq XWAY based SoCs

Rob Herring robh at kernel.org
Fri Jul 7 07:17:44 PDT 2017

On Mon, Jul 03, 2017 at 10:51:51AM +0300, Andy Shevchenko wrote:
> On Mon, Jul 3, 2017 at 1:40 AM, Hauke Mehrtens <hauke at hauke-m.de> wrote:
> > From: Martin Blumenstingl <martin.blumenstingl at googlemail.com>
> >
> > The reset controllers (on xRX200 and newer SoCs have two of them) are
> > provided by the RCU module. This was initially implemented as a simple
> > reset controller. However, the RCU module provides more functionality
> > (ethernet GPHYs, USB PHY, etc.), which makes it a MFD device.
> > The old reset controller driver implementation from
> > arch/mips/lantiq/xway/reset.c did not honor this fact.
> >
> > For some devices the request and the status bits are different.
> > +Required properties:
> > +- compatible           : Should be one of
> > +                               "lantiq,danube-reset"
> > +                               "lantiq,xrx200-reset"
> > +- offset-set           : Offset of the reset set register
> > +- offset-status                : Offset of the reset status register
> Just one side comment (I'm fine with either choice, just for your
> information). Recently I have reviewed at24 patch which adds a
> property for getting MAC offset and my reseach ends up with the naming
> pattern mac-offset (as many others are doing this way). So, perhaps in
> your case it might make sense to do that way? Anyway, it's a matter of
> a (bit of a) chaos in DT bindings, whatever you decide users will live
> with.

Not a pattern I want to standardize. Describing offsets is generally an 
indication of the compatible not being specific enough.


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