linux-kernel - Re: [PATCH v3 02/11] mfd: syscon: Add Atmel Matrix bus DT binding documentation

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Date:	Wed, 3 Dec 2014 15:52:35 +0100
From:	Boris Brezillon <boris.brezillon@...e-electrons.com>
To:	Nicolas Ferre <nicolas.ferre@...el.com>
Cc:	"Jean-Christophe Plagniol-Villard" <plagnioj@...osoft.com>,
	Alexandre Belloni <alexandre.belloni@...e-electrons.com>,
	Andrew Victor <linux@...im.org.za>,
	Samuel Ortiz <sameo@...ux.intel.com>,
	Lee Jones <lee.jones@...aro.org>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	"Mark Rutland" <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	<devicetree@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	<linux-kernel@...r.kernel.org>, "Arnd Bergmann" <arnd@...db.de>,
	Jean-Jacques Hiblot <jjhiblot@...phandler.com>
Subject: Re: [PATCH v3 02/11] mfd: syscon: Add Atmel Matrix bus DT binding
 documentation

Hi Nicolas,

On Wed, 3 Dec 2014 15:32:49 +0100
Nicolas Ferre <nicolas.ferre@...el.com> wrote:

> Le 01/12/2014 11:27, Boris Brezillon a écrit :
> > The Matrix registers are provided to configure internal bus behavior on
> > at91 SoCs.
> > Some registers might be access by several drivers (e.g. to configure
> > external memory bus timings), hence we declare this register set as a
> > syscon device.
> > 
> > Signed-off-by: Boris Brezillon <boris.brezillon@...e-electrons.com>
> > Acked-by: Lee Jones <lee.jones@...aro.org>
> > ---
> >  .../devicetree/bindings/mfd/atmel-matrix.txt       | 24 ++++++++++++++++++++++
> >  1 file changed, 24 insertions(+)
> >  create mode 100644 Documentation/devicetree/bindings/mfd/atmel-matrix.txt
> > 
> > diff --git a/Documentation/devicetree/bindings/mfd/atmel-matrix.txt b/Documentation/devicetree/bindings/mfd/atmel-matrix.txt
> > new file mode 100644
> > index 0000000..e56e27a
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/mfd/atmel-matrix.txt
> > @@ -0,0 +1,24 @@
> > +* Device tree bindings for Atmel Bus Matrix
> > +
> > +The Bus Matrix registers are used to configure Atmel SoCs internal bus
> > +behavior (master/slave priorities, undefined burst length type, ...)
> > +
> > +Required properties:
> > +- compatible:		Should be one of the following
> > +			"atmel,at91sam9260-matrix", "syscon"
> > +			"atmel,at91sam9261-matrix", "syscon"
> > +			"atmel,at91sam9263-matrix", "syscon"
> > +			"atmel,at91sam9263-matrix", "syscon"
> 
> Same string as the preceding one: shouldn't it be at91sam9rl?

Indeed, and macro definitions for the 9rl are also missing in the
atmel-matrix.h header.

Thanks,

Boris

-- 
Boris Brezillon, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com
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