linux-kernel - Re: [PATCH v2 05/12] of: add J-Core SPI master bindings

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Message-ID: <20160523210618.GF21636@brightrain.aerifal.cx>
Date:	Mon, 23 May 2016 17:06:18 -0400
From:	Rich Felker <dalias@...c.org>
To:	Rob Herring <robh@...nel.org>
Cc:	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-sh@...r.kernel.org,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Mark Rutland <mark.rutland@....com>,
	Pawel Moll <pawel.moll@....com>
Subject: Re: [PATCH v2 05/12] of: add J-Core SPI master bindings

On Mon, May 23, 2016 at 04:00:20PM -0500, Rob Herring wrote:
> On Fri, May 20, 2016 at 02:53:04AM +0000, Rich Felker wrote:
> > Signed-off-by: Rich Felker <dalias@...c.org>
> > ---
> >  .../devicetree/bindings/spi/jcore,spi.txt          | 23 ++++++++++++++++++++++
> >  1 file changed, 23 insertions(+)
> >  create mode 100644 Documentation/devicetree/bindings/spi/jcore,spi.txt
> > 
> > diff --git a/Documentation/devicetree/bindings/spi/jcore,spi.txt b/Documentation/devicetree/bindings/spi/jcore,spi.txt
> > new file mode 100644
> > index 0000000..9055e7d
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/spi/jcore,spi.txt
> > @@ -0,0 +1,23 @@
> > +J-Core SPI master
> > +
> > +Required properties:
> > +
> > +- compatible: Must be "jcore,spi2".
> 
> In general, these all seem a bit generic. You should be able to 
> correlate IP versions to compatible strings.

"spi2" is the name of the "IP core" in the J-Core source tree. The WIP
that adds DMA support and makes some changes is called "spi3" there;
I'll submit a patch adding "jcore,spi3" to the binding file once the
vhdl for it has been released.

Rich