linux-kernel - Re: [PATCH 1/2] mmc: arasan: Add driver for Arasan SDHCI

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Date:	Mon, 28 Oct 2013 15:50:36 -0700
From:	Sören Brinkmann <soren.brinkmann@...inx.com>
To:	Tomasz Figa <tomasz.figa@...il.com>
CC:	Rob Herring <rob.herring@...xeda.com>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Stephen Warren <swarren@...dotorg.org>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Rob Landley <rob@...dley.net>,
	Russell King <linux@....linux.org.uk>,
	Chris Ball <cjb@...top.org>,
	Michal Simek <michal.simek@...inx.com>,
	Grant Likely <grant.likely@...aro.org>,
	<linux-kernel@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	<linux-mmc@...r.kernel.org>, <linux-doc@...r.kernel.org>,
	<devicetree@...r.kernel.org>
Subject: Re: [PATCH 1/2] mmc: arasan: Add driver for Arasan SDHCI

On Mon, Oct 28, 2013 at 11:19:13PM +0100, Tomasz Figa wrote:
> On Monday 28 of October 2013 14:47:38 Sören Brinkmann wrote:
> > On Mon, Oct 28, 2013 at 10:16:49PM +0100, Tomasz Figa wrote:
> > > Hi Soren,
> > > 
> > > On Tuesday 15 of October 2013 12:08:04 Soren Brinkmann wrote:
> > > > Add a driver for Arasan's SDHCI controller core.
> > > > 
> > > > Signed-off-by: Soren Brinkmann <soren.brinkmann@...inx.com>
> > > > ---
> > > > 
> > > >  .../devicetree/bindings/mmc/arasan,sdhci.txt       |  23 +++
> > > >  MAINTAINERS                                        |   1 +
> > > >  drivers/mmc/host/Kconfig                           |  12 ++
> > > >  drivers/mmc/host/Makefile                          |   1 +
> > > >  drivers/mmc/host/sdhci-of-arasan.c                 | 224
> > > > 
> > > > +++++++++++++++++++++ 5 files changed, 261 insertions(+)
> > > > 
> > > >  create mode 100644
> > > > 
> > > > Documentation/devicetree/bindings/mmc/arasan,sdhci.txt create mode
> > > > 100644 drivers/mmc/host/sdhci-of-arasan.c
> > > > 
> > > > diff --git a/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt
> > > > b/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt new file
> > > > mode
> > > > 100644
> > > > index 000000000000..20f0fc25e270
> > > > --- /dev/null
> > > > +++ b/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt
> > > > @@ -0,0 +1,23 @@
> > > > +Device Tree Bindings for the Arasan SDCHI Controller
> > > > +
> > > > +  The bindings follow the mmc[1] and the clock bindings[2]. Only
> > > > deviations are +  documented here.
> > > > +
> > > > +  [1] Documentation/devicetree/bindings/mmc/mmc.txt
> > > > +  [2] Documentation/devicetree/bindings/clock/clock-bindings.txt
> > > > +
> > > 
> > > > +Required Properties:
> > > According to the example below, the list of required properties lacks
> > > interrupt-related properties.
> > 
> > Well, the interrupt bindings seem to differ between platforms and
> > architecture and looking at documentation for other sdhci bindings it
> > seemed to be okay to avoid documenting them in this place.
> 
> Sure, but I believe that this controller always has an interrupt signal, 
> so at least it should be marked that interrupts need to be specified.
Okay, I'll add these lines:
  - interrupts: Interrupt specifier                                              
  - interrupt-parent: Phandle for the interrupt controller that services                                 
                      interrupts for this device.

	Sören


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