linux-kernel - Re: [PATCH RESEND v4] spi/pl022: add devicetree support

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Date:	Mon, 20 Aug 2012 17:33:34 +0200
From:	Roland Stigge <stigge@...com.de>
To:	Rob Herring <robherring2@...il.com>
CC:	Alexandre Pereira da Silva <aletes.xgr@...il.com>,
	Grant Likely <grant.likely@...retlab.ca>,
	Rob Landley <rob@...dley.net>,
	devicetree-discuss@...ts.ozlabs.org, linux-doc@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	spi-devel-general@...ts.sourceforge.net,
	"Mark Brown (broonie@...nsource.wolfsonmicro.com)" 
	<broonie@...nsource.wolfsonmicro.com>,
	Linus Walleij <linus.walleij@...aro.org>,
	devicetree-discuss@...ts.ozlabs.org
Subject: Re: [PATCH RESEND v4] spi/pl022: add devicetree support

On 08/20/2012 04:22 PM, Rob Herring wrote:
>>  .../devicetree/bindings/spi/spi_pl022.txt          |   15 +++
>>  drivers/spi/spi-pl022.c                            |  114 ++++++++++++++++----
>>  2 files changed, 110 insertions(+), 19 deletions(-)
>>
>> diff --git a/Documentation/devicetree/bindings/spi/spi_pl022.txt b/Documentation/devicetree/bindings/spi/spi_pl022.txt
>> index 306ec3f..b089ec7 100644
>> --- a/Documentation/devicetree/bindings/spi/spi_pl022.txt
>> +++ b/Documentation/devicetree/bindings/spi/spi_pl022.txt
>> @@ -6,7 +6,22 @@ Required properties:
>>  - interrupts : Should contain SPI controller interrupt
>>  
>>  Optional properties:
>> +- pl022,num-chipselects : total number of chipselects
> 
> We have this for other spi controllers too. Define a generic property.

Currently, we have:

num-cs
ti,spi-num-cs
fsl,spi-num-chipselects
fsl,espi-num-chipselects
(pl022,num-chipselects)

Would "num-cs" be the right one to use?

Thanks,

Roland
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