linux-kernel - Re: [PATCH 2/2] memory: ti-aemif: add bindings for AEMIF driver

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Date:	Wed, 20 Nov 2013 21:03:06 +0200
From:	"ivan.khoronzhuk" <ivan.khoronzhuk@...com>
To:	Jean-Christophe PLAGNIOL-VILLARD <plagnioj@...osoft.com>
CC:	Santosh Shilimkar <santosh.shilimkar@...com>,
	Rob Landley <rob@...dley.net>,
	Russell King <linux@....linux.org.uk>,
	Mark Rutland <mark.rutland@....com>,
	<devicetree@...r.kernel.org>, <grygorii.strashko@...com>,
	Pawel Moll <pawel.moll@....com>,
	Stephen Warren <swarren@...dotorg.org>,
	<gregkh@...uxfoundation.org>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...nel.crashing.org>,
	Rob Herring <rob.herring@...xeda.com>,
	<linux-kernel@...r.kernel.org>, <linux-mtd@...ts.infradead.org>,
	<linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH 2/2] memory: ti-aemif: add bindings for AEMIF driver

On 11/20/2013 08:21 PM, Jean-Christophe PLAGNIOL-VILLARD wrote:
>> +				the chip select signal.
>> +				Minimum value is 1 (0 treated as 1).
>> +
>> +- ti,cs-wsetup:		write setup width, ns
>> +				Time between the beginning of a memory cycle
>> +				and the activation of write strobe.
>> +				Minimum value is 1 (0 treated as 1).
>> +
>> +- ti,cs-wstrobe:	write strobe width, ns
>> +				Time between the activation and deactivation of
>> +				the write strobe.
>> +				Minimum value is 1 (0 treated as 1).
>> +
>> +- ti,cs-whold:		write hold width, ns
>> +				Time between the deactivation of the write
>> +				strobe and the end of the cycle (which may be
>> +				either an address change or the deactivation of
>> +				the chip select signal.
>> +				Minimum value is 1 (0 treated as 1).
>> +
>> +If any of the above parameters are absent, current parameter value will be taken
>> +from the corresponding HW reg.
>> +
>> +The name for cs node must be in format csN, where N is the cs number.
> 
> this is wired we should use reg instead to represent the cs as done for SPI
> or a an other property
> 
> Best Regards,
> J.
> 

Ok, I will add new property cs-chipselect like following :

ti,cs-chipselect:	number of chipselect. Indicates on the
			aemif driver which chipselect is used
			for accessing the memory.
			For compatibles "ti,davinci-aemif" and 
			"ti,keystone-aemif" it can be in range [0-3].
			For compatible "ti,omap-L138-aemif" range is [2-5].

Is it OK?

-- 
Regards,
Ivan Khoronzhuk
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