linux-kernel - Re: [PATCH 2/2] ARM: dt: tegra: cardhu: register core regulator tps65911

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Message-ID: <4FD2CFE6.9070500@wwwdotorg.org>
Date:	Fri, 08 Jun 2012 22:24:06 -0600
From:	Stephen Warren <swarren@...dotorg.org>
To:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
CC:	Laxman Dewangan <ldewangan@...dia.com>,
	"olof@...om.net" <olof@...om.net>,
	Stephen Warren <swarren@...dia.com>,
	"linux@....linux.org.uk" <linux@....linux.org.uk>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-tegra@...r.kernel.org" <linux-tegra@...r.kernel.org>
Subject: Re: [PATCH 2/2] ARM: dt: tegra: cardhu: register core regulator tps65911

On 06/08/2012 09:06 PM, Mark Brown wrote:
> On Sat, Jun 09, 2012 at 12:52:03AM +0530, Laxman Dewangan wrote:
> 
>> So is it fine to go on the above binding?
>> In this case we need to find the match_regulator based on
>> regulator-id rather than by name.
> 
> I guess.  I'm not enthusiastic about it (some way of using the key/value
> nature of DT as a hash would be much nicer) but it seems that the
> combination of DT and the existing code for it can't really give us
> more.  
> 
> If we're going to do this we need to update all the existing DT bindings
> for drivers that use single node regulators like this.  Please also
> change the name used for the property to regulator-compatible to make it
> clear that the idea is the same as normal compatible properties.

I'm not sure of the logic behind naming the property
"regulator-compatible"; the standard compatible property identifies that
the node is of a particular type/class, whereas the regulator-id in the
example Laxman quoted would indicate the specific identity/object. Those
seem like different things.
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