linux-kernel - Re: [PATCH] mfd: palmas: provide irq flags through DT/platform data

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Date:	Fri, 01 Mar 2013 12:34:40 -0700
From:	Stephen Warren <swarren@...dotorg.org>
To:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
CC:	Laxman Dewangan <ldewangan@...dia.com>,
	"sameo@...ux.intel.com" <sameo@...ux.intel.com>,
	"gg@...mlogic.co.uk" <gg@...mlogic.co.uk>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Stephen Warren <swarren@...dia.com>,
	"ian@...mlogic.co.uk" <ian@...mlogic.co.uk>
Subject: Re: [PATCH] mfd: palmas: provide irq flags through DT/platform data

On 03/01/2013 06:16 AM, Mark Brown wrote:
> On Fri, Mar 01, 2013 at 06:25:24PM +0530, Laxman Dewangan wrote:
>> On Friday 01 March 2013 06:13 PM, Mark Brown wrote:
> 
>>> This can't be a generic problem on ARM systems, I'm pretty sure
>>> the primary users of palmas would've noticed, this is more of a
>>> new feature isn't it?
> 
>> I think it is tested with eval board and connected to gpio
>> interrupt and hence it is not noticed.
> 
> One of the palmas chips is the default PMIC for OMAP5 isn't it?

A tangential question more re: DT bindings for it:

Is Palmas a family of chips rather than a single chip then? That
implies that the DT would need two compatible values, e.g.:

compatible = "ti,12345", "ti,palmas";

... where "12345" is the actual chip name.

... rather than just the following which IIRC was in the example in
the DT binding document in another patch series:

compatible = "ti,palmas";
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