linux-kernel - Re: [PATCH v2 3/5] regulator: helper routine to extract regulator_init

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Message-ID: <20111020201054.GN3842@atomide.com>
Date:	Thu, 20 Oct 2011 13:10:55 -0700
From:	Tony Lindgren <tony@...mide.com>
To:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
Cc:	patches@...aro.org, devicetree-discuss@...ts.ozlabs.org,
	linux-kernel@...r.kernel.org, linux-omap@...r.kernel.org,
	lrg@...com, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v2 3/5] regulator: helper routine to extract
 regulator_init_data

* Mark Brown <broonie@...nsource.wolfsonmicro.com> [111020 12:23]:
> On Thu, Oct 20, 2011 at 10:22:19AM -0700, Tony Lindgren wrote:
> 
> > Hmm, actually, can't we just pass the board specific configuration in
> > the board specific .dts file and then it gets merged in with the
> > arch independent DT node?
> 
> I don't understand what an "arch independent DT node" would be?

Well that's the standard non-Linux specific parts. Basically what's
in the $Subject patch minus what you commented on earlier:

> +- regulator-change-voltage: boolean, Output voltage can be changed by software
> +- regulator-change-current: boolean, Output current can be chnaged by software
> +- regulator-change-mode: boolean, Operating mode can be changed by software
> +- regulator-change-status: boolean, Enable/Disable control for regulator exists
> +- regulator-change-drms: boolean, Dynamic regulator mode switching is enabled
> +- regulator-mode-fast: boolean, allow/set fast mode for the regulator
> +- regulator-mode-normal: boolean, allow/set normal mode for the regulator
> +- regulator-mode-idle: boolean, allow/set idle mode for the regulator
> +- regulator-mode-standby: boolean, allow/set standby mode for the regulator
> +- regulator-input-uV: Input voltage for regulator when supplied by another regulator
> +- regulator-always-on: boolean, regulator should never be disabled

We still need to figure out how to get the above board specific
data to the device driver probe in a way where we can avoid having
platform glue code. Any thoughts on that?

Tony
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