linux-kernel - Re: [PATCH 4/5] cpufreq: imx6q: add ldo-bypass support

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Date:	Mon, 5 Jan 2015 06:38:50 -0800
From:	Tim Harvey <tharvey@...eworks.com>
To:	Mark Brown <broonie@...nel.org>,
	Fabio Estevam <festevam@...il.com>,
	Philipp Zabel <p.zabel@...gutronix.de>,
	Shawn Guo <shawn.guo@...aro.org>
Cc:	linux-kernel <linux-kernel@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	Lucas Stach <l.stach@...gutronix.de>,
	Silvio F <silvio.fricke@...il.com>,
	Christian Hemp <c.hemp@...tec.de>,
	Russell King <rmk+kernel@....linux.org.uk>,
	Iain Paton <ipaton0@...il.com>, Anson.Huang@...escale.com
Subject: Re: [PATCH 4/5] cpufreq: imx6q: add ldo-bypass support

On Fri, Dec 19, 2014 at 8:23 AM, Mark Brown <broonie@...nel.org> wrote:
> On Fri, Dec 19, 2014 at 08:17:41AM -0800, Tim Harvey wrote:
>
>> frequency setpoint. If however you have an external PMIC that is
>> capable of adjusting the VDD_ARM and VDD_SOC to the IMX6 and an
>> appropriate regulator driver is capable of doing so, you must
>> configure the cpu nodes vddarm and vddsoc regulators to those provided
>> by your PMIC and 'bypass' the internal LDO's by setting their scaling
>
> You're describing the implementation again, not the system.  Describe
> the system then if you want to describe the solution you've come up with
> for modelling it do so separately.
>
> Please also try to use paragraphs to break up what you're saying a bit.

Mark,

I'm not sure I'm understanding what your asking for or how to describe
it differently. Fabio / Shawn / Philipp could you help me out here
with the proper explanation of the IMX6 LDO's so that we can make some
progress on getting LDO bypass implemented?

Regards,

Tim
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