linux-kernel - Re: [PATCH V3] regulators: anatop: add set_voltage_time

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Message-ID: <20130131064038.GA7663@opensource.wolfsonmicro.com>
Date:	Thu, 31 Jan 2013 14:40:42 +0800
From:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
To:	Anson Huang <b20788@...escale.com>
Cc:	devicetree-discuss@...ts.ozlabs.org, linux-doc@...r.kernel.org,
	linux-kernel@...r.kernel.org, grant.likely@...retlab.ca,
	rob.herring@...xeda.com, rob@...dley.net, shawn.guo@...aro.org
Subject: Re: [PATCH V3] regulators: anatop: add set_voltage_time_sel interface

On Thu, Jan 31, 2013 at 11:23:53AM -0500, Anson Huang wrote:
> some of anatop's regulators(cpu, vddpu and vddsoc) have
> register settings about LDO's step time, which will impact
> the LDO ramp up speed, need to use set_voltage_time_sel
> interface to add necessary delay everytime LDOs' voltage
> is increased.

Applied, thanks.  It does seem like...

> +#define LDO_RAMP_UP_UNIT_IN_CYCLES      64 /* 64 cycles per step */
> +#define LDO_RAMP_UP_FREQ_IN_MHZ         24 /* cycle based on 24M OSC */

...this ought to go into device tree too (at least the oscillator
frequency).

Please do also use subject lines appropriate to the subsystem.

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