linux-kernel - Re: [PATCH 5/5] regulator: tps65090: add external control support for DCDC

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Date:	Tue, 9 Oct 2012 11:51:19 +0530
From:	Laxman Dewangan <ldewangan@...dia.com>
To:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
CC:	"lrg@...com" <lrg@...com>,
	"sameo@...ux.intel.com" <sameo@...ux.intel.com>,
	Venu Byravarasu <vbyravarasu@...dia.com>,
	"axel.lin@...il.com" <axel.lin@...il.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 5/5] regulator: tps65090: add external control support
 for DCDC

On Tuesday 09 October 2012 11:58 AM, Mark Brown wrote:
> On Sat, Oct 06, 2012 at 08:47:51PM +0530, Laxman Dewangan wrote:
>> The TPS65090's DCDC outut can also be enable/disable through the
>> external digital input signal. Add support for enable/disable
>> either through register access via I2C or through external
>> control inputs. The external control inputs can be driven through
>> GPIOs also and hence adding support for passing the GPIO number.
> There's support for GPIO driven enable lines in the framework already,
> this driver should be able to use this happily, this sort of hardware is
> exactly the use case it was written for.

yes, I am using the gpio driven enable lines in the framework.
This patch does the some configuration in register to enable external
control and configure the regulator_config (fill gpio related stuff in 
config)  before registering
the regulator. There is no call of gpio libs from the driver.

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