linux-kernel - Re: [PATCH V2 3/3] regulator: palmas: add support for external control of rails

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Date:	Tue, 13 Aug 2013 13:15:02 -0600
From:	Stephen Warren <swarren@...dotorg.org>
To:	Laxman Dewangan <ldewangan@...dia.com>
CC:	broonie@...nel.org, sameo@...ux.intel.com, rob.herring@...xeda.com,
	pawel.moll@....com, mark.rutland@....com, rob@...dley.net,
	lee.jones@...aro.org, grant.likely@...aro.org,
	devicetree@...r.kernel.org, linux-doc@...r.kernel.org,
	linux-kernel@...r.kernel.org, gg@...mlogic.co.uk, kishon@...com,
	j-keerthy@...com, ian.campbell@...rix.com
Subject: Re: [PATCH V2 3/3] regulator: palmas: add support for external control
 of rails

On 08/13/2013 01:53 AM, Laxman Dewangan wrote:
> Palmas rails like LDOs, SMPSs, REGENs, SYSENs can be enable and disable
> by register programming through I2C communication as well as it can be
> enable/disable with the external control input ENABLE1, ENABLE2 and NSLEEP.
> 
> Add support for configuring these rails to be controlled by external control
> inputs. This is require to configure the rail's control register as well as
> configuration of resource register.
> 
> Provide the external input names through parameter "roof-floor". Updated the
> DT binding document to details different value of the roof-floor.

Please see my comments on V1; I think the binding modification should be
backwards-compatible.
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