Subject: [PATCH 4/6] regulator: lp872x: Add enable GPIO pin support

From: [email-masked] (Paul Kocialkowski)
Date: Tue, 29 Dec 2015 22:26:52 +0100

Le mardi 29 d?cembre 2015 ? 14:02 -0600, Rob Herring a ?crit :
> On Wed, Dec 23, 2015 at 11:58:37AM +0100, Paul Kocialkowski wrote:
> > LP872x regulators are made active via the EN pin, which might be hooked to a
> > GPIO. This adds support for driving the GPIO high when the driver is in use.
> > 
> > Signed-off-by: Paul Kocialkowski <[email-masked]>
> > ---
> >  .../devicetree/bindings/regulator/lp872x.txt       |  1 +
> >  drivers/regulator/lp872x.c                         | 33 ++++++++++++++++++++--
> >  include/linux/regulator/lp872x.h                   |  2 ++
> >  3 files changed, 33 insertions(+), 3 deletions(-)
> > 
> > diff --git a/Documentation/devicetree/bindings/regulator/lp872x.txt b/Documentation/devicetree/bindings/regulator/lp872x.txt
> > index 7818318..0559c25 100644
> > --- a/Documentation/devicetree/bindings/regulator/lp872x.txt
> > +++ b/Documentation/devicetree/bindings/regulator/lp872x.txt
> > @@ -28,6 +28,7 @@ Optional properties:
> >    - ti,dvs-gpio: GPIO specifier for external DVS pin control of LP872x devices.
> >    - ti,dvs-vsel: DVS selector. 0 = SEL_V1, 1 = SEL_V2.
> >    - ti,dvs-state: initial DVS pin state. 0 = DVS_LOW, 1 = DVS_HIGH.
> > +  - ti,enable-gpio: GPIO specifier for EN pin control of LP872x devices.
> 
> Should be "-gpios" instead of "-gpio".

Care to comment why? There is only one GPIO that can be used here, since
there is only one single EN pin. I thought this matched what is done
already with "ti,dvs-gpio".

Thanks!
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