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

[contact@paulk.fr (Paul Kocialkowski)]

Hi,

Le mardi 29 d?cembre 2015 ? 15:55 -0600, Rob Herring a ?crit :
> On Tue, Dec 29, 2015 at 3:26 PM, Paul Kocialkowski <contact@paulk.fr> wrote:
> > 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 <contact@paulk.fr>
> >> > ---
> >> >  .../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".

Thanks for the review Rob, I have just submitted v2 with those
suggestions integrated.

> > 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".
> 
> To be consistent. We use "clocks" and "interrupts" always whether one
> or more for example.
> 
> -gpio is documented as deprecated now.
> 
> Rob

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