[PATCH 4/6] regulator: lp872x: Add enable GPIO pin support
Rob Herring
robh at kernel.org
Tue Dec 29 13:55:45 PST 2015
On Tue, Dec 29, 2015 at 3:26 PM, Paul Kocialkowski <contact at paulk.fr> wrote:
> Le mardi 29 décembre 2015 à 14:02 -0600, Rob Herring a écrit :
>> 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 at 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".
>
> 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
More information about the linux-arm-kernel
mailing list