Re: [PATCH v1 04/11] dt-bindings: leds: aw200xx: introduce optional hwen-gpio property

[Dmitry Rokosov]

Hello Rob,

Thank you for the review! Please find my comments below.

On Tue, Oct 10, 2023 at 09:13:32AM -0500, Rob Herring wrote:
> On Fri, Oct 06, 2023 at 07:04:30PM +0300, Dmitry Rokosov wrote:
> > Property 'awinic,hwen-gpio' is optional, it can be used by the board
> > developer to connect AW200XX LED controller with appropriate poweron
> > GPIO pad.
> > 
> > Signed-off-by: Dmitry Rokosov <ddrokosov@xxxxxxxxxxxxxxxxx>
> > ---
> >  Documentation/devicetree/bindings/leds/awinic,aw200xx.yaml | 6 ++++++
> >  1 file changed, 6 insertions(+)
> > 
> > diff --git a/Documentation/devicetree/bindings/leds/awinic,aw200xx.yaml b/Documentation/devicetree/bindings/leds/awinic,aw200xx.yaml
> > index 73b81f7a7258..e3ad11fc7a84 100644
> > --- a/Documentation/devicetree/bindings/leds/awinic,aw200xx.yaml
> > +++ b/Documentation/devicetree/bindings/leds/awinic,aw200xx.yaml
> > @@ -41,6 +41,9 @@ properties:
> >      description:
> >        Leds matrix size
> >  
> > +  awinic,hwen-gpio:
> > +    maxItems: 1
> 
> We have standard 'enable-gpios' or 'powerdown-gpios'. Those don't work 
> here?
> 
> Note that *-gpio is deprecated in favor of *-gpios.

Yes, you are absolutely correct. Andy has already addressed this issue
in the driver patchset. I will revise the driver to utilize the current
GPIO API.

> > +
> >  patternProperties:
> >    "^led@[0-9a-f]+$":
> >      type: object
> > @@ -90,12 +93,15 @@ additionalProperties: false
> >  
> >  examples:
> >    - |
> > +    #include <dt-bindings/gpio/gpio.h>
> >      #include <dt-bindings/leds/common.h>
> >  
> >      i2c {
> >          #address-cells = <1>;
> >          #size-cells = <0>;
> >  
> > +        awinic,hwen-gpio = <&gpio 3 GPIO_ACTIVE_HIGH>;
> > +
> >          led-controller@3a {
> >              compatible = "awinic,aw20036";
> >              reg = <0x3a>;
> > -- 
> > 2.36.0
> > 

-- 
Thank you,
Dmitry