Re: [PATCH v3 2/5] dt-bindings: display: ssd1307fb: Extend schema for SPI controllers
From: Geert Uytterhoeven
Date: Wed Apr 13 2022 - 06:38:44 EST
Hi Javier,
On Wed, Apr 13, 2022 at 11:44 AM Javier Martinez Canillas
<javierm@xxxxxxxxxx> wrote:
> On 4/13/22 10:04, Geert Uytterhoeven wrote:
> > On Tue, Apr 12, 2022 at 6:27 PM Javier Martinez Canillas
> > <javierm@xxxxxxxxxx> wrote:
> >> The Solomon SSD130x OLED displays can either have an I2C or SPI interface,
> >> add to the schema the properties and examples for OLED devices under SPI.
> >>
> >> Signed-off-by: Javier Martinez Canillas <javierm@xxxxxxxxxx>
> >> Acked-by: Mark Brown <broonie@xxxxxxxxxx>
> >> Reviewed-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
> >> ---
> >>
> >> Changes in v3:
> >> - Add a comment to the properties required for SPI (Geert Uytterhoeven)
> >
> > Thanks for the update!
> >
> >> --- a/Documentation/devicetree/bindings/display/solomon,ssd1307fb.yaml
> >> +++ b/Documentation/devicetree/bindings/display/solomon,ssd1307fb.yaml
> >> @@ -38,9 +38,16 @@ properties:
> >> reset-gpios:
> >> maxItems: 1
> >>
> >> + # Only required for SPI
> >> + dc-gpios:
> >> + maxItems: 1
> >
> > Actually I meant to also add a description, like for vbat-supply below,
> > to explain the meaning of "dc".
> >
>
> Ahh, sorry for misunderstanding you! Something like the following looks good ?
>
> # Only required for SPI
> dc-gpios:
> description:
> GPIO connected to the controller's D/C# (Data/Command) pin,
> that is needed for 4-wire SPI to tell the controller if the
> data sent is for a command register or the display data RAM
> maxItems: 1
>
> If you agree with that, then can squash before pushing or add it to a v4
> if another revision is needed.
Thanks, LGTM.
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds