linux-kernel - Re: [PATCH v2 2/5] dt-bindings: display: ssd1307fb: Extend schema for SPI controllers

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Date:   Tue, 12 Apr 2022 09:16:42 +0200
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Javier Martinez Canillas <javierm@...hat.com>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Rob Herring <robh@...nel.org>,
        DRI Development <dri-devel@...ts.freedesktop.org>,
        Neil Armstrong <narmstrong@...libre.com>,
        Mark Brown <broonie@...nel.org>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Chen-Yu Tsai <wens@...nel.org>,
        Daniel Vetter <daniel@...ll.ch>,
        David Airlie <airlied@...ux.ie>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Maxime Ripard <mripard@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>
Subject: Re: [PATCH v2 2/5] dt-bindings: display: ssd1307fb: Extend schema for
 SPI controllers

Hi Javier,

On Mon, Apr 11, 2022 at 11:12 PM Javier Martinez Canillas
<javierm@...hat.com> 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@...hat.com>
> Acked-by: Mark Brown <broonie@...nel.org>
> ---
>
> Changes in v2:
> - Don't add compatible strings with an "-spi" suffix (Geert Uytterhoeven).

Thanks for the update!

> --- a/Documentation/devicetree/bindings/display/solomon,ssd1307fb.yaml
> +++ b/Documentation/devicetree/bindings/display/solomon,ssd1307fb.yaml
> @@ -39,9 +39,14 @@ properties:
>    reset-gpios:
>      maxItems: 1
>
> +  dc-gpios:
> +    maxItems: 1
> +

Perhaps add a description, and clarify this is for SPI only?

Reviewed-by: Geert Uytterhoeven <geert+renesas@...der.be>

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

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