Re: [PATCH v2 20/21] dt-bindings: gpio: describe Waveshare GPIO controller

Dmitry Baryshkov
2026-04-13T00:56:15Z

On Sun, Apr 12, 2026 at 11:48:46AM +0200, Krzysztof Kozlowski wrote:
> On Sat, Apr 11, 2026 at 03:10:40PM +0300, Dmitry Baryshkov wrote:
> > The Waveshare DSI TOUCH family of panels has separate on-board GPIO
> > controller, which controls power supplies to the panel and the touch
> > screen and provides reset pins for both the panel and the touchscreen.
> > Also it provides a simple PWM controller for panel backlight.
> >
> > Add bindings for these GPIO controllers. As overall integration might be
> > not very obvious (and it differs significantly from the bindings used by
> > the original drivers), provide complete example with the on-board
> > regulators and the DSI panel.
> >
> > Tested-by: Riccardo Mereu <r.mereu@arduino.cc>
>
> You cannot test a binding, it is not possible. Otherwise explain me how
> did you copy it to the device and what sort of device runs YAML.

I'll drop it from the next iteration.

>
> The tag was given here explicitly, so I really do not understand this. I
> could imagine tags coming from a reply to the cover letter, but adding
> tag here? That's just fake test.
>
> Best regards,
> Krzysztof
>

--
With best wishes
Dmitry