linux-kernel - Re: [PATCH v4 11/24] dt-bindings: display: tegra: document Tegra132 MIPI calibration device

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Message-ID: <CAPVz0n1OEA=WHTzBtVBLQ=6vTAwG_uP1tC3Vbrb67wZDUtyVYA@mail.gmail.com>
Date: Thu, 9 Oct 2025 08:12:11 +0300
From: Svyatoslav Ryhel <clamor95@...il.com>
To: Conor Dooley <conor@...nel.org>
Cc: Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, Maxime Ripard <mripard@...nel.org>, 
	Thomas Zimmermann <tzimmermann@...e.de>, David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>, 
	Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, 
	Thierry Reding <thierry.reding@...il.com>, Jonathan Hunter <jonathanh@...dia.com>, 
	Sowjanya Komatineni <skomatineni@...dia.com>, Luca Ceresoli <luca.ceresoli@...tlin.com>, 
	Prashant Gaikwad <pgaikwad@...dia.com>, Michael Turquette <mturquette@...libre.com>, 
	Stephen Boyd <sboyd@...nel.org>, Mikko Perttunen <mperttunen@...dia.com>, 
	Linus Walleij <linus.walleij@...aro.org>, Mauro Carvalho Chehab <mchehab@...nel.org>, 
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>, Jonas Schwöbel <jonasschwoebel@...oo.de>, 
	Dmitry Osipenko <digetx@...il.com>, Charan Pedumuru <charan.pedumuru@...il.com>, 
	Diogo Ivo <diogo.ivo@...nico.ulisboa.pt>, Aaron Kling <webgeek1234@...il.com>, 
	Arnd Bergmann <arnd@...db.de>, dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org, 
	linux-tegra@...r.kernel.org, linux-kernel@...r.kernel.org, 
	linux-media@...r.kernel.org, linux-clk@...r.kernel.org, 
	linux-gpio@...r.kernel.org, linux-staging@...ts.linux.dev
Subject: Re: [PATCH v4 11/24] dt-bindings: display: tegra: document Tegra132
 MIPI calibration device

чт, 9 жовт. 2025 р. о 00:14 Conor Dooley <conor@...nel.org> пише:
>
> On Wed, Oct 08, 2025 at 10:30:33AM +0300, Svyatoslav Ryhel wrote:
> > Document MIPI calibration device found in Tegra132.
>
> Could you explain why a fallback is not suitable? The patchset is really
> too big for me to trivially check that the change is correct.

First of all, this compatible already exists in Linux kernel, I have
just documented it to satisfy warnings. Secondly, each Tegra SoC
generation has unique set of registers which should be configured.
They all differ, hence fallback is not suitable here.

> With an explanation,
> Acked-by: Conor Dooley <conor.dooley@...rochip.com>
>
> >
> > Signed-off-by: Svyatoslav Ryhel <clamor95@...il.com>
> > ---
> >  .../devicetree/bindings/display/tegra/nvidia,tegra114-mipi.yaml  | 1 +
> >  1 file changed, 1 insertion(+)
> >
> > diff --git a/Documentation/devicetree/bindings/display/tegra/nvidia,tegra114-mipi.yaml b/Documentation/devicetree/bindings/display/tegra/nvidia,tegra114-mipi.yaml
> > index 193ddb105283..9a500f52f01d 100644
> > --- a/Documentation/devicetree/bindings/display/tegra/nvidia,tegra114-mipi.yaml
> > +++ b/Documentation/devicetree/bindings/display/tegra/nvidia,tegra114-mipi.yaml
> > @@ -18,6 +18,7 @@ properties:
> >      enum:
> >        - nvidia,tegra114-mipi
> >        - nvidia,tegra124-mipi
> > +      - nvidia,tegra132-mipi
> >        - nvidia,tegra210-mipi
> >        - nvidia,tegra186-mipi
> >
> > --
> > 2.48.1
> >