linux-kernel - Re: [PATCH 04/14] dt-bindings: pinctrl: stm32: add RSVD mux function

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Message-ID: <swbppwzpavktjpyb6piayzzht6ta75w3g36oyndmim54oztar5@svb4452yob7g>
Date: Wed, 23 Oct 2024 10:47:07 +0200
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Antonio Borneo <antonio.borneo@...s.st.com>
Cc: Linus Walleij <linus.walleij@...aro.org>, 
	Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
	Conor Dooley <conor+dt@...nel.org>, Maxime Coquelin <mcoquelin.stm32@...il.com>, 
	Alexandre Torgue <alexandre.torgue@...s.st.com>, Catalin Marinas <catalin.marinas@....com>, 
	Will Deacon <will@...nel.org>, linux-gpio@...r.kernel.org, devicetree@...r.kernel.org, 
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, 
	Clément Le Goffic <clement.legoffic@...s.st.com>, Stephane Danieau <stephane.danieau@...s.st.com>, 
	Amelie Delaunay <amelie.delaunay@...s.st.com>, Fabien Dessenne <fabien.dessenne@...s.st.com>, 
	Valentin Caron <valentin.caron@...s.st.com>, Gatien Chevallier <gatien.chevallier@...s.st.com>, 
	Cheick Traore <cheick.traore@...s.st.com>, linux-stm32@...md-mailman.stormreply.com
Subject: Re: [PATCH 04/14] dt-bindings: pinctrl: stm32: add RSVD mux function

On Tue, Oct 22, 2024 at 05:56:48PM +0200, Antonio Borneo wrote:
> From: Fabien Dessenne <fabien.dessenne@...s.st.com>
> 
> Document the RSVD (Reserved) mux function, used to reserve pins
> for a coprocessor not running Linux.
> 
> Signed-off-by: Fabien Dessenne <fabien.dessenne@...s.st.com>
> Signed-off-by: Antonio Borneo <antonio.borneo@...s.st.com>
> ---
>  .../devicetree/bindings/pinctrl/st,stm32-pinctrl.yaml     | 8 ++++++++
>  include/dt-bindings/pinctrl/stm32-pinfunc.h               | 1 +
>  2 files changed, 9 insertions(+)
> 

BTW, which *existing* SoCs use it? Aren't you adding it for the new
platform?

Best regards,
Krzysztof