linux-kernel - Re: [PATCH v5 01/13] dt-bindings: display: st: add two new compatibles to LTDC device

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Message-ID: <20250824-stimulating-herring-of-romance-df21ea@kuoka>
Date: Sun, 24 Aug 2025 11:21:10 +0200
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Raphael Gallais-Pou <raphael.gallais-pou@...s.st.com>
Cc: Yannick Fertre <yannick.fertre@...s.st.com>, 
	Philippe Cornu <philippe.cornu@...s.st.com>, 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>, 
	Maxime Coquelin <mcoquelin.stm32@...il.com>, Alexandre Torgue <alexandre.torgue@...s.st.com>, 
	Catalin Marinas <catalin.marinas@....com>, Will Deacon <will@...nel.org>, 
	Christophe Roullier <christophe.roullier@...s.st.com>, dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org, 
	linux-stm32@...md-mailman.stormreply.com, linux-arm-kernel@...ts.infradead.org, 
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v5 01/13] dt-bindings: display: st: add two new
 compatibles to LTDC device

On Fri, Aug 22, 2025 at 04:34:10PM +0200, Raphael Gallais-Pou wrote:
> The new STMicroelectronics SoC features a display controller similar to
> the one used in previous SoCs.  Because there is additional registers,
> and different mandatory clocks it is incompatible with existing IPs.  On
> STM32MP251, the device only needs two clocks while on STM32MP255 it
> needs four.
> 
> Add the new names to the list of compatible string and handle each
> quirks accordingly.
> 
> Signed-off-by: Raphael Gallais-Pou <raphael.gallais-pou@...s.st.com>
> ---
>  .../devicetree/bindings/display/st,stm32-ltdc.yaml | 52 +++++++++++++++++++++-
>  1 file changed, 50 insertions(+), 2 deletions(-)

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>

Best regards,
Krzysztof