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Date: Wed, 8 Apr 2026 15:21:59 +0300
From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
To: Tommaso Merciai <tommaso.merciai.xr@bp.renesas.com>
Cc: tomm.merciai@gmail.com, geert@linux-m68k.org,
	linux-renesas-soc@vger.kernel.org, biju.das.jz@bp.renesas.com,
	Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
	Maxime Ripard <mripard@kernel.org>,
	Thomas Zimmermann <tzimmermann@suse.de>,
	David Airlie <airlied@gmail.com>, Simona Vetter <simona@ffwll.ch>,
	Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Geert Uytterhoeven <geert+renesas@glider.be>,
	Michael Turquette <mturquette@baylibre.com>,
	Stephen Boyd <sboyd@kernel.org>,
	Magnus Damm <magnus.damm@gmail.com>,
	Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>,
	dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org,
	stable@vger.kernel.org
Subject: Re: [PATCH v6 09/21] dt-bindings: display: renesas,rzg2l-du: Refuse
 port@1 for RZ/G2UL
Message-ID: <20260408122159.GG1928916@killaraus.ideasonboard.com>
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 <8a3dd4df30a6d950e5f38d46f4d9f396da67aa71.1775636898.git.tommaso.merciai.xr@bp.renesas.com>
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In-Reply-To: <8a3dd4df30a6d950e5f38d46f4d9f396da67aa71.1775636898.git.tommaso.merciai.xr@bp.renesas.com>

On Wed, Apr 08, 2026 at 12:36:54PM +0200, Tommaso Merciai wrote:
> The RZ/G2UL DU supports only a single port@0 DPI. Explicitly refuse
> port@1 in the ports node.
> 
> Fixes: 2ef7cb1cea7d ("dt-bindings: display: renesas,rzg2l-du: Document RZ/G2UL DU bindings")
> Cc: stable@vger.kernel.org
> Signed-off-by: Tommaso Merciai <tommaso.merciai.xr@bp.renesas.com>

Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>

> ---
> v5->v6:
>  - New patch.
> 
>  Documentation/devicetree/bindings/display/renesas,rzg2l-du.yaml | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/Documentation/devicetree/bindings/display/renesas,rzg2l-du.yaml b/Documentation/devicetree/bindings/display/renesas,rzg2l-du.yaml
> index 2cc66dcef870..5add3b832eab 100644
> --- a/Documentation/devicetree/bindings/display/renesas,rzg2l-du.yaml
> +++ b/Documentation/devicetree/bindings/display/renesas,rzg2l-du.yaml
> @@ -102,6 +102,7 @@ allOf:
>            properties:
>              port@0:
>                description: DPI
> +            port@1: false
>  
>            required:
>              - port@0

-- 
Regards,

Laurent Pinchart