From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 4E03DCD4F25 for ; Thu, 14 May 2026 15:23:35 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id B461A10F275; Thu, 14 May 2026 15:23:34 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.b="EWFiSNnc"; dkim-atps=neutral Received: from tor.source.kernel.org (tor.source.kernel.org [172.105.4.254]) by gabe.freedesktop.org (Postfix) with ESMTPS id 6406410F275 for ; Thu, 14 May 2026 15:23:33 +0000 (UTC) Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id 9E0ED60154; Thu, 14 May 2026 15:23:32 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 06FC2C2BCC7; Thu, 14 May 2026 15:23:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1778772212; bh=JvugWyByTkXEaIiK4vIpB6X4Zi+TSZyKhUr1GwFqia0=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=EWFiSNnc3dSAI7/O8AGV6HRJlPPpdM0omY94DJV0t1xNMNDmXd77WNVptjBI4LqM+ J6eBL3atJACHKI7alCexSwPf8VItP7gqXfKFdio/YEVXB5Y5DMGmt2pbAXD7Zo7aag pBRGqZfGuBq77ctyeUArqY3aWFwgcku/nuHFfWaPiZkaNTT2H5qlfczGMIcZ48hrxH QX/qKDZ6qYc1j5QYnecdWpga9qP/lIzPEnKPiCuxHe0Dp+FLWWiSQQ8pdt7fqtIAeY Z1zbliDw451ngxw4FNmDmvdNzvp2wueQi/MfOKwOupMWNG9+/cK5MUYFFmRuLgSHgX XzSohzDYdTcMQ== Date: Thu, 14 May 2026 10:23:29 -0500 From: "Rob Herring (Arm)" To: Prabhakar Cc: Krzysztof Kozlowski , Maarten Lankhorst , Biju Das , Simona Vetter , linux-renesas-soc@vger.kernel.org, linux-kernel@vger.kernel.org, David Airlie , Thomas Zimmermann , Lad Prabhakar , Geert Uytterhoeven , Magnus Damm , dri-devel@lists.freedesktop.org, Fabrizio Castro , Conor Dooley , devicetree@vger.kernel.org, Maxime Ripard , Laurent Pinchart , Philipp Zabel Subject: Re: [PATCH v3 2/5] dt-bindings: display: renesas,rzg2l-du: Add RZ/T2H and RZ/N2H support Message-ID: <177877220882.612619.10485324075713791036.robh@kernel.org> References: <20260512144104.761531-1-prabhakar.mahadev-lad.rj@bp.renesas.com> <20260512144104.761531-3-prabhakar.mahadev-lad.rj@bp.renesas.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260512144104.761531-3-prabhakar.mahadev-lad.rj@bp.renesas.com> X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" On Tue, 12 May 2026 15:41:01 +0100, Prabhakar wrote: > From: Lad Prabhakar > > Document the Display Unit (DU) support for the RZ/T2H and RZ/N2H SoCs. > > The DU block on RZ/T2H is functionally equivalent to the RZ/G2UL DU and > supports the DPI interface, but includes SoC-specific register differences > and has no reset control. Add a dedicated compatible string to represent > this variant and update the allOf constraints accordingly. > > As the DU implementation on RZ/N2H matches RZ/T2H, describe it using an > RZ/N2H specific compatible string with the RZ/T2H compatible as fallback. > > Signed-off-by: Lad Prabhakar > --- > v2->v3: > - No change > > v1->v2: > - Dropped the "port" property in favor of "ports" with a single port@0 > child, to align with the existing RZ/G2L bindings and simplify the > device tree structure. > - Updated the commit message to reflect the change from "port" to "ports". > - Dropped RB tag from Rob due to above changes. > --- > .../bindings/display/renesas,rzg2l-du.yaml | 20 +++++++++++++++++-- > 1 file changed, 18 insertions(+), 2 deletions(-) > Reviewed-by: Rob Herring (Arm)