From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 179E02F60A3; Wed, 21 Jan 2026 02:21:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768962079; cv=none; b=dXMl8Y7bEoHtBeK/gYa/oCwsSkxAxisxF3j5J58jVBIWEsDbOm6zVa2M82mTrO3Z8fl6BjqUS6n+PThcCD2JGCgUopefxAoMyzPV+VnS2YO9HAQnX5NHX9PbkPCgRFVzNTulZkgqBkN/hCDFw9dcWqP1tefdRfA750VYNVwREyE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768962079; c=relaxed/simple; bh=j7waV8NWZBtuhNIY6TrRP+nVW1vx7BHTzf5Bh5U439w=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=M7NmTmGMhgmV+qboSqq4o4zXbF/aK5G+Ps0SuwhG/azkBfffM4ZrSFJczXNillgITLBGaGlKZFmiPLLrwtLCLSuReyxOWsTQY9TP2oXRcfp/IN4WZuJhi24J8WD9Qzwy+qVH2rPU6RDIDqbF8nyZxEhFXVDTJYMjQhnUeYkZZgw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Y0dT+Dvd; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="Y0dT+Dvd" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 820ACC16AAE; Wed, 21 Jan 2026 02:21:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1768962078; bh=j7waV8NWZBtuhNIY6TrRP+nVW1vx7BHTzf5Bh5U439w=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=Y0dT+DvdxyNk7sHMlklvwtNBRATnVqp+LcOt79ZRKCFlY2stWywHTziP8aWB9Tp2P QddRl1zKRfah8ixukRdy60c3nLahYvxjnqhDlo1fC60rJZNlPLFCIF+/205iDc6B1V S7i9gSptjqviHQX9WTB23Pt4BsRCtkZxi9In8Rvn6QkawwrAT8u+I5IwDdfG0GQs8B PWB1bOJpBT75zVhW/G0uzPnSAH4+j3PBkHY+dTqmvMQOhNzhHh27Iyinnxt4Msn/FI Q4FihIF6uKe0BoeFWcCGn1ZYKtDX0ichSb/SZTVuBQuJP12mM8OPzaqgwF/FP2lZ20 BW8/IlX9ddLFQ== Date: Tue, 20 Jan 2026 20:21:17 -0600 From: "Rob Herring (Arm)" To: Icenowy Zheng Cc: Neil Armstrong , Luca Ceresoli , Simona Vetter , Philipp Zabel , Maarten Lankhorst , devicetree@vger.kernel.org, David Airlie , Michal Wilczynski , Guo Ren , Drew Fustini , Maxime Ripard , Andrzej Hajda , Icenowy Zheng , Robert Foss , dri-devel@lists.freedesktop.org, Fu Wei , Jonas Karlman , Laurent Pinchart , Han Gao , linux-riscv@lists.infradead.org, Dmitry Baryshkov , Conor Dooley , Krzysztof Kozlowski , linux-kernel@vger.kernel.org, Thomas Zimmermann , Yao Zi , Jernej Skrabec Subject: Re: [PATCH v5 2/9] dt-bindings: display: add verisilicon,dc Message-ID: <176896207692.1787158.10124540284354506229.robh@kernel.org> References: <20260116043746.336328-1-zhengxingda@iscas.ac.cn> <20260116043746.336328-3-zhengxingda@iscas.ac.cn> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260116043746.336328-3-zhengxingda@iscas.ac.cn> On Fri, 16 Jan 2026 12:37:39 +0800, Icenowy Zheng wrote: > From: Icenowy Zheng > > Verisilicon has a series of display controllers prefixed with DC and > with self-identification facility like their GC series GPUs. > > Add a device tree binding for it. > > Depends on the specific DC model, it can have either one or two display > outputs, and each display output could be set to DPI signal or "DP" > signal (which seems to be some plain parallel bus to HDMI controllers). > > Signed-off-by: Icenowy Zheng > Signed-off-by: Icenowy Zheng > --- > Changes in v5: > - Dropped the requirement of port@0. > - Dropped the if clause for TH1520, which seems to be not needed because > of implicit DT binding rules. > > Changes in v4: > - Added a comment for "verisilicon,dc" that says the ID/revision is > discoverable via registers. > - Removed clock minItems constraint w/o specific compatible strings. > > Changes in v3: > - Added SoC-specific compatible string, and arm the binding with clock / > port checking for the specific SoC (with a 2-output DC). > > Changes in v2: > - Fixed misspelt "versilicon" in title. > - Moved minItems in clock properties to be earlier than items. > - Re-aligned multi-line clocks and resets in example. > > .../bindings/display/verisilicon,dc.yaml | 122 ++++++++++++++++++ > 1 file changed, 122 insertions(+) > create mode 100644 Documentation/devicetree/bindings/display/verisilicon,dc.yaml > Reviewed-by: Rob Herring (Arm)