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 C481C2D4B77; Wed, 28 Jan 2026 20:34:43 +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=1769632483; cv=none; b=sFYf46VFsn1eYV29Pli+67vxAs3QbNWtFUfeVIyo5n2ndLVQ48O7XUQG61GqvzYw9p6F/ZeorWIxdfX61u6rdumf+sK9U3aHC0Zioq+AJ8p82+FoHrkEHUQopda+P69qjr4auFJrgr4RV/5baFdXWYea5b/+A4P7hP+v3IexFB0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769632483; c=relaxed/simple; bh=cmYuQlBDDUjfKDQHbd81D0K9u1pyvJ63sJDqKouExlY=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=gKJnSuVI4T9FL8AQNf6BFXPM8qKBqlvhknFf9SgO8Y4Sv2eIpVp6shxogCDwNlA8XbQSbkzCbHwJYEPzMK5lhvvuvZtZFrAISp/8o4av+5kyO7XJrc1xyuVgkUu6pLPrtDT1N36bLVIz+W8X3bujizXVXTxs0YjZWEyzylIBzYU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=uP/54hZc; 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="uP/54hZc" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 020BEC4CEF1; Wed, 28 Jan 2026 20:34:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1769632483; bh=cmYuQlBDDUjfKDQHbd81D0K9u1pyvJ63sJDqKouExlY=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=uP/54hZc1216Iwwh9RQoZqekZgMZLdWPW1e0kXKk2wMfgd7UGFS7UTo6gFKTcMMQn hZIByhYDwDTZKiNUkTcaeu3AXmBh7E7DObifFV/GO8vor6Xf42Ib3tvYYZmkMzgh0B 4yuJ3G0qTBbJ7QHytZ0AHY4oPZAZG8q1sf+a7mdP1SuDzarczYkBHhaDNFOKQMpCbB lkSH6g05s2a14Q94vY52y8nTSsW15W9hunxjTihKGo8co3PFO37cYEhsj87LkWNqaK Uhoa/P+4EI6HX4/zA5GM8M3ScKYehbcMuvWJgBsW89f8PmUF4UgEG7CcTPfVbozhfE S4oHDYLC5vCsg== Date: Wed, 28 Jan 2026 12:34:41 -0800 From: Drew Fustini To: Icenowy Zheng Cc: Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Guo Ren , Fu Wei , Philipp Zabel , Dmitry Baryshkov , Michal Wilczynski , Luca Ceresoli , Han Gao , Yao Zi , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-riscv@lists.infradead.org, Icenowy Zheng Subject: Re: [PATCH v6 2/9] dt-bindings: display: add verisilicon,dc Message-ID: References: <20260123092830.4046009-1-zhengxingda@iscas.ac.cn> <20260123092830.4046009-3-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: <20260123092830.4046009-3-zhengxingda@iscas.ac.cn> On Fri, Jan 23, 2026 at 05:28:23PM +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 > Reviewed-by: Rob Herring (Arm) > --- > Changes in v6: > - Added Rob's R-b. > > 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 I've applied the bindings patches (1, 2, 4) to thead-dt-for-next as well so that 'make W=1 dtbs_check' won't break for the next release of linux-next. https://git.kernel.org/pub/scm/linux/kernel/git/fustini/linux.git/log/?h=thead-dt-for-next Please see my reply to patch 1 for the rest of my message. Thanks, Drew