linux-kernel - Re: [PATCH v6 4/9] dt-bindings: display/bridge: add binding for TH1520 HDMI controller

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Message-ID: <aXqUjLG9YdKSwh/2@x1>
Date: Wed, 28 Jan 2026 14:58:20 -0800
From: Drew Fustini <fustini@...nel.org>
To: Icenowy Zheng <zhengxingda@...as.ac.cn>
Cc: Andrzej Hajda <andrzej.hajda@...el.com>,
	Neil Armstrong <neil.armstrong@...aro.org>,
	Robert Foss <rfoss@...nel.org>,
	Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
	Jonas Karlman <jonas@...boo.se>,
	Jernej Skrabec <jernej.skrabec@...il.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>, Guo Ren <guoren@...nel.org>,
	Fu Wei <wefu@...hat.com>, Philipp Zabel <p.zabel@...gutronix.de>,
	Dmitry Baryshkov <lumag@...nel.org>,
	Michal Wilczynski <m.wilczynski@...sung.com>,
	Luca Ceresoli <luca.ceresoli@...tlin.com>,
	Han Gao <rabenda.cn@...il.com>, Yao Zi <ziyao@...root.org>,
	linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org,
	devicetree@...r.kernel.org, linux-riscv@...ts.infradead.org,
	Icenowy Zheng <uwu@...nowy.me>,
	Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: Re: [PATCH v6 4/9] dt-bindings: display/bridge: add binding for
 TH1520 HDMI controller

On Wed, Jan 28, 2026 at 12:35:23PM -0800, Drew Fustini wrote:
> On Fri, Jan 23, 2026 at 05:28:25PM +0800, Icenowy Zheng wrote:
> > From: Icenowy Zheng <uwu@...nowy.me>
> > 
> > T-Head TH1520 SoC contains a Synopsys DesignWare HDMI controller paired
> > with DesignWare HDMI PHY, with an extra clock gate for HDMI pixel clock
> > and two reset controls.
> > 
> > Add a device tree binding to it.
> > 
> > Signed-off-by: Icenowy Zheng <uwu@...nowy.me>
> > Signed-off-by: Icenowy Zheng <zhengxingda@...as.ac.cn>
> > Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> > ---
> > No changes since v3.
> > 
> > Changes in v2:
> > - Re-aligned multi-line clocks/resets in example.
> > - Added Krzysztof's R-b.
> > 
> >  .../display/bridge/thead,th1520-dw-hdmi.yaml  | 120 ++++++++++++++++++
> >  1 file changed, 120 insertions(+)
> >  create mode 100644 Documentation/devicetree/bindings/display/bridge/thead,th1520-dw-hdmi.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.

I've dropped the yaml patches from thead-dt-for-next based on Conor's
advice. Patches 1, 2 and 4 can go through drm.

Drew