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From: <Pet.Weng@ite.com.tw>
To: <krzk@kernel.org>, <andrzej.hajda@intel.com>,
	<neil.armstrong@linaro.org>, <rfoss@kernel.org>,
	<Laurent.pinchart@ideasonboard.com>, <jonas@kwiboo.se>,
	<jernej.skrabec@gmail.com>, <maarten.lankhorst@linux.intel.com>,
	<mripard@kernel.org>, <tzimmermann@suse.de>, <airlied@gmail.com>,
	<simona@ffwll.ch>, <robh@kernel.org>, <krzk+dt@kernel.org>,
	<conor+dt@kernel.org>
Cc: <dri-devel@lists.freedesktop.org>, <devicetree@vger.kernel.org>,
	<linux-kernel@vger.kernel.org>, <Hermes.Wu@ite.com.tw>,
	<Kenneth.Hung@ite.com.tw>, <Jau-Chih.Tseng@ite.com.tw>,
	<treapking@google.com>, <krzysztof.kozlowski@oss.qualcomm.com>
Subject: RE: [PATCH v7 1/2] dt-binding: display: Add ITE IT61620 MIPI DSI to HDMI bridge
Date: Mon, 16 Mar 2026 03:55:41 +0000	[thread overview]
Message-ID: <15aa9069d5f341eb82815f4b9da54fa0@ite.com.tw> (raw)
In-Reply-To: <21cc3b90-0cd7-421c-914d-30e718558224@kernel.org>

Hi Krzysztof,
> 
> On 13/03/2026 07:48, Pet Weng wrote:
> > This chip receives MIPI DSI input and outputs HDMI, and is commonly
> > connected to SoCs via I2C and DSI.
> >
> > Signed-off-by: Pet Weng <pet.weng@ite.com.tw>
> > Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
> > ---
> >  .../bindings/display/bridge/ite,it61620.yaml       | 142 +++++++++++++++++++++
> >  1 file changed, 142 insertions(+)
> 
> 
> This is almost the same as ite,it6162. Almost the same binding, same
> description. Also google finds nothing for ite,it61620.
> 
> Looks like some duplicate and your cover letter does not explain here
> anything.
> 

IT61620 is a variant of IT6162.
The main differences are:
- IT61620 supports only a single MIPI DSI input port, while IT6162
  supports dual MIPI DSI ports.
- IT61620 does not include the internal MCU present in IT6162.

Because of these architectural differences, IT61620 uses a separate
compatible string even though the external interfaces and bindings
are largely similar.

I will update the binding description and cover letter to clarify
these differences

> Best regards,
> Krzysztof

Best regards,
Pet Weng

  reply	other threads:[~2026-03-16  3:55 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-03-13  6:48 [PATCH v7 0/2] Add ITE IT61620 MIPI DSI to HDMI bridge driver Pet Weng
2026-03-13  6:48 ` [PATCH v7 1/2] dt-binding: display: Add ITE IT61620 MIPI DSI to HDMI bridge Pet Weng
2026-03-14  9:31   ` Krzysztof Kozlowski
2026-03-16  3:55     ` Pet.Weng [this message]
2026-03-13  6:48 ` [PATCH v7 2/2] drm/bridge: Add ITE IT61620 MIPI DSI to HDMI bridge driver Pet Weng
2026-03-14  1:56   ` Dmitry Baryshkov

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