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Subject: Re: [PATCH 03/39] dt-bindings: display: imx: Document i.MX95 Display
 Controller processing units
To: Frank Li <Frank.li@nxp.com>
Cc: dri-devel@lists.freedesktop.org, Abel Vesa <abelvesa@kernel.org>,
 Conor Dooley <conor+dt@kernel.org>, Fabio Estevam <festevam@gmail.com>,
 Krzysztof Kozlowski <krzk+dt@kernel.org>,
 Laurent Pinchart <Laurent.pinchart@ideasonboard.com>,
 Liu Ying <victor.liu@nxp.com>, Lucas Stach <l.stach@pengutronix.de>,
 Peng Fan <peng.fan@nxp.com>, Pengutronix Kernel Team
 <kernel@pengutronix.de>, Rob Herring <robh@kernel.org>,
 Shawn Guo <shawnguo@kernel.org>, Thomas Zimmermann <tzimmermann@suse.de>,
 devicetree@vger.kernel.org, imx@lists.linux.dev,
 linux-arm-kernel@lists.infradead.org, linux-clk@vger.kernel.org
References: <20251011170213.128907-1-marek.vasut@mailbox.org>
 <20251011170213.128907-4-marek.vasut@mailbox.org>
 <aO0tmUWA5H0J80Ov@lizhi-Precision-Tower-5810>
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From: Marek Vasut <marek.vasut@mailbox.org>
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On 10/13/25 6:49 PM, Frank Li wrote:

Hello Frank,

>> @@ -90,13 +102,15 @@ patternProperties:
>>         compatible:
>>           const: fsl,imx8qxp-dc-signature
>>
>> -  "^tcon@[0-9a-f]+$":
>> +  "^tcon(@[0-9a-f]+)?$":
> 
> why here allow no address unit tcon?
This might be something Liu can clarify too.

TCON on iMX95 DPU does not seem to exist at all, or at least has no 
control registers. Hence no address.