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 BD4672D372A; Wed, 20 Aug 2025 11:35:55 +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=1755689756; cv=none; b=CjHYXWb7bQeDtriSg2lrUaQB5L7GRBuWa4B2No6aycYr2gfkdNfZQnKKYinTZy/2+zfB2JAylsbCoPc4UmDq73mVt1wggeryrlKIqQ8Gy+MLcw4Y0Oc8P2sMAEsKkNAdYlGiuFF+JXfUSj5sTumPmx86B0WY1QR8LlvDRwaUXxo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755689756; c=relaxed/simple; bh=aL/Gb7jMTCPt9Wn//aIlu4oVuntmLeGbABS2BL/rpQc=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=qfUHW1SDdP4DsfSFnpigVxxSS4k42rVQZK3SHF21M8PodCi4JnSyT0ndjsLVfPKpVWbuW1SkpsD+StZbZFV+YS1tO7+Fenl8ACWuWa3Wl5xvsQyd0z3ox3PggFwU2BYjRnbRAs+fYy6Rj7kqtMDE1WTLZKqqRvSdH1KgIoF+9+s= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=F6TSXgnj; 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="F6TSXgnj" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D0F99C116B1; Wed, 20 Aug 2025 11:35:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1755689755; bh=aL/Gb7jMTCPt9Wn//aIlu4oVuntmLeGbABS2BL/rpQc=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=F6TSXgnjncEQ8738OOqFwQkHtQ6e5721OuIf0sTlwotYiZolMEJ2dXMtzKo7c9cz6 WmjmJIqil7An17/4kH5dVPanjJxkgrjo2VDfGqANQ5UFSTalxM0XWGz/wb6stQKRyS FUJ6FeMIGHvFUJsB7rMrVbbPy46f+UEIiew47P+rfy/MOb3wmD12N+vNDCJAe9pwP+ yC0c9Ck4rIuyg7w3DwMz3BashFp/bPjM2CBcw5Sda1WINk+PPzH10zWz81KyIisE6V S9JQ8T92Azt3kEj2Hl9NNzLgEKYekL5WA9ep2vnFM62u2Lah5RnUaS0TMwANAlVX42 5kMWW5dC/hIwA== Message-ID: <2e16f923-5dad-4c8d-80d7-667dbece92c9@kernel.org> Date: Wed, 20 Aug 2025 13:35:48 +0200 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 1/2] dt-bindings: drm/bridge: ti-tmds181: Add TI TMDS181 and SN65DP159 bindings To: Mike Looijmans , Conor Dooley Cc: dri-devel@lists.freedesktop.org, Andrzej Hajda , Conor Dooley , David Airlie , Jernej Skrabec , Jonas Karlman , Krzysztof Kozlowski , Laurent Pinchart , Maarten Lankhorst , Maxime Ripard , Neil Armstrong , Rob Herring , Robert Foss , Simona Vetter , Thomas Zimmermann , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20250812145256.135645-1-mike.looijmans@topic.nl> <1b153bce-a66a-45ee-a5c6-963ea6fb1c82.949ef384-8293-46b8-903f-40a477c056ae.3b7d4319-e208-470d-9ada-585343a64822@emailsignatures365.codetwo.com> <20250812145256.135645-2-mike.looijmans@topic.nl> <20250812-designing-tyke-db85527b373d@spud> <9fba4917-a24f-4fee-8f1a-7509a0bc542e@kernel.org> <2d694c9c-704e-4353-8b57-de83eb5a7f96@topic.nl> <1b517073-cadb-41e4-b470-54a6ad93dd59@kernel.org> <3a4448a5-a01f-4d4e-a890-56eb9357abd3@topic.nl> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 20/08/2025 11:37, Mike Looijmans wrote: > > Met vriendelijke groet / kind regards, > > Mike Looijmans > System Expert > > > TOPIC Embedded Products B.V. > Materiaalweg 4, 5681 RJ Best > The Netherlands > > T: +31 (0) 499 33 69 69 > E: mike.looijmans@topic.nl > W: www.topic.nl Please fix your email client not to attach such top signature. ... >> >> Also, e.g. first file in iio/adc: >> adi,ad4000.yaml >> > I think I get it. Instead of having compatibles "a" and "b" the driver only > supports "a" in its match table, and the devicetree entry must be either > compatible="a"; or compatible="b","a". Using compatible="b"; would be disallowed. > > I actually planned (I have implemented it locally already for v3) for the > driver to check the chip type and complain if it doesn't match the devicetree. > If the wrong device is there, the most likely cause is that the input and > output buses got mixed up. That would also justify having separate I don't understand why. I don't get what is input and output bus. Either devices are compatible or not. If you can check which device you have via registers, then usually they are compatible. Best regards, Krzysztof