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 DFA34306490; Fri, 24 Oct 2025 08:35:44 +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=1761294945; cv=none; b=NEgWtqlyF28r7vF6t0+TzC5oFRL+GAu4faNpswz02Ga7De0xWlLDa/HlkX2OUM8gX/N49krnz/yOT2bp0pSXcFy7QhTuytipmDolCWZuWgng18RDvWIe6KDNvg1Lav4kRHnIPfnQE6hMEaamSfJyb/JEclexNGXfuCxqlflE7+c= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761294945; c=relaxed/simple; bh=9c2iRB5neiNVOA3946Sm/qhXa8txadLCyBjjks59Ijc=; h=Message-ID:Date:MIME-Version:Subject:From:To:Cc:References: In-Reply-To:Content-Type; b=mkpsoNPdeyJsDRBRDWTLQy1CVsf08gtH0tCYPVkesrbZqPyLJKVezYDa8Z3SKlp39xNiT68Hd2uwfIH+k9BCKW73IYlBUNJieBBsSrs3WVRkEWfh1+8LBhjR/Sf2kfRj44Xr1Dpg4jxuJVhH7iz1Udfuyi8r1VzGFBf6yTBeVMc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=DogRfu03; 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="DogRfu03" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6AA94C4CEF1; Fri, 24 Oct 2025 08:35:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1761294944; bh=9c2iRB5neiNVOA3946Sm/qhXa8txadLCyBjjks59Ijc=; h=Date:Subject:From:To:Cc:References:In-Reply-To:From; b=DogRfu03hCRd5Qkw3C7tdCB0tWuK2TpzQHz2KU1PHJbzPqtjDK3HVNHkhFJMwY5XU WjrRvzslo/IDNPJXfx71ILowf7e5YWczKqA8H9LmfmlWfbP0meUo4CA68z1zEihAwl 22t5Ex86O8NFvLIp2BMz8c12RR0dZpinXKT6aoUrC3GcfI8Xnx3MBBIhbpnjyfgILw Ni8NUl1kxmFqYXrZh8++ZcV/RHV/31P3h16qyorEKQvUepCPu7tDFQXvauuyOcigGk 7O6rBS10D9ZLIChw6hpgaErUKxbbupXQV0JZl82Kqr5PjJj8f4mzBTBMc/hqMkB+Cl tU7bZT8MtT15Q== Message-ID: Date: Fri, 24 Oct 2025 10:35:38 +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 v20 1/4] dt-bindings: i2c: Split AST2600 binding into a new YAML From: Krzysztof Kozlowski To: Jeremy Kerr , Ryan Chen Cc: benh@kernel.crashing.org, joel@jms.id.au, andi.shyti@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, andrew@codeconstruct.com.au, p.zabel@pengutronix.de, andriy.shevchenko@linux.intel.com, naresh.solanki@9elements.com, linux-i2c@vger.kernel.org, openbmc@lists.ozlabs.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-aspeed@lists.ozlabs.org, linux-kernel@vger.kernel.org References: <20251021013548.2375190-1-ryan_chen@aspeedtech.com> <20251021013548.2375190-2-ryan_chen@aspeedtech.com> <20251024-dark-ringtail-of-defiance-1daabd@kuoka> <2939cae6-2e8a-4528-8e27-8c932e2f82de@kernel.org> <8341a903-639b-471a-8425-a98c473f5ab0@kernel.org> Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 24/10/2025 10:06, Krzysztof Kozlowski wrote: > On 24/10/2025 09:56, Jeremy Kerr wrote: >> Hi Krzysztof, >> >>> Although now I saw next patch, so clearly this commit is incomplete. >> >> The split that Ryan has done here - by shifting to an identical separate >> binding, then making the changes explicit - allows us to review the >> actual changes without losing them in the move. Sounds like a benefit to >> me? > > Not related. I commented that rationale is incomplete. We do not move > parts of bindings because new device is someway different. There are > hundreds of bindings which cover different devices. We move them because > the binding is different. > >> >>> You just need allOf:if:then: section to narrow the >>> constraints/presence of properties. >> >> That seems like a more complex approach. This is separate IP from the >> 2500 controllers, wouldn't that warrant a new binding spec? >> > > Not much different than every other soc. All of them are separate IPs. > Look at any Samsung, NXP or Qualcomm binding. Separate IPs. So let the move happen, but please explain in the commit msg that devices are completely different - nothing in common - and thus the binding will be different. We indeed do not keep completely different devices in one binding, but based on commit msg I had impression this was just major block upgrade. Best regards, Krzysztof