From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 DCE3338944D; Mon, 6 Jul 2026 16:05:37 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783353939; cv=none; b=rG12mWQvf9yi+fh8wY3Af9f1kBpexX0hPkcgT+FdzqP9kC6cVr7SRRCuYWCa0Mhjxr1bsAaOppUfuE4gXnwnV0MEQV2OjxgAc3S2vZOzsvRuuNb7rYxNqtJ5vFZvzOhJML6aDtqK6/lLPJsGhrkfsKcCV/lnUP5rpR94/ZMQxfY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783353939; c=relaxed/simple; bh=dIml/A0VfO+9OIzbeO2WrUGUbJn9cOOad2jYzsULj7A=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=TiQv9wYuY/0a3f0+nOytJ1e/ly70wTAdUzj1s1hddaaHQrEGvNI1ASnpnQIyjxRz7H1DWRbUByVQVA3bBIzZwfA0EdJyLc3z9zbQ+0lbra8esP3w8/8eqLMN/yz+Ro49LDDg46l55eNB1UOv8fNAJDMgfVhwsVBy5zu0Ko03KJo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=KxMbrcay; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="KxMbrcay" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3397A1F00A3A; Mon, 6 Jul 2026 16:05:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1783353937; bh=j5n8ja+KSkOU2fLkjSwPTg2xbFjC5d2yzlMgQe8icO4=; h=Date:Subject:To:Cc:References:From:In-Reply-To; b=KxMbrcaylBUgT9EdsD5fjCITWko5iY74ZC3bsAcqo1IiBV+EqQ28bEbxCGm5/gYjF sEzhl0eBnFteAYTt2blXvqraE9I5wvmktayLfFdOYeeuWns0DtdkTgLcZc5zCrWG3D wb1tw7VSu58afWS/Rtss2bd7RS/A5rnSOIYzvbQA4fTCrjm/kXPKm0tNejlIqn9a3D guDB2bdkKre4MeFWVj3AzO6AO5NutpNrJg7j57motaKKwm7bccR8w4qPyuKSPiHhnv J8H0DCf/Exglv4QjYTZsJ8W95YsJ3exn3/h2QUZf8mEGrltyH1IKKNMobxkDs7kVVM LWoffMVkHUWFQ== Message-ID: <49883bf8-1c7d-4708-9d38-07767b6b229e@kernel.org> Date: Mon, 6 Jul 2026 18:05:31 +0200 Precedence: bulk X-Mailing-List: linux-gpio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 1/6] dt-binding: ARM: samsung: Add Samsung Exynos8855 To: Alim Akhtar , 'Ivaylo Ivanov' , peter.griffin@linaro.org, robh@kernel.org, conor+dt@kernel.org, linusw@kernel.org Cc: linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-gpio@vger.kernel.org, hajun.sung@samsung.com References: <20260627171228.2687857-1-alim.akhtar@samsung.com> <20260627171228.2687857-2-alim.akhtar@samsung.com> <4df9f388-2dc7-47b6-afc0-7a0cc6d15ca3@gmail.com> <08ba01dd0cf9$cbe0a4b0$63a1ee10$@samsung.com> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 06/07/2026 05:44, Alim Akhtar wrote: > Hi Ivaylo, > Thanks for your review. > >> -----Original Message----- >> From: Ivaylo Ivanov >> Sent: Monday, July 6, 2026 4:11 AM >> To: Alim Akhtar ; krzk@kernel.org; >> peter.griffin@linaro.org; robh@kernel.org; conor+dt@kernel.org; >> linusw@kernel.org >> Cc: linux-samsung-soc@vger.kernel.org; linux-kernel@vger.kernel.org; >> devicetree@vger.kernel.org; linux-gpio@vger.kernel.org; >> hajun.sung@samsung.com >> Subject: Re: [PATCH v3 1/6] dt-binding: ARM: samsung: Add Samsung >> Exynos8855 >> >> On 6/27/26 20:12, Alim Akhtar wrote: >>> Add Samsung Exynos8855 smdk board to documentation >>> >>> Signed-off-by: Alim Akhtar >>> --- >>> .../devicetree/bindings/arm/samsung/samsung-boards.yaml | 6 ++++++ >>> 1 file changed, 6 insertions(+) >>> >>> diff --git >>> a/Documentation/devicetree/bindings/arm/samsung/samsung-boards.yaml >>> b/Documentation/devicetree/bindings/arm/samsung/samsung-boards.yaml >>> index 753b3ba1b607..273464400477 100644 >>> --- >>> a/Documentation/devicetree/bindings/arm/samsung/samsung-boards.yaml >>> +++ b/Documentation/devicetree/bindings/arm/samsung/samsung- >> boards.yam >>> +++ l >>> @@ -235,6 +235,12 @@ properties: >>> - winlink,e850-96 # WinLink E850-96 >>> - const: samsung,exynos850 >>> >>> + - description: Exynos8855 based boards >>> + items: >>> + - enum: >>> + - samsung,exynos8855-smdk # Samsung SMDK >>> + - const: samsung,exynos8855 >> >> Is there any particular reason for using "exynos8855" rather than the >> commercial name - exynos1580? We've already established using the latter >> naming scheme as a convention (e.g. exynos3830 -> exynos850, exynos9830 -> >> exynos990) rather than the development model numbers, so I don't think >> breaking that will help anyone with the already painful model number confusion. >> > The reason for using Exynos8855 is that it comes from the chip-id register, which is RO register. > And in my opinion it has to be chip-id, maintaining two names is confusing (as you also mentioned). > Yes, there were couple of deviation but let's come back to the "original" convention (which is to use chip-id). > > @ Krzysztof, Peter > Any input on this? Back in Exynos850 upstreaming, my preference was the chipid value, but I agreed for marketing name. Marketing names are tricky, because: 1. They change, 2. They might multiply (two or three marketing names for the same die - common case in Qualcomm), That's why for Samsung SoCs, I rather prefer chipid value. For Google/Axis/Tesla the case is different and we should use their naming - some engineering name for example. Best regards, Krzysztof