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 30BE918EBF; Mon, 8 Jul 2024 07:33:12 +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=1720423993; cv=none; b=FaN6aN726MmwZv06Ho7f2Lfq32Tbgjbopep/Hw3PcsePT6v0gR0iQT6UCboAhUU//2+GUvMGtsVS6/XQVZqLLcZ+Rdxb3pXB8Fmtze7gJlEI5Wi/utshiW69hKfztbDZQtuFpO0jF3ESxASii11i+VrO7F/F8QiTLrlkGqsGW5M= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720423993; c=relaxed/simple; bh=A0VXbThaldSglFo32u5p70kxlO/JzsYI2cfWWiOLsWM=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=eQJiZDy1gzk1OV7I5PiWQRqLNMsi3WdZP9P8cDEu0wLEJ6ee+V8SWxVsCkBiJ/FU/ASNhGTa+ljL8JWK0TpziEDrS2+Dj/jq34jd3a++lPwWOJpv9zOQsd/G2NYrq4wXJh+twXg3Otvsleg6j4JHWLft1d67NzvgD1jpLsIZO/Q= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=GvfvbM22; 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="GvfvbM22" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 23FF3C116B1; Mon, 8 Jul 2024 07:33:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1720423992; bh=A0VXbThaldSglFo32u5p70kxlO/JzsYI2cfWWiOLsWM=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=GvfvbM22UDRINvtifxCox/X+JeZqYyHhVMmTzQbouZWMjnC7X1F9IRdFbOdWWFNQT V8lEfmC23ArMqRJbn8PyWJVwZOhPKQ5KlOZxSG8oroPQgToyMtcfOouRmdzn+kOfyG 6d13msSioRUBSfqhJwzVyg3KhCn6UHoW47s3ZJp3U9oD+/oOD4KP9vnvtUe61q5sn+ Z6nI+16ddLW5tfkrlrELqcOPIJ8MgVgbEqcp28I2/JP3Xmb6f3C3IJopD4OlrzoQ+A TuB9u/AEX8yqW78NWwpne5ECccEAN3s29CIYu3PUqjtXI2hI5jY3PLw+wEVPY9C+Ps SwzvFD1dN/nKg== Message-ID: <304b7bb1-d315-4147-820b-1ec0aa63e759@kernel.org> Date: Mon, 8 Jul 2024 09:33:04 +0200 Precedence: bulk X-Mailing-List: linux-iio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 1/3] dt-bindings: iio: adc: sophgo,cv18xx-saradc.yaml: Add Sophgo SARADC binding documentation To: Miquel Raynal , Conor Dooley Cc: Thomas Bonnefille , Jonathan Cameron , Lars-Peter Clausen , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Chen Wang , Inochi Amaoto , Paul Walmsley , Palmer Dabbelt , Albert Ou , Thomas Petazzoni , linux-iio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org References: <20240705-sg2002-adc-v2-0-83428c20a9b2@bootlin.com> <20240705-sg2002-adc-v2-1-83428c20a9b2@bootlin.com> <20240705-unaired-pesticide-4135eaa04212@spud> <6b5459fd-2873-4c26-b986-882413b8d95b@bootlin.com> <20240706-remote-undergo-3b9dfe44d16f@spud> <20240708083011.058d0c57@xps-13> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 08/07/2024 08:30, Miquel Raynal wrote: > Hi Conor, > >>>>> +properties: >>>>> + compatible: >>>>> + oneOf: >>>>> + - items: >>>>> + - enum: >>>>> + - sophgo,cv1800b-saradc >>>>> + - const: sophgo,cv18xx-saradc >>>> >>>> I don't think the fallback here makes sense. If there's other devices >>>> with a compatible programming model added later, we can fall back to the >>>> cv1800b. > > I'm sorry but isn't this slightly disagreeing with the "writing > bindings" doc pointed in v1? It says, > > * DO use fallback compatibles when devices are the same as or a subset > of prior implementations. > > I believe we fall in the "devices are the same" category, so I would > have myself wrote a similar binding here with a compatible matching > them all, plus a hardware-implementation-specific compatible as well; > just in case. Fallback from one model to another. There is no "another" model here, but wildcard. There is no such device as cv18xx, right? Best regards, Krzysztof