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 9B9DE3BED38; Fri, 27 Mar 2026 06:39:47 +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=1774593587; cv=none; b=t5SvWW2p1zfrKkUrsZ4TwjE0yH5aEymfgGUJB4wcErkknV7GhdsEPTnCDGOMrcS5asEOOLO+RtnyrE9iCoSwkDCUpJ1pNhJZxIByclJNjcBPDxo1QDWtRP3QN0XPZ5DsftvFHHaKfu1yeLuUVSanqFDTlUjG2B7rnw2jXtqXYZU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774593587; c=relaxed/simple; bh=ZOqSVTIQjJtcfajjYbmrJZ49mYdmqgT8uiFEYSRzAvY=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=jX3f1jSCSB7FFx+Qr9g921il3KYxQuAnhFVYp9h4/zbSuYIHVc6vmC7glW9y4h0sPZnvGdR5BRVswhQhA8WuEp3noRuhfpHRfWf+6vP+bTnkwLHDf6L9LcuSAOqubRL/rM+j2+A+gvgLENf5n/VgpqmV9UPiiiSDOhFFwByDH7g= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=qenuIHWa; 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="qenuIHWa" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A64BEC19423; Fri, 27 Mar 2026 06:39:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1774593586; bh=ZOqSVTIQjJtcfajjYbmrJZ49mYdmqgT8uiFEYSRzAvY=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=qenuIHWa2Xtas8EdHXG1hsfsR4AO7mqo9l/iwVLogRjrqGYe7DWrsz4dcoFUBNK99 GIZIs9KvvA4bJVWxigxxbZsSPxOXVsKBiE1MzfK96ypxeVLAgDHHk8AHneXyDqy4vO EQv3gTiTAWHfJMJg7HQlwo7U/OhHYfcBPYObPfD5/yCGegQ+AlqCgUtHXeVdPpDml2 4eNB3QV5U1sQ5WYeDyBi4Dcf2qzvkJXdokmv55SvUJTwYF5GjV1JlPT6tq5Mb84ubp FFT71ThNS4NN1qjhc31AGDx+pMaqzjZH37GRr5/5czPp695VyMKrgK4LzL5tFqMYXQ Y1jqNwlKfT2nw== Message-ID: Date: Fri, 27 Mar 2026 07:39:42 +0100 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 v1 1/2] dt-bindings: i2c: ls2x-i2c: Add clock- related properties To: Hongliang Wang Cc: Binbin Zhou , Andi Shyti , Rob Herring , Krzysztof Kozlowski , Conor Dooley , linux-i2c@vger.kernel.org, devicetree@vger.kernel.org, loongarch@lists.linux.dev References: <20260325011852.19079-1-wanghongliang@loongson.cn> <20260325011852.19079-2-wanghongliang@loongson.cn> <20260325-outstanding-weasel-of-fruition-89db37@quoll> <1b5283d8-294c-86de-c3d8-bf205ac24216@loongson.cn> <0d7dfe5b-5e2d-4850-8922-16eb6bd9bcae@kernel.org> <900dc1a4-66ab-411f-8a32-4c6cf339e8ec@kernel.org> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 27/03/2026 04:09, Hongliang Wang wrote: > The initial idea was that this patch could be used for both ACPI and DTS. >>>> The i2c-ls2x driver is compatible with both Loongson 2K and 3A+7A >>>> platform, parse >>>> the same parameters regardless of dts or acpi parameter passing, So >>>> clock-input >>>> and clock-div attributes are defined to describe input clock of i2c >>>> controller and >>>> divisor of input clock. It can be used on both 2K and 3A+7A platform. >>> And you cannot use them in DTS. > OK >> I need to keep guessing what you want to achieve, because neither your >> message nor commit text was explicit > What I want to achieve is to describe the input clock and divisor of I2C > controller Input clocks are defined as clock inputs obviously in DT, not as integers. Bindings need to describe the hardware, so start with that. Best regards, Krzysztof