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 5C119223DE8; Mon, 18 Aug 2025 06:31:08 +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=1755498668; cv=none; b=pAkBIOYtSz8jcS3VvULy9dJ4Rig0UP2jQFP5ZLxbG6l1/4TlWhna7ijzqVD8hTfJVOab0tCNAJiTQ2jiI75s88D7uauUacZdWdtCow6y3CiH841P4Dpz6D74eoPxa1EbT1MACQTp90zN0A8A2pypO8aV1iCdGZaACZa1yL6w0Cc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755498668; c=relaxed/simple; bh=eAB0iQM8ECb1EUyPVWktZLwwrkSHRpvjpaj/cofnVnw=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=XvCfjgfXSVYvc0b5pnYlieyBRt+Mc/ZUOsqLIM4WsIY2HdzsQ3f6Mi47JVn8GxvwbCIP3lTRYck8kMJbeIsws0tcwLHyMZyZJHxI+H5N0ITjNprj5jKMHtpa65GL9SEKgm7HEwrTiYP+YSWQghwvQY41aSMeVyJk1/LyIZQyTW0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=aDXjJtv8; 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="aDXjJtv8" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 32190C4CEEB; Mon, 18 Aug 2025 06:31:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1755498668; bh=eAB0iQM8ECb1EUyPVWktZLwwrkSHRpvjpaj/cofnVnw=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=aDXjJtv8cLaM97vdKMKLBX5/eDHrjUrHBjFcTeDJ0Vdiwkenbnpl7H/1M4lENygVG Z2oJAz/aD3by4o/qKfUDETPe65UkwQ3KFhNmVttyrcRPVLs9S7bLDWI7SVFlCjutO+ MGuNmhKYa8m/QmgbXFl3M8u0wcHpSyk0VcKgrq6BSjLv50zydqNTQriGvjtFZSZhSz K7J0Y/vm4vkPmycGRqcijygrIcz8kwzWufibtzurNAwTVzur6P2Sq4kdRlAAPQjFKQ eXkIPtbZm6QHZW1CeZuTUo+4+bpKbHt+oLYJLlIJ5e1RFGRgBHmg4BnddxeDHD/Lci U5mUxj/TIgkgQ== Message-ID: Date: Mon, 18 Aug 2025 08:31:02 +0200 Precedence: bulk X-Mailing-List: linux-clk@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 1/5] dt-bindings: clock: tegra124-dfll: Add property to limit frequency To: Aaron Kling Cc: Michael Turquette , Stephen Boyd , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Thierry Reding , Jonathan Hunter , Joseph Lo , Peter De Schrijver , Prashant Gaikwad , linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org, Thierry Reding References: <20250816-tegra210-speedo-v1-0-a981360adc27@gmail.com> <20250816-tegra210-speedo-v1-1-a981360adc27@gmail.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 18/08/2025 05:23, Aaron Kling wrote: >>> >>> +Optional properties for limiting frequency: >>> +- nvidia,dfll-max-freq: Maximum scaling frequency. >> >> >> 1. Frequency is in units. > Ack, will fix in whatever form a new revision takes. > >> 2. OPP defines it already, doesn't it? > The dfll driver generates the cpu opp table based on soc sku's, it > doesn't use dt opp tables. This property is intended to modify the > generation of said table. That said, if there's a generic dt opp > paradigm for this that I missed which works without dt opp tables, I'd > be happy to use that instead. Usually list of frequencies is via OPP, if it is not applicable here, it should be explained briefly. Just like - why same devices have different values should be explained (commit msg is not precise here). Best regards, Krzysztof