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 ADA43224249; Wed, 26 Feb 2025 21:22:10 +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=1740604930; cv=none; b=Ea4Nm/DkHfZ4uNgGzizHm+aOZMw2de3DeY3hbhQJF2s14LBHuc1ajxheyiGU1FetJ8MTiETnUWtumM6b3DK0qh/mrV/OUxZE549EKF320cPI4KNHdwtyF2JnZ2Bwsg/k0Rcsthpq5AqxOTf6jLy5KuD8h3WPPB6Pp/YDtR2Vdnc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740604930; c=relaxed/simple; bh=Vu09UrU0Muu5/ttkFdeLyuALho7P3OYY3oKYTW24fKk=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=PXQG/c8b9nl1SzaTvZEyMjaBTAT07FsoTVbzUVep3Vh8e9vLV0XNGmwgduiBWGhuoURFZVrGF2TpdO9Y0+GQ1WE50yMM5/45a5NUfLjKsaMxRLPf1dzwVSGXqTY4cb6Wo94Zp18supb1kapVOcMOtzo8stqBgL0cFirmyBDGRIs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Kov41Vzs; 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="Kov41Vzs" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2F834C4CEEA; Wed, 26 Feb 2025 21:22:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1740604930; bh=Vu09UrU0Muu5/ttkFdeLyuALho7P3OYY3oKYTW24fKk=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=Kov41VzsIr7/iMwrlnwsiyCjHSHHLexu05kPcJvU5BZKb0Fm9z6FVjfuclGljXLL3 4ZLLUSh7kAJCv0UvvAzHhGfNd7eJnh+teT3tR8bCrQiWv5+TaRmG7zBdmYYlQKXpj6 BoHbC2g6TyRoob4u8jPg/QrdGd+SbS0mgJl0w4mD919lHcTqWVewy9mx6Z364MWWdk pAK1WkSbew5bsedMwg1ZTJdXE5aLdffrsJ1LexQgezrpI3Az9tvgj8SoUlCbRTgEEX 7AXgaZf2ThS/G6Iz54s8ziwSeB9nK93OpltH9xtfo6l+hi0FcD9BgdFuBva2WOTA7S C70cjOev7bbGA== Message-ID: <05e56d15-059b-425b-9e55-66993d988f8d@kernel.org> Date: Wed, 26 Feb 2025 22:22:03 +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 v4 2/2] dt-bindings: iio: filter: Add lpf/hpf freq margins To: Sam Winchenbach Cc: linux-kernel@vger.kernel.org, lars@metafoo.de, Michael.Hennerich@analog.com, antoniu.miclaus@analog.com, jic23@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, linux-iio@vger.kernel.org, devicetree@vger.kernel.org References: <20250225134612.577022-1-sam.winchenbach@framepointer.org> <20250225134612.577022-2-sam.winchenbach@framepointer.org> <20250226-sparkling-caped-saluki-b1cbad@krzk-bin> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 26/02/2025 18:10, Sam Winchenbach wrote: > On Wed, Feb 26, 2025 at 09:03:13AM +0100, Krzysztof Kozlowski wrote: >> On Tue, Feb 25, 2025 at 08:46:12AM -0500, Sam Winchenbach wrote: >>> Adds two properties to add a margin when automatically finding the >>> corner frequencies. >>> >>> Signed-off-by: Sam Winchenbach >>> --- >>> .../bindings/iio/filter/adi,admv8818.yaml | 14 ++++++++++++++ >>> 1 file changed, 14 insertions(+) >> >> Bindings are before users (see DT submitting patches), so this should be >> re-ordered. >> >>> >>> diff --git a/Documentation/devicetree/bindings/iio/filter/adi,admv8818.yaml b/Documentation/devicetree/bindings/iio/filter/adi,admv8818.yaml >>> index b77e855bd594..2acdbd8d84cb 100644 >>> --- a/Documentation/devicetree/bindings/iio/filter/adi,admv8818.yaml >>> +++ b/Documentation/devicetree/bindings/iio/filter/adi,admv8818.yaml >>> @@ -44,6 +44,18 @@ properties: >>> '#clock-cells': >>> const: 0 >>> >>> + adi,lpf-margin-hz: >>> + description: >>> + Sets minimum low-pass corner frequency to the frequency of rf_in plus >>> + this value when in auto mode. >>> + default: 0 >>> + >>> + adi,hpf-margin-hz: >>> + description: >>> + Sets maximum high-pass corner frequency to the frequency of rf_in minus >>> + this value when in auto mode. >> >> IIUC, these are two bounds - lower and upper - in relation to something >> else (like rf_in frequency)? If so, make it an array (naming to be >> discuss, I assume you know better what's that): > > It is true that these are both related to rf_in but both the low and high pass > filters can operate independently. Logically, IMO, it makes more sense to have You mean you can set only low or high pass and keep other as default? But what is the default then - something from reset value or "0" means disabled? > them as separate controls but I am happy to put them into an array if that is > the idiomatic approach to situations like this. That said, I am having a > difficult time getting dt_binding_check to pass when I have an array of uint64. > > When listing two items, as in your example below, I get the following: > adi,admv8818.example.dtb: admv8818@0: adi,filter-margins-hz: [[0, 30000000], [0, 30000000]] is too long Tricky to say without seeing your code. Magic crystal ball had malfunction today. Best regards, Krzysztof