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 47CC82EAB6F; Mon, 8 Jun 2026 11:11:15 +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=1780917076; cv=none; b=VmDjhp6xzyoCLtA+A7g2Q0sBGkMgbs4ay+k68b4To3UacV80y7GMw1cfp3oygMwYhGu0C77pGTeZ/AEBd8aKL5bEaVcH4TSxMwcYQFkZUYBvBsF3IHUzgZrVkN11jy24npy2ARA7/ASlkgAVkhfMu0qF8q8Ilo6S1tGh2ZYOqN4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780917076; c=relaxed/simple; bh=28DoExHgyvoDLtiSP67w3DikRgYo2tzOfpfdjNL0Nxw=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=vAzfNSwcsPpka3N0Vh60Q8DkaRrLyEXd7oGY4H6UpTB5HqaHC8oodkD+N2xv5MzMyhogggiiDEV8IcXu4hXlUkGEruuTWCXoMABJYQo/fFiaReY/Vsnzvql4GbazVFR4pzGbPnoemVCIeVBcwO/ZOoofTCgmvzzbv3Wlmsxg4CE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=aQQq6Jd6; 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="aQQq6Jd6" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4D0C11F00893; Mon, 8 Jun 2026 11:11:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1780917074; bh=9mMhhqavkFh5g2BKJ5b1tL29Bv070w0ile8H3LVTu4s=; h=Date:Subject:To:Cc:References:From:In-Reply-To; b=aQQq6Jd6ZKmZaJJUqtAXqJ1VcvnZs8uolvLIDHP0peuQatL9aKk5iMScXMRZ713S0 1yj4wpqkqZYETghyxHpSN1a7fA2WWRQHxt+PLvTP6nlYnitN02VyscM4KhPa23pHke PAbvhnob3URKA8XJnY8pwd1UPTihmgk+veca2Y59q2a2LwliY3l7dGZieOTxYhbSXq e9+8VSo1IMsTJ9S6vXMa1queDHicHxQrugC3zO5tUSR0zwCp1KMPeh3tTUwcJIENQD 6frlCiFK2vkEfH0rMOwqTlvQGqE1UTy1hS3am+QsCIw+Oz1QInhmWqosLzLGUXheZG HLOoQ04Rr/aow== Message-ID: Date: Mon, 8 Jun 2026 13:11:08 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] dt-bindings: mfd: syscon: Make ranges required for renesas,r9a08g046-lvds-cmn To: Biju Das , "biju.das.au" Cc: Lee Jones , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Geert Uytterhoeven , "magnus.damm" , "devicetree@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "linux-renesas-soc@vger.kernel.org" , Prabhakar Mahadev Lad References: <20260602131331.90756-1-biju.das.jz@bp.renesas.com> <20260608-alluring-remarkable-echidna-d107ea@quoll> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 08/06/2026 12:26, Biju Das wrote: > Hi Krzysztof Kozlowski, > > Thanks for the feedback. > >> -----Original Message----- >> From: Krzysztof Kozlowski >> Sent: 08 June 2026 11:22 >> Subject: Re: [PATCH] dt-bindings: mfd: syscon: Make ranges required for renesas,r9a08g046-lvds-cmn >> >> On 08/06/2026 12:20, Krzysztof Kozlowski wrote: >>> On Tue, Jun 02, 2026 at 02:13:29PM +0100, Biju wrote: >>>> From: Biju Das >>>> >>>> Add a conditional schema rule to the syscon bindings that requires >>>> the ranges property when the compatible string contains >>>> renesas,r9a08g046-lvds-cmn. This ensures the LVDS common control >>>> block on the RZ/G3L SoC correctly declares its address translation, >>>> as the device has child nodes that need a valid ranges mapping to be >>>> described in the device tree. >>>> >>>> Signed-off-by: Biju Das >>>> --- >>>> Documentation/devicetree/bindings/mfd/syscon.yaml | 14 >>>> ++++++++++++++ >>>> 1 file changed, 14 insertions(+) >>>> >>>> diff --git a/Documentation/devicetree/bindings/mfd/syscon.yaml >>>> b/Documentation/devicetree/bindings/mfd/syscon.yaml >>>> index 9c81010d5a74..cbf83a06ae25 100644 >>>> --- a/Documentation/devicetree/bindings/mfd/syscon.yaml >>>> +++ b/Documentation/devicetree/bindings/mfd/syscon.yaml >>>> @@ -269,6 +269,8 @@ properties: >>>> resets: >>>> maxItems: 1 >>>> >>>> + ranges: true >>> >>> There are no children allowed, so ranges property is wrong. >>> >>> You are changing binding which DOES NOT allow simple-mfd or any other >>> children. Ranges is not a problem here. >> >> >> And if you tested it on your DTS, you would see this does not work... > > I don't see any warnings or error. I have done this change based on Rob's comment > based on sashiko review [1]. > > If you agree, I can drop this patch. > > [1] > https://lore.kernel.org/all/20260601022619.GA3961324-robh@kernel.org/ Look: https://lore.kernel.org/all/20260524194457.479681-2-biju.das.jz@bp.renesas.com/ What compatibles are here? Now open the binding - what compatibles are allowed for renesas,r9a08g046-lvds-cmn ? Best regards, Krzysztof