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 39D4E3845B0; Mon, 8 Jun 2026 10:21:38 +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=1780914100; cv=none; b=vCZC4S9nzfwtsU7fZTdQWcvhkYUfEtsl9sNCOGy/aDyhVLE4yigGMevu/saqwtfDq+dRtcTGKAvHwvDM4HuSdU46b47+SWC0FaC1J5FFx97vCz2w/zd7Wgat8xq+m22onQLoiymZoPF76SaJBgI8WFo5aZci2RZH3QN00s5nAFw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780914100; c=relaxed/simple; bh=2FRgBkYx6mcbju+8Th8XWJJ9K0SL2hY6accfHOXUdds=; h=Message-ID:Date:MIME-Version:Subject:From:To:Cc:References: In-Reply-To:Content-Type; b=bnQcVeiWSRmHaFOR2nkPhPxxnba0hG0jGmWNxpjNG7njDxOTfBJQMPusz4iaynukG+2sSlmnfRNHXITSk0qivdkpt+ZqjmffRYjqdayzE2DjCpLuJIsXHKBRtQhDU31KjVOvGM4TKK+NycrMbKiApAc+UgN5nEQ0v3URUnCNN0Q= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=QOyIRYBn; 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="QOyIRYBn" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5084E1F00893; Mon, 8 Jun 2026 10:21:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1780914098; bh=RM7MVyEP8MtslC3AsIl/O663c6rnFZG1I++AFa0NhHU=; h=Date:Subject:From:To:Cc:References:In-Reply-To; b=QOyIRYBndbZAfojnW9/xodUJfttObep7JNufaTxAH088b3ON6FUeaEdtx8os52ljZ jCvTTvY8c3d+a2/ZBhcXPVBvOj3GZg27qSYbqSqercDCQHBBfBF0KGcarEKh+c1K9E odLrUNTohV0jxzJV+X2cTfmif9NOnD2ihHIeMkR7JR0z6qLNiGmVB9WAI5Vmc2I8Zh jnqkBLmxXYmGFeVXJc91x4Qwu6tAWMwdxDzja3+wtYuD/Lr0jSyPdmMX/Fya7va12w OaxrwCpUdLpuKnZbXLbdGT0ygZRYtBI3/ZKybgnyfy9fe45PJZgFSIDFGeUBL9fABx Vm+DR8bdp/R8g== Message-ID: Date: Mon, 8 Jun 2026 12:21:33 +0200 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] dt-bindings: mfd: syscon: Make ranges required for renesas,r9a08g046-lvds-cmn From: Krzysztof Kozlowski To: Biju Cc: Lee Jones , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Geert Uytterhoeven , Magnus Damm , Biju Das , 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> Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 08/06/2026 12:20, 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... Best regards, Krzysztof