From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 65F89CD6E41 for ; Wed, 27 May 2026 09:37:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:In-Reply-To:From:References:Cc:To:Subject:MIME-Version:Date: Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=KZ7Yr6n6RZHNl4q4BRl4qJ7txUMkOLIA+bAyPZbb2RM=; b=CvVchP/Qrf6fzuAEetwTG2irHF nLTWg8iFHB7f+q0nn850B6Dk62OmOfP8aPkHxqJ9UDp4z5yz36k2u1Z8sje7KLVJylnESA/KaLku5 Yec7XvllCqtV24YH6L6NhJG6fFQHlnWs6QAbU8p7376rkytjTGK6VrizxtjwluJNMRZWtcWZF6IJ5 hCR4bWNWJgVk0gHf6Y/BJxK6ib7rOr6SN6kVnreau2zKsq2hmRcepoMYNr70EujyTUi7L7T92plxQ bgip6R5R+DuO6iWuubY8d/pjXjgwgOFWirFe7avrmeTxrorc1a4TWqH9islZEwnf3Bz3uHoi6P3NU Eq6tdH0w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wSAhx-00000003evE-0tb3; Wed, 27 May 2026 09:37:49 +0000 Received: from sea.source.kernel.org ([2600:3c0a:e001:78e:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wSAhr-00000003euF-35A2 for linux-arm-kernel@lists.infradead.org; Wed, 27 May 2026 09:37:47 +0000 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by sea.source.kernel.org (Postfix) with ESMTP id 00D3941A15; Wed, 27 May 2026 09:37:43 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id CB1151F000E9; Wed, 27 May 2026 09:37:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1779874662; bh=KZ7Yr6n6RZHNl4q4BRl4qJ7txUMkOLIA+bAyPZbb2RM=; h=Date:Subject:To:Cc:References:From:In-Reply-To; b=iSzpnAk2pa1g9c5snXfAUA2zdi/c2MEztNtyf54EqxcGck9nN5RCgNSRZAErNyZaG aSgsDT8ehMl1D7xN4KniqJGftEIgSJOh1yiAdhJVzhksQqF0sYZ0yze0ZU3Oud2gkD Ly4mTj2Z+OLWakchbCPx2H6+4yBFy2plvJqi26a7xD0GddMWK+RMZXaQf4ADAgmL1o WWlod+vWO8PZhwHtf83PnkIKoGBfd2C9+twYY5iJMYBfWowZ+vQSMaNtgTEH9yuWLw wouXGGQMlPygutAVTEULUm226i64fgqxt04acd/IMtwQ2BpJ1LQzU0cIfObfhJg/2J wFA1GH/cbD9BQ== Message-ID: <14f9923e-ae0a-4e69-b3b9-a7353b84b9f8@kernel.org> Date: Wed, 27 May 2026 11:37:34 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v8 1/2] media: dt-bindings: Add CSI Pixel Formatter DT bindings To: Laurent Pinchart Cc: Guoniu Zhou , Mauro Carvalho Chehab , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Frank Li , imx@lists.linux.dev, linux-media@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Guoniu Zhou , Krzysztof Kozlowski References: <20260525-csi_formatter-v8-0-6b646231224b@oss.nxp.com> <20260525-csi_formatter-v8-1-6b646231224b@oss.nxp.com> <20260526-towering-essential-civet-19a5ad@quoll> <20260526094438.GE228394@killaraus.ideasonboard.com> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260527_023743_893919_464CD4DC X-CRM114-Status: GOOD ( 12.01 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 26/05/2026 11:44, Laurent Pinchart wrote: >>> + - | >>> + #include >>> + >>> + syscon@4ac10000 { >>> + compatible = "nxp,imx95-camera-csr", "syscon"; >> >> Drop entire node, not relevant. Or actually this example could be in the >> parent binding example. > > I asked for this in the review of a previous version. The example only > stated "formatter@20" and it was not mentioned anywhere that the device > was supposed to be a child node of a syscon. The driver reads the reg Binding does not have to state that. Parent's device binding will state that. > property and uses it as an offset to the regmap of the syscon, I wanted > to see where/how the node was meant to be integrated in DT. Sure, parent's device schema should have complete example. But we never add the parent compatibles to the child schema - that's leading to additional work later with no real benefits (that's only example, so no real code except maintenance effort). Best regards, Krzysztof