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 670D9CD4F54 for ; Wed, 27 May 2026 09:40:08 +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=0b+0HJYxaS84niZxcOWHAY0nyQ3pdlV7TdkyondWJfg=; b=EZM1dB7qkOBdS7RKsNCgo4hsFy BYccu8Jbx81EEOfkYxyXdyuRzgKUtF0s80Z3G+u9z5TD5KNl7+lTz5oiV4nGU2DPW5oA8BlDI8xwO 4zSI6F4ZQi+7RluK85n62GlOrTtbkMsMi17fpqe5mOfs+l0Tdoejry6nAKKVuVlhHUArza2WpvUJr 6Nt+Qa58c8egKiA3bjGSSxHzTxiNJ6K7VSIh+901G+X1q9D6aybL7MrboAiBjKlrbRb68dKYKLa5N eBmq4ZYGX+HaopPF6wPBwU7GWNeLmCOhrRN/Xzrf32X9gsJAwQHlEC+fuue1XUJrSZ2vxwRjXtt4M KjtZXV3Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wSAk5-00000003fAT-2xbk; Wed, 27 May 2026 09:40:01 +0000 Received: from sea.source.kernel.org ([172.234.252.31]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wSAk3-00000003f9a-06OY for linux-arm-kernel@lists.infradead.org; Wed, 27 May 2026 09:40:00 +0000 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by sea.source.kernel.org (Postfix) with ESMTP id 6436F43540; Wed, 27 May 2026 09:39:58 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id DA4A71F000E9; Wed, 27 May 2026 09:39:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1779874798; bh=0b+0HJYxaS84niZxcOWHAY0nyQ3pdlV7TdkyondWJfg=; h=Date:Subject:To:Cc:References:From:In-Reply-To; b=Ds70eKjJ9N3ZR/2zWKbz4qPSsPRtg68CSvfvvly0iSFRMZ4ktnc+/uI9tANQbZDxj NF+8CuFoL6523WNJxNku9wYkBVBJnS3mQocsLbfzWn5/pVlFjjjI9XGXBDpVb+wJ3p TmDFg7KjzRHsWj4HWSetG+A3eg/O8xdUmPGuF83TzQxsfNWn2RWiEracp/sZGgscus uHVHm6eIgLENqsNprJUkmOgtC5Qi4vx9cnslGX+AvG6wsAlm5SLCM08IXaLxW4DTCf uV04GBiHJc56nYbzXT986Btxkvw7iOiDtP8tX2FVeqXLkZzVpRIJ3YZXD/dHyu1ONh zhz7cMp2vjqtQ== Message-ID: Date: Wed, 27 May 2026 11:39:50 +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> <14f9923e-ae0a-4e69-b3b9-a7353b84b9f8@kernel.org> 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_023959_111223_BE7011C0 X-CRM114-Status: GOOD ( 13.26 ) 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 27/05/2026 11:37, Krzysztof Kozlowski wrote: > 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). > I forgot: and Rob's bot warning is an actual proof of that. Best regards, Krzysztof