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 42BDA3AFAE6; Wed, 10 Jun 2026 08:34:20 +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=1781080461; cv=none; b=tovxikozQXz6pAkAddOIIDo5gvlZlX5+5c5ChYy3UA/fbv72k26JUbV2PWQi5PP1aWMDtQ7TWHK/OUtpHDov5bfYyL4LQj4QRS0+APSVPNChzHsV07gQuiYlXOfNYaO36SfnsoJficVURiUBhrP8tAicoeIqPYek/RQDUkHOMg4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781080461; c=relaxed/simple; bh=6Ae9YUlBuGiVPUX4Xlf7BFOU/LuS4QHqURvPZEngrUI=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=h3EoL/yWeG3vMn4x5ka1EKEYgfP9eBeTpEvfVKIeGio2T3ynqBIHCvuVAIywBMVY0q/+9Rjko3wsHcJ2MitUZMFMz2x9TSj/LkmjgJBbRAhUT+QWcIXpSmzdXqz5aDqQ1cOwVeO+jsOFlvYX5rmGnx97r02mQqA42Y6zWW0j3Is= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=XKs2DyM9; 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="XKs2DyM9" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2CA051F00893; Wed, 10 Jun 2026 08:34:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1781080459; bh=7b4ApobW2X7gdPTAJ+UsvzJRtVC/VUSqidar8NBwVwo=; h=Date:Subject:To:Cc:References:From:In-Reply-To; b=XKs2DyM9w4U2ZXFNcHaI/BvoFoxigaJGJXImtU7r+4g5d/NcLVupqjfnmPLKL5ieU SGt2xdc6nQobo+dfqBloXUJVUBP/JmlMzx/MItAt3FWB0Pg6dp0OfgiVc03/Q7/ASf HzdZ5rZ03vz6nPxgeCGEtW/hZyt7NtfLIm/ao9yX5rJ6jvoVJEVD3WzpPy6tZIavPo xbyjiRx4CJQl8OKzKkqGHKX0NdqMLVWHGkg6iRdkw7gVtiY5Dw2ek/fRrlL60ZPsfO BggZdfXu2VQsaGBaSQA52vVt/NtHNvot8iK6dP3c9U95zmYJBb253wPPW6RURUvQdu tz9PdCMyDtNGQ== Message-ID: Date: Wed, 10 Jun 2026 10:34:13 +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 v2 1/3] dt-bindings: soc: imx: fsl,imx93-media-blk-ctrl: Allow LVDS Display Bridge child node To: Liu Ying Cc: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Frank Li , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Peng Fan , devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Marco Felsch References: <20260608-imx93-ldb-v2-0-1b1fe621bfda@nxp.com> <20260608-imx93-ldb-v2-1-1b1fe621bfda@nxp.com> <20260610-large-just-lynx-d8cb7f@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 10/06/2026 09:56, Liu Ying wrote: > On Wed, Jun 10, 2026 at 09:46:39AM +0200, Krzysztof Kozlowski wrote: >> On Mon, Jun 08, 2026 at 05:04:22PM +0800, Liu Ying wrote: >>> i.MX93 SoC mediamix blk-ctrl contains one LDB_CTRL register and one LVDS >>> register which control video output through a LVDS interface. Allow the >>> LVDS Display Bridge(LDB) child node and add the child node to example. >>> >>> Signed-off-by: Liu Ying >>> --- >>> .../bindings/soc/imx/fsl,imx93-media-blk-ctrl.yaml | 39 ++++++++++++++++++++++ >>> 1 file changed, 39 insertions(+) >>> >>> diff --git a/Documentation/devicetree/bindings/soc/imx/fsl,imx93-media-blk-ctrl.yaml b/Documentation/devicetree/bindings/soc/imx/fsl,imx93-media-blk-ctrl.yaml >>> index d828c2e82965..124f5c206ee3 100644 >>> --- a/Documentation/devicetree/bindings/soc/imx/fsl,imx93-media-blk-ctrl.yaml >>> +++ b/Documentation/devicetree/bindings/soc/imx/fsl,imx93-media-blk-ctrl.yaml >>> @@ -26,6 +26,12 @@ properties: >>> reg: >>> maxItems: 1 >>> >>> + '#address-cells': >>> + const: 1 >>> + >>> + '#size-cells': >>> + const: 1 >>> + >>> '#power-domain-cells': >>> const: 1 >>> >>> @@ -92,6 +98,11 @@ properties: >>> - compatible >>> - ports >>> >>> + bridge@20: >> >> You have dpi-bridge, so this should not be different. You should not mix >> addressable and non-addressable nodes and NXP decided recently in >> 3feaa4342637eef673243dd38ccb32e8dc8efd5a that everything will be >> non-addressable. >> >> Writing bindings ask explicitly to post bindings, so if you decide to do >> half-baked solutions it's on you. Half baked solutions are not allowing >> to bypass standard rules. > > Mixing addressable and non-addressable nodes is allowed according to recent > discussion[1]. > > [1] https://lore.kernel.org/all/n6akxiayi3g6gxcqhreb4iaohmeokoalnqup6h5r2fwdt4zijt@u2wyps55ayqm/ And it is explained in commit msg in... where exactly? Best regards, Krzysztof