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 4A0F914884C; Fri, 17 Jul 2026 18:45:37 +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=1784313938; cv=none; b=dVeN2CF1mm+3k5ZDNu4h46H8NGOM1ucCih2tHMA7NwIS6MfpCyg2GytlXpLIS8Cx7LT7UNctrZqB2XBzlyw/L51/ZkfXCp51VlDJus6kMvD3FgIpj3KNXmC8O8AU9zOsLqMGgH5XRL4rRpXToYwaX0Gju2fNuI7NYsVcz83F32M= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784313938; c=relaxed/simple; bh=+9m8njqm0EAQRGljyZMRrTl6U/ftUawIM/b8RNOtePQ=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=c+s11nP0rFe5enDJo1kcFxfOcpthZAYp/nBmaIYXrykmxrNxRMDFJV3deq0QYhhX2xgcrCctyR34uCyc0i76Nb3MyaNRDIfgzvkbI2lieWGO3IJ9jp2f/vScrUA7X5eRq0NdUCXP0cMkpZOfL8XgROCtiO6g2e/HChIiCrXWQCg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=B1fKXYJh; 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="B1fKXYJh" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D7D1B1F00A3A; Fri, 17 Jul 2026 18:45:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1784313937; bh=7e5kgtc2YZSO5D03srWrdyaym5Iq/tfMaY+RIMQ8Ask=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=B1fKXYJh2h7Ct2/5ML0oO16NwxLPg/4YRE4YHOue1OIZylWuNWnUszWCEoEOaAXoP 4HlIqSo5hETN9YBZY48ZcnmuXi5WVyQrJp7jFO+tL7UAmpw/i4mFysLaQXsW8zif1x +RqtsbyH5fy9gDDKfVDNokAXATV+aMfYebYpIkZ7XXKawQ1AXjmmF3jRniGLIs3cOf vf8Ybp/wUvDhMxANd9b42G9fuLAjLXd+fxy4N9PQBcvZR5uGRGkVTe7CnUbCo8ZgT+ xoqv+kcYqWru71TvPJPdAJEi6TK12MO/1+2nD0MLv7FRpF4cgufm6hQbSDH1ChnnHF Pc/KIgt9oxttg== Date: Fri, 17 Jul 2026 13:45:36 -0500 From: Rob Herring To: Frank.Li@oss.nxp.com Cc: Krzysztof Kozlowski , Conor Dooley , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Peng Fan , Marek Vasut , Stefan Agner , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Frank Li Subject: Re: [PATCH 2/4] dt-bindings: soc: imx-iomuxc-gpr: allow bridge@18 as child node Message-ID: <20260717184536.GA1805255-robh@kernel.org> References: <20260708-arm_dts_ldb-v1-0-4f5579b85797@nxp.com> <20260708-arm_dts_ldb-v1-2-4f5579b85797@nxp.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260708-arm_dts_ldb-v1-2-4f5579b85797@nxp.com> On Wed, Jul 08, 2026 at 04:29:03PM -0400, Frank.Li@oss.nxp.com wrote: > From: Frank Li > > The legacy i.MX6SX (>15 year) SoC imx-iomuxc-gpr contains one LDB_CTRL > register. Allow the LVDS Display Bridge(LDB) child node under > imx-iomuxc-gpr. > > Fix below CHECK_DTBS warnings: > arch/arm/boot/dts/nxp/imx/imx6sx-nitrogen6sx.dtb: syscon@20e4000 (fsl,imx6sx-iomuxc-gpr): '#address-cells', '#size-cells', 'bridge@18' do not match any of the regexes: '^ipu[12]_csi[01]_mux$', '^pinctrl-[0-9]+$ > > Signed-off-by: Frank Li > --- > .../bindings/soc/imx/fsl,imx-iomuxc-gpr.yaml | 59 ++++++++++++++++++++++ > 1 file changed, 59 insertions(+) > > diff --git a/Documentation/devicetree/bindings/soc/imx/fsl,imx-iomuxc-gpr.yaml b/Documentation/devicetree/bindings/soc/imx/fsl,imx-iomuxc-gpr.yaml > index 721a67e84c137..c3b942bbcd6da 100644 > --- a/Documentation/devicetree/bindings/soc/imx/fsl,imx-iomuxc-gpr.yaml > +++ b/Documentation/devicetree/bindings/soc/imx/fsl,imx-iomuxc-gpr.yaml > @@ -47,10 +47,21 @@ properties: > reg: > maxItems: 1 > > + '#address-cells': > + const: 1 > + > + '#size-cells': > + const: 1 > + > mux-controller: > type: object > $ref: /schemas/mux/reg-mux.yaml > > + bridge@18: > + type: object > + $ref: /schemas/display/bridge/fsl,ldb.yaml# > + unevaluatedProperties: false > + > patternProperties: > "^ipu[12]_csi[01]_mux$": > type: object > @@ -67,6 +78,18 @@ allOf: > patternProperties: > '^ipu[12]_csi[01]_mux$': false > > + - if: > + properties: > + compatible: > + not: > + contains: > + const: fsl,imx6sx-iomuxc-gpr > + then: > + properties: > + bridge@18: false > + '#address-cells': false > + '#size-cells': false > + > additionalProperties: false > > required: > @@ -87,4 +110,40 @@ examples: > }; > }; > > + - | > + #include > + > + syscon@20e4000 { > + compatible = "fsl,imx6sx-iomuxc-gpr", "fsl,imx6q-iomuxc-gpr", "syscon", "simple-mfd"; > + reg = <0x020e4000 0x4000>; > + #address-cells = <1>; > + #size-cells = <1>; > + > + bridge@18 { > + compatible = "fsl,imx6sx-ldb"; > + reg = <0x18 0x4>; > + clocks = <&clks IMX6SX_CLK_LDB_DI0>; > + clock-names = "ldb"; > + status = "disabled"; Examples should be enabled. Drop. > + > + ports { > + #address-cells = <1>; > + #size-cells = <0>; > + > + port@0 { > + reg = <0>; > + > + endpoint { > + }; > + }; > + > + port@1 { > + reg = <1>; > + > + endpoint { > + }; > + }; > + }; > + }; > + }; > ... > > -- > 2.43.0 >