From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from metis.whiteo.stw.pengutronix.de (metis.whiteo.stw.pengutronix.de [185.203.201.7]) (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 9687336CDFF for ; Wed, 14 Jan 2026 06:45:00 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.203.201.7 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768373106; cv=none; b=QGnvtKStlhy6evX/sevIA4kA+Qa0ynD1+ii2IEjrgsK8LkXt7BlkyrX/pRv6GcLDC0gVsIdjyyyoXFSrjVRhCF1kcoFUK66IJbPlXE80kuTWNwKjOGS0b8jn1oT/N1NeCAIUkkaiwxnuS+VDWOcjszb0zVuKHfeydDJycfgCSwk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768373106; c=relaxed/simple; bh=HonPjj8cm4K0U72elfzJghulhfMJejN33xJs3e5CRRQ=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=PN5shhLUhhDjGgo3TO9H7OKes3CwlUbFw0mwsnepw++3Y53rAAjygPl6WH5V/YBXJ95eZX16SdQRfrNXc8ypg5fQ0Dmj9Tweh4ANzFfWfMXJg7dQ5reKOZLga1XV4r0742y3HaG6O2IBXOwekL8JxXjh2JYOYxhRLzhypnOBX8E= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=pengutronix.de; spf=pass smtp.mailfrom=pengutronix.de; arc=none smtp.client-ip=185.203.201.7 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=pengutronix.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=pengutronix.de Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1vfucE-0007j4-7z; Wed, 14 Jan 2026 07:44:26 +0100 Received: from pty.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::c5]) by drehscheibe.grey.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1vfucD-000XvD-14; Wed, 14 Jan 2026 07:44:24 +0100 Received: from mfe by pty.whiteo.stw.pengutronix.de with local (Exim 4.96) (envelope-from ) id 1vfucC-00Bccj-1g; Wed, 14 Jan 2026 07:44:24 +0100 Date: Wed, 14 Jan 2026 07:44:24 +0100 From: Marco Felsch To: Frank Li Cc: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Peng Fan , Liu Ying , Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , 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 Subject: Re: [PATCH v8 1/3] dt-bindings: soc: imx93-media-blk-ctrl: Add PDFC subnode to schema and example Message-ID: <20260114064424.illaf77ho7cb2uvv@pengutronix.de> References: <20260113-v6-18-topic-imx93-parallel-display-v8-0-4abccdc473a5@pengutronix.de> <20260113-v6-18-topic-imx93-parallel-display-v8-1-4abccdc473a5@pengutronix.de> Precedence: bulk X-Mailing-List: linux-kernel@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: X-SA-Exim-Connect-IP: 2a0a:edc0:0:c01:1d::a2 X-SA-Exim-Mail-From: mfe@pengutronix.de X-SA-Exim-Scanned: No (on metis.whiteo.stw.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-kernel@vger.kernel.org Hi Frank, On 26-01-13, Frank Li wrote: > On Tue, Jan 13, 2026 at 08:07:27PM +0100, Marco Felsch wrote: > > From: Liu Ying > > > > i.MX93 SoC mediamix blk-ctrl contains one DISPLAY_MUX register which > > configures parallel display format by using the "PARALLEL_DISP_FORMAT" > > field. Document the Parallel Display Format Configuration(PDFC) subnode > > and add the subnode to example. > > > > Signed-off-by: Liu Ying > > [m.felsch@pengutronix.de: port to v6.18-rc1] > > [m.felsch@pengutronix.de: add bus-width] > > Signed-off-by: Marco Felsch > > --- > > .../bindings/soc/imx/fsl,imx93-media-blk-ctrl.yaml | 79 ++++++++++++++++++++++ > > 1 file changed, 79 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 34aea58094e55365a2f9c86092f637e533f954ff..82d30e4140f4d511bc59665370d561efe7a707bd 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 > > @@ -40,6 +40,58 @@ properties: > > minItems: 8 > > maxItems: 10 > > > > + dpi-bridge: > > + type: object > > + additionalProperties: false > > + > > + properties: > > + compatible: > > + enum: > > + - nxp,imx91-pdfc > > + - nxp,imx93-pdfc > > + > > + ports: > > + $ref: /schemas/graph.yaml#/properties/ports > > + > > + properties: > > + port@0: > > + $ref: /schemas/graph.yaml#/properties/port > > + description: Input port node to receive pixel data. > > + > > + port@1: > > + $ref: /schemas/graph.yaml#/$defs/port-base > > + unevaluatedProperties: false > > + description: Output port node to downstream pixel data receivers. > > + > > + properties: > > + endpoint: > > + $ref: /schemas/media/video-interfaces.yaml# > > + unevaluatedProperties: false > > + > > + properties: > > + bus-width: > > + enum: [ 16, 18, 24 ] > > + description: > > + Specify the physical parallel bus width. > > + > > + This property is optional if the display bus-width > > + matches the SoC bus-width, e.g. a 18-bit RGB666 (display) > > + is connected and all 18-bit data lines are muxed to the > > + parallel-output pads. > > + > > + This property must be set to 18 to cut only the LSBs > > + instead of the MSBs in case a 24-bit RGB888 display is > > + connected and only the lower 18-bit data lanes are muxed > > + to the parallel-output pads. > > + > > + required: > > + - port@0 > > + - port@1 > > + > > + required: > > + - compatible > > + - ports > > + > > allOf: > > - if: > > properties: > > @@ -81,6 +133,7 @@ allOf: > > - const: isi > > - const: csi > > - const: dsi > > + > > remove this unnecessary changes Yes this change is not necessary but I wanted to format the file properly and I thought it can be done in this patch as well since the change is really small without the need of a separate patch. Regards, Marco > > Frank > > required: > > - compatible > > - reg > > @@ -112,4 +165,30 @@ examples: > > clock-names = "apb", "axi", "nic", "disp", "cam", > > "pxp", "lcdif", "isi", "csi", "dsi"; > > #power-domain-cells = <1>; > > + > > + dpi-bridge { > > + compatible = "nxp,imx93-pdfc"; > > + > > + ports { > > + #address-cells = <1>; > > + #size-cells = <0>; > > + > > + port@0 { > > + reg = <0>; > > + > > + pdfc_from_lcdif: endpoint { > > + remote-endpoint = <&lcdif_to_pdfc>; > > + }; > > + }; > > + > > + port@1 { > > + reg = <1>; > > + > > + pdfc_to_panel: endpoint { > > + remote-endpoint = <&panel_from_pdfc>; > > + bus-width = <18>; > > + }; > > + }; > > + }; > > + }; > > }; > > > > -- > > 2.47.3 > > > -- #gernperDu #CallMeByMyFirstName Pengutronix e.K. | | Steuerwalder Str. 21 | https://www.pengutronix.de/ | 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-9 |