From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 7A5831E5219; Fri, 12 Sep 2025 22:35:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757716555; cv=none; b=Zc/V1Ce0MwzG84ZaptRNzmOScFLonjnwMqV5PjjmcX6xKrsF0nWEpY6t3Xo1ot1FW9RyD50zPImmPFB8i92cG1LaMj11irpLAB78fsj2S2kr6hNQs8OePQFsyX3uXYEbsYboUYhCAhZuFKOAu1NjV6ZxXzgtCEy+M7AanoASsaQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757716555; c=relaxed/simple; bh=2CnoRP2z2CLiNDktcdk7xPf8rU6fPu5yFoEfsAQ+Ojs=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=H+Vk/umPUjm2ERGtaz6WJv3H+bWiQlcWxFE8JRLA0/K1CJrtXfroh59463/IzYbuUAwdSAKIcI9/6w56CFx24g+Vxc6AxatVRlOwUMabk37IqBaY3PetaceZMRgo1lh1rkPrbJxlt10oevAO3PumXej2vN3m0z240FwTzKVNvoI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=hu/SOl5u; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="hu/SOl5u" Received: by smtp.kernel.org (Postfix) with ESMTPSA id DB511C4CEF1; Fri, 12 Sep 2025 22:35:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1757716555; bh=2CnoRP2z2CLiNDktcdk7xPf8rU6fPu5yFoEfsAQ+Ojs=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=hu/SOl5u4tRtqyhIOiqYNA6XR+OljawU94WoV3xl2KyKukaDgM3hrqX1oeitvy3fe xl5QuU3ysL1uJUsjgCMz1KBdUHW7TrgQc5lE1NRoP7oqzXuicalQzfseXQPZZVv1AW 64r5Me63yOJf0e2v9qKH4UHZoXbB9O3QrAOun2q1UvEElh09kY7ryfg8mPjtdplex0 Qqy6SZ/6x6jTUcsJzY0SPPCenlwjeCZc+ypWUuk8gpDl0ejgeOwhjvVkxqHpbvraua 4EQ6RnAnqNrFmjxjPeF8OAaTvof5TB4h8WptdYxIlSygut+PuL7dgiOheOYXmRnVyG ZANYc3XlgMgaA== Date: Fri, 12 Sep 2025 17:35:54 -0500 From: Rob Herring To: Frank Li Cc: Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , David Airlie , Simona Vetter , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Krzysztof Kozlowski , Conor Dooley , Peter Senna Tschudin , Ian Ray , Martyn Welch , "open list:DRM DRIVERS" , "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" , open list , imx@lists.linux.dev Subject: Re: [PATCH 1/1] dt-bindings: display: bridge: convert megachips-stdpxxxx-ge-b850v3-fw.txt to yaml Message-ID: <20250912223554.GA1536924-robh@kernel.org> References: <20250912181419.1114695-1-Frank.Li@nxp.com> Precedence: bulk X-Mailing-List: imx@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250912181419.1114695-1-Frank.Li@nxp.com> On Fri, Sep 12, 2025 at 02:14:18PM -0400, Frank Li wrote: > Convert megachips-stdpxxxx-ge-b850v3-fw.txt to yaml format. > > Additional changes: > - Only keep one example. > > Signed-off-by: Frank Li > --- > .../megachips,stdp2690-ge-b850v3-fw.yaml | 105 ++++++++++++++++++ > .../megachips-stdpxxxx-ge-b850v3-fw.txt | 91 --------------- > 2 files changed, 105 insertions(+), 91 deletions(-) > create mode 100644 Documentation/devicetree/bindings/display/bridge/megachips,stdp2690-ge-b850v3-fw.yaml > delete mode 100644 Documentation/devicetree/bindings/display/bridge/megachips-stdpxxxx-ge-b850v3-fw.txt > > diff --git a/Documentation/devicetree/bindings/display/bridge/megachips,stdp2690-ge-b850v3-fw.yaml b/Documentation/devicetree/bindings/display/bridge/megachips,stdp2690-ge-b850v3-fw.yaml > new file mode 100644 > index 0000000000000..6b5cfc41f7414 > --- /dev/null > +++ b/Documentation/devicetree/bindings/display/bridge/megachips,stdp2690-ge-b850v3-fw.yaml > @@ -0,0 +1,105 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/display/bridge/megachips,stdp2690-ge-b850v3-fw.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: GE B850v3 video bridge > + > +maintainers: > + - Frank Li > + > +description: | > + STDP4028-ge-b850v3-fw bridges (LVDS-DP) > + STDP2690-ge-b850v3-fw bridges (DP-DP++) > + > + The video processing pipeline on the second output on the GE B850v3: > + > + Host -> LVDS|--(STDP4028)--|DP -> DP|--(STDP2690)--|DP++ -> Video output > + > + Each bridge has a dedicated flash containing firmware for supporting the custom > + design. The result is that, in this design, neither the STDP4028 nor the > + STDP2690 behave as the stock bridges would. The compatible strings include the > + suffix "-ge-b850v3-fw" to make it clear that the driver is for the bridges with > + the firmware specific for the GE B850v3. > + > + The hardware do not provide control over the video processing pipeline, as the > + two bridges behaves as a single one. The only interfaces exposed by the > + hardware are EDID, HPD, and interrupts. > + > +properties: > + compatible: > + enum: > + - megachips,stdp4028-ge-b850v3-fw > + - megachips,stdp2690-ge-b850v3-fw > + > + reg: > + maxItems: 1 > + > + interrupts: > + maxItems: 1 > + > + ports: > + $ref: /schemas/graph.yaml#/properties/ports > + properties: > + port@0: > + $ref: /schemas/graph.yaml#/properties/port Need to state this is the input port. > + > + port@1: > + $ref: /schemas/graph.yaml#/properties/port And this is the output. Aren't both required as well? > + > +required: > + - compatible > + - reg > + - ports > + > +allOf: > + - if: > + properties: > + compatible: > + contains: > + const: megachips,stdp4028-ge-b850v3-fw > + then: > + required: > + - interrupts > + > +additionalProperties: false > + > +examples: > + - | > + #include > + > + i2c { > + #address-cells = <1>; > + #size-cells = <0>; > + > + bridge@73 { > + compatible = "megachips,stdp4028-ge-b850v3-fw"; > + reg = <0x73>; > + interrupt-parent = <&gpio2>; > + interrupts = <0 IRQ_TYPE_LEVEL_HIGH>; > + > + ports { > + #address-cells = <1>; > + #size-cells = <0>; > + > + port@0 { > + reg = <0>; > + > + endpoint { > + remote-endpoint = <&lvds0_out>; > + }; > + > + }; > + > + port@1 { > + reg = <1>; > + > + endpoint { > + remote-endpoint = <&stdp2690_in>; > + }; > + }; > + }; > + }; > + }; > +