From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <linux-kernel-owner@vger.kernel.org>
X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on
	aws-us-west-2-korg-lkml-1.web.codeaurora.org
Received: from vger.kernel.org (vger.kernel.org [23.128.96.18])
	by smtp.lore.kernel.org (Postfix) with ESMTP id 25DEBEE4993
	for <linux-kernel@archiver.kernel.org>; Wed, 23 Aug 2023 08:39:37 +0000 (UTC)
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
        id S234800AbjHWIjV (ORCPT <rfc822;linux-kernel@archiver.kernel.org>);
        Wed, 23 Aug 2023 04:39:21 -0400
Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49124 "EHLO
        lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
        with ESMTP id S234744AbjHWIfT (ORCPT
        <rfc822;linux-kernel@vger.kernel.org>);
        Wed, 23 Aug 2023 04:35:19 -0400
Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [213.167.242.64])
        by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1662E10F0;
        Wed, 23 Aug 2023 01:34:23 -0700 (PDT)
Received: from pendragon.ideasonboard.com (213-243-189-158.bb.dnainternet.fi [213.243.189.158])
        by perceval.ideasonboard.com (Postfix) with ESMTPSA id 5D7745AA;
        Wed, 23 Aug 2023 10:33:03 +0200 (CEST)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;
        s=mail; t=1692779583;
        bh=KnMmGl7iLYVGFN9+0p25zbQuQRdeZ7kGNzQXxPBgLBc=;
        h=Date:From:To:Cc:Subject:References:In-Reply-To:From;
        b=LduWqtut725XMnQ8cxaozwbKw+JpNVlXHOtYbbsDbHSxcM+1DhqHlb2/4Z+Gv/vGv
         IVl626qnV8JseOqIDI/Re1uEYVnyXWowrjBuhEOXaySxIhL5XvdjU8dfKpTzzyLvfN
         mCkZH9iQXF2mxOvcIuJzbLWDXWhDz4ODs2L2ZWQ4=
Date:   Wed, 23 Aug 2023 11:34:27 +0300
From:   Laurent Pinchart <laurent.pinchart@ideasonboard.com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Cc:     Neil Armstrong <neil.armstrong@linaro.org>,
        Sam Ravnborg <sam@ravnborg.org>,
        David Airlie <airlied@gmail.com>,
        Daniel Vetter <daniel@ffwll.ch>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Conor Dooley <conor+dt@kernel.org>,
        Jianhua Lu <lujianhua000@gmail.com>,
        Del Regno <angelogioacchino.delregno@somainline.org>,
        Thierry Reding <thierry.reding@gmail.com>,
        dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3 1/3] dt-bindings: display: panel: add common
 dual-display schema
Message-ID: <20230823083427.GB4143@pendragon.ideasonboard.com>
References: <20230823081500.84005-1-krzysztof.kozlowski@linaro.org>
MIME-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Disposition: inline
In-Reply-To: <20230823081500.84005-1-krzysztof.kozlowski@linaro.org>
Precedence: bulk
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

Hi Krzysztof,

Thank you for the patch.

On Wed, Aug 23, 2023 at 10:14:58AM +0200, Krzysztof Kozlowski wrote:
> Add schema with common properties shared among dual display panel ICs.
> 
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
> 
> ---
> 
> v2: https://lore.kernel.org/all/20230502120036.47165-1-krzysztof.kozlowski@linaro.org/
> v1: https://lore.kernel.org/all/20230416153929.356330-1-krzysztof.kozlowski@linaro.org/
> 
> Changes since v2:
> 1. New Patch
> ---
>  .../display/panel/panel-common-dual.yaml      | 46 +++++++++++++++++++
>  1 file changed, 46 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/display/panel/panel-common-dual.yaml
> 
> diff --git a/Documentation/devicetree/bindings/display/panel/panel-common-dual.yaml b/Documentation/devicetree/bindings/display/panel/panel-common-dual.yaml
> new file mode 100644
> index 000000000000..83fcd643b5f5
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/panel/panel-common-dual.yaml
> @@ -0,0 +1,46 @@
> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/display/panel/panel-common-dual.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Common Properties for Dual-Display Panels
> +
> +maintainers:
> +  - Thierry Reding <thierry.reding@gmail.com>
> +  - Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
> +
> +description:
> +  Properties common for Panel IC supporting dual display panels.

Could you elaborate on what you mean by dual display panels ? From what
I understand of the patch series, this seems to be what I have called
dual port panels, that is panels that have two input ports to double the
bandwidth, but still operate as one display.

> +
> +allOf:
> +  - $ref: panel-common.yaml#
> +
> +properties:
> +  ports:
> +    $ref: /schemas/graph.yaml#/properties/ports
> +    additionalProperties: false
> +
> +    properties:
> +      port@0:
> +        $ref: /schemas/graph.yaml#/properties/port
> +        description: First display panel
> +
> +      port@1:
> +        $ref: /schemas/graph.yaml#/properties/port
> +        description: Second display panel
> +
> +      "#address-cells": true
> +      "#size-cells": true
> +
> +    required:
> +      - port@0
> +
> +# Single-panel setups are still allowed.
> +oneOf:
> +  - required:
> +      - ports
> +  - required:
> +      - port
> +
> +additionalProperties: true

-- 
Regards,

Laurent Pinchart