From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.3 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E92A8C43331 for ; Thu, 7 Nov 2019 20:38:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B36402178F for ; Thu, 7 Nov 2019 20:38:18 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=ideasonboard.com header.i=@ideasonboard.com header.b="shWmsMDU" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725828AbfKGUiS (ORCPT ); Thu, 7 Nov 2019 15:38:18 -0500 Received: from perceval.ideasonboard.com ([213.167.242.64]:34170 "EHLO perceval.ideasonboard.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725497AbfKGUiS (ORCPT ); Thu, 7 Nov 2019 15:38:18 -0500 Received: from pendragon.ideasonboard.com (81-175-216-236.bb.dnainternet.fi [81.175.216.236]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 6D1B371D; Thu, 7 Nov 2019 21:38:14 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1573159094; bh=bUTEq4disoLzNhpIgZ6skJ8lbqXpVVJz69qrwtBcewk=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=shWmsMDUbxADOgBTbLa5h3G4lli2ewzaQ5iVt69QWt+11SI9V6q0tGi6/SA+cZGTq qZoHcN6R7TLT0S7WQuooXkZ9yGEin4TLMLnjYlBQ8abuZz4kPnqulcmCFjmvMuPgaq 1Z39HwM1UUmztz2i7zPrh1PsJMcwAedKwLZNsXPg= Date: Thu, 7 Nov 2019 22:38:04 +0200 From: Laurent Pinchart To: Fabrizio Castro Cc: Neil Armstrong , David Airlie , Daniel Vetter , Rob Herring , Mark Rutland , Andrzej Hajda , Simon Horman , Geert Uytterhoeven , Magnus Damm , Peter Rosin , dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-renesas-soc@vger.kernel.org, Chris Paterson , Biju Das , Kieran Bingham , Jacopo Mondi Subject: Re: [PATCH v3 3/7] dt-bindings: display: bridge: Repurpose lvds-encoder Message-ID: <20191107203804.GO24983@pendragon.ideasonboard.com> References: <1573157463-14070-1-git-send-email-fabrizio.castro@bp.renesas.com> <1573157463-14070-4-git-send-email-fabrizio.castro@bp.renesas.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <1573157463-14070-4-git-send-email-fabrizio.castro@bp.renesas.com> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-renesas-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org Hi Fabrizio, Thank you for the patch. On Thu, Nov 07, 2019 at 08:10:59PM +0000, Fabrizio Castro wrote: > In an effort to repurpose lvds-encoder.c to also serve the > function of LVDS decoders, we ended up defining a new "generic" > compatible string, therefore adapt the dt-bindings to fit the > new purpose. > > Signed-off-by: Fabrizio Castro > > --- > v2->v3: > * Extracted conversion to lvds-codec as per Rob's comment > v1->v2: > * Converted to dt-schema as per Neil's comment > --- > .../bindings/display/bridge/lvds-codec.yaml | 120 +++++++++++++++++++++ > .../bindings/display/bridge/lvds-transmitter.yaml | 91 ---------------- -M1 would also help a lot here. > 2 files changed, 120 insertions(+), 91 deletions(-) > create mode 100644 Documentation/devicetree/bindings/display/bridge/lvds-codec.yaml > delete mode 100644 Documentation/devicetree/bindings/display/bridge/lvds-transmitter.yaml > > diff --git a/Documentation/devicetree/bindings/display/bridge/lvds-codec.yaml b/Documentation/devicetree/bindings/display/bridge/lvds-codec.yaml > new file mode 100644 > index 0000000..3ebdf96 > --- /dev/null > +++ b/Documentation/devicetree/bindings/display/bridge/lvds-codec.yaml > @@ -0,0 +1,120 @@ > +# SPDX-License-Identifier: GPL-2.0 > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/display/bridge/lvds-codec.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Transparent LVDS encoders and LVDS decoders s/LVDS decoders/decoders/ ? > + > +maintainers: > + - Laurent Pinchart > + > +description: | > + This binding supports transparent LVDS encoders and LVDS decoders that don't Same here. Reviewed-by: Laurent Pinchart > + require any configuration. > + > + LVDS is a physical layer specification defined in ANSI/TIA/EIA-644-A. Multiple > + incompatible data link layers have been used over time to transmit image data > + to LVDS panels. This binding targets devices compatible with the following > + specifications only. > + > + [JEIDA] "Digital Interface Standards for Monitor", JEIDA-59-1999, February > + 1999 (Version 1.0), Japan Electronic Industry Development Association (JEIDA) > + [LDI] "Open LVDS Display Interface", May 1999 (Version 0.95), National > + Semiconductor > + [VESA] "VESA Notebook Panel Standard", October 2007 (Version 1.0), Video > + Electronics Standards Association (VESA) > + > + Those devices have been marketed under the FPD-Link and FlatLink brand names > + among others. > + > +properties: > + compatible: > + description: | > + Any encoder or decoder compatible with this generic binding, but with > + additional properties not listed here, must define its own binding and > + list a device specific compatible first followed by the generic compatible > + enum: > + - lvds-encoder # for LVDS encoders > + - lvds-decoder # for LVDS decoders > + > + ports: > + type: object > + description: | > + This device has two video ports. Their connections are modeled using the > + OF graph bindings specified in Documentation/devicetree/bindings/graph.txt > + properties: > + port@0: > + type: object > + description: | > + With LVDS encoders port 0 is for parallel input > + With LVDS decoders port 0 is for LVDS input > + > + port@1: > + type: object > + description: | > + With LVDS encoders port 1 is for LVDS output > + With LVDS decoders port 1 is for parallel output > + > + required: > + - port@0 > + - port@1 > + > +required: > + - compatible > + - ports > + > +examples: > + - | > + lvds-encoder { > + compatible = "lvds-encoder"; > + > + ports { > + #address-cells = <1>; > + #size-cells = <0>; > + > + port@0 { > + reg = <0>; > + > + lvds_enc_in: endpoint { > + remote-endpoint = <&display_out_rgb>; > + }; > + }; > + > + port@1 { > + reg = <1>; > + > + lvds_enc_out: endpoint { > + remote-endpoint = <&lvds_panel_in>; > + }; > + }; > + }; > + }; > + > + - | > + lvds-decoder { > + compatible = "lvds-decoder"; > + > + ports { > + #address-cells = <1>; > + #size-cells = <0>; > + > + port@0 { > + reg = <0>; > + > + lvds_dec_in: endpoint { > + remote-endpoint = <&display_out_lvds>; > + }; > + }; > + > + port@1 { > + reg = <1>; > + > + lvds_dec_out: endpoint { > + remote-endpoint = <&rgb_panel_in>; > + }; > + }; > + }; > + }; > + > +... > diff --git a/Documentation/devicetree/bindings/display/bridge/lvds-transmitter.yaml b/Documentation/devicetree/bindings/display/bridge/lvds-transmitter.yaml > deleted file mode 100644 > index 5be163a..0000000 > --- a/Documentation/devicetree/bindings/display/bridge/lvds-transmitter.yaml > +++ /dev/null > @@ -1,91 +0,0 @@ > -# SPDX-License-Identifier: GPL-2.0 > -%YAML 1.2 > ---- > -$id: http://devicetree.org/schemas/display/bridge/lvds-transmitter.yaml# > -$schema: http://devicetree.org/meta-schemas/core.yaml# > - > -title: Parallel to LVDS Encoder > - > -maintainers: > - - Laurent Pinchart > - > -description: | > - This binding supports the parallel to LVDS encoders that don't require any > - configuration. > - > - LVDS is a physical layer specification defined in ANSI/TIA/EIA-644-A. Multiple > - incompatible data link layers have been used over time to transmit image data > - to LVDS panels. This binding targets devices compatible with the following > - specifications only. > - > - [JEIDA] "Digital Interface Standards for Monitor", JEIDA-59-1999, February > - 1999 (Version 1.0), Japan Electronic Industry Development Association (JEIDA) > - [LDI] "Open LVDS Display Interface", May 1999 (Version 0.95), National > - Semiconductor > - [VESA] "VESA Notebook Panel Standard", October 2007 (Version 1.0), Video > - Electronics Standards Association (VESA) > - > - Those devices have been marketed under the FPD-Link and FlatLink brand names > - among others. > - > -properties: > - compatible: > - description: | > - Any encoder or decoder compatible with this generic binding, but with > - additional properties not listed here, must define its own binding and > - list a device specific compatible first followed by the generic compatible > - enum: > - - lvds-encoder > - > - ports: > - type: object > - description: | > - This device has two video ports. Their connections are modeled using the > - OF graph bindings specified in Documentation/devicetree/bindings/graph.txt > - properties: > - port@0: > - type: object > - description: | > - Port 0 is for parallel input > - > - port@1: > - type: object > - description: | > - Port 1 is for LVDS output > - > - required: > - - port@0 > - - port@1 > - > -required: > - - compatible > - - ports > - > -examples: > - - | > - lvds-encoder { > - compatible = "lvds-encoder"; > - > - ports { > - #address-cells = <1>; > - #size-cells = <0>; > - > - port@0 { > - reg = <0>; > - > - lvds_enc_in: endpoint { > - remote-endpoint = <&display_out_rgb>; > - }; > - }; > - > - port@1 { > - reg = <1>; > - > - lvds_enc_out: endpoint { > - remote-endpoint = <&lvds_panel_in>; > - }; > - }; > - }; > - }; > - > -... > -- > 2.7.4 > -- Regards, Laurent Pinchart