From patchwork Fri Aug 2 07:34:00 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fabrizio Castro X-Patchwork-Id: 11072751 X-Patchwork-Delegate: kieran@bingham.xyz Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id B0E651398 for ; Fri, 2 Aug 2019 07:34:53 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 97693287C9 for ; Fri, 2 Aug 2019 07:34:53 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 87EB9287C2; Fri, 2 Aug 2019 07:34:53 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 17148287C2 for ; Fri, 2 Aug 2019 07:34:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389808AbfHBHet (ORCPT ); Fri, 2 Aug 2019 03:34:49 -0400 Received: from relmlor1.renesas.com ([210.160.252.171]:17475 "EHLO relmlie5.idc.renesas.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S2389759AbfHBHet (ORCPT ); Fri, 2 Aug 2019 03:34:49 -0400 X-IronPort-AV: E=Sophos;i="5.64,337,1559487600"; d="scan'208";a="23151144" Received: from unknown (HELO relmlir5.idc.renesas.com) ([10.200.68.151]) by relmlie5.idc.renesas.com with ESMTP; 02 Aug 2019 16:34:47 +0900 Received: from fabrizio-dev.ree.adwin.renesas.com (unknown [10.226.36.196]) by relmlir5.idc.renesas.com (Postfix) with ESMTP id C8BF140078B4; Fri, 2 Aug 2019 16:34:43 +0900 (JST) From: Fabrizio Castro To: Laurent Pinchart , Kieran Bingham , Jacopo Mondi , Thierry Reding , David Airlie , Daniel Vetter , Rob Herring , Mark Rutland Cc: Fabrizio Castro , Sam Ravnborg , dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Simon Horman , Geert Uytterhoeven , Chris Paterson , Biju Das , linux-renesas-soc@vger.kernel.org Subject: [PATCH/RFC 03/12] dt-bindings: panel: lvds: Add dual-link LVDS display support Date: Fri, 2 Aug 2019 08:34:00 +0100 Message-Id: <1564731249-22671-4-git-send-email-fabrizio.castro@bp.renesas.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1564731249-22671-1-git-send-email-fabrizio.castro@bp.renesas.com> References: <1564731249-22671-1-git-send-email-fabrizio.castro@bp.renesas.com> Sender: linux-renesas-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Dual-link LVDS displays have two ports, therefore document this with the bindings. Signed-off-by: Fabrizio Castro --- .../bindings/display/panel/panel-lvds.txt | 91 ++++++++++++++++------ 1 file changed, 67 insertions(+), 24 deletions(-) diff --git a/Documentation/devicetree/bindings/display/panel/panel-lvds.txt b/Documentation/devicetree/bindings/display/panel/panel-lvds.txt index 250850a..07795441 100644 --- a/Documentation/devicetree/bindings/display/panel/panel-lvds.txt +++ b/Documentation/devicetree/bindings/display/panel/panel-lvds.txt @@ -41,7 +41,8 @@ Required nodes: - panel-timing: See panel-common.txt. - ports: See panel-common.txt. These bindings require a single port subnode - corresponding to the panel LVDS input. + (for a single link display) or two port subnodes (for a dual link display) + corresponding to the panel LVDS input(s). LVDS data mappings are defined as follows. @@ -92,30 +93,72 @@ CTL3: 0 Example ------- -panel { - compatible = "mitsubishi,aa121td01", "panel-lvds"; - - width-mm = <261>; - height-mm = <163>; - - data-mapping = "jeida-24"; - - panel-timing { - /* 1280x800 @60Hz */ - clock-frequency = <71000000>; - hactive = <1280>; - vactive = <800>; - hsync-len = <70>; - hfront-porch = <20>; - hback-porch = <70>; - vsync-len = <5>; - vfront-porch = <3>; - vback-porch = <15>; +Single port: + panel { + compatible = "mitsubishi,aa121td01", "panel-lvds"; + + width-mm = <261>; + height-mm = <163>; + + data-mapping = "jeida-24"; + + panel-timing { + /* 1280x800 @60Hz */ + clock-frequency = <71000000>; + hactive = <1280>; + vactive = <800>; + hsync-len = <70>; + hfront-porch = <20>; + hback-porch = <70>; + vsync-len = <5>; + vfront-porch = <3>; + vback-porch = <15>; + }; + + port { + panel_in: endpoint { + remote-endpoint = <&lvds_encoder>; + }; + }; }; - port { - panel_in: endpoint { - remote-endpoint = <&lvds_encoder>; +Two ports: + panel { + compatible = "advantech,idk-2121wr", "panel-lvds"; + + width-mm = <476>; + height-mm = <268>; + + data-mapping = "vesa-24"; + + panel-timing { + clock-frequency = <148500000>; + hactive = <1920>; + vactive = <1080>; + hsync-len = <44>; + hfront-porch = <88>; + hback-porch = <148>; + vfront-porch = <4>; + vback-porch = <36>; + vsync-len = <5>; + }; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + lvds0_panel_in: endpoint { + remote-endpoint = <&lvds0_out>; + }; + }; + + port@1 { + reg = <1>; + lvds1_panel_in: endpoint { + remote-endpoint = <&lvds1_out>; + }; + }; }; }; -};