From patchwork Sat Nov 19 03:48:14 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Laurent Pinchart X-Patchwork-Id: 9437845 X-Patchwork-Delegate: geert@linux-m68k.org Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 4CE1F60237 for ; Sat, 19 Nov 2016 03:48:17 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3D12A2996C for ; Sat, 19 Nov 2016 03:48:17 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 30D2F2999A; Sat, 19 Nov 2016 03:48:17 +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=-7.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, 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 9B6C22996C for ; Sat, 19 Nov 2016 03:48:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752822AbcKSDsP (ORCPT ); Fri, 18 Nov 2016 22:48:15 -0500 Received: from galahad.ideasonboard.com ([185.26.127.97]:55227 "EHLO galahad.ideasonboard.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752380AbcKSDsP (ORCPT ); Fri, 18 Nov 2016 22:48:15 -0500 Received: from avalon.bb.dnainternet.fi (dfj612ybrt5fhg77mgycy-3.rev.dnainternet.fi [IPv6:2001:14ba:21f5:5b00:2e86:4862:ef6a:2804]) by galahad.ideasonboard.com (Postfix) with ESMTPSA id 38A5A2112E; Sat, 19 Nov 2016 04:48:13 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1479527293; bh=U7ID+J+H/1vuKzo27FyG2WqBSBO4b469kPY0ntEiXGM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=vLTjmlpN2SZU7p+OxHAivSZfUpcCbCPqAraeiPy0ntnZT5IrVtzc93a20Yk8Pjg2R 6tHEYgsPXtHhCvXMfSHhj3gyB6rGmGrzXnecOlADOktGtOrC6412G4AmozdiCuQUoB HH5GPdp4/DmxmXdxY6Q8K3vXy62NZ0Pwgvd2S2+M= From: Laurent Pinchart To: dri-devel@lists.freedesktop.org Cc: linux-renesas-soc@vger.kernel.org, devicetree@vger.kernel.org Subject: [PATCH v2 1/9] drm: bridge: Add LVDS encoder DT bindings Date: Sat, 19 Nov 2016 05:48:14 +0200 Message-Id: <1479527302-7674-2-git-send-email-laurent.pinchart+renesas@ideasonboard.com> X-Mailer: git-send-email 2.7.3 In-Reply-To: <1479527302-7674-1-git-send-email-laurent.pinchart+renesas@ideasonboard.com> References: <1479527302-7674-1-git-send-email-laurent.pinchart+renesas@ideasonboard.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 The DT bindings support parallel to LVDS encoders that don't require any configuration, similarly to the dumb VGA DAC DT bindings. Signed-off-by: Laurent Pinchart Acked-by: Rob Herring --- .../bindings/display/bridge/lvds-transmitter.txt | 64 ++++++++++++++++++++++ 1 file changed, 64 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/bridge/lvds-transmitter.txt diff --git a/Documentation/devicetree/bindings/display/bridge/lvds-transmitter.txt b/Documentation/devicetree/bindings/display/bridge/lvds-transmitter.txt new file mode 100644 index 000000000000..fd39ad34c383 --- /dev/null +++ b/Documentation/devicetree/bindings/display/bridge/lvds-transmitter.txt @@ -0,0 +1,64 @@ +Parallel to LVDS Encoder +------------------------ + +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. + + +Required properties: + +- compatible: Must be "lvds-encoder" + +Required nodes: + +This device has two video ports. Their connections are modeled using the OF +graph bindings specified in Documentation/devicetree/bindings/graph.txt. + +- Video port 0 for parallel input +- Video port 1 for LVDS output + + +Example +------- + +lvds-encoder { + compatible = "lvds-encoder"; + #address-cells = <1>; + #size-cells = <0>; + + 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>; + }; + }; + }; +};