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=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT 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 93767C32753 for ; Fri, 2 Aug 2019 07:34:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 70FAD20665 for ; Fri, 2 Aug 2019 07:34:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389780AbfHBHep (ORCPT ); Fri, 2 Aug 2019 03:34:45 -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 S1727656AbfHBHeo (ORCPT ); Fri, 2 Aug 2019 03:34:44 -0400 X-IronPort-AV: E=Sophos;i="5.64,337,1559487600"; d="scan'208";a="23151124" Received: from unknown (HELO relmlir5.idc.renesas.com) ([10.200.68.151]) by relmlie5.idc.renesas.com with ESMTP; 02 Aug 2019 16:34:41 +0900 Received: from fabrizio-dev.ree.adwin.renesas.com (unknown [10.226.36.196]) by relmlir5.idc.renesas.com (Postfix) with ESMTP id 47DFA4007528; Fri, 2 Aug 2019 16:34:38 +0900 (JST) From: Fabrizio Castro To: Laurent Pinchart , Kieran Bingham , Jacopo Mondi , David Airlie , Daniel Vetter , Rob Herring , Mark Rutland Cc: Fabrizio Castro , dri-devel@lists.freedesktop.org, linux-renesas-soc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Simon Horman , Geert Uytterhoeven , Chris Paterson , Biju Das Subject: [PATCH/RFC 02/12] dt-bindings: display: renesas: lvds: Document renesas,swap-data Date: Fri, 2 Aug 2019 08:33:59 +0100 Message-Id: <1564731249-22671-3-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-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org R-Car D3, R-Car E3, and RZ/G2E support dual-link mode. In such a mode, the first LVDS encoder emits even data, and the second LVDS encoder emits odd data. This patch documents property renesas,swap-data, used to swap even and odd data around. Signed-off-by: Fabrizio Castro --- Documentation/devicetree/bindings/display/bridge/renesas,lvds.txt | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/Documentation/devicetree/bindings/display/bridge/renesas,lvds.txt b/Documentation/devicetree/bindings/display/bridge/renesas,lvds.txt index dece79e..8980179 100644 --- a/Documentation/devicetree/bindings/display/bridge/renesas,lvds.txt +++ b/Documentation/devicetree/bindings/display/bridge/renesas,lvds.txt @@ -52,6 +52,11 @@ Optional properties: mandatory for the first LVDS encoder on R-Car D3, R-Car E3, and RZ/G2E SoCs, and shall point to the second encoder to be used as a companion in dual-link mode. It shall not be set for any other LVDS encoder. +- renesas,swap-data : when in dual-link mode, the first LVDS encoder normally + emits even data, and the second LVDS encoder emits odd data. When property + renesas,swap-data is specified, the data emitted by the two encoders will be + swapped around. This property can only be used in conjunction with property + renesas,companion. Example: -- 2.7.4