From mboxrd@z Thu Jan 1 00:00:00 1970 From: Fabrizio Castro 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> References: <1564731249-22671-1-git-send-email-fabrizio.castro@bp.renesas.com> Return-path: In-Reply-To: <1564731249-22671-1-git-send-email-fabrizio.castro@bp.renesas.com> Sender: linux-kernel-owner@vger.kernel.org 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 List-Id: devicetree@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