From patchwork Mon May 30 15:05:45 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marco Felsch X-Patchwork-Id: 577339 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0F8E5C433F5 for ; Mon, 30 May 2022 15:49:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239330AbiE3PtM (ORCPT ); Mon, 30 May 2022 11:49:12 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35136 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240451AbiE3Psu (ORCPT ); Mon, 30 May 2022 11:48:50 -0400 Received: from metis.ext.pengutronix.de (metis.ext.pengutronix.de [IPv6:2001:67c:670:201:290:27ff:fe1d:cc33]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7D8AECE5D9 for ; Mon, 30 May 2022 08:06:12 -0700 (PDT) Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1nvgy4-0005Kw-Bj; Mon, 30 May 2022 17:06:04 +0200 Received: from [2a0a:edc0:0:1101:1d::28] (helo=dude02.red.stw.pengutronix.de) by drehscheibe.grey.stw.pengutronix.de with esmtp (Exim 4.94.2) (envelope-from ) id 1nvgy4-005TIB-Q7; Mon, 30 May 2022 17:06:03 +0200 Received: from mfe by dude02.red.stw.pengutronix.de with local (Exim 4.94.2) (envelope-from ) id 1nvgy1-005Bdz-DD; Mon, 30 May 2022 17:06:01 +0200 From: Marco Felsch To: robert.foss@linaro.org, laurent.pinchart@ideasonboard.com, jernej.skrabec@gmail.com, jonas@kwiboo.se, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, sam@ravnborg.org, maxime@cerno.tech Cc: dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, kernel@pengutronix.de Subject: [PATCH 2/6] dt-bindings: drm/bridge: ti-sn65dsi83: add documentation for reverse lvds lanes Date: Mon, 30 May 2022 17:05:45 +0200 Message-Id: <20220530150548.1236307-3-m.felsch@pengutronix.de> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20220530150548.1236307-1-m.felsch@pengutronix.de> References: <20220530150548.1236307-1-m.felsch@pengutronix.de> MIME-Version: 1.0 X-SA-Exim-Connect-IP: 2a0a:edc0:0:c01:1d::a2 X-SA-Exim-Mail-From: mfe@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: devicetree@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org The TI converter chip can swap the LVDS data lanes in a pre-defined manner. This can be useful to improve the layout characteristic. Signed-off-by: Marco Felsch --- .../bindings/display/bridge/ti,sn65dsi83.yaml | 58 ++++++++++++++++++- 1 file changed, 56 insertions(+), 2 deletions(-) diff --git a/Documentation/devicetree/bindings/display/bridge/ti,sn65dsi83.yaml b/Documentation/devicetree/bindings/display/bridge/ti,sn65dsi83.yaml index 48a97bb3e2e0..7306b9874dc3 100644 --- a/Documentation/devicetree/bindings/display/bridge/ti,sn65dsi83.yaml +++ b/Documentation/devicetree/bindings/display/bridge/ti,sn65dsi83.yaml @@ -80,13 +80,67 @@ properties: - const: 4 port@2: - $ref: /schemas/graph.yaml#/properties/port + $ref: /schemas/graph.yaml#/$defs/port-base + unevaluatedProperties: false description: Video port for LVDS Channel-A output (panel or bridge). + properties: + endpoint: + $ref: /schemas/media/video-interfaces.yaml# + unevaluatedProperties: false + + properties: + data-lanes: + description: | + Array of physical LVDS data lane indexes in reverse or normal + order. Specify it in reverse order to enable the bridge CHA + reverse ordering. If not specified normal order is used. + items: + oneOf: + # reverse order + - items: + - const: 4 + - const: 3 + - const: 2 + - const: 1 + # normal order + - items: + - const: 1 + - const: 2 + - const: 3 + - const: 4 + port@3: - $ref: /schemas/graph.yaml#/properties/port + $ref: /schemas/graph.yaml#/$defs/port-base + unevaluatedProperties: false description: Video port for LVDS Channel-B output (panel or bridge). + properties: + endpoint: + $ref: /schemas/media/video-interfaces.yaml# + unevaluatedProperties: false + + properties: + data-lanes: + description: | + Array of physical LVDS data lane indexes in reverse or normal + order. Specify it in reverse order to enable the bridge CHB + reverse ordering. If not specified normal order is used. + items: + oneOf: + # reverse order + - items: + - const: 4 + - const: 3 + - const: 2 + - const: 1 + # normal order + - items: + - const: 1 + - const: 2 + - const: 3 + - const: 4 + required: - port@0 - port@2