From patchwork Fri Aug 3 07:23:06 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peter Rosin X-Patchwork-Id: 953062 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=devicetree-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=axentia.se Authentication-Results: ozlabs.org; dkim=fail reason="key not found in DNS" (0-bit key; unprotected) header.d=axentia.se header.i=@axentia.se header.b="OgBC0rS4"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 41hdnK4gSPz9s4Z for ; Fri, 3 Aug 2018 17:23:33 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732189AbeHCJS0 (ORCPT ); Fri, 3 Aug 2018 05:18:26 -0400 Received: from mail-eopbgr80119.outbound.protection.outlook.com ([40.107.8.119]:60424 "EHLO EUR04-VI1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1732559AbeHCJSZ (ORCPT ); Fri, 3 Aug 2018 05:18:25 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=axentia.se; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=o/TJOLCmC7rqZW5t/K+dxC6OLtCA06JCzXJGGsdE9Ts=; b=OgBC0rS4z/Y+JJ04JTLVu5Ak6++uw5uWCahclHCgewJ8+8rs5RA6U5oK+MFw5ztVCSEVtXUnp02x4NgFl5+MmsNtGJ1tpFNEOgN+pPQlEc02sx7nghg0TRZJG26UHyerr1LWzTV1GXAfkwBuOV5iM5Hv5xqhFdwAD/DtHyCZaVQ= Received: from orc.pedanet (85.226.244.23) by HE1PR0201MB2460.eurprd02.prod.outlook.com (10.168.147.8) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.1017.15; Fri, 3 Aug 2018 07:23:21 +0000 From: Peter Rosin To: linux-kernel@vger.kernel.org Cc: Peter Rosin , Boris Brezillon , David Airlie , Rob Herring , Mark Rutland , Nicolas Ferre , Alexandre Belloni , Laurent Pinchart , dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Jyri Sarha , Daniel Vetter , Andrzej Hajda , Russell King - ARM Linux , Jacopo Mondi Subject: [RESEND PATCH v5 1/3] dt-bindings: display: bridge: lvds-transmitter: add ti, ds90c185 Date: Fri, 3 Aug 2018 09:23:06 +0200 Message-Id: <20180803072308.14962-2-peda@axentia.se> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20180803072308.14962-1-peda@axentia.se> References: <20180803072308.14962-1-peda@axentia.se> MIME-Version: 1.0 X-Originating-IP: [85.226.244.23] X-ClientProxiedBy: PR2P264CA0045.FRAP264.PROD.OUTLOOK.COM (52.133.96.161) To HE1PR0201MB2460.eurprd02.prod.outlook.com (10.168.147.8) X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 2243150b-766d-4ab1-a4e5-08d5f911ff30 X-Microsoft-Antispam: BCL:0; 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Reviewed-by: Laurent Pinchart Reviewed-by: Rob Herring Signed-off-by: Peter Rosin --- .../devicetree/bindings/display/bridge/lvds-transmitter.txt | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/display/bridge/lvds-transmitter.txt b/Documentation/devicetree/bindings/display/bridge/lvds-transmitter.txt index fd39ad34c383..50220190c203 100644 --- a/Documentation/devicetree/bindings/display/bridge/lvds-transmitter.txt +++ b/Documentation/devicetree/bindings/display/bridge/lvds-transmitter.txt @@ -22,7 +22,13 @@ among others. Required properties: -- compatible: Must be "lvds-encoder" +- compatible: Must be one or more of the following + - "ti,ds90c185" for the TI DS90C185 FPD-Link Serializer + - "lvds-encoder" for a generic LVDS encoder device + + When compatible with the generic version, nodes must list the + device-specific version corresponding to the device first + followed by the generic version. Required nodes: From patchwork Fri Aug 3 07:23:07 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peter Rosin X-Patchwork-Id: 953064 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=devicetree-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=axentia.se Authentication-Results: ozlabs.org; dkim=fail reason="key not found in DNS" (0-bit key; unprotected) header.d=axentia.se header.i=@axentia.se header.b="VmrOCkUZ"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 41hdnN4Rwkz9s7c for ; Fri, 3 Aug 2018 17:23:36 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732968AbeHCJSa (ORCPT ); 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This can happen e.g. if not all RGB pins are routed on the PCB; the driver has no way of knowing this, and needs to be told explicitly. This is critical for the devices that have the "conflicting output formats" issue (SAM9N12, SAM9X5, SAMA5D3), since the most significant RGB bits move around depending on the selected output mode. For devices that do not have the "conflicting output formats" issue (SAMA5D2, SAMA5D4), this is completely irrelevant. Acked-by: Boris Brezillon Reviewed-by: Rob Herring Signed-off-by: Peter Rosin Reviewed-by: Jacopo Mondi --- .../devicetree/bindings/display/atmel/hlcdc-dc.txt | 26 ++++++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/Documentation/devicetree/bindings/display/atmel/hlcdc-dc.txt b/Documentation/devicetree/bindings/display/atmel/hlcdc-dc.txt index 82f2acb3d374..9de434a8f523 100644 --- a/Documentation/devicetree/bindings/display/atmel/hlcdc-dc.txt +++ b/Documentation/devicetree/bindings/display/atmel/hlcdc-dc.txt @@ -15,6 +15,14 @@ Required children nodes: to external devices using the OF graph reprensentation (see ../graph.txt). At least one port node is required. +Optional properties in grandchild nodes: + Any endpoint grandchild node may specify a desired video interface + according to ../../media/video-interfaces.txt, specifically + - bus-type: must be <0>. + - bus-width: recognized values are <12>, <16>, <18> and <24>, and + override any output mode selection heuristic, forcing "rgb444", + "rgb565", "rgb666" and "rgb888" respectively. + Example: hlcdc: hlcdc@f0030000 { @@ -50,3 +58,21 @@ Example: #pwm-cells = <3>; }; }; + + +Example 2: With a video interface override to force rgb565; as above +but with these changes/additions: + + &hlcdc { + hlcdc-display-controller { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_lcd_base &pinctrl_lcd_rgb565>; + + port@0 { + hlcdc_panel_output: endpoint@0 { + bus-type = <0>; + bus-width = <16>; + }; + }; + }; + };