From patchwork Thu Apr 19 16:27:46 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peter Rosin X-Patchwork-Id: 10351239 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 D0F0C6053C for ; Thu, 19 Apr 2018 16:30:45 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id BE94228908 for ; Thu, 19 Apr 2018 16:30:45 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id B26CE28ADD; Thu, 19 Apr 2018 16:30:45 +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=-2.9 required=2.0 tests=BAD_ENC_HEADER,BAYES_00, DKIM_SIGNED, DKIM_VALID, MAILING_LIST_MULTI autolearn=unavailable version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 341D228908 for ; Thu, 19 Apr 2018 16:30:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=IGPTyM8iRSR3lEQcEvGKBJEoZRz7/6daTCqDM06Gals=; b=IH76VsXEGZSeG+ sPUJAS4BtHzqfrZTJB1OVqBn/nIC5/kUw/hl1DzF+vRhPuoSPD8y0yUSYcv6d5Swxrxpqa5rLLrRe kSuw4jyNfFTUlnSZs/k566Hia8b+0lQavUAqApt/LAjI1gPii3RF387SmWCLy0fgwHjV4r8YiF70T H3mmNAeMd5itqeKny38QVGD8nqlxr7NWQ43hiZyKAPngLa4jYbHqgUZdKI4OUAZlhP7yeJxfb+e09 ZIM2T/CALkNB+3LhHjfjCEAfnDnz8o9NanCHC8ceO/te8qTmWPhNZpJwFdVXX5Bdugy1OsBi7aDRd 0JMXhaTuJ7ngLzMmnTXg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1f9CS9-0006hS-N3; Thu, 19 Apr 2018 16:30:33 +0000 Received: from mail-he1eur01on0095.outbound.protection.outlook.com ([104.47.0.95] helo=EUR01-HE1-obe.outbound.protection.outlook.com) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1f9CQ7-0004am-UV for linux-arm-kernel@lists.infradead.org; Thu, 19 Apr 2018 16:28:29 +0000 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; bh=26ytUgxNB2ixdAU3oOu/KP2gtx4owHTa4cAyYBsnxSc=; b=RvtY/lNNL1ApNAIyo088U93pvi+IHTw/1+mzhEWvEyrVyqC9uh8whT2Musa2CSGNKQ7HYiXNtpMw9BEX1Z+vXfVu8KG9HfkdIrUgkKehDnKfmhT3YXTzk3kHLt49DJQ5iTGU70fPAo7BwF0/do0l4xsa+gRwi+KL5jEFS6rKiQ4= Authentication-Results: vger.kernel.org; dkim=none (message not signed) header.d=none; vger.kernel.org; dmarc=none action=none header.from=axentia.se; Received: from orc.pedanet (85.226.244.23) by VI1PR0202MB2784.eurprd02.prod.outlook.com (2603:10a6:800:db::9) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P256) id 15.20.696.13; Thu, 19 Apr 2018 16:28:19 +0000 From: Peter Rosin To: linux-kernel@vger.kernel.org Subject: [PATCH v3 2/7] dt-bindings: display: atmel: optional video-interface of endpoints Date: Thu, 19 Apr 2018 18:27:46 +0200 Message-Id: <20180419162751.25223-3-peda@axentia.se> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20180419162751.25223-1-peda@axentia.se> References: <20180419162751.25223-1-peda@axentia.se> MIME-Version: 1.0 X-Originating-IP: [85.226.244.23] X-ClientProxiedBy: HE1PR0102CA0072.eurprd01.prod.exchangelabs.com (2603:10a6:7:7d::49) To VI1PR0202MB2784.eurprd02.prod.outlook.com (2603:10a6:800:db::9) X-MS-PublicTrafficType: Email X-Microsoft-Antispam: UriScan:; BCL:0; PCL:0; RULEID:(7020095)(4652020)(7021125)(5600026)(4534165)(7022125)(7094020)(4603075)(4627221)(201702281549075)(7048125)(7027125)(7023125)(2017052603328)(7153060)(7193020); SRVR:VI1PR0202MB2784; X-Microsoft-Exchange-Diagnostics: 1; VI1PR0202MB2784; 3:2YYH3MfAcqCo4G+f2uLW4kppoEdiG5sq8Mg8ZjsSznUUZXbhULzCR5ZCRGqQJE12ow1PiCUmwJAP4S02HYvKDVcZO47eJCesGXyyQHvTlhD28aRstfHqjhp717sSkofjYDK80uE034OXmg/SuSPUR5xdY4kGnJGMIQ9VFx9XMsPtuVqx5W7qQjXLPYVnHGg7hp2a35u20UVOBk9SmPUsW0FLOxvfef2ldpItC5uPCQE+vLlES+djLvy/u+337JXY; 25:8I3QJcVGlM9qp7qOASUDU6k5padDo9Lvd9SUiTrObNlc0CwR+HdabWqsWlAV01GdhFVp+OjygMZYh6iDqd9I+MkAcq277527cxqsFd80knepGD6IkXSQh2VEgsSPwCjBRo66QsSka0HheH1h0ttI+RxyGBPpULHmYPL/h8KewuPtM7tZKmoDl+YNM7U5UcsJc1eyQVZ+CG32Nlwi2/f+NsyLaT1zdQDDgeDPmB7BPEuX0YKEUuST2+7Ph1NuH9q3yDwyGi9vEqAPtF5ioMjThLtA/stEqTvvgkvJtobcB1PId+HQ5OPHx2CVXXjalrgOytq0+Heb/POhgga+vP2VMQ==; 31:ZmcpW7DUzNXKvgHGIoTJ7NaQmp9ohZSXSujAYSXD0Pd4F3Xm4N/SkpfJXzzrTzzqITv2qsjihbgvTIptoXr9DxCgQk5KR9YARdIlzHSGvWEk6rxiSDvN7XRS/p1dyGBpgixXY2UK3Al5YpjLi2Z2OLHj88Su56gjhD8QSYAAj69Ra82Wq2iw9vr9Boh7iq6t9G97lTDynix3QMghKRp2mnbvsU/0ZoEsXlCH9yREa5M= X-MS-TrafficTypeDiagnostic: VI1PR0202MB2784: X-Microsoft-Antispam-PRVS: X-Exchange-Antispam-Report-Test: UriScan:; X-Exchange-Antispam-Report-CFA-Test: BCL:0; PCL:0; RULEID:(6040522)(2401047)(8121501046)(5005006)(93006095)(93001095)(3231232)(944501327)(52105095)(10201501046)(3002001)(6041310)(20161123558120)(20161123562045)(2016111802025)(20161123564045)(20161123560045)(6072148)(6043046)(201708071742011); SRVR:VI1PR0202MB2784; BCL:0; PCL:0; RULEID:; SRVR:VI1PR0202MB2784; X-Microsoft-Exchange-Diagnostics: 1; VI1PR0202MB2784; 4:Z09Kyl5CdTz+tI2VmttUMcVi/7CNSHgkLoMojiRrKsKncIS/+nUWX2vS+oqGoC3TPSOstSxVxwm/ippw7FA2pcKZ7qjmIJ8hWVjydAI/kLTlIOrxs7LyFTFCfagKK/WGtidhpbme+prZ8JZNBYn1e/LlzJNLNWF9KSs3mqlJCfISZGQ8b0hb8Gf4tER5qBEV8538sNm2XIgJjhr4TZcieaXgzPLG8G3dh18P/4sn9hJpI7MJnoaXJrspMKmZuC6WlSZMR/+WHm4eUTnfcSIapA== X-Forefront-PRVS: 0647963F84 X-Forefront-Antispam-Report: SFV:NSPM; SFS:(10019020)(346002)(366004)(26005)(86362001)(50466002)(50226002)(8936002)(6506007)(386003)(76176011)(47776003)(1076002)(2351001)(66066001)(6116002)(3846002)(2361001)(16526019)(305945005)(186003)(74482002)(11346002)(956004)(2906002)(446003)(6512007)(52116002)(53936002)(6916009)(6486002)(476003)(508600001)(8676002)(4326008)(2616005)(36756003)(7416002)(7736002)(6666003)(48376002)(16586007)(5660300001)(54906003)(25786009)(81166006)(42262002); DIR:OUT; SFP:1102; SCL:1; SRVR:VI1PR0202MB2784; H:orc.pedanet; FPR:; SPF:None; LANG:en; MLV:sfv; X-Microsoft-Exchange-Diagnostics: =?us-ascii?Q?1; VI1PR0202MB2784; 23:fI8rtvh+wtBF+vcywgMwXCrNObPwZQRP/00vBfu?= =?us-ascii?Q?SlcjQC6GbpFGBSbjont0sG1DSyDmRPXCDFKQNzKKXZ0rG2iY0jebVQFgm8zw?= =?us-ascii?Q?uHq8RPQuC2HzqypoAStXbDPludIVhpV61NNqpOZHDbRQ70BZLLcKKk4xEgso?= =?us-ascii?Q?Dbo43D1F7GiYRNy4IE/d1GSpkuQEL7cXou0Ve3PNDE2kav31HQG5idICzPlg?= =?us-ascii?Q?87NW9FQnW+dmSEzmU7ONNGHfRD08tOX5zmNhT1O1Rpk/SbRYFx7h67Im3m8M?= =?us-ascii?Q?slSAzJb7aI0TIubwY/pAF/nVu/jBylkX7LQKmnOHxdBgffTVz8SRAitMf8PN?= =?us-ascii?Q?jKBDTmWH8MBrO3bofECHrDf+nfmw3f3ydCpUEunFpT7dFWlUIQiO0V5ncamK?= =?us-ascii?Q?iLjJvKZxOzRvwQLxemDal+H8iixJsy1X4YWYWzy8reS7g6y5/lVQYa+jND+A?= =?us-ascii?Q?RHsvWHkEq1kp02X90OINBjRiziuAfj2S1SOtS/IWc2MLyVklDI1J1L9VlUPd?= =?us-ascii?Q?/q3zPuTI+xhltcx5w3Tgl+47z5OFOOPpNXKbhSiHOg4UXRGZXKSNpBEXF+pg?= =?us-ascii?Q?WQW7z5ZK8tCLb+N1Lj5ZFh9QSDAdPjiGcr5Uq5uTCU8p0jBOcV8PUHzbpthD?= =?us-ascii?Q?PSCX5sTisBXjMuO0C8ssSs0NLSXaM4do1Dtey1AcdUpVDvE75TggtnOMlqvq?= =?us-ascii?Q?CdRSdvaMtnVskR6b5enF4gMY4oRENM6IwYNMxq8q2krTrEUsN8u3wHW51DK1?= =?us-ascii?Q?g3vZaVLQSHAVazQkRUJ12eVuiiK/oTj3JoOUp+0uxfelcqqvpjubFO+C5Mwe?= =?us-ascii?Q?rQS55lPTt9Z6CFpsbQeeb+s4hBwXiCfC4ldx9f89Hd8wIbUKlGaPkZikBKOk?= =?us-ascii?Q?UqXP0Tcref2x2I9UrRiAc4FIptVwTaT/sRu8+RHPpDV4GFPhpfwzzQdMf52X?= =?us-ascii?Q?tXq/CoY0HtKQXNacBbLrRsPB5HItE3871/c2G/WbyuFTsJrGapcxitJxDP0Y?= =?us-ascii?Q?jfDyl8Fdy97ccWIQ4jrsWDrCkB3ptqCeKs8c3QSBoYzSb/A=3D=3D?= X-Microsoft-Antispam-Message-Info: ykFyPalt8KjMzSq5scdtFTuPp8dWLvN1GXnlu/Jj3yKuzHa/7ghZJFAHaJpOTJh91VQ/qkaZbiZvmzJJS/bHfvnX4Xb0ldHOZHAwhCy1p+7uDqLUsrDwgIGFzC0lKvEDeu09eLVkSA9Ci1He+UnZN7S8q2bKNe+RTWcwp6s4HIl0hz5rTcx/WpvUG8ZbaTdv X-Microsoft-Exchange-Diagnostics: 1; VI1PR0202MB2784; 6:L6cfOuX4Nv88js8S75i6mxGn2toC/gb+srp7Mhm8enkw2+A82LG2GTmqmm/IKpdS2feX5MfYJF2WZ37OSWcf4muePLarf3uxkzYBlirrXLCtPDQiDnlPlBjjpNQuNmrU+/ozBo8eD/hZGPDWf4DMs65IcufCaoNNwlZCC14ZbdC9Lz85+kQe+Me/wju/oJCtbvcU3LdoEk9F5k6bLsm3beNlXX0gf3fXiQR+rO5IYLVfktWx4c0pG0OnzxWj2t3AU3KPS6c3IA/2qt4wdw93HoqVZIolUr89gHYyIYJNOCsf0JVzntoYgtyh4/G6irw2ccERXLximxANm5Ikf2FWbbCfwFxJqMICOc8uLJQg7X80laNtZoZyTrrlkCCWiER0WE1sRkra1urE4juQU0kZxk1ueaYHlU1/cXZ8Uho6qV9UCcwehH6+4sLrHk7PIEoy7/SkcZXu+VWB2eIeSpa3ag==; 5:/eeYh2F6jNNFLpyQTzByJILbsdgMsSsrxRyNX4kbckbgQ7cOLlvz34wHTxDcCCpeDM4EDHW5h+x5O6cq8h2ZuEkL0/hmXNWmH7DFMg8n5v2G59TAVMvk6XpTCsxEjqxnuKyecloYeEX2N6d5MOQZS6T3ez7N6BftyDyJocxClSQ=; 24:9OXFP+N+/wGFiOEd97LfNpIkYX6JhGbeMSV2TSn/TE9DDPat0WIKT79NRf811TLnrFB6NxPrKhWEWCTD7nMdO7UcXxI/whksHy6gU0vdbXg= SpamDiagnosticOutput: 1:99 SpamDiagnosticMetadata: NSPM X-Microsoft-Exchange-Diagnostics: 1; VI1PR0202MB2784; 7:aS0x5gYDYrzpRZouRyjM3zOr99Ju9xEFRzKDeA9dO9cOd/tqAC5Y2FWHyPgaiuIT8/PvwBrBqfyWMtA8L19+zyK+h9Yz19hdoT/Hg6QA0Gzp3zOkpFo/bPItAUEhWyiusP0c0vxnkA6CH4wbQDEQyD10LIuJQhH9+NaZYOgl5PGVIM3tGE3hqoefyIwfCAHBw7hrhMHZPQr8HbaMR2NX35snfr9lNjNBNor99TUjVxVvfhrhq3NYNKQ60h0XQXqV X-MS-Office365-Filtering-Correlation-Id: 7e9c2b26-7541-4c73-568c-08d5a612905f X-OriginatorOrg: axentia.se X-MS-Exchange-CrossTenant-OriginalArrivalTime: 19 Apr 2018 16:28:19.2863 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 7e9c2b26-7541-4c73-568c-08d5a612905f X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 4ee68585-03e1-4785-942a-df9c1871a234 X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI1PR0202MB2784 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20180419_092828_038128_81DA22A2 X-CRM114-Status: GOOD ( 12.61 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , Boris Brezillon , Alexandre Belloni , Jacopo Mondi , devicetree@vger.kernel.org, David Airlie , Gustavo Padovan , dri-devel@lists.freedesktop.org, Russell King , Rob Herring , Sean Paul , Laurent Pinchart , Daniel Vetter , Peter Rosin , linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP With bus-type/bus-width properties in the endpoint nodes, the video- interface of the connection can be specified for cases where the heuristic fails to select the correct output mode. 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. Signed-off-by: Peter Rosin --- .../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>; + }; + }; + }; + };