From patchwork Thu Dec 17 09:59:30 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Liu Ying X-Patchwork-Id: 345651 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=-18.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, MSGID_FROM_MTA_HEADER, SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 6F87CC2BB40 for ; Thu, 17 Dec 2020 10:12:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 37A6923899 for ; Thu, 17 Dec 2020 10:12:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727846AbgLQKLr (ORCPT ); Thu, 17 Dec 2020 05:11:47 -0500 Received: from mail-eopbgr150057.outbound.protection.outlook.com ([40.107.15.57]:9948 "EHLO EUR01-DB5-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726488AbgLQKLq (ORCPT ); Thu, 17 Dec 2020 05:11:46 -0500 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=fmTO9mcBCQOvre0pJ6C/yXuRetxoFINIzLMjm9kmZtm1yV3PjjFeZVqGOBn9HE5+xh16gwtEEwTPdu+U0cSaXR+GvNe+xk8rG3izIlGIZreHorMWkwe7ZnfkeVLHPiGxWHKA246JChj2qBNcsWMimCXMHQ44MnEAoCU5lntNYuTnBqKHUbDvDvvDJ/aVhJatQF2sl3CqKAhGsFQgW0PeWtFQI9kLyvM4gnzm9w64n1RWOayZIMF/CUtK70FMgqM4oT3zd6Adx2r7UIyhHTpUsHuhiBHYBM2eN7A8cUy92vAsVYEd1IGcq9jZS8rJI+14W0R64MtWWiGcVte3rUjB+g== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=TSx9C0dzxJg1RYa6mQThakfbqGPfToINqV2K/Wu2jHI=; b=KNrpgn1u+ALT+zs2Ce9XxRRjEtdQCDJfbODPswfDJObEOFDKFZFHkzyQGpBCJ0XMMfizjjrhQk/b57eOlwaXlhNz/9V2CMJpU3ej4XRd10KdTDKyadztNB2qQ5HruQTI9MwfXKYbv+tHG8pMB8UZjdOI0FJ48uo5+sZiy4Snn6018i8xBCnWfAUck2HjO8ktYKOKTEeLXJBZiIJemfXMhf8Tjw/0DhDFAQCm73aiB2404Aeglci434dfUUJtfRWRnKL0lx6BOBYm4F2CdMon+j1J0J4yAnTFsr5UjqvYg1noMW8yODi7Se8Afo70cp46HXJFETOhzMwGTVKYQECG9A== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=nxp.com; dmarc=pass action=none header.from=nxp.com; dkim=pass header.d=nxp.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nxp.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=TSx9C0dzxJg1RYa6mQThakfbqGPfToINqV2K/Wu2jHI=; b=Ad81XO41lYHOAA3shyH3YRDYhIO5BWnYueUnH042Lj0lJXR7JVYYR0Fd2Flyw/ig8KiA9jz8QwMeZTOQYuJmuSJxnYlv2JzRjXhny8J+eQ106ITg6IwjrUjevRugJMlJnKbUgOPkIy0SNR6efnAROsr6OOB9U1dhZvqv4RjhgTQ= Authentication-Results: lists.freedesktop.org; dkim=none (message not signed) header.d=none; lists.freedesktop.org; dmarc=none action=none header.from=nxp.com; Received: from VI1PR04MB3983.eurprd04.prod.outlook.com (2603:10a6:803:4c::16) by VE1PR04MB7312.eurprd04.prod.outlook.com (2603:10a6:800:1a5::6) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3654.14; Thu, 17 Dec 2020 10:09:28 +0000 Received: from VI1PR04MB3983.eurprd04.prod.outlook.com ([fe80::dcb7:6117:3def:2685]) by VI1PR04MB3983.eurprd04.prod.outlook.com ([fe80::dcb7:6117:3def:2685%7]) with mapi id 15.20.3654.024; Thu, 17 Dec 2020 10:09:28 +0000 From: Liu Ying To: dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org Cc: airlied@linux.ie, daniel@ffwll.ch, robh+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, mchehab@kernel.org, a.hajda@samsung.com, narmstrong@baylibre.com, Laurent.pinchart@ideasonboard.com, jonas@kwiboo.se, jernej.skrabec@siol.net, kishon@ti.com, vkoul@kernel.org Subject: [PATCH 11/14] dt-bindings: display: bridge: Add i.MX8qm/qxp LVDS display bridge binding Date: Thu, 17 Dec 2020 17:59:30 +0800 Message-Id: <1608199173-28760-12-git-send-email-victor.liu@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1608199173-28760-1-git-send-email-victor.liu@nxp.com> References: <1608199173-28760-1-git-send-email-victor.liu@nxp.com> X-Originating-IP: [119.31.174.66] X-ClientProxiedBy: SG2P153CA0012.APCP153.PROD.OUTLOOK.COM (2603:1096::22) To VI1PR04MB3983.eurprd04.prod.outlook.com (2603:10a6:803:4c::16) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from localhost.localdomain (119.31.174.66) by SG2P153CA0012.APCP153.PROD.OUTLOOK.COM (2603:1096::22) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256) id 15.20.3700.2 via Frontend Transport; Thu, 17 Dec 2020 10:09:22 +0000 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-HT: Tenant X-MS-Office365-Filtering-Correlation-Id: 91c9bd8b-7da1-40e3-0fe5-08d8a273d6bb X-MS-TrafficTypeDiagnostic: VE1PR04MB7312: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:6430; X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: L+UXiscYb2vdoovAiG657gK4cg7SwXvLaIXVO6djwAO9+CVCGXGGx38UIFqECiGQroyMtehKhUERHzGEVJoOx3sIuZWpukwvaIJJ1qhlM8nthxh14et99rVD31UDtT/OtDZeM5yA1KlCFjj3PCQJHV5LC3kGImLxnQznG1dUB0QRdBxpe3spxlyjLXFoI46MuEvOYxUR8ag4ZCvBQShbosy68ye0EYaXt4GS3UtifFnfrS0ccgVO1SMtpNRMyMPQr5VjUSIlWHcBkAh1MK1ZQnGSjkcSF8tck/mokC0H6kRvQa4XU8/axl1zsrZvpUAF8bsFP+fuMnXOf+hbvT9jmEsKMu9u2g+sCowP2+Mq3s1kZRXvn4Fm6ny2SpesNRVEWl/nVH8G9kbVBIsePMa1iB1aAO2qCy5Nl9dFiQArulxv7pjqwEffv8a6kkppRbCqK6aAMMqxn2iw+Zus1GD3fA== X-Forefront-Antispam-Report: CIP:255.255.255.255; CTRY:; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:VI1PR04MB3983.eurprd04.prod.outlook.com; PTR:; CAT:NONE; SFS:(4636009)(366004)(39860400002)(376002)(396003)(136003)(346002)(6666004)(316002)(86362001)(6486002)(2906002)(8676002)(6506007)(4326008)(52116002)(26005)(16526019)(8936002)(7416002)(478600001)(2616005)(186003)(956004)(83380400001)(966005)(66946007)(5660300002)(6512007)(69590400008)(66476007)(36756003)(66556008); DIR:OUT; SFP:1101; X-MS-Exchange-AntiSpam-MessageData: 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 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-AuthSource: VI1PR04MB3983.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 17 Dec 2020 10:09:27.8548 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-Network-Message-Id: 91c9bd8b-7da1-40e3-0fe5-08d8a273d6bb X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: Usvlaie06iGk2CUi6DtQqxFQ95uSRbyMy/E/oqGa3x5YywAAaTkVCdDfL7F89l5Ph/ef40AZHW7hBpRBVixFAA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: VE1PR04MB7312 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org This patch adds bindings for i.MX8qm/qxp LVDS display bridge(LDB). Signed-off-by: Liu Ying --- .../bindings/display/bridge/fsl,imx8qxp-ldb.yaml | 185 +++++++++++++++++++++ 1 file changed, 185 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/bridge/fsl,imx8qxp-ldb.yaml diff --git a/Documentation/devicetree/bindings/display/bridge/fsl,imx8qxp-ldb.yaml b/Documentation/devicetree/bindings/display/bridge/fsl,imx8qxp-ldb.yaml new file mode 100644 index 00000000..4e5ff6f --- /dev/null +++ b/Documentation/devicetree/bindings/display/bridge/fsl,imx8qxp-ldb.yaml @@ -0,0 +1,185 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/bridge/fsl,imx8qxp-ldb.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Freescale i.MX8qm/qxp LVDS Display Bridge + +maintainers: + - Liu Ying + +description: | + The Freescale i.MX8qm/qxp LVDS Display Bridge(LDB) has two channels. + + For i.MX8qxp LDB, each channel supports up to 24bpp parallel input color + format and can map the input to VESA or JEIDA standards. The two channels + cannot be used simultaneously, that is to say, the user should pick one of + them to use. Two LDB channels from two LDB instances can work together in + LDB split mode to support a dual link LVDS display. The channel indexes + have to be different. Channel0 outputs odd pixels and channel1 outputs + even pixels. + + For i.MX8qm LDB, each channel additionally supports up to 30bpp parallel + input color format. The two channels can be used simultaneously, either + in dual mode or split mode. In dual mode, the two channels output identical + data. In split mode, channel0 outputs odd pixels and channel1 outputs even + pixels. + +properties: + compatible: + enum: + - fsl,imx8qm-ldb + - fsl,imx8qxp-ldb + + "#address-cells": + const: 1 + + "#size-cells": + const: 0 + + clocks: + items: + - description: pixel clock + - description: bypass clock + + clock-names: + items: + - const: pixel + - const: bypass + + power-domains: + maxItems: 1 + + fsl,syscon: + $ref: /schemas/types.yaml#/definitions/phandle + description: | + A phandle which points to Control and Status Registers(CSR) module. + + fsl,companion-ldb: + $ref: /schemas/types.yaml#/definitions/phandle + description: | + A phandle which points to companion LDB which is used in LDB split mode. + +patternProperties: + "^channel@[0-1]$": + type: object + description: Represents a channel of LDB. + + properties: + "#address-cells": + const: 1 + + "#size-cells": + const: 0 + + reg: + description: The channel index. + enum: [ 0, 1 ] + + phys: + description: A phandle to the phy module representing the LVDS PHY. + maxItems: 1 + + phy-names: + const: lvds_phy + + port@0: + type: object + description: Input port of the channel. + + properties: + reg: + const: 0 + + required: + - reg + + port@1: + type: object + description: Output port of the channel. + + properties: + reg: + const: 1 + + required: + - reg + + required: + - "#address-cells" + - "#size-cells" + - reg + - phys + - phy-names + + additionalProperties: false + +required: + - compatible + - "#address-cells" + - "#size-cells" + - clocks + - clock-names + - power-domains + - fsl,syscon + - channel@0 + - channel@1 + +allOf: + - if: + properties: + compatible: + contains: + const: fsl,imx8qm-ldb + then: + properties: + fsl,companion-ldb: false + +additionalProperties: false + +examples: + - | + #include + ldb { + #address-cells = <1>; + #size-cells = <0>; + compatible = "fsl,imx8qxp-ldb"; + clocks = <&clk IMX_SC_R_LVDS_0 IMX_SC_PM_CLK_MISC2>, + <&clk IMX_SC_R_LVDS_0 IMX_SC_PM_CLK_BYPASS>; + clock-names = "pixel", "bypass"; + power-domains = <&pd IMX_SC_R_LVDS_0>; + fsl,syscon = <&mipi_lvds_0_csr>; + + channel@0 { + #address-cells = <1>; + #size-cells = <0>; + reg = <0>; + phys = <&mipi_lvds_0_phy>; + phy-names = "lvds_phy"; + + port@0 { + reg = <0>; + + mipi_lvds_0_ldb_ch0_mipi_lvds_0_pxl2dpi: endpoint { + remote-endpoint = <&mipi_lvds_0_pxl2dpi_mipi_lvds_0_ldb_ch0>; + }; + }; + }; + + channel@1 { + #address-cells = <1>; + #size-cells = <0>; + reg = <1>; + phys = <&mipi_lvds_0_phy>; + phy-names = "lvds_phy"; + + port@0 { + reg = <0>; + + mipi_lvds_0_ldb_ch1_mipi_lvds_0_pxl2dpi: endpoint { + remote-endpoint = <&mipi_lvds_0_pxl2dpi_mipi_lvds_0_ldb_ch1>; + }; + }; + }; + };