From patchwork Thu Feb 18 03:41:42 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Liu Ying X-Patchwork-Id: 385121 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 AF8C0C43381 for ; Thu, 18 Feb 2021 03:55:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 92DBD64E45 for ; Thu, 18 Feb 2021 03:55:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230162AbhBRDzf (ORCPT ); Wed, 17 Feb 2021 22:55:35 -0500 Received: from mail-vi1eur05on2068.outbound.protection.outlook.com ([40.107.21.68]:49249 "EHLO EUR05-VI1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S230132AbhBRDzb (ORCPT ); Wed, 17 Feb 2021 22:55:31 -0500 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=bbiMmGKtT+F7y7ypjMDO6boksoTd6piRm6DVnd9vhWBAin1GW/gTjRo1HvZM3eErQbXAr0iKhJiiiesFKybmPvhHKzkeuD8XkydcLwGy5T8BznFJowv/LGy09d3J42FM4quINHcRAR6DzobBKFsq9VVoS0fcr+s2Md7uGjTcExOTu2pa74rvVwF+8K9xHowegza4K/nMDr4bn6TNMxr8gN+oE7mD6cvz/jotnl4F2cq0EGNjp0AvlXpeSFUor++WP3pZF0+Uf9CHvqDRJl9Jr6sFMd/ZSTkof0vQf51uvuFIktIwt1z5OrrSCbkxbrlvZ8o3/KnMHlx5+qK32FHZ5w== 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=ew4t8+IhhnAGQtqzCLPzoJ19nNOe0O5jMtxEDjdKOsc=; b=aOZvotlHp/+Mjb+p0LAOgvvfvZIjj2GNTvgs4kmVlPQbQkT6hWW7ysAeNtjSRxuVxdvCvIxS+x58pxOoJtOltvgyrZcDMDzyGij0pOFeJPYeZdaHd6jEjfm97XBFCvaxCR3zYlmS45UO0k6+/ewDCKuNVK1ahL2QHZZ70+gqSvjpyz1jPejPN+ohMhx2pmFZRW9etrM4WmWybEu0A8muCUdI/QzLAgkWZf6G2SxP0F0H+FgCc3H7dsbTQXOeDxAob1/VjtC8LYzoVRe06oiaPzjorLfHEdGJvWdUP1Cqk1Sw4lhGqp9XZE6S5Ttcb2Xf0dI2047bM7dhbif3kqHKIA== 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=ew4t8+IhhnAGQtqzCLPzoJ19nNOe0O5jMtxEDjdKOsc=; b=Ku2m2DiuxkkiMFcTQ/yHW5nj7XvP1pZ/gce+T/kQ1Uc43odOwbwz2HO1ehMg5mkIRPufS6yn91qxPX9WWBke1/KagYu0ZorXB3LK9OyxtkLEHJH1U5IBZDAAH6Eba6hLatJ05gUfRFxow2JlPwGQchKODB0x+4ULrHs1zQ3gah0= 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 VI1PR0402MB3421.eurprd04.prod.outlook.com (2603:10a6:803:5::12) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3846.27; Thu, 18 Feb 2021 03:54:11 +0000 Received: from VI1PR04MB3983.eurprd04.prod.outlook.com ([fe80::2564:cacc:2da5:52d0]) by VI1PR04MB3983.eurprd04.prod.outlook.com ([fe80::2564:cacc:2da5:52d0%5]) with mapi id 15.20.3868.027; Thu, 18 Feb 2021 03:54:11 +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 v4 01/14] phy: Add LVDS configuration options Date: Thu, 18 Feb 2021 11:41:42 +0800 Message-Id: <1613619715-28785-2-git-send-email-victor.liu@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1613619715-28785-1-git-send-email-victor.liu@nxp.com> References: <1613619715-28785-1-git-send-email-victor.liu@nxp.com> X-Originating-IP: [119.31.174.66] X-ClientProxiedBy: SG2PR06CA0144.apcprd06.prod.outlook.com (2603:1096:1:1f::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 SG2PR06CA0144.apcprd06.prod.outlook.com (2603:1096:1:1f::22) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256) id 15.20.3868.27 via Frontend Transport; Thu, 18 Feb 2021 03:54:05 +0000 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-HT: Tenant X-MS-Office365-Filtering-Correlation-Id: 06c3776e-2fd2-4984-b97c-08d8d3c0d99a X-MS-TrafficTypeDiagnostic: VI1PR0402MB3421: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:7691; X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 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)(396003)(39860400002)(136003)(376002)(366004)(346002)(83380400001)(52116002)(478600001)(86362001)(5660300002)(6666004)(69590400012)(6486002)(8936002)(956004)(186003)(26005)(7416002)(6512007)(2906002)(66946007)(2616005)(8676002)(316002)(66476007)(16526019)(36756003)(66556008)(4326008)(6506007); DIR:OUT; SFP:1101; X-MS-Exchange-AntiSpam-MessageData: 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 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 06c3776e-2fd2-4984-b97c-08d8d3c0d99a X-MS-Exchange-CrossTenant-AuthSource: VI1PR04MB3983.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 18 Feb 2021 03:54:11.3361 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: yqEPqdpINFzAJjk/6x8WvltOx+iy19QyDr+Vuavqd/3fjS9SXWk/osTHNjtgsVkpr7us7HXEWTArPG6T7iwXew== X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI1PR0402MB3421 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org This patch allows LVDS PHYs to be configured through the generic functions and through a custom structure added to the generic union. The parameters added here are based on common LVDS PHY implementation practices. The set of parameters should cover all potential users. Cc: Kishon Vijay Abraham I Cc: Vinod Koul Cc: NXP Linux Team Signed-off-by: Liu Ying Reviewed-by: Robert Foss --- v3->v4: * No change. v2->v3: * No change. v1->v2: * No change. include/linux/phy/phy-lvds.h | 48 ++++++++++++++++++++++++++++++++++++++++++++ include/linux/phy/phy.h | 4 ++++ 2 files changed, 52 insertions(+) create mode 100644 include/linux/phy/phy-lvds.h diff --git a/include/linux/phy/phy-lvds.h b/include/linux/phy/phy-lvds.h new file mode 100644 index 00000000..1b5b9d6 --- /dev/null +++ b/include/linux/phy/phy-lvds.h @@ -0,0 +1,48 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright 2020 NXP + */ + +#ifndef __PHY_LVDS_H_ +#define __PHY_LVDS_H_ + +/** + * struct phy_configure_opts_lvds - LVDS configuration set + * + * This structure is used to represent the configuration state of a + * LVDS phy. + */ +struct phy_configure_opts_lvds { + /** + * @bits_per_lane_and_dclk_cycle: + * + * Number of bits per data lane and differential clock cycle. + */ + unsigned int bits_per_lane_and_dclk_cycle; + + /** + * @differential_clk_rate: + * + * Clock rate, in Hertz, of the LVDS differential clock. + */ + unsigned long differential_clk_rate; + + /** + * @lanes: + * + * Number of active, consecutive, data lanes, starting from + * lane 0, used for the transmissions. + */ + unsigned int lanes; + + /** + * @is_slave: + * + * Boolean, true if the phy is a slave which works together + * with a master phy to support dual link transmission, + * otherwise a regular phy or a master phy. + */ + bool is_slave; +}; + +#endif /* __PHY_LVDS_H_ */ diff --git a/include/linux/phy/phy.h b/include/linux/phy/phy.h index e435bdb..d450b44 100644 --- a/include/linux/phy/phy.h +++ b/include/linux/phy/phy.h @@ -17,6 +17,7 @@ #include #include +#include #include struct phy; @@ -51,10 +52,13 @@ enum phy_mode { * the MIPI_DPHY phy mode. * @dp: Configuration set applicable for phys supporting * the DisplayPort protocol. + * @lvds: Configuration set applicable for phys supporting + * the LVDS phy mode. */ union phy_configure_opts { struct phy_configure_opts_mipi_dphy mipi_dphy; struct phy_configure_opts_dp dp; + struct phy_configure_opts_lvds lvds; }; /**