From patchwork Wed Jan 27 08:51:15 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Liu Ying X-Patchwork-Id: 371946 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 0CDEDC433E6 for ; Wed, 27 Jan 2021 09:35:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BDBFE20773 for ; Wed, 27 Jan 2021 09:35:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235184AbhA0JfG (ORCPT ); Wed, 27 Jan 2021 04:35:06 -0500 Received: from mail-vi1eur05on2051.outbound.protection.outlook.com ([40.107.21.51]:43201 "EHLO EUR05-VI1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S233857AbhA0JDt (ORCPT ); Wed, 27 Jan 2021 04:03:49 -0500 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=aJhJ0IZ3zBuoYZJWHiysQsMJILPbSQN3BXkbEDT//GxhZVGx3TAlvHNW2TdP8wFHp2v0AOKDV6Jx2cxmit1/UY1sICy1sqefeIdkXShc0l6W8OF53MRakwhTJfVMGDvyVoeOMl5FoxOqyWUAnEt3ptcNq9B/MoIPUEc3DGIEMwfgoM6FNZEimliqc5tL7I19ZrlblqAyxxOKK4qlXzIzamaSjYL5nkB5glCeMZbwiKPwvSWIfMaItByUCQYBLodDyaDJ8jWXyacQ/Uz0AhiWxvZBcr+sgwyZJT2+1KlE0XfDssoj0xTaJ9xWUiXixIuQ+pT3USBlj5l1Y3BcryqlxA== 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=rC86KoH3wlxsXwcy+lYW7cA6YGyblupeW24O0ThV7Y0=; b=HuWNtUglPUxJrmnlUv3mVXZL/M0fO6VYqK4/aovwWI4bimljo6xG4Fg3dXSTTXso0S7YjcLZ9d60dtnxoOhYb2aNfekZYKYo90rAMU+C0WRdq+sFVeTmMdsHuCyvGnCifbjTpGbWl/b9NHsHdMcGmeF9hJCYkTBJRFIOUE08V9VVamz2DbsXZPNPdR401Q8W2HP2vgY8xV/r47GJ0OB4kU6rjR0/ESTx/th00kGAU066LTDyv8p1glhO+WWxk6zBzx+v8rYhjqvl5bIDeTTfQbr39rsfnTcAyOKArzstHoagD8wsvAoyBG7P3mhM4MdtdXJ+0kGDPXYD5vu5LHEPGQ== 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=rC86KoH3wlxsXwcy+lYW7cA6YGyblupeW24O0ThV7Y0=; b=hsUxufLBFI1sJx/inSpTTnw75VRAyg5Wso0XdmBFPyWwqGiioDRFjvqTvBhklGMXyQI4at/WuM9B1/3ucpPZ7cNkNKN0Ru7pnr+OVEt9cThvBPUEqySO6VwdC31wVbuukwDrCXhp4lKIZx6pIe9pKe0u6mfpgwiX2VdEpWbzd4M= 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 VI1PR04MB2975.eurprd04.prod.outlook.com (2603:10a6:802:9::17) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3784.13; Wed, 27 Jan 2021 09:02:23 +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 15.20.3805.016; Wed, 27 Jan 2021 09:02:23 +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 v3 01/14] phy: Add LVDS configuration options Date: Wed, 27 Jan 2021 16:51:15 +0800 Message-Id: <1611737488-2791-2-git-send-email-victor.liu@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1611737488-2791-1-git-send-email-victor.liu@nxp.com> References: <1611737488-2791-1-git-send-email-victor.liu@nxp.com> X-Originating-IP: [119.31.174.66] X-ClientProxiedBy: SG2PR02CA0049.apcprd02.prod.outlook.com (2603:1096:4:54::13) 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 SG2PR02CA0049.apcprd02.prod.outlook.com (2603:1096:4:54::13) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256) id 15.20.3805.16 via Frontend Transport; Wed, 27 Jan 2021 09:02:18 +0000 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-HT: Tenant X-MS-Office365-Filtering-Correlation-Id: a76f8205-872a-4940-497e-08d8c2a242d7 X-MS-TrafficTypeDiagnostic: VI1PR04MB2975: 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)(376002)(366004)(346002)(39860400002)(136003)(396003)(8936002)(2616005)(6486002)(66946007)(186003)(6666004)(956004)(7416002)(4326008)(36756003)(69590400011)(6506007)(8676002)(316002)(5660300002)(16526019)(86362001)(478600001)(6512007)(2906002)(52116002)(83380400001)(66556008)(26005)(66476007); DIR:OUT; SFP:1101; X-MS-Exchange-AntiSpam-MessageData: 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 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: a76f8205-872a-4940-497e-08d8c2a242d7 X-MS-Exchange-CrossTenant-AuthSource: VI1PR04MB3983.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 27 Jan 2021 09:02:23.7529 (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: h7ZCv5s2yqOoNi+gO1SZUaSKzw1taC2/tYv14LF2nu3StlqKKCafJw5ESCwlKvzgnK5ewyZYSMGqKw1t/ZUwiQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI1PR04MB2975 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 --- 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; }; /**