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dkim=none (message not signed) header.d=none;vger.kernel.org; dmarc=none action=none header.from=nxp.com; Received: from VI1PR04MB3983.eurprd04.prod.outlook.com (2603:10a6:803:4c::16) by VI1PR0402MB3952.eurprd04.prod.outlook.com (2603:10a6:803:1c::10) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3654.12; Fri, 11 Dec 2020 01:54:54 +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 15.20.3632.023; Fri, 11 Dec 2020 01:54:54 +0000 From: Liu Ying To: linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v3 2/5] phy: Add LVDS configuration options Date: Fri, 11 Dec 2020 09:46:19 +0800 Message-Id: <1607651182-12307-3-git-send-email-victor.liu@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1607651182-12307-1-git-send-email-victor.liu@nxp.com> References: <1607651182-12307-1-git-send-email-victor.liu@nxp.com> X-Originating-IP: [119.31.174.66] X-ClientProxiedBy: SG2P153CA0042.APCP153.PROD.OUTLOOK.COM (2603:1096:4:c6::11) 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 SG2P153CA0042.APCP153.PROD.OUTLOOK.COM (2603:1096:4:c6::11) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256) id 15.20.3676.5 via Frontend Transport; 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DIR:OUT; SFP:1101; X-MS-Exchange-AntiSpam-MessageData: hpYX5s26RqPZYxgXd94mUSNCABPqkWJcNnhHhDO5XnavFeZChMQeFp22T7/b0aHI6y4bkjzRo8FGfCcl5QeTZdNwEFQcmwvqvT9Ptbh6s6iefewNO0spEi4R0bOgb5FQyl/XcmWuYlLAt5DvFvkxj7HhwAEML3Iy+agKrNAN2goH8rK3E+JNvbkdm4jNBHkipcttwGKkwIojBkebrkJuP3I+GNbDLZBPKaefeJ63m3fKGIFwx37thP9T/hEG3bBxjG7wz9bLOF7yBBpNbL68rmRzohgtzmW793krR84r/68UZAebapgfWrHi2bX1pPiPDayh2SZmNnmKD0aE2Vl4+JsD8rzTkCkoArwe0V38DliNQHvfhsuFRTgrKxRY9MLF4CGAbH43BDiS3tci2Acbn33QA7KHyuAEutqquZzJBb6FoFwczTC5q3ihg1CzOE2rSRLVwqFZx9THwePZEX/Cx7ksV85SA6A/Kd3k5/Bsx2nUwb2ENmBk9+itEPn68YGfdd+IgOkpsrfyETfMLGP6r1SHj4EP41AF82Pol8Jrl6GW6epURH3LTBXgCYoG4eDSZI3HE9TEAQBz5hBi7fuxFtytpmd9dkLwwa9whUJbZIxDkrt9HgsUqleenldw7NafLyzMOfFLH4Dv0P0TMZjqQ7lvLWePLhqDFqPctcgm1ddLicI4YkKgBgtMXKcqDHj1MesXLX8lLf/PBbPSZSdTkB3t8Fe/Qu/X9COUnPkhNOXZnLv82kd87h1mrS/eeq3tmVtzWghtkLuC7hIrW27BT6a5hmy06wDKCAxQLXsHO3KC/J9dLjX1SypadV8SrN83af0hRlXS+sN3mKm/33Ic3WUf9dV/T9XBCncNGysIBFRPiGt7XrwcXnhz7/qlb+LDiusSUbYQd2k6LMwUKYiuZIpPlQ6FbiS+CAQ+emYFIw11B8TcrvvIQuDSimMjEqZ+9QgbeQR+FUAT5XDYiqU3y8XAWLH18WpZWp+bRIp4axICrp/AW6Syv+eK+pPSB0Ra 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: 11 Dec 2020 01:54:54.1900 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-Network-Message-Id: 2442d012-9fe8-4559-82d7-08d89d77c153 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: e5nYxN60quRGfNzjUnfVQiLXGqmcNI6FRMl1NMWkfTU2r8/5WzI39zfi4MVoAzifqxNMH1MmLW11yb3D67cIlQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI1PR0402MB3952 X-Mailman-Approved-At: Fri, 11 Dec 2020 08:16:08 +0000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: martin.kepplinger@puri.sm, jernej.skrabec@siol.net, kernel@pengutronix.de, narmstrong@baylibre.com, airlied@linux.ie, s.hauer@pengutronix.de, jonas@kwiboo.se, kishon@ti.com, a.hajda@samsung.com, vkoul@kernel.org, robh+dt@kernel.org, Laurent.pinchart@ideasonboard.com, robert.chiras@nxp.com, shawnguo@kernel.org, agx@sigxcpu.org, linux-imx@nxp.com Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" 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 --- 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; }; /**