From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 387A8D730A8 for ; Fri, 3 Apr 2026 05:50:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=iPZhWKK4ST0cpGrSmOu3BHDHN2s+8+eepKzTlyZK76k=; b=bQUmT34u/w4Cr0 /jxM39Asqm26K4izKul1Nv0VtTItqGPNH0KKnR3HI7SVA7b71grc833b1PN8rfMxyXQ4Wf9Rp1Pdm 9ii8LYE7Pi1jR0yKyBpcgr2CYHPO+1iCY347/Xj4y0OGsY0ULrjn3AqbPpKzgKTUL7rHT6ZEmuVRU Nai2G0YXArOv4ZdWZffw4xWvRO3Oed48K3dJ6S/iWT4QLx6QXZHQyXUJCvVdUK3YlSfH4w7BbP7LX lDTG+6KjUb5yTM/QcaLmKYCxkQu2UpEx/22uRg44SO9t49DwW2Mu7iOCTALMoItYOJS1PnfOtUtED h/YLs/F5mR9CF5ZyfZZQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1w8XQf-00000001LsK-2tie; Fri, 03 Apr 2026 05:50:49 +0000 Received: from mail-bjschn02on20717.outbound.protection.partner.outlook.cn ([2406:e500:4440:2::717] helo=CHN02-BJS-obe.outbound.protection.partner.outlook.cn) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1w8XQb-00000001LhU-3nQn for linux-riscv@lists.infradead.org; Fri, 03 Apr 2026 05:50:47 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=hyuKmnUNTXhVhlQUZc/+NQEEN1pPKI+6rENWbsQpopN8qKkgs69oNCE7QD9CzG06bLENSAVk8KdZKcqbMsdJc/ae/xhe4J8H6/2EBYXI9j0iIa2Cl3fYHzoIYpq4JxJmPCtTTV8vSYCv0vknbhdn6BU5qeNWwIDiC4eVdJqPaOz9m0VfZQusODKQEAdj5tP9lCDtPIfj8z/+6l1WMkrGvFkUW4dS3TUTMWFpjtsZvwqzCEvdIwEJYN+HNgtzxubRALhvTv1SNFNlDMbTties2wvbq4na//hWbJN3GFwft0kf0iCjHT/z6NKwcfl86LiGvyWPgc1IwAwXz4jJuwN4Mw== 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-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=1yPJfAQk8+shPJxt2K3PZExFJ3BPpC7yXXsPs52jHNQ=; b=c13uXoRBK7Tk7qTVdtMfKYHS/SA3GQgZaiTJIAyakBOc0+PPI0bEAYjjVqYfF1f4NKE1E291TGkcDG9PGh3xo/laXlRmXaECr07gTnBB3V/RLyKdBB6f8avyBJMS2wlyyAatW/6nSAPkAR2DI//FnPXORtYsG385f0/U7ospQ3zvCHMSlyGWrwPQMTfa2TZpNZWeL0S612DBHMUJJuSnu71oI3Mj8sLU2mi1ttKVcwBHYJGNV/SxfFP1pDrspOF3WQa7hRqiIVrH1plgFSLjWnIiQz5EOraDoYiVdgtP1P9oA0r9wm1QY3ite5eWnbL39F0Y5jfefg4P+Csc1+OYqg== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=starfivetech.com; dmarc=pass action=none header.from=starfivetech.com; dkim=pass header.d=starfivetech.com; arc=none Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=starfivetech.com; Received: from ZQ4PR01MB1202.CHNPR01.prod.partner.outlook.cn (2406:e500:c550:17::6) by ZQ4PR01MB1252.CHNPR01.prod.partner.outlook.cn (2406:e500:c550:16::8) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9769.19; Fri, 3 Apr 2026 05:50:12 +0000 Received: from ZQ4PR01MB1202.CHNPR01.prod.partner.outlook.cn ([fe80::e7d4:256c:b066:850d]) by ZQ4PR01MB1202.CHNPR01.prod.partner.outlook.cn ([fe80::e7d4:256c:b066:850d%5]) with mapi id 15.20.9769.020; Fri, 3 Apr 2026 05:50:12 +0000 From: Changhuang Liang To: Michael Turquette , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Stephen Boyd , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , Philipp Zabel , Emil Renner Berthing Cc: Chen Wang , Inochi Amaoto , Alexey Charkov , Thomas Bogendoerfer , Keguang Zhang , linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-riscv@lists.infradead.org, Ley Foon Tan , Changhuang Liang Subject: [PATCH v1 10/13] reset: starfive: Add syscon reset driver support Date: Thu, 2 Apr 2026 22:49:42 -0700 Message-Id: <20260403054945.467700-11-changhuang.liang@starfivetech.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20260403054945.467700-1-changhuang.liang@starfivetech.com> References: <20260403054945.467700-1-changhuang.liang@starfivetech.com> X-ClientProxiedBy: BJXPR01CA0052.CHNPR01.prod.partner.outlook.cn (2406:e500:c211:12::19) To ZQ4PR01MB1202.CHNPR01.prod.partner.outlook.cn (2406:e500:c550:17::6) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: ZQ4PR01MB1202:EE_|ZQ4PR01MB1252:EE_ X-MS-Office365-Filtering-Correlation-Id: c8f30830-e2d7-4ae1-932e-08de9144df7e X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|366016|52116014|7416014|376014|921020|38350700014|56012099003|22082099003|18002099003; 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:ZQ4PR01MB1202.CHNPR01.prod.partner.outlook.cn;PTR:;CAT:NONE;SFS:(13230040)(1800799024)(366016)(52116014)(7416014)(376014)(921020)(38350700014)(56012099003)(22082099003)(18002099003);DIR:OUT;SFP:1102; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?kV61ee/mcIHHNk7ztn5IIxI/L2UmkK7OBhum1shHLWlAmuff+qjVWqrRz0WI?= =?us-ascii?Q?VWlL6oTO/8Ws1yuznAqsJLcxYAbHPxr3yahsHVvtbjuOLqrGcfGPTO+uaOYg?= =?us-ascii?Q?Hh3CIBQvOJJ2GCEDMGf9V4yiH6qkCqmt6LfbJHhVofa9iVDgmEvcwNwz5gMV?= =?us-ascii?Q?EPfcg0+4RnlFTodB/26IRIR0svwLUFJLTnGMg+9ptXsJcw31MJjkrfrsIwPY?= =?us-ascii?Q?yeiGyo8kzo8fhQNKJvtvICmupqYcGFM9hAww0O/Cg8BrWfa9Am0WyzU60jqN?= =?us-ascii?Q?Pu3/k/Nb3LCXQlWKd6WM4eK+VSVpRza7osfMp+OEAOyz71unh7MWtB5ZcTQ0?= =?us-ascii?Q?2IpbLM0UxR0748XoEFDOe2qpqLw5y+WoG7AmeKk4pPrKm6dZsmxPUrD6bmAq?= =?us-ascii?Q?0yOyzN5Ir5Zq+68Qn0sk0E/ci7J0iSSp19qj/wWFci4RLTEXx2R+r+7r+HKD?= =?us-ascii?Q?ht7WyKrJR7xv9hY6iDdqBLCsHRxfZnlchdrvPhOtzl2lTioO6sZm/q/RLerl?= =?us-ascii?Q?YIiXFz/7h2BMbGyQegDRMrZUFolJ3gK23d9aaPLblqTrBFZO3F68Umx/8bed?= =?us-ascii?Q?DAsSiw3gU2oh7tC/UYh5pQvhOb4JajToKV19+DvdO+KlD2Siy6hVyVqoPqQ3?= =?us-ascii?Q?XRd8hJI0q9ySYPyHcXYpBCOZqFPDZnhS90WPcCgCT5ME1oHYPJPJL3SbEZVl?= =?us-ascii?Q?NdflOw3v6AbS1NtdPL2ykrkZ+gr//hY7mtD+5uqSocV61EDvULW6tFM5mDCX?= =?us-ascii?Q?CkyOgFjL5fv5FMqu+G83wkxsZjOwTzoayxzw1Sbgnic7RdkvFjNiRl4cah16?= =?us-ascii?Q?8EVNorsZwuf679ZQ21e19o5AG0ThFG/T2zOTz8RB8+iE22H7txhl7D8+13L0?= =?us-ascii?Q?2CI7GKIPlfqwUCsX1DWxEqDWKUngR/skEfaDgoUuPil5VfjdzkwRiuqP8Q58?= =?us-ascii?Q?DqjL/WPisPKkBsV/f7CCKq5CtTW7aIAB3DhcrWGxwn6fRMa6GndMwqhUcxjY?= =?us-ascii?Q?avEc+9N9LgNEzHoJOEjjBYqNjxwpFwQGYS5Ehq/RgeDumkfI4c7dcOiRnbzk?= =?us-ascii?Q?VS5os1+XDpAU2AOpx2HQKJdmed5edDkmL4vtxs7qf+WbR/xBkwI/WiSPoY4i?= =?us-ascii?Q?CZU0xUs2KgF/I0AU/NKnotres6Sni9lQ84GDGB4Jy6t+SyEaTUbp8zYZ2p75?= =?us-ascii?Q?4VZpUKMyVuDsljEGSLDGNqO4eMfg6AX7IpT4RVFo20qigQSPr4sihOgCJsYN?= =?us-ascii?Q?0kT6HPrX4v9X2PnmmmCWUfH2xhjNqSCIFROxTTdpZT22ENxrSZA+pWtZiJVC?= =?us-ascii?Q?wNRgOlrGjKx42YK2fNpWM7a81Xvq9Kk3y+l2saSKeSCRuts0s7IrM1DjA0Vn?= =?us-ascii?Q?0ZQ8Q8CYzgdrs6Z0AisjIvHN4qTGUX6cjR69EX+vBujIWWn/38lS6lzWYtbd?= =?us-ascii?Q?JbWjGSmsipQ/39Pzre66JKDQBJEfgRUqxsRDWq0d39ZY9BZi/vxQnbWCqxWA?= =?us-ascii?Q?TtrmRCFAYgaXmSb+AFoUPKK3xaBv246Q/qNd8LZ/1LEGmT8mLOIfEgr5Pcyn?= =?us-ascii?Q?1iPqDwYlzpA/tqHGo22O35/aDixwMDZ+gxbXRxHQLlnlCXLG/UeIu4axg7v5?= =?us-ascii?Q?GgZQKNa7A2ShPW3/ly9dvas64727Qiy+LQlf+Wmvro2duzmHVYgSQ4nEHENv?= =?us-ascii?Q?wk9rEcJhSbYzypeJLto6abQj2cPWwicTn3Brs+F6ElA9wUAZfQ+whI7r46Gd?= =?us-ascii?Q?F7wZXghbsIvdExQ54YJWqpcaHTY1b0y+ZS98valNa6jaI7F9d5SG?= X-OriginatorOrg: starfivetech.com X-MS-Exchange-CrossTenant-Network-Message-Id: c8f30830-e2d7-4ae1-932e-08de9144df7e X-MS-Exchange-CrossTenant-AuthSource: ZQ4PR01MB1202.CHNPR01.prod.partner.outlook.cn X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 03 Apr 2026 05:50:12.7976 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 06fe3fa3-1221-43d3-861b-5a4ee687a85c X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: OFKu+EGSaaqvZoP4Ps/aqJ4uIZFCGSFKS2UJJr0ER4oJ/2iLUbHuNKDqypM1w2CCjRVLTRXvuoLxqtTqlSpfR/O7jUJH+8oqA53EGew4V9Q1i//8QeYDh5Hi2WRFIyAD X-MS-Exchange-Transport-CrossTenantHeadersStamped: ZQ4PR01MB1252 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260402_225045_948052_49E4B134 X-CRM114-Status: GOOD ( 16.79 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org Add syscon reset driver for JHB100 SoC. Signed-off-by: Changhuang Liang --- drivers/reset/starfive/Kconfig | 9 ++++ drivers/reset/starfive/Makefile | 1 + .../starfive/reset-starfive-jhb100-syscon.c | 48 +++++++++++++++++++ 3 files changed, 58 insertions(+) create mode 100644 drivers/reset/starfive/reset-starfive-jhb100-syscon.c diff --git a/drivers/reset/starfive/Kconfig b/drivers/reset/starfive/Kconfig index 6f9a0f24f9b9..cd5ae9cad9d9 100644 --- a/drivers/reset/starfive/Kconfig +++ b/drivers/reset/starfive/Kconfig @@ -28,3 +28,12 @@ config RESET_STARFIVE_JHB100 default ARCH_STARFIVE help This enables the reset controller driver for the StarFive JHB100 SoC. + +config RESET_STARFIVE_JHB100_SYSCON + bool "StarFive JHB100 SYSCON Reset Driver" + depends on ARCH_STARFIVE || COMPILE_TEST + select RESET_STARFIVE_COMMON + default ARCH_STARFIVE + help + This enables the SYSCON reset controller driver for the StarFive + JHB100 SoC. diff --git a/drivers/reset/starfive/Makefile b/drivers/reset/starfive/Makefile index 217002302a9f..d5033d723167 100644 --- a/drivers/reset/starfive/Makefile +++ b/drivers/reset/starfive/Makefile @@ -4,3 +4,4 @@ obj-$(CONFIG_RESET_STARFIVE_COMMON) += reset-starfive-common.o obj-$(CONFIG_RESET_STARFIVE_JH7100) += reset-starfive-jh7100.o obj-$(CONFIG_RESET_STARFIVE_JH7110) += reset-starfive-jh7110.o obj-$(CONFIG_RESET_STARFIVE_JHB100) += reset-starfive-jhb100.o +obj-$(CONFIG_RESET_STARFIVE_JHB100_SYSCON) += reset-starfive-jhb100-syscon.o diff --git a/drivers/reset/starfive/reset-starfive-jhb100-syscon.c b/drivers/reset/starfive/reset-starfive-jhb100-syscon.c new file mode 100644 index 000000000000..8de6419615c2 --- /dev/null +++ b/drivers/reset/starfive/reset-starfive-jhb100-syscon.c @@ -0,0 +1,48 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * SYSCON Reset driver for the StarFive JHB110 SoC + * + * Copyright (C) 2025 StarFive Technology Co., Ltd. + */ + +#include +#include +#include + +#include "reset-starfive-common.h" + +#define JHB100_PCIERP_SYSCON_RESET_ASSERT0 0x00 + +static int jhb100_syscon_reset_probe(struct platform_device *pdev) +{ + void __iomem *base = devm_platform_ioremap_resource(pdev, 0); + + if (IS_ERR(base)) + return PTR_ERR(base); + + return reset_starfive_register_polarity(&pdev->dev, pdev->dev.of_node, + base + JHB100_PCIERP_SYSCON_RESET_ASSERT0, + base + JHB100_PCIERP_SYSCON_RESET_ASSERT0, + NULL, + JHB100_PCIERP_SYSCONRST_PE2RST_OUT + 1, + NULL); +} + +static const struct of_device_id jhb100_syscon_reset_dt_ids[] = { + { .compatible = "starfive,jhb100-reset-pcierp" }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, jhb100_syscon_reset_dt_ids); + +static struct platform_driver jhb100_syscon_reset_driver = { + .probe = jhb100_syscon_reset_probe, + .driver = { + .name = "jhb100-syscon-reset", + .of_match_table = jhb100_syscon_reset_dt_ids, + }, +}; +module_platform_driver(jhb100_syscon_reset_driver); + +MODULE_AUTHOR("Changhuang Liang "); +MODULE_DESCRIPTION("StarFive JHB100 SYSCON reset driver"); +MODULE_LICENSE("GPL"); -- 2.25.1 _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv