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 X-Spam-Level: X-Spam-Status: No, score=-7.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,UNWANTED_LANGUAGE_BODY,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 25643C35254 for ; Mon, 17 Feb 2020 12:35:04 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 7B6FE20718 for ; Mon, 17 Feb 2020 12:35:03 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="M9PjuWcb"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=xilinx.onmicrosoft.com header.i=@xilinx.onmicrosoft.com header.b="ABX6vdfL" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7B6FE20718 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=xilinx.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=Lo9JdA+o71Xyn3L7Zoj6J4YEzmgIke8Vqq23SII+66c=; b=M9PjuWcbIOCSyE cEY8iOtjtgzhfH/sewRhAJBClsahIhS7uHRDHC+9dDNaIjsDOD3wCr7VkWDNP1qH0DIfxq3S7Ay6r L8O0skjeyx0urhjy6eyZ1rzyw9xHLGklOKle/iqJ/Q7yx/0oMw7htGJAkiZD8bvpuiHQ2/zqQaF37 KoVmDyjBtAmh/G7hJ5ZanmL4xZGYPQ0HxzSp/FBAg01cemEmZElsjQEnwtj2VLgv9zrYJYdMGaTJg P7EJhFiayvSaIITSDOFvVXNZqM5xRMBF7JlCE3z9kMaRnl1HE3UWMY8vaZRG/YaAmffIGhd+Zyww2 wzMNGSI3EUJVUHH/1xGw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1j3fby-0001ZN-4d; Mon, 17 Feb 2020 12:34:54 +0000 Received: from mail-bn8nam11on2065.outbound.protection.outlook.com ([40.107.236.65] helo=NAM11-BN8-obe.outbound.protection.outlook.com) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1j3fat-0000YK-AS for linux-arm-kernel@lists.infradead.org; Mon, 17 Feb 2020 12:33:49 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=JfvBmCdeGnTGRElkIicU7yzcEVdLv9OBYhU7NTgxQfzB+M4PvhIFiC9K+vVrb6sFE237iCBFEsKw5i+nKiVnTYYA9p9Amp4sbOGp5FOTOx6EYxyyobeSj8BbzDgCEpbbzp+iv287kSHm8SU5eRPt6dY7VY/3QE8JWrUNOyup4Bl9Z9oDKAQFmfU3XE+J7ZzA0HGrk1vlO9gGwGw4vvTMMy9PMghAy8fEVID6n0WMJ8Dwz6R2b+EMMx8b1gFuFcfqYQZBcHzK2or188kPt7v2DbHHJ9Hq8j0HSdOvDqnIUIk7EXb5l/NWeWn5VrXzNHlF9/hfZNQZ6wNTVPSJLvF1eA== 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=aSLIql5MoG4i9i/mKSl1vgGEGnbfGf/ctqtXPBP8pkQ=; b=fjI7U6I7pkuQ6nj7IIcW5PRS7zZtgCuXA07kNiSBj/H43ux/zjJyBSYlkRIhJ66wZawaOZHgpW66+ZBUR6nypywV83tY/dBdYnYJf0a2RNM+fpQQf6b1dsSlNNPQpu7rdSL8a9M94zyB6WO+2VEGzSdh0e5sCVKATzD9myoH+hTAgAkrDBpki135XH5JVOqmpCqAvXptfCl4ty0gOnfQBWMQbzQkvlaR9ahhWDq2qQUDG8jx4OtqATyNGx6ghzdorIqZHcno6RKKd8+Hist1D5b+//XwAdJL1kgLx+6O5Z4lgufCkItyCpQBe/KZzgUT+pcpxze+yTTa0SeSBGYRDg== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 149.199.60.83) smtp.rcpttodomain=vger.kernel.org smtp.mailfrom=xilinx.com; dmarc=bestguesspass action=none header.from=xilinx.com; dkim=none (message not signed); arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=xilinx.onmicrosoft.com; s=selector2-xilinx-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=aSLIql5MoG4i9i/mKSl1vgGEGnbfGf/ctqtXPBP8pkQ=; b=ABX6vdfLG5ekqxhvCqETEwrfB9AiWj9pRD0sQnihsjU4aimNna3oGll/QRlrg6XrLqXqtIPX3n1SWo5aVUy9XkLvNDisTaXm76q5KSffSoOkEfWGVaCidOEYtymirnglmhOLm70EmQmLoDFNHIM6NKQGfsXMSjUul/y91GgqpIk= Received: from DM6PR02CA0102.namprd02.prod.outlook.com (2603:10b6:5:1f4::43) by MWHPR0201MB3547.namprd02.prod.outlook.com (2603:10b6:301:7b::24) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2729.22; Mon, 17 Feb 2020 12:33:38 +0000 Received: from BL2NAM02FT056.eop-nam02.prod.protection.outlook.com (2a01:111:f400:7e46::201) by DM6PR02CA0102.outlook.office365.com (2603:10b6:5:1f4::43) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2729.23 via Frontend Transport; Mon, 17 Feb 2020 12:33:38 +0000 Authentication-Results: spf=pass (sender IP is 149.199.60.83) smtp.mailfrom=xilinx.com; vger.kernel.org; dkim=none (message not signed) header.d=none;vger.kernel.org; dmarc=bestguesspass action=none header.from=xilinx.com; Received-SPF: Pass (protection.outlook.com: domain of xilinx.com designates 149.199.60.83 as permitted sender) receiver=protection.outlook.com; client-ip=149.199.60.83; helo=xsj-pvapsmtpgw01; Received: from xsj-pvapsmtpgw01 (149.199.60.83) by BL2NAM02FT056.mail.protection.outlook.com (10.152.77.221) with Microsoft SMTP Server (version=TLS1_0, cipher=TLS_RSA_WITH_AES_256_CBC_SHA) id 15.20.2729.22 via Frontend Transport; Mon, 17 Feb 2020 12:33:37 +0000 Received: from unknown-38-66.xilinx.com ([149.199.38.66] helo=xsj-pvapsmtp01) by xsj-pvapsmtpgw01 with esmtp (Exim 4.63) (envelope-from ) id 1j3faj-0000Se-2L; Mon, 17 Feb 2020 04:33:37 -0800 Received: from [127.0.0.1] (helo=localhost) by xsj-pvapsmtp01 with smtp (Exim 4.63) (envelope-from ) id 1j3fad-0001wt-VW; Mon, 17 Feb 2020 04:33:32 -0800 Received: from xsj-pvapsmtp01 (maildrop.xilinx.com [149.199.38.66]) by xsj-smtp-dlp1.xlnx.xilinx.com (8.13.8/8.13.1) with ESMTP id 01HCXRLD025885; Mon, 17 Feb 2020 04:33:27 -0800 Received: from [10.140.6.6] (helo=xhdappanad40.xilinx.com) by xsj-pvapsmtp01 with esmtp (Exim 4.63) (envelope-from ) id 1j3faY-0001uE-OO; Mon, 17 Feb 2020 04:33:27 -0800 From: Srinivas Neeli To: linus.walleij@linaro.org, bgolaszewski@baylibre.com, michal.simek@xilinx.com, shubhrajyoti.datta@xilinx.com Subject: [PATCH V3 4/7] gpio: zynq: Add Versal support Date: Mon, 17 Feb 2020 18:03:10 +0530 Message-Id: <1581942793-19468-5-git-send-email-srinivas.neeli@xilinx.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1581942793-19468-1-git-send-email-srinivas.neeli@xilinx.com> References: <1581942793-19468-1-git-send-email-srinivas.neeli@xilinx.com> X-RCIS-Action: ALLOW X-TM-AS-Product-Ver: IMSS-7.1.0.1224-8.2.0.1013-23620.005 X-TM-AS-User-Approved-Sender: Yes;Yes X-EOPAttributedMessage: 0 X-MS-Office365-Filtering-HT: Tenant X-Forefront-Antispam-Report: CIP:149.199.60.83; IPV:; CTRY:US; EFV:NLI; SFV:NSPM; SFS:(10009020)(4636009)(346002)(376002)(396003)(39860400002)(136003)(199004)(189003)(8676002)(8936002)(107886003)(70206006)(4326008)(356004)(186003)(2616005)(81156014)(26005)(81166006)(5660300002)(426003)(336012)(70586007)(6666004)(44832011)(316002)(9786002)(36756003)(6636002)(966005)(7696005)(2906002)(478600001); DIR:OUT; SFP:1101; SCL:1; SRVR:MWHPR0201MB3547; H:xsj-pvapsmtpgw01; FPR:; SPF:Pass; LANG:en; PTR:unknown-60-83.xilinx.com; A:1; MX:1; MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 46fe1f2f-80c4-43c5-516e-08d7b3a59cd8 X-MS-TrafficTypeDiagnostic: MWHPR0201MB3547: X-Microsoft-Antispam-PRVS: X-Auto-Response-Suppress: DR, RN, NRN, OOF, AutoReply X-MS-Oob-TLC-OOBClassifiers: OLM:5236; X-Forefront-PRVS: 0316567485 X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-OriginatorOrg: xilinx.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 17 Feb 2020 12:33:37.6223 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 46fe1f2f-80c4-43c5-516e-08d7b3a59cd8 X-MS-Exchange-CrossTenant-Id: 657af505-d5df-48d0-8300-c31994686c5c X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=657af505-d5df-48d0-8300-c31994686c5c; Ip=[149.199.60.83]; Helo=[xsj-pvapsmtpgw01] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MWHPR0201MB3547 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200217_043347_388542_E3F82366 X-CRM114-Status: GOOD ( 15.33 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, git@xilinx.com Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Shubhrajyoti Datta Add Versal support in gpio. Only bank 0 and 3 are connected to the Multiplexed Input output pins. Bank 0 to mio and bank3 to fabric Multiplexed input output pins. Versal devices are the industry's first adaptive compute acceleration platforms. https://www.xilinx.com/support/documentation/data_sheets/ds950-versal-overview.pdf On the Versal platform, we are using two customized GPIO controllers(IP) which were used in Zynq/ZynqMp platform. One of them present in the Platform Management Controller(PMC) block and other in Processing System(PS) block. In PMC_GPIO only Bank0,1,3 & 4 are enabled and in PS_GPIO only Bank 0 & 3 are enabled. You can find more details of GPIO IP in ZynqMP TRM General Purpose I/O(Chapter-27). https://www.xilinx.com/support/documentation/user_guides/ug1085-zynq-ultrascale-trm.pdf Signed-off-by: Shubhrajyoti Datta Signed-off-by: Michal Simek --- drivers/gpio/gpio-zynq.c | 28 +++++++++++++++++++++++++++- 1 file changed, 27 insertions(+), 1 deletion(-) diff --git a/drivers/gpio/gpio-zynq.c b/drivers/gpio/gpio-zynq.c index fb93b35ab19e..9ac69144a0eb 100644 --- a/drivers/gpio/gpio-zynq.c +++ b/drivers/gpio/gpio-zynq.c @@ -22,6 +22,8 @@ /* Maximum banks */ #define ZYNQ_GPIO_MAX_BANK 4 #define ZYNQMP_GPIO_MAX_BANK 6 +#define VERSAL_GPIO_MAX_BANK 4 +#define VERSAL_UNUSED_BANKS 2 #define ZYNQ_GPIO_BANK0_NGPIO 32 #define ZYNQ_GPIO_BANK1_NGPIO 22 @@ -96,6 +98,7 @@ /* set to differentiate zynq from zynqmp, 0=zynqmp, 1=zynq */ #define ZYNQ_GPIO_QUIRK_IS_ZYNQ BIT(0) #define GPIO_QUIRK_DATA_RO_BUG BIT(1) +#define GPIO_QUIRK_VERSAL BIT(2) struct gpio_regs { u32 datamsw[ZYNQMP_GPIO_MAX_BANK]; @@ -199,6 +202,8 @@ static inline void zynq_gpio_get_bank_pin(unsigned int pin_num, gpio->p_data->bank_min[bank]; return; } + if (gpio->p_data->quirks & GPIO_QUIRK_VERSAL) + bank = bank + VERSAL_UNUSED_BANKS; } /* default */ @@ -656,6 +661,8 @@ static void zynq_gpio_irqhandler(struct irq_desc *desc) int_enb = readl_relaxed(gpio->base_addr + ZYNQ_GPIO_INTMASK_OFFSET(bank_num)); zynq_gpio_handle_bank_irq(gpio, bank_num, int_sts & ~int_enb); + if (gpio->p_data->quirks & GPIO_QUIRK_VERSAL) + bank_num = bank_num + VERSAL_UNUSED_BANKS; } chained_irq_exit(irqchip, desc); @@ -685,6 +692,8 @@ static void zynq_gpio_save_context(struct zynq_gpio *gpio) gpio->context.int_any[bank_num] = readl_relaxed(gpio->base_addr + ZYNQ_GPIO_INTANY_OFFSET(bank_num)); + if (gpio->p_data->quirks & GPIO_QUIRK_VERSAL) + bank_num = bank_num + VERSAL_UNUSED_BANKS; } } @@ -716,6 +725,8 @@ static void zynq_gpio_restore_context(struct zynq_gpio *gpio) writel_relaxed(~(gpio->context.int_en[bank_num]), gpio->base_addr + ZYNQ_GPIO_INTEN_OFFSET(bank_num)); + if (gpio->p_data->quirks & GPIO_QUIRK_VERSAL) + bank_num = bank_num + VERSAL_UNUSED_BANKS; } } @@ -787,6 +798,17 @@ static const struct dev_pm_ops zynq_gpio_dev_pm_ops = { zynq_gpio_runtime_resume, NULL) }; +static const struct zynq_platform_data versal_gpio_def = { + .label = "versal_gpio", + .quirks = GPIO_QUIRK_VERSAL, + .ngpio = 58, + .max_bank = VERSAL_GPIO_MAX_BANK, + .bank_min[0] = 0, + .bank_max[0] = 25, /* 0 to 25 are connected to MIOs (26 pins) */ + .bank_min[3] = 26, + .bank_max[3] = 57, /* Bank 3 is connected to FMIOs (32 pins) */ +}; + static const struct zynq_platform_data zynqmp_gpio_def = { .label = "zynqmp_gpio", .quirks = GPIO_QUIRK_DATA_RO_BUG, @@ -824,6 +846,7 @@ static const struct zynq_platform_data zynq_gpio_def = { static const struct of_device_id zynq_gpio_of_match[] = { { .compatible = "xlnx,zynq-gpio-1.0", .data = &zynq_gpio_def }, { .compatible = "xlnx,zynqmp-gpio-1.0", .data = &zynqmp_gpio_def }, + { .compatible = "xlnx,versal-gpio-1.0", .data = &versal_gpio_def }, { /* end of table */ } }; MODULE_DEVICE_TABLE(of, zynq_gpio_of_match); @@ -903,9 +926,12 @@ static int zynq_gpio_probe(struct platform_device *pdev) goto err_pm_dis; /* disable interrupts for all banks */ - for (bank_num = 0; bank_num < gpio->p_data->max_bank; bank_num++) + for (bank_num = 0; bank_num < gpio->p_data->max_bank; bank_num++) { writel_relaxed(ZYNQ_GPIO_IXR_DISABLE_ALL, gpio->base_addr + ZYNQ_GPIO_INTDIS_OFFSET(bank_num)); + if (gpio->p_data->quirks & GPIO_QUIRK_VERSAL) + bank_num = bank_num + VERSAL_UNUSED_BANKS; + } /* Set up the GPIO irqchip */ girq = &chip->irq; -- 2.7.4 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel