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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 54E02C433FE for ; Mon, 10 Jan 2022 19:37:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242779AbiAJThJ (ORCPT ); Mon, 10 Jan 2022 14:37:09 -0500 Received: from mx0d-0054df01.pphosted.com ([67.231.150.19]:47039 "EHLO mx0d-0054df01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241122AbiAJThI (ORCPT ); Mon, 10 Jan 2022 14:37:08 -0500 Received: from pps.filterd (m0209000.ppops.net [127.0.0.1]) by mx0c-0054df01.pphosted.com (8.16.1.2/8.16.1.2) with ESMTP id 20AI5tQE001644; Mon, 10 Jan 2022 14:37:03 -0500 Received: from can01-to1-obe.outbound.protection.outlook.com (mail-to1can01lp2051.outbound.protection.outlook.com [104.47.61.51]) by mx0c-0054df01.pphosted.com (PPS) with ESMTPS id 3dgp68r76k-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 10 Jan 2022 14:37:03 -0500 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=f91VlaAdrR0P4RbZRkA0SJVI9AuWdrDIQVMSZjm+Xn4TG9EBeTd9fWK+dUmHGiywJ2U8yqd0tGdVbLuYROAEDh3xp/nlWe/+izzqdY1ZfNBS8Rd0uJCwHIYs+hT/OCCFsJckQ7KIcdEs7VXugc0VEflCwLncqUuSbZ+5o62ssLrQB1Zc2xucHZoVu0rD/oC3mJoP1zuOMxbJfT98MfbbnIltIKDeDRbHo9scNOLJuWJAFGVeVn77Yw8YfJcv+7wZhXyfxeVV90hRYfDy6sqW3v6qfBvhQqBEFI/MimyR7Z+ZrGGtT1rd5x8UokNsR6GiK5GbFvzKS12BRiEY/G3pyw== 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=+D3fgwE77//+LJ/u59LDGJ6v9aP+LrJdh8IqVspVkwI=; b=C24wk+7QmY4dIBxGeQgNixUu4bCB6CkKSF0ykAyvHnBouUiAG2mo94BUnDUuSy+io06vHd9X8nWSn/xFft6PJjWlfHjam0jnMBzzqUcMV3l3wsgDjhmG5B9ivmAstDCODZIG83nKD2PnHx1b9DFxyPeCid5+6pK8PY/W6WDgyzE3id70Gvlp4NkXyxJOpQdgf8y/pQGeE5ZYiC3py5xWTq5jvHrd0QTqs17+sKCcr62YaoOQSIQI3VdhVezQU8nH5j+gC8nPI18Z5T+Xhc289nG6NEi0pptToJpV2nW5ZuN9xM/t3hKLIo1UtzrLadwp99Rp4QkM/foDRXmtbnd9ig== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=calian.com; dmarc=pass action=none header.from=calian.com; dkim=pass header.d=calian.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=calian.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=+D3fgwE77//+LJ/u59LDGJ6v9aP+LrJdh8IqVspVkwI=; b=w2lBZLYARE187cQEQ0vf/Vr75VDw3KXl04mRP3TpUYcTubPI+LtJG4a3UkyIDetxIzwtJ+atmJjixvemvl1+OuPOFSwvEXny4yxE/arpgzQR7djXxL7Y8USMmdC+s3sSbf9xJKsjirZ+nMTqJLvxSRHqYjsUsuYxGZEilB6/SmI= Received: from YT2PR01MB6270.CANPRD01.PROD.OUTLOOK.COM (2603:10b6:b01:4d::14) by YTOPR0101MB2236.CANPRD01.PROD.OUTLOOK.COM (2603:10b6:b00:22::25) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4867.9; Mon, 10 Jan 2022 19:37:02 +0000 Received: from YT2PR01MB6270.CANPRD01.PROD.OUTLOOK.COM ([fe80::4441:49c3:f6d1:65ec]) by YT2PR01MB6270.CANPRD01.PROD.OUTLOOK.COM ([fe80::4441:49c3:f6d1:65ec%9]) with mapi id 15.20.4867.012; Mon, 10 Jan 2022 19:37:02 +0000 From: Robert Hancock To: linux-usb@vger.kernel.org Cc: Thinh.Nguyen@synopsys.com, robh+dt@kernel.org, devicetree@vger.kernel.org, michal.simek@xilinx.com, balbi@kernel.org, gregkh@linuxfoundation.org, mounika.grace.akula@xilinx.com, manish.narani@xilinx.com, Robert Hancock Subject: [PATCH v2 1/5] usb: dwc3: xilinx: Fix PIPE clock selection for USB2.0 mode Date: Mon, 10 Jan 2022 13:36:37 -0600 Message-Id: <20220110193641.1368350-2-robert.hancock@calian.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20220110193641.1368350-1-robert.hancock@calian.com> References: <20220110193641.1368350-1-robert.hancock@calian.com> Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: MWHPR12CA0025.namprd12.prod.outlook.com (2603:10b6:301:2::11) To YT2PR01MB6270.CANPRD01.PROD.OUTLOOK.COM (2603:10b6:b01:4d::14) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 38e06f63-c275-4bbb-1a31-08d9d4709318 X-MS-TrafficTypeDiagnostic: YTOPR0101MB2236:EE_ X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:6790; X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 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:YT2PR01MB6270.CANPRD01.PROD.OUTLOOK.COM;PTR:;CAT:NONE;SFS:(4636009)(366004)(6666004)(6512007)(5660300002)(83380400001)(2616005)(44832011)(508600001)(8936002)(8676002)(6486002)(2906002)(38350700002)(38100700002)(36756003)(6916009)(316002)(66476007)(66556008)(26005)(66946007)(1076003)(4326008)(6506007)(52116002)(186003)(107886003)(86362001);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?xIcW/JeoLoc78nPXkG+NnSgKD9wjquYVTwYvAivfzAZsYn+YdiFbH76v3i4B?= =?us-ascii?Q?Zu3Dqxcb/OabfYqh3bHe76sSLlovIUebizf6AO81bSMDhbI2FMfZCfBqVtmM?= =?us-ascii?Q?OaA9phes7cVJE+ZjM5ifJj7hKLR0VotrTRJW8svTit74jVL1UDhl4pyE7yMD?= =?us-ascii?Q?YE2qrm+Nmx5jAMh6CrZC/Oc13XhmKsoXHHxckI9f1Fs+T8l3UNS17E6GNKQD?= =?us-ascii?Q?+ciedODkduXq3Rr9SYsoclYNsgOLI72/ScYOxfBN3GLn1aGoPA+ZMPzEEM0Q?= =?us-ascii?Q?51OLe7aqqI98sufu2heagUJsFHom2D77PjA9468iEDkb+HA9gVCW5+ODMzEa?= =?us-ascii?Q?DhGMt0cdqU/fFQdpU7/AlgjoNeVjf5UB9IQ8mGpY48nX8sR8IQNJ+wNb3QUd?= =?us-ascii?Q?4BQriRvV8HKCNyO3+sY21hMsAa9ZvGHh2nlvcd12EyQfuiJvMNU/bXLe9ydU?= =?us-ascii?Q?U0M0wD94yW611XbIiaLCQOoLgnFUBp05VPGo7+KvZImT/r078T6v2w1Uvv0Z?= =?us-ascii?Q?FEwIIDFyuLcc8hianLtbw+UJ+9RUTtuAU/O7YcUuS5EsBwNGwLCNA7s8gbk5?= =?us-ascii?Q?UQDxOyd0lYI1ePH2NP1RVYnj3l4LotL5Y7cyUG6pjTx7Yle4hq5GCiH2kZ3p?= =?us-ascii?Q?0W3/Z6HH2AMuOeac3pdE1IWhS4RhXx8WjA7ZukKPrnPo5UDVz7XvkedxC8zI?= =?us-ascii?Q?WZZncG4OSoO0I1+7Y0LXofK7wpClay/FqMtr6N4JqMZygT6eoKbSkRXUGCyB?= =?us-ascii?Q?XzHWLPBrQXJeyKnrDAMV9PTF0GVKd5P5V0v6V3eXCbOSrZP9BIJr2LVE3qcU?= =?us-ascii?Q?38fZAq4fPYUgxnE43t0mcXt3mubu5LsDjPZpK17I+0y4AdnY+5gv3Aly/aRh?= =?us-ascii?Q?TGaNeuS+4V0oGjDJ+cDeHlTO2f8pgpSfE5UmsBXbkrhVgf7BtFLjGYxKDvSl?= =?us-ascii?Q?N38U6OvjM9PAOFsdMaYzR7Zdr1y3LW+BqxpaThchd4ihiXYi86LVSfSy35YW?= =?us-ascii?Q?BbdhUtnnwyu5RUYBvWGXsc2ahVbV69I0cM2QT8CM6QWgMi2OzWer3HpOYixU?= =?us-ascii?Q?GdYU3Cu27IYCCLeI8to2MJ/ko5QoXMdfyQu9Ad9aEyK7bEEL8qMxR1InjA/l?= =?us-ascii?Q?cWcXYgqnui3jDOcOGpWDhioUivA78lWwqtkqb0CzGXVf5BYgXyOM+IyQdbmL?= =?us-ascii?Q?J+QJ0Mb10lnDyhlsXWlen9x/YT0yp8anEW/9FcM/KD2o5GL26gjOzMIrOJIq?= =?us-ascii?Q?I+sOj9kjKMURFGICFylnzAK5xuEWQy+pHH9IA86lDZGkZdivn+H0JE9jaQIB?= =?us-ascii?Q?oPptCl0EtaFFxXqWzcMJxN04CDNRCnbG/f9lZkBPqU1sAepfOdP0RNWVA5Hq?= =?us-ascii?Q?CNeNuLQKCOyVZtuG8lKruaoaAyNNYb+YIfEAn8OrKYrVQV+ucctcS3YFgar1?= =?us-ascii?Q?bINpirpLn7GJZgNzHrJODlRBeg+oaU0AgAr66/yIKre1TaiAfM1V81et4f/R?= =?us-ascii?Q?8bfzY8p4YIQCrk+vZeuWpd261ncRBzJlqciQnpbs7I6pgSUzyNqRptezlRL9?= =?us-ascii?Q?S0NaCDWXpAh5NuiAiVAj6PyqWAJ2ZfbNFlZxEOL6ddcmzhYd3q/K+PQATO7s?= =?us-ascii?Q?jdvGPWlXqMi2O6t4WycYz5uo1TZFt4Ix+qHU84H4taKsW2z1uo69TKWWcHC7?= =?us-ascii?Q?JOJLCQ=3D=3D?= X-OriginatorOrg: calian.com X-MS-Exchange-CrossTenant-Network-Message-Id: 38e06f63-c275-4bbb-1a31-08d9d4709318 X-MS-Exchange-CrossTenant-AuthSource: YT2PR01MB6270.CANPRD01.PROD.OUTLOOK.COM X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 10 Jan 2022 19:37:02.0610 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 23b57807-562f-49ad-92c4-3bb0f07a1fdf X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: oIYO7bK7EgiV1vCVDG+oViP8P7quZq6f+U1t8k/SXltjxMhNxnsVf7t+u4/znzjIs4gK9SUU8qPo4SMfSUFMs18fpBleWZyjHoy6OBauMMg= X-MS-Exchange-Transport-CrossTenantHeadersStamped: YTOPR0101MB2236 X-Proofpoint-GUID: OvcYLqMfoqeO-yosytxTCJTOJB14mX_5 X-Proofpoint-ORIG-GUID: OvcYLqMfoqeO-yosytxTCJTOJB14mX_5 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.790,Hydra:6.0.425,FMLib:17.11.62.513 definitions=2022-01-10_08,2022-01-10_02,2021-12-02_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 adultscore=0 clxscore=1015 mlxscore=0 spamscore=0 lowpriorityscore=0 suspectscore=0 bulkscore=0 mlxlogscore=881 malwarescore=0 impostorscore=0 priorityscore=1501 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2110150000 definitions=main-2201100133 Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org It appears that the PIPE clock should not be selected when only USB 2.0 is being used in the design and no USB 3.0 reference clock is used. Fix to set the correct value depending on whether a USB3 PHY is present. Fixes: 84770f028fab ("usb: dwc3: Add driver for Xilinx platforms") Signed-off-by: Robert Hancock --- drivers/usb/dwc3/dwc3-xilinx.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/usb/dwc3/dwc3-xilinx.c b/drivers/usb/dwc3/dwc3-xilinx.c index 9cc3ad701a29..3bc035376394 100644 --- a/drivers/usb/dwc3/dwc3-xilinx.c +++ b/drivers/usb/dwc3/dwc3-xilinx.c @@ -167,8 +167,11 @@ static int dwc3_xlnx_init_zynqmp(struct dwc3_xlnx *priv_data) /* Set PIPE Power Present signal in FPD Power Present Register*/ writel(FPD_POWER_PRSNT_OPTION, priv_data->regs + XLNX_USB_FPD_POWER_PRSNT); - /* Set the PIPE Clock Select bit in FPD PIPE Clock register */ - writel(PIPE_CLK_SELECT, priv_data->regs + XLNX_USB_FPD_PIPE_CLK); + /* Set the PIPE Clock Select bit in FPD PIPE Clock register if a USB3 + * PHY is in use, deselect otherwise + */ + writel(usb3_phy ? PIPE_CLK_SELECT : PIPE_CLK_DESELECT, + priv_data->regs + XLNX_USB_FPD_PIPE_CLK); ret = reset_control_deassert(crst); if (ret < 0) { -- 2.31.1