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=-12.9 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham 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 040EAC433E2 for ; Thu, 17 Sep 2020 08:28:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id ACE0B20715 for ; Thu, 17 Sep 2020 08:28:21 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=cadence.com header.i=@cadence.com header.b="LuLqLtKv"; dkim=pass (1024-bit key) header.d=cadence.com header.i=@cadence.com header.b="UMIxiJ1k" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726380AbgIQI2M (ORCPT ); Thu, 17 Sep 2020 04:28:12 -0400 Received: from mx0b-0014ca01.pphosted.com ([208.86.201.193]:31880 "EHLO mx0a-0014ca01.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726489AbgIQI2I (ORCPT ); Thu, 17 Sep 2020 04:28:08 -0400 Received: from pps.filterd (m0042333.ppops.net [127.0.0.1]) by mx0b-0014ca01.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 08H7SkfJ008571; Thu, 17 Sep 2020 00:30:53 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cadence.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-type; s=proofpoint; bh=C8lZJ1Cha7Cb0wiYNOREsm6vquHw6qwRCnPKgby+j8E=; b=LuLqLtKv+aWxchmYq+qHDY9u3J3+KekAEiGvUWukKo4h3FFyjBTPAWNU3PQQWN3z8HAA 4J52+UlvkJx7qt8lXxr9JsyeUntLQd6fErvLIGT2qlgIPYs8qTlTAS6ivbFxhVPFFoia 5RhobKaqxGT36a+1oYIlkidITcMoTOmMgvtHjfNHbM63WGNfvp7QMd3bAtfgpfNAdNKS Zg6VzFf7N+byzJd3SkUov3k4/qJ9k2Z9TEFt3ba0TPUafLzAACT6Bph+cDdeaTgjFPmo /ig/gmzszYNPCjCUQmF2aI2uOPLZGlPUIAutwl2MOeKwjeL6sLRn+4YeUyijZ6QWBuZw fQ== Received: from nam11-dm6-obe.outbound.protection.outlook.com (mail-dm6nam11lp2168.outbound.protection.outlook.com [104.47.57.168]) by mx0b-0014ca01.pphosted.com with ESMTP id 33k5njxkpq-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 17 Sep 2020 00:30:53 -0700 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=iKMVwgLk64PDKxFulnnSHFXFN//6FgItDMhELXaN0Qdybi8PEsgmcw54ukKQi1mqdMSy8eCQGAQbdoBdYJiRsqXx2mG5aEcpxpUHUj3y4GuZ9ZWoYEnXq1xCHwAXB0mLZpFr84H07EqlcJbVlqYbWi82smsh1SQAxfkWQIriWCUx43cg3E1albZg0qCdNvB+c+u8ciYnZWoYvFelaaIuCfUOFer/KyXmx2AZrVKhwVvAK0FosItwT171hdYxOyjU0JcgoyJlAaDnZph7wSfSgGL8McAF0uPv9sOLHGeHbXE4S8CRwf4pTuECEb4tCsRfDJGHiJZtJ2/mE7jtqUYGAQ== 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=C8lZJ1Cha7Cb0wiYNOREsm6vquHw6qwRCnPKgby+j8E=; b=DC7bBEaq1wi9fy+3D4dTyrzEeuXI1RxvCQsY3WObLyKJHqLKo/i7SgNB6a8YyRVXH5uL+ozBbXHKv1ZrIc2rIBYc1mEA1BmEv9LZcJ1+oNkK0Ze+UWEaF2wB3Lg6OULNICeaiMpyWILCp87nBYzxJ9sXDrdW0L9oQCPgraU5+YZytXYfcCq9+kE+d9Z1/DDK/CeROd8/N038LIpBWsr7ywPeoalzUtehvM2miVpX251poZ8fNtE/lTnxvmylu87Od9Uxe789LsUjxknxQ/d3HrG0E+EAwW19Bq04vCE3Kg1EB01tNWs89njcaDHcoSolCqMl7jzXkzDJD+bdhXpMQA== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 199.43.4.23) smtp.rcpttodomain=kernel.org smtp.mailfrom=cadence.com; dmarc=pass (p=none sp=none pct=100) action=none header.from=cadence.com; dkim=none (message not signed); arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cadence.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=C8lZJ1Cha7Cb0wiYNOREsm6vquHw6qwRCnPKgby+j8E=; b=UMIxiJ1k5HHhzDXmKM4ZLSldjso8pdUmddgjlpLc4Rs4f5ORNvyC8Y7pcMrewjK9iaQ8trEihB6a9JxALJQu7pDrVAHN2HawtIpDCDi7m1+tR2e2GgFMb/CxbV8Ry8zrL8tyiFcsR7ggbjK4Y68i/wNpihJe35JaymMPs5+l1CE= Received: from DM6PR11CA0029.namprd11.prod.outlook.com (2603:10b6:5:190::42) by BL0PR07MB3892.namprd07.prod.outlook.com (2603:10b6:207:4e::17) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3391.11; Thu, 17 Sep 2020 07:30:51 +0000 Received: from DM6NAM12FT067.eop-nam12.prod.protection.outlook.com (2603:10b6:5:190:cafe::23) by DM6PR11CA0029.outlook.office365.com (2603:10b6:5:190::42) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3391.14 via Frontend Transport; Thu, 17 Sep 2020 07:30:50 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 199.43.4.23) smtp.mailfrom=cadence.com; kernel.org; dkim=none (message not signed) header.d=none;kernel.org; dmarc=pass action=none header.from=cadence.com; Received-SPF: Pass (protection.outlook.com: domain of cadence.com designates 199.43.4.23 as permitted sender) receiver=protection.outlook.com; client-ip=199.43.4.23; helo=rmmaillnx1.cadence.com; Received: from rmmaillnx1.cadence.com (199.43.4.23) by DM6NAM12FT067.mail.protection.outlook.com (10.13.179.141) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3391.14 via Frontend Transport; Thu, 17 Sep 2020 07:30:50 +0000 Received: from maileu3.global.cadence.com (maileu3.cadence.com [10.160.88.99]) by rmmaillnx1.cadence.com (8.14.4/8.14.4) with ESMTP id 08H7UmHS011305 (version=TLSv1/SSLv3 cipher=AES256-SHA bits=256 verify=OK); Thu, 17 Sep 2020 03:30:49 -0400 X-CrossPremisesHeadersFilteredBySendConnector: maileu3.global.cadence.com Received: from maileu3.global.cadence.com (10.160.88.99) by maileu3.global.cadence.com (10.160.88.99) with Microsoft SMTP Server (TLS) id 15.0.1367.3; Thu, 17 Sep 2020 09:30:48 +0200 Received: from vleu-orange.cadence.com (10.160.88.83) by maileu3.global.cadence.com (10.160.88.99) with Microsoft SMTP Server (TLS) id 15.0.1367.3 via Frontend Transport; Thu, 17 Sep 2020 09:30:48 +0200 Received: from vleu-orange.cadence.com (localhost.localdomain [127.0.0.1]) by vleu-orange.cadence.com (8.14.4/8.14.4) with ESMTP id 08H7Ulpd009785; Thu, 17 Sep 2020 09:30:47 +0200 Received: (from sjakhade@localhost) by vleu-orange.cadence.com (8.14.4/8.14.4/Submit) id 08H7UlV7009784; Thu, 17 Sep 2020 09:30:47 +0200 From: Swapnil Jakhade To: , , , , , CC: , , , , , Subject: [PATCH v3 03/13] phy: cadence-torrent: Add PHY APB reset support Date: Thu, 17 Sep 2020 09:30:36 +0200 Message-ID: <1600327846-9733-4-git-send-email-sjakhade@cadence.com> X-Mailer: git-send-email 2.4.5 In-Reply-To: <1600327846-9733-1-git-send-email-sjakhade@cadence.com> References: <1600327846-9733-1-git-send-email-sjakhade@cadence.com> MIME-Version: 1.0 Content-Type: text/plain X-OrganizationHeadersPreserved: maileu3.global.cadence.com X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: b58439cb-5f16-47c5-9df6-08d85adb9a44 X-MS-TrafficTypeDiagnostic: BL0PR07MB3892: X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:551; X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: vLFxL/g892HoRaTYe9m8WFmTJ0ZWbZs7oaNa1dE17wjzpLWsPecHfEb3f1pZMJbXTFh6szcwlVKYyWKbHrQc2VwFNcwicob3NjL+nol6VepvusPxRE2EihvCjJsVaxG9fr7W3M09U12UqfHMcWNUxU0JPlXZ/zzBF/W60bf4c6C6eyf9og1usnRyhBSrDlmIHh0eADKGBKfvBPuET54agXVA4eDr7d3rHqm3ynHIKz7sGec1bSSAzD8+I5v90q6FDAdSPsTP8R3c1JwHiyIQypKy5rpIdAwizdNx8NrtENbyPuZcbEmI8W/34h/ixdw7BL9qTMO1Wn0P16SP5Ykqbl+jBdIzr3BGrl/CondDb2eYjIM5Dco4A2ZK9POv1/SPpS3zaJ571TPK5De6GZFRFV0k0haMBCfDQOK23bbtv/cTnJ1ux9P3+DrHeat1OuCnrvH7pYMBino8vSg6xs3F1m3HAo5kC5Nj1z4MZvbZKnI= X-Forefront-Antispam-Report: CIP:199.43.4.23;CTRY:US;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:rmmaillnx1.cadence.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(4636009)(346002)(396003)(376002)(39860400002)(136003)(36092001)(46966005)(70586007)(82740400003)(36756003)(186003)(26005)(316002)(70206006)(42186006)(36906005)(6666004)(336012)(54906003)(4326008)(110136005)(2616005)(426003)(478600001)(8936002)(356005)(83380400001)(47076004)(81166007)(82310400003)(8676002)(2906002)(5660300002)(86362001);DIR:OUT;SFP:1101; X-OriginatorOrg: cadence.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 17 Sep 2020 07:30:50.4741 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: b58439cb-5f16-47c5-9df6-08d85adb9a44 X-MS-Exchange-CrossTenant-Id: d36035c5-6ce6-4662-a3dc-e762e61ae4c9 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=d36035c5-6ce6-4662-a3dc-e762e61ae4c9;Ip=[199.43.4.23];Helo=[rmmaillnx1.cadence.com] X-MS-Exchange-CrossTenant-AuthSource: DM6NAM12FT067.eop-nam12.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BL0PR07MB3892 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.235,18.0.687 definitions=2020-09-17_03:2020-09-16,2020-09-17 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_check_notspam policy=outbound_check score=0 malwarescore=0 bulkscore=0 spamscore=0 mlxlogscore=890 phishscore=0 lowpriorityscore=0 clxscore=1015 priorityscore=1501 suspectscore=0 adultscore=0 impostorscore=0 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2006250000 definitions=main-2009170054 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Add support for PHY APB reset and make it optional. Signed-off-by: Swapnil Jakhade --- drivers/phy/cadence/phy-cadence-torrent.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/drivers/phy/cadence/phy-cadence-torrent.c b/drivers/phy/cadence/phy-cadence-torrent.c index 9e900f389b08..1d0c9bb7cfa0 100644 --- a/drivers/phy/cadence/phy-cadence-torrent.c +++ b/drivers/phy/cadence/phy-cadence-torrent.c @@ -228,6 +228,7 @@ struct cdns_torrent_phy { void __iomem *sd_base; /* SD0801 registers base */ u32 max_bit_rate; /* Maximum link bit rate to use (in Mbps) */ struct reset_control *phy_rst; + struct reset_control *apb_rst; struct device *dev; struct clk *clk; unsigned long ref_clk_rate; @@ -1883,6 +1884,13 @@ static int cdns_torrent_phy_probe(struct platform_device *pdev) return PTR_ERR(cdns_phy->phy_rst); } + cdns_phy->apb_rst = devm_reset_control_get_optional(dev, "torrent_apb"); + if (IS_ERR(cdns_phy->apb_rst)) { + dev_err(dev, "%s: failed to get apb reset\n", + dev->of_node->full_name); + return PTR_ERR(cdns_phy->apb_rst); + } + cdns_phy->clk = devm_clk_get(dev, "refclk"); if (IS_ERR(cdns_phy->clk)) { dev_err(dev, "phy ref clock not found\n"); @@ -1907,6 +1915,9 @@ static int cdns_torrent_phy_probe(struct platform_device *pdev) if (ret) return ret; + /* Enable APB */ + reset_control_deassert(cdns_phy->apb_rst); + for_each_available_child_of_node(dev->of_node, child) { struct phy *gphy; @@ -2059,6 +2070,7 @@ static int cdns_torrent_phy_probe(struct platform_device *pdev) for (i = 0; i < node; i++) reset_control_put(cdns_phy->phys[i].lnk_rst); of_node_put(child); + reset_control_assert(cdns_phy->apb_rst); return ret; } @@ -2068,6 +2080,7 @@ static int cdns_torrent_phy_remove(struct platform_device *pdev) int i; reset_control_assert(cdns_phy->phy_rst); + reset_control_assert(cdns_phy->apb_rst); for (i = 0; i < cdns_phy->nsubnodes; i++) { reset_control_assert(cdns_phy->phys[i].lnk_rst); reset_control_put(cdns_phy->phys[i].lnk_rst); -- 2.26.1