From patchwork Wed Jun 5 10:02:15 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Venkatesh Yadav Abbarapu X-Patchwork-Id: 1943782 X-Patchwork-Delegate: marek.vasut@gmail.com Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=amd.com header.i=@amd.com header.a=rsa-sha256 header.s=selector1 header.b=xbwLQgG6; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lists.denx.de (client-ip=85.214.62.61; helo=phobos.denx.de; envelope-from=u-boot-bounces@lists.denx.de; receiver=patchwork.ozlabs.org) Received: from phobos.denx.de (phobos.denx.de [85.214.62.61]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (secp384r1)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4VvNLj3jc5z20PW for ; Wed, 5 Jun 2024 20:02:53 +1000 (AEST) Received: from h2850616.stratoserver.net (localhost [IPv6:::1]) by phobos.denx.de (Postfix) with ESMTP id C680B8837D; Wed, 5 Jun 2024 12:02:40 +0200 (CEST) Authentication-Results: phobos.denx.de; dmarc=pass (p=quarantine dis=none) header.from=amd.com Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=u-boot-bounces@lists.denx.de Authentication-Results: phobos.denx.de; dkim=pass (1024-bit key; unprotected) header.d=amd.com header.i=@amd.com header.b="xbwLQgG6"; dkim-atps=neutral Received: by phobos.denx.de (Postfix, from userid 109) id 719E688252; Wed, 5 Jun 2024 12:02:39 +0200 (CEST) X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on phobos.denx.de X-Spam-Level: X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,SPF_HELO_PASS, SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.2 Received: from NAM10-BN7-obe.outbound.protection.outlook.com (mail-bn7nam10on20627.outbound.protection.outlook.com [IPv6:2a01:111:f403:2009::627]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by phobos.denx.de (Postfix) with ESMTPS id 57B2688315 for ; Wed, 5 Jun 2024 12:02:37 +0200 (CEST) Authentication-Results: phobos.denx.de; dmarc=pass (p=quarantine dis=none) header.from=amd.com Authentication-Results: phobos.denx.de; spf=fail smtp.mailfrom=venkatesh.abbarapu@amd.com ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=CBt2yTVq7NiNFpN42ZV0S6RKgbFbSZX8N/6WFTLlm/rRClOwMwfh61zd6HzJ0A49TFTgywqO4rR+wlsPIV//pYszcz/fFoIC+oAlM4ZFok0Af8WP8EfdduwGepNNpGLXyfAFpe4UJ+zyRidYlx3T8rcghcBIqJPo3zw728du14TDTo3/SWrHXlCGzkTRtWx8aeuLvcTek3W7t2tiFQ7MikbqJJYtG+gpezfZPGEN/UZffb0KzNPRY4sTwwOijFPs+0V+lItIg0Zaaz0VxMs4xm4IXJ8bN+G2824Bmqg5BmySkW2bvF3j2lacGZJRP2NSJIOnibfMgP/pCXGPjeJTPQ== 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=AO0Idt3xxU4CrEo/SYvg0GgOAFC8r2KIu9K5trax6tE=; b=j6GZXXqN3zKd8/BxDj28Rgr/bP+4zAvtWqTjiqLVs1miQLhQb1jfGIbVfzvY/W+6qfMt9iCF+0sDBQRL4nlVkUqQ6dkhuWYH20IpBqe8QtZXWpirPCLZ6ZCK7/6RfjiTEAsmmQtB6LXzn9K4ZlUHSOpSR/tWM51Hh+eu7xbxCC1oTj3MiSgFic2vtusQEyPcZYiSSW9Da0aSeSnVVah4RMXZ1E2EwqK9jeWO2ItoFxAfw27wTZ5n/inzJby3y0tBuSXnAT9gNSVSXCla9bffq2mUi1m98j81qqK2I/hb8TCDvSWZRir/F0kC4rQXpKA3RcA8WrdQIynoRC/xJSj+2Q== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 165.204.84.17) smtp.rcpttodomain=lists.denx.de smtp.mailfrom=amd.com; dmarc=pass (p=quarantine sp=quarantine pct=100) action=none header.from=amd.com; dkim=none (message not signed); arc=none (0) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amd.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=AO0Idt3xxU4CrEo/SYvg0GgOAFC8r2KIu9K5trax6tE=; b=xbwLQgG6//amLxfHBPIwqw+f8k4KI1A4XPb4T7ExNo3aVLcVjWe1+7G3e2ZhOdjV8D48C97GkvTRg6YnN7fbl4CtxGtwm8++94LHOtqWOPm2m/p1hk4023pBjhW4iXNDIMdrfD7d4N2o9LeRUNsTw/iRYPI2CCFMXc1Kt11geaA= Received: from DS7PR03CA0196.namprd03.prod.outlook.com (2603:10b6:5:3b6::21) by SN7PR12MB7883.namprd12.prod.outlook.com (2603:10b6:806:32b::9) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7633.25; Wed, 5 Jun 2024 10:02:33 +0000 Received: from DS2PEPF0000343F.namprd02.prod.outlook.com (2603:10b6:5:3b6:cafe::cb) by DS7PR03CA0196.outlook.office365.com (2603:10b6:5:3b6::21) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7656.16 via Frontend Transport; Wed, 5 Jun 2024 10:02:33 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 165.204.84.17) smtp.mailfrom=amd.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=amd.com; Received-SPF: Pass (protection.outlook.com: domain of amd.com designates 165.204.84.17 as permitted sender) receiver=protection.outlook.com; client-ip=165.204.84.17; helo=SATLEXMB03.amd.com; pr=C Received: from SATLEXMB03.amd.com (165.204.84.17) by DS2PEPF0000343F.mail.protection.outlook.com (10.167.18.42) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.7633.15 via Frontend Transport; Wed, 5 Jun 2024 10:02:33 +0000 Received: from SATLEXMB06.amd.com (10.181.40.147) by SATLEXMB03.amd.com (10.181.40.144) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.35; Wed, 5 Jun 2024 05:02:32 -0500 Received: from SATLEXMB03.amd.com (10.181.40.144) by SATLEXMB06.amd.com (10.181.40.147) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.35; Wed, 5 Jun 2024 05:02:32 -0500 Received: from xhdvabbarap40.xilinx.com (10.180.168.240) by SATLEXMB03.amd.com (10.181.40.144) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.35 via Frontend Transport; Wed, 5 Jun 2024 05:02:30 -0500 From: Venkatesh Yadav Abbarapu To: CC: , , , Subject: [PATCH 1/7] usb: onboard-hub: Add reset-gpio support Date: Wed, 5 Jun 2024 15:32:15 +0530 Message-ID: <20240605100221.3571-2-venkatesh.abbarapu@amd.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20240605100221.3571-1-venkatesh.abbarapu@amd.com> References: <20240605100221.3571-1-venkatesh.abbarapu@amd.com> MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DS2PEPF0000343F:EE_|SN7PR12MB7883:EE_ X-MS-Office365-Filtering-Correlation-Id: 92b4f91b-5961-4533-66e9-08dc85469e96 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; ARA:13230031|1800799015|376005|36860700004|82310400017; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:165.204.84.17; CTRY:US; LANG:en; SCL:1; SRV:; IPV:CAL; SFV:NSPM; H:SATLEXMB03.amd.com; PTR:InfoDomainNonexistent; CAT:NONE; SFS:(13230031)(1800799015)(376005)(36860700004)(82310400017); DIR:OUT; SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 05 Jun 2024 10:02:33.3692 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 92b4f91b-5961-4533-66e9-08dc85469e96 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d; Ip=[165.204.84.17]; Helo=[SATLEXMB03.amd.com] X-MS-Exchange-CrossTenant-AuthSource: DS2PEPF0000343F.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SN7PR12MB7883 X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.39 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.8 at phobos.denx.de X-Virus-Status: Clean As part of the reset, sets the direction of the pin to output before toggling the pin. Delay of millisecond is added in between low and high to meet the setup and hold time requirement of the reset. Signed-off-by: Venkatesh Yadav Abbarapu --- common/usb_onboard_hub.c | 44 +++++++++++++++++++++++++++++++++++++--- 1 file changed, 41 insertions(+), 3 deletions(-) diff --git a/common/usb_onboard_hub.c b/common/usb_onboard_hub.c index 89e18a2ddad..2f6fb71935d 100644 --- a/common/usb_onboard_hub.c +++ b/common/usb_onboard_hub.c @@ -7,17 +7,26 @@ * Mostly inspired by Linux kernel v6.1 onboard_usb_hub driver */ +#include #include #include #include +#include #include struct onboard_hub { struct udevice *vdd; + struct gpio_desc *reset_gpio; +}; + +struct onboard_hub_data { + unsigned long reset_us; }; static int usb_onboard_hub_probe(struct udevice *dev) { + struct onboard_hub_data *data = + (struct onboard_hub_data *)dev_get_driver_data(dev); struct onboard_hub *hub = dev_get_priv(dev); int ret; @@ -31,7 +40,24 @@ static int usb_onboard_hub_probe(struct udevice *dev) if (ret) dev_err(dev, "can't enable vdd-supply: %d\n", ret); - return ret; + hub->reset_gpio = devm_gpiod_get_optional(dev, "reset", + GPIOD_IS_OUT | GPIOD_ACTIVE_LOW); + /* property is optional, don't return error! */ + if (hub->reset_gpio) { + ret = dm_gpio_set_value(hub->reset_gpio, 1); + if (ret) + return ret; + + udelay(data->reset_us); + + ret = dm_gpio_set_value(hub->reset_gpio, 0); + if (ret) + return ret; + + udelay(data->reset_us); + } + + return 0; } static int usb_onboard_hub_remove(struct udevice *dev) @@ -39,6 +65,12 @@ static int usb_onboard_hub_remove(struct udevice *dev) struct onboard_hub *hub = dev_get_priv(dev); int ret; + if (hub->reset_gpio) { + struct gpio_desc *hub_reset_gpio = hub->reset_gpio; + + dm_gpio_free(hub_reset_gpio->dev, hub_reset_gpio); + } + ret = regulator_set_enable_if_allowed(hub->vdd, false); if (ret) dev_err(dev, "can't disable vdd-supply: %d\n", ret); @@ -46,10 +78,16 @@ static int usb_onboard_hub_remove(struct udevice *dev) return ret; } +static const struct onboard_hub_data usb2514_data = { + /* TBD */ +}; + static const struct udevice_id usb_onboard_hub_ids[] = { /* Use generic usbVID,PID dt-bindings (usb-device.yaml) */ - { .compatible = "usb424,2514" }, /* USB2514B USB 2.0 */ - { } + { + .compatible = "usb424,2514", /* USB2514B USB 2.0 */ + .data = (ulong)&usb2514_data, + } }; U_BOOT_DRIVER(usb_onboard_hub) = {