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 73BE0C4828F for ; Fri, 9 Feb 2024 13:02:38 +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: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:In-Reply-To:References: List-Owner; bh=qnejjigpk4YW3mMZblb6WQbQI9AtER0bxgFyrLiuaV8=; b=Yx2VQrVl5XYwzw 4bU/PI9Lfh4lBMzVmwQ1zPUutm+3aaoVcP7J/HORcaGUrH+g3Mj4c5Z1JLfAQ27jtJEIur0yMKQi3 4WHs4iyXxBHlnY4Yg/CFfCfS7NrXnGSNu3Fef976BEjWQBHxJqa7Gml88nnXir2NxWNMnawTepO0y tb4cVMLBnRZS3/qM33LU+057K6xa2M6UJL2c2jflBrMxOx56GH5+njdfbtCK4x937DehkkSQ0VncF EQmHNgRGZ1VwNTXd2caaF1gdeeukkC1fWdldgIc0hhwLV7Q89ZtK19V28250Sog/rc+/DXHB8sl54 jO+3qUwxa7RnmlUdCDSg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1rYQWQ-0000000H0bk-0Y2X; Fri, 09 Feb 2024 13:02:26 +0000 Received: from mail-ed1-x531.google.com ([2a00:1450:4864:20::531]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1rYQWM-0000000H0ZW-1ZQ5 for linux-arm-kernel@lists.infradead.org; Fri, 09 Feb 2024 13:02:24 +0000 Received: by mail-ed1-x531.google.com with SMTP id 4fb4d7f45d1cf-5600d950442so1180705a12.1 for ; Fri, 09 Feb 2024 05:02:20 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1707483739; x=1708088539; darn=lists.infradead.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=koBRC2vHC5l/EMfPG8n4Eafgz25Uj1Kl9qaBZCE0qYo=; b=HnototLfSXIFQwXTRSSW+/sBRzlvgefLdCipb5iykVB529P2o3Sd5BwEoJ1Oqp9ETv GbziMxlYG4+T2gAE9jeRbvdFEcCuyeINvzZUOMlXSLE/nAiyUePbyXsLNZ6AczBKk1ME PMvFq5ACr3Q3sIzah1RgnBhLpe/xE99pIaq8g3hbICWO4YPFWON3vuO+79XxQ42JUQpO Xy0SwRACtZMC7NiAWrxKw4NF/e2kY31FAsWrTI5prHMraFgq8z8bRXUy4NXlbAo7dM1p N6uXzHz0AP+NaAgduGNIaaVICWJuXh9TIkqvaMb17b1XqQklgBOauGFiXAq5xENyzwdf 8dHw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1707483739; x=1708088539; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=koBRC2vHC5l/EMfPG8n4Eafgz25Uj1Kl9qaBZCE0qYo=; b=lnXiU4RvVHCbjBv/1cg7+MY2e7Ur0vJFaCmFsDjx2QN24p03o6HQpHmJpDDLeDddPw jQrLUfix+kH8et8ahDIKyJZnW7gQO1Rd7anDov7zZH9gB88NsokxH7ZHL8VGX/1Rhsqk FTFK10PPNcpV/O8vLKj9SCrB26dmcUMgngq1VRJQ/4XEuA8T/30MtKfLwKc564UeiLQT EvHmAABhXfoqlEyR7i6FzvI2NNe6h0B8S3wChkXdz8UzIyiw5YQdFzkGGbWKDuElzhim E+z0iLmbe1X/YBZkqkwNRYF1rpyRNssabta1wvhwboGvO10MYwkQ7rM3ecqFsbrmK25U Ki0g== X-Gm-Message-State: AOJu0YxX8wXkJw+8wl5e17iPjhlXaqtk1DYDdpwMvUt+Id0f35XWlZHR zMZOg03MajmNNMls5FbzlKVjwKFeTTenCaoo6KImZNA8w85+IL9M X-Google-Smtp-Source: AGHT+IFuPQHSbzt6oeQqfhwFVQoPrPesdZt5WdUR7R3AyvlDILYvAsz2l1wsPMzQy1qLJsbf48VnVw== X-Received: by 2002:aa7:c383:0:b0:560:1c3:e23d with SMTP id k3-20020aa7c383000000b0056001c3e23dmr1399589edq.16.1707483738921; Fri, 09 Feb 2024 05:02:18 -0800 (PST) X-Forwarded-Encrypted: i=1; AJvYcCVGtS6HRK/ROjy/1bVrzVpSvSAsxwnTnINr6ZtXSzRGUOxQDaOfXe12gV82LEdhRk86I2d4bcrBc6QAOSyUxezVaPZuxIpTLrXmMk6HGZKSXEvnUhSZrT8GtUWflhOAdb7lFuCU+kTiLHlB5ivCoDooj0mzBCPEP2hwzE8qXDsdnkFXHMKQwsTeeEtr4nJBK+BxdhsKZyD1xEzpANrrVUU9vXU4EhY2BBb+BeldmPJ4xCmerSU+aAbd+DISOMmewCxHTdlji3FBpIOUrB3ThrHlyM55DiQ9OCSn66+gDYSfdiqSNP2mdRN/VvXZRqKuP1cXmLfp3mVsnZSnVFmzFP+fbrnYfgkL4mwfLtb9CqUU6mc5yWQpP46g5D1nIAKCBakkwvZdsRIEtSU= Received: from andrejs-nb.int.toradex.com (77-59-154-235.dclient.hispeed.ch. [77.59.154.235]) by smtp.gmail.com with ESMTPSA id t2-20020aa7d702000000b0056038077ffasm756130edq.38.2024.02.09.05.02.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 09 Feb 2024 05:02:18 -0800 (PST) From: Andrejs Cainikovs To: Nishanth Menon , Vignesh Raghavendra , Tero Kristo , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Aswath Govindraju , Sjoerd Simons Cc: Andrejs Cainikovs , linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v1] arm64: dts: ti: k3-am62-main: disable usb lpm Date: Fri, 9 Feb 2024 14:02:12 +0100 Message-Id: <20240209130213.38908-1-andrejs.cainikovs@gmail.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240209_050222_510921_DA09945A X-CRM114-Status: GOOD ( 12.44 ) X-BeenThere: linux-arm-kernel@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-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Andrejs Cainikovs AM62 USB works with some devices, while failing to operate with others. [ 560.189822] xhci-hcd xhci-hcd.4.auto: xHCI Host Controller [ 560.195631] xhci-hcd xhci-hcd.4.auto: new USB bus registered, assigned bus number 2 [ 574.388509] xhci-hcd xhci-hcd.4.auto: can't setup: -110 [ 574.393814] xhci-hcd xhci-hcd.4.auto: USB bus 2 deregistered [ 574.399544] xhci-hcd: probe of xhci-hcd.4.auto failed with error -110 This seems to be related to LPM (Link Power Management), and disabling it turns USB into reliable working state. As per AM62 reference manual: > 4.8.2.1 USB2SS Unsupported Features > > The following features are not supported on this family of devices: > ... > - USB 2.0 ECN: Link Power Management (LPM) > ... Fixes: 2240f96cf3cd ("arm64: dts: ti: k3-am62-main: Add support for USB") Signed-off-by: Andrejs Cainikovs --- arch/arm64/boot/dts/ti/k3-am62-main.dtsi | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/arm64/boot/dts/ti/k3-am62-main.dtsi b/arch/arm64/boot/dts/ti/k3-am62-main.dtsi index 464b7565d085..c49fbce5cb70 100644 --- a/arch/arm64/boot/dts/ti/k3-am62-main.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am62-main.dtsi @@ -640,6 +640,8 @@ usb0: usb@31000000 { interrupt-names = "host", "peripheral"; maximum-speed = "high-speed"; dr_mode = "otg"; + snps,usb2-gadget-lpm-disable; + snps,usb2-lpm-disable; }; }; @@ -663,6 +665,8 @@ usb1: usb@31100000 { interrupt-names = "host", "peripheral"; maximum-speed = "high-speed"; dr_mode = "otg"; + snps,usb2-gadget-lpm-disable; + snps,usb2-lpm-disable; }; }; -- 2.34.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-ed1-f50.google.com (mail-ed1-f50.google.com [209.85.208.50]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B7134376E5; Fri, 9 Feb 2024 13:02:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.208.50 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707483742; cv=none; b=KL0JVbwLNNvqgwUgQUduy4IF9eidK3D6IaS01TVbrQgooSOK0QYIc5oF4OgGqhMbzgRqQcaLMXkq+NGLRYOoO2DdUbXhBvTJnYzNYIxNa1K5V1zg0XB2Y8/8GN4mWUJZEk14Guy83uRS0JodCu6EkcojnMLuHTtZKpMLmSIfy6I= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707483742; c=relaxed/simple; bh=ShrkR1d/+57C+ph4fmfFsBp7stRH/DRbVwhenrS8ZT4=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=cWkoWCEKK1gtffJh6cYG7bqscYjyY0qzCuhNBvyHPUsYKLvIi8p6sP/B5TBIMzn2n5mPI8oi+LIB/Hj3HzByME4RL6KV70MIepvAZmrF6wPBZDhGUuLED+DmuFGJQMydrW+b3RlbAhlguJEplmxhjBb/v4WDRrRP/VNhZ9R+YlM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=CYYxFBJu; arc=none smtp.client-ip=209.85.208.50 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="CYYxFBJu" Received: by mail-ed1-f50.google.com with SMTP id 4fb4d7f45d1cf-55ff5f6a610so1110684a12.3; Fri, 09 Feb 2024 05:02:20 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1707483739; x=1708088539; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=koBRC2vHC5l/EMfPG8n4Eafgz25Uj1Kl9qaBZCE0qYo=; b=CYYxFBJuZRz0E2vaWtmzVJIFBHl2e2FQkLn+/mWNIy3/7wUOFhZ8vkJSvdbgJDdssn B48aVbFNLOVJSTCHUKRC/z68hGPrdBRCu/E0p3MVykNxpUzClYPtCUrSiTxVHdkfB8Fb Yg1UvLSznV+++uFhMRuVlnxgNaJcLJwZdWwZLyVU1vdLVFFSp9S4ql8Kd6vpqtJT9Fvp 8XANhbI/cTCoogISg65+JmncjBJ6q/3OM6gHt2yl74FYF5AQlo1+LOUgxh1c1xNC/ra7 Ui/sFwtJ5qaNiyzBq8tFcr6mHeLnrT0ti3nAiATUByODB8Rc6z7nOY2a6P6wyOyBYQWg 1GwQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1707483739; x=1708088539; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=koBRC2vHC5l/EMfPG8n4Eafgz25Uj1Kl9qaBZCE0qYo=; b=V4nXEMofaAJi7Vo9/iWNm1+KjVukjxxq3wSICHO38yuof1JNEE+mZ4na02yL3CwsgV hpBAZxZBqYnPRDr0CiwX+EVx7uKNkJ17lWNQVZ7MXC/WBkG0OXDmjXK/q3T9f1EPHYws qpn+AHpMdJ9/4l1UImRdRLQ5vTaV/Ef64cJ+rfCJ5O2db3XuruBNGp2m+FoYEeWbrJc2 azReTm31DNvX7bVr2WTIILTN09Bz8lKoQlatgZM5xR5y4OWyF/LIQMsy1bgBLJjlDLsJ etChT59Yvm8nthClhIqh3yBB4xt2cSOENqK2JKxDO+Kwwbxt1SjLXnOEv3f9FDOgh2Y5 1JhA== X-Gm-Message-State: AOJu0YwOfyT0KglF4cr8nkQdv7XqFP2oSG/u4ackwDnjm0O7wK1iisio 8hYBL2PrNLS2sZoOxGGTEYwfra3bL9asYLHg0NSRLThlsOVzpRDs X-Google-Smtp-Source: AGHT+IFuPQHSbzt6oeQqfhwFVQoPrPesdZt5WdUR7R3AyvlDILYvAsz2l1wsPMzQy1qLJsbf48VnVw== X-Received: by 2002:aa7:c383:0:b0:560:1c3:e23d with SMTP id k3-20020aa7c383000000b0056001c3e23dmr1399589edq.16.1707483738921; Fri, 09 Feb 2024 05:02:18 -0800 (PST) X-Forwarded-Encrypted: i=1; AJvYcCVGtS6HRK/ROjy/1bVrzVpSvSAsxwnTnINr6ZtXSzRGUOxQDaOfXe12gV82LEdhRk86I2d4bcrBc6QAOSyUxezVaPZuxIpTLrXmMk6HGZKSXEvnUhSZrT8GtUWflhOAdb7lFuCU+kTiLHlB5ivCoDooj0mzBCPEP2hwzE8qXDsdnkFXHMKQwsTeeEtr4nJBK+BxdhsKZyD1xEzpANrrVUU9vXU4EhY2BBb+BeldmPJ4xCmerSU+aAbd+DISOMmewCxHTdlji3FBpIOUrB3ThrHlyM55DiQ9OCSn66+gDYSfdiqSNP2mdRN/VvXZRqKuP1cXmLfp3mVsnZSnVFmzFP+fbrnYfgkL4mwfLtb9CqUU6mc5yWQpP46g5D1nIAKCBakkwvZdsRIEtSU= Received: from andrejs-nb.int.toradex.com (77-59-154-235.dclient.hispeed.ch. [77.59.154.235]) by smtp.gmail.com with ESMTPSA id t2-20020aa7d702000000b0056038077ffasm756130edq.38.2024.02.09.05.02.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 09 Feb 2024 05:02:18 -0800 (PST) From: Andrejs Cainikovs To: Nishanth Menon , Vignesh Raghavendra , Tero Kristo , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Aswath Govindraju , Sjoerd Simons Cc: Andrejs Cainikovs , linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v1] arm64: dts: ti: k3-am62-main: disable usb lpm Date: Fri, 9 Feb 2024 14:02:12 +0100 Message-Id: <20240209130213.38908-1-andrejs.cainikovs@gmail.com> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Andrejs Cainikovs AM62 USB works with some devices, while failing to operate with others. [ 560.189822] xhci-hcd xhci-hcd.4.auto: xHCI Host Controller [ 560.195631] xhci-hcd xhci-hcd.4.auto: new USB bus registered, assigned bus number 2 [ 574.388509] xhci-hcd xhci-hcd.4.auto: can't setup: -110 [ 574.393814] xhci-hcd xhci-hcd.4.auto: USB bus 2 deregistered [ 574.399544] xhci-hcd: probe of xhci-hcd.4.auto failed with error -110 This seems to be related to LPM (Link Power Management), and disabling it turns USB into reliable working state. As per AM62 reference manual: > 4.8.2.1 USB2SS Unsupported Features > > The following features are not supported on this family of devices: > ... > - USB 2.0 ECN: Link Power Management (LPM) > ... Fixes: 2240f96cf3cd ("arm64: dts: ti: k3-am62-main: Add support for USB") Signed-off-by: Andrejs Cainikovs --- arch/arm64/boot/dts/ti/k3-am62-main.dtsi | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/arm64/boot/dts/ti/k3-am62-main.dtsi b/arch/arm64/boot/dts/ti/k3-am62-main.dtsi index 464b7565d085..c49fbce5cb70 100644 --- a/arch/arm64/boot/dts/ti/k3-am62-main.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am62-main.dtsi @@ -640,6 +640,8 @@ usb0: usb@31000000 { interrupt-names = "host", "peripheral"; maximum-speed = "high-speed"; dr_mode = "otg"; + snps,usb2-gadget-lpm-disable; + snps,usb2-lpm-disable; }; }; @@ -663,6 +665,8 @@ usb1: usb@31100000 { interrupt-names = "host", "peripheral"; maximum-speed = "high-speed"; dr_mode = "otg"; + snps,usb2-gadget-lpm-disable; + snps,usb2-lpm-disable; }; }; -- 2.34.1