From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4CF0E60271; Mon, 26 Feb 2024 12:07:53 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708949273; cv=none; b=mIhvs65bZT0IDxQ7YDjYiHTGeHe+MNuNE65iWJVVc2JdeXHRgiPM5QScgiCDgwknsnjkKluMlUaHCFdrVKyJ1PIjIbLIubmbGfmuSTIkpuUyWQLNfwnwbhh+Ddi1JJzzPfPbVWTbmOYwaP7092F/h1kINDmoKOSP+0GPrb4RIjs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708949273; c=relaxed/simple; bh=yhNQ8J3ezya7MzsJi4oxXaVl6ki5AxSw4uGOVzBJvnE=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=GQqR4LMpov3OcybmoQotpCOBdiygZn8P3MSWx5Ulm5i8eV9ycytyDMSARSkwu121k0C9vGwk2JIyaneCO05d0DFNnVWcSEYbm+WOMog94Edb0CucXOSB5ZvedK0ipWWfGWJblN6MzeTajfLZMYnqz2p/aLqFJFAFE/yaW+OOBR0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=LI3t4JJz; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="LI3t4JJz" Received: by smtp.kernel.org (Postfix) with ESMTPSA id BA94FC433F1; Mon, 26 Feb 2024 12:07:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1708949272; bh=yhNQ8J3ezya7MzsJi4oxXaVl6ki5AxSw4uGOVzBJvnE=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=LI3t4JJzX4NkiH5Mygn0RUawrLduN2S/Kx06qHbK45Vu4TD5W7Y/1JodeZnDUbRPy eit1Lpgfpgj7rQTxUOsmCQNCgpBttNWobQdR+QUBBwGhUe+HmvHmItnpsovn3uCG6E i8KTV9iu0Hve3bzpScOEkaIWnNCNxOhAUOk/akAMobFrutk2+PaEZkZy52u8/114AR Qpu8Os25/MJcEt8sZoIOzszUbert+wP8Lt6zkOsZXvPk2PD7tMZYB6AlYdFyqH8+lq oM3m82QSkPAQbDs+f+4P16dcTz67gga9/lXUb7BuG9/20/MvbD1WAiwW3DvT89ALFo vnN3gwthQ/hog== From: Roger Quadros Date: Mon, 26 Feb 2024 14:03:10 +0200 Subject: [PATCH v6 4/4] arm64: dts: ti: k3-am62a: Disable USB LPM Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20240226-b4-for-v6-5-am62-usb-typec-dt-v6-4-acf77fff4344@kernel.org> References: <20240226-b4-for-v6-5-am62-usb-typec-dt-v6-0-acf77fff4344@kernel.org> In-Reply-To: <20240226-b4-for-v6-5-am62-usb-typec-dt-v6-0-acf77fff4344@kernel.org> To: Lee Jones , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Nishanth Menon , Vignesh Raghavendra , Tero Kristo Cc: Andrew Davis , b-liu@ti.com, srk@ti.com, r-gunasekaran@ti.com, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Roger Quadros X-Mailer: b4 0.12.4 X-Developer-Signature: v=1; a=openpgp-sha256; l=1274; i=rogerq@kernel.org; h=from:subject:message-id; bh=yhNQ8J3ezya7MzsJi4oxXaVl6ki5AxSw4uGOVzBJvnE=; b=owEBbQKS/ZANAwAIAdJaa9O+djCTAcsmYgBl3H8GlZuvs1LgXW2hWF11aIrdETFf5xUjB0qFP WK4Tx3KxN+JAjMEAAEIAB0WIQRBIWXUTJ9SeA+rEFjSWmvTvnYwkwUCZdx/BgAKCRDSWmvTvnYw k3k2EACme9ce01lZ/4fRM5/UQEahEtSPvQwmjFPD/8hiesgzz+rjM8ndty1vc/7Juu8ekFB4GWH 7gt1vzzhAOqsWwPUIO3dMUtGFwrTd5tAbZXikN8Zw+Mg0U5xsBDngTA8WHw/ixAsvf4tbsHum5/ rjZcX6xzdOsVC7v7lrs3LyEY4A0DLU+3KCeRMjFc+PLehnHWV/mhTjgI7IfNw7SMZSdB3x+NOf5 KurQxbSKOJyVNPqp8mMEeMQF+HIBF+8XToleMSYAyfKyC2TiliyEjOxfEkPHoQZN3anAzTCLYLZ Lfo6OZNHGz/PKPGMNcP6w1YpFpE0ms6hXNrKnu/elkhilTJQ89eA6Ynw5/XOM7eTVeFwcsIgDCa UTKGybEzf310tpOKMzZExM19PBH0UQKv+og17VxUMBBIirAYLhF9VWVrRhK6Zmzs7rAe+Rsx0Xe fZrSeeR7FG92cJH/ViN/aYJMm1qetJqEPlMjbju7caG99P5/4j3qz89b2zZG4cgORDPE48TyDbQ qzcfvbnQx9qcXwhvodLQUwK0PJrSpOE83UYpP80LPsho7Wcm2XpbGkPPq4HQRsxbaC2fQ1vZpsW Q51LWOmOjb3lUX14EuR8SbcGafdBWnLjzRQ6otHv9k5WRkl/y4EXReCBf8iSS4S6SMXHiw28sgY DOB9/PbpUNQwd+Q== X-Developer-Key: i=rogerq@kernel.org; a=openpgp; fpr=412165D44C9F52780FAB1058D25A6BD3BE763093 As per AM62A TRM [1] USB Link Power Management (LPM) feature is not supported. Disable it else it may cause enumeration failure on some devices. > 4.9.2.1 USB2SS Unsupported Features > The following features are not supported on this family of devices: > ... > - USB 2.0 ECN: Link Power Management (LPM) > ... [1] - https://www.ti.com/lit/pdf/spruj16 Signed-off-by: Roger Quadros --- Changelog: v6 - Rebased on next-20240226 v5 - new patch --- arch/arm64/boot/dts/ti/k3-am62a-main.dtsi | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/arm64/boot/dts/ti/k3-am62a-main.dtsi b/arch/arm64/boot/dts/ti/k3-am62a-main.dtsi index a158df0d0ba6..adaf578280f9 100644 --- a/arch/arm64/boot/dts/ti/k3-am62a-main.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am62a-main.dtsi @@ -621,6 +621,8 @@ usb0: usb@31000000 { interrupt-names = "host", "peripheral"; maximum-speed = "high-speed"; dr_mode = "otg"; + snps,usb2-gadget-lpm-disable; + snps,usb2-lpm-disable; }; }; @@ -644,6 +646,8 @@ 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