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 B4E3D57306; Fri, 12 Apr 2024 12:02:16 +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=1712923336; cv=none; b=BdGbGCIgpYM0rVhFddvJzFxIokEResCwv8LyifqiIirh0sKrLV43yaIIzknMMooW63f1FNhbtqAEuzsroflWgQiAIv44gY+RZbmpu6PkPR9hH+3X3xbHiDGCsKVRyfnbRHdh3U7IKvwrNRGFHoeI/N4/EZeT9sqeohZkipKIiq4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712923336; c=relaxed/simple; bh=3y8NvuBpN3GpgOBuBXKVR4zS66qIFVgEMZeU4j3UftM=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=i9BPtN5IycPm1wuKXMLt/MuUfRcPMnP5kwm/5iKV4ZMRsPHjsQGbsBmGwBUVFS8NyFCa+avIBsrboiWm/X9Zew4gQlVNvPN+EC3GOq6ozDHf11KhmLkeY11AB/sIdHqaw62v0OI8MxTxXQsivSncAUnEVZ+2hiJ+QMT6lhfXMCw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=PaiTwZtq; 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="PaiTwZtq" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7C99FC113CD; Fri, 12 Apr 2024 12:02:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1712923336; bh=3y8NvuBpN3GpgOBuBXKVR4zS66qIFVgEMZeU4j3UftM=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=PaiTwZtq9AlP3mLK3Jr6OGT4piCSor4fdGvafBJo80qXDOHv2BZGITA5XolZ2Xp9b q0TTnz6hB3tn9ChJzZVtYOjcDXQHkerYJLXgt+C7ilufqdak4pHNyJAlXP1vvlug2C jvnZ2eGvoEfEHzxSzbrc/FVpq7LqD9CntHjrj3b11JeRtQi5sS6sl5qan0+Im5Q1vO 9taklG3Zuvc1jh9AKJX/EXs48jOtgU5eLTVrVMpcaId6UivZrS+UPiBmswzGP8KLtH s8NB//xcl1XQvzDgrFNgQ+VcSYdt8WsvOuX/VOMQSiWBEUVVtofysCeKcNVrvsIWD+ 1+Sgl/YRF24sA== From: Roger Quadros Date: Fri, 12 Apr 2024 15:02:00 +0300 Subject: [PATCH v7 3/3] arm64: dts: ti: k3-am62a: Disable USB LPM Precedence: bulk X-Mailing-List: devicetree@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: <20240412-for-v6-10-am62-usb-typec-dt-v7-3-93b827adf97e@kernel.org> References: <20240412-for-v6-10-am62-usb-typec-dt-v7-0-93b827adf97e@kernel.org> In-Reply-To: <20240412-for-v6-10-am62-usb-typec-dt-v7-0-93b827adf97e@kernel.org> To: Nishanth Menon , Vignesh Raghavendra , Tero Kristo , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: Andrew Davis , b-liu@ti.com, srk@ti.com, r-gunasekaran@ti.com, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Roger Quadros X-Mailer: b4 0.12.4 X-Developer-Signature: v=1; a=openpgp-sha256; l=1300; i=rogerq@kernel.org; h=from:subject:message-id; bh=3y8NvuBpN3GpgOBuBXKVR4zS66qIFVgEMZeU4j3UftM=; b=owEBbQKS/ZANAwAIAdJaa9O+djCTAcsmYgBmGSK6md56hUKdg+S6qCjHbbACODTJaVIUfD96o y34Kc4rE/GJAjMEAAEIAB0WIQRBIWXUTJ9SeA+rEFjSWmvTvnYwkwUCZhkiugAKCRDSWmvTvnYw k7dBEACxOUAiK+miJJPF39Z+KYGn7jWgNCb4uU9cEYH61MYdsfRpGQqAt6lCo+SdtciQ5j833oX Q/mXBbQq8j0/itQHzyJRwQRMRv5SDjeeKjYUMQiP2PePUPo1/lWHBp9QQFgpxHkUyGjVM9pzgp6 nejEYc8YcrH9AwRpTCuTyIg8RoTUVNoz1IDaM+gH2gozlzwsPiEI9P1QHwd8jIlvX+xg4vFxEt7 +fOpKcRG/ss59ZLK4P7jQY4B5F5RUZT+9QcKbDe750eT6W+By+rGNcm6Kgc3opyqtKm77tpB9/t I+aSJXLLGw+W9sd1s4uxpQxOSPblBIe241MiH/BGCI6YE+TP+Vp3ADz9BvXYI+CzIJE3WNqzLJo ofMiqBNDi/ZeJFeyHXoDk4INvTiW/kZgtO/UxQO2DmPQv7zGb9poziiJ5P00W7jTYX6d86LPZCX +xU5Jf+7133QvACKcsZKfHRYCr/8RADxm7HnJuoajv4IdIyHydMrGcksIc6UM53c9hu+S6+LUc1 lOUtZLYrnnZXyPB4zVgaRqH+LyMRhu9BABs0LEa+70l1xBrAwccrE8z3p34Xqnuax4AUYUDgslN /lSWERiWZoPywtL1v6gTpgsdunoUO4RlOK/8W0gyKHb+MpJEdW4cy5wll8MuDYbLTyzOfbec3se QLA1m0yEU2Kqjdw== 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: v7 - Rebased to v6.9-rc1 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