From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 8B96B2236EB; Mon, 12 Oct 2026 13:31:13 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791811874; cv=none; b=i0aAzidVxxECfwdYL1XPejreux73ZdSP9NqaYH6SbFc3gMYSWQFgwk5MTIzuXR+laqspI2M263lmaE81/lktkZCRJ3n3b+lAG0N3aI7PvxJpr4EXfmhlu6GjNJ2sEO+/eIN4A3/4olewIfcX15q9F9dBOpbWehUE4NWfUBE2TMc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791811874; c=relaxed/simple; bh=L2uLxyB3nbNDBuHEA/c3SqoL0AMTNNZp2OfW4DIyBTQ=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=DrF2Xywnn+f6rS0th0RRmkXF4cAFh/v7j21jWr+Tyxhz4+7vosSODiKBwWi7+cAA6mLJklCdWYnTuCyAePcl1i4UBQvb6ImJfNellYIHV1GRTnK+ZbmtK3mzqKYjW6T1ZjFPxYrVi8OHYRlXbGpH0hp44Edn5JQ74Yr1/XFioJU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=jfLaY0a7; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="jfLaY0a7" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1D22C1F0089C; Mon, 12 Oct 2026 13:31:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1791811873; bh=OEzznKh6oLdoefji5VBpYZZ7u0kzvlI25oWj2c5cmaM=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=jfLaY0a715YYyBz4Y8FEUdgaEJIlN0Carx6fiA/1cAfkcN1PomZuh8+OIxQlyjkl4 FBb0wE8uX0zmWGx1/ZUt3GVJgTDjhk2h4OrU1gAYeU2rLDE20YmzOGhvi2ds1wT4Er p28i4cqyKZwF+35+Syn+6NYZ8BjndTFMLAirDda9IHdiKoL0S3bP3iXqbmE0eTsTqU LQqyn1wEZmvvMBkCqvF0PYHG0CxVERr1XWyPz7l5fNZ/KjqtuMvA9+L5AlnFgx2Egc BhD3m+ZZ+ZzcfBC07l47VBz+pfN4DOfIRgyhTUQUv6t3ZHf58AehjcQuz/Gi8VbSB9 +fQ5QC35qMxDQ== Date: Mon, 12 Oct 2026 19:01:03 +0530 From: Manivannan Sadhasivam To: Krishna Kurapati Cc: Vinod Koul , Neil Armstrong , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Thinh Nguyen , Greg Kroah-Hartman , linux-phy@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-usb@vger.kernel.org, Krzysztof Kozlowski Subject: Re: [PATCH v7 0/5] Modify interrupt handling for eUSB2 Phy targets Message-ID: References: <20260905-eusb2-interrupt-v7-v7-0-820cf5377a70@oss.qualcomm.com> 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-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20260905-eusb2-interrupt-v7-v7-0-820cf5377a70@oss.qualcomm.com> On Sat, Sep 05, 2026 at 08:59:04PM +0530, Krishna Kurapati wrote: > eUSB2 targets handle wakeup interrupts differently depending on device > speed when operating in host mode. > > According to the eUSB2 specification, remote wakeup signaling in host > mode is detected via different data-line assertions based on the > connected device speed. > > When a low-speed device is connected, the host repeater drives eD+ to > logic '1' upon detecting a K-state on the USB lines during remote wakeup > (eUSB2 specification, Section 5.5.14). > > When a full-speed or high-speed device is connected, the host repeater > drives eD- to logic '1' upon detecting a K-state on the USB line during > remote wakeup (eUSB2 specification, Sections 5.5.15 and 5.5.18). > > Since the eUSB2 PHY's "DP" and "DM" interrupt lines monitor the eD+ and > eD- line states, configure the wakeup interrupts accordingly > > Add support for a new phy "type" attribute to be set by eusb2 phy drivers > and be read by consumers (in this case usb controller) and act accordingly > > Changes pushed on top of usb-testing branch. And v7 is only compile tested. > I believe the merge strategy is to merge all the patches through PHY tree. If anyone feel otherwise, please yell at me. - Mani -- மணிவண்ணன் சதாசிவம்