From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx.treblig.org (mx.treblig.org [46.235.229.95]) (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 71A101E531; Sun, 19 Jul 2026 01:16:01 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=46.235.229.95 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784423764; cv=none; b=qmLfqB4kWWsnBkPmtZUmRwq2nyEmI5AKCESpKftj72fDC9FW9DG2uXC9P9VuvYvTsK5acRTO4JmodW+aZ8TmYX6JqZBsee3cmvanZL9yiWhGjis+GwIJpl/mIG6H/IrGzdrCzyRwQ2CR5kX+X7IbyQyWll9S4PUbIYzryKEqGE0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784423764; c=relaxed/simple; bh=B9+TpBYL0G9iJ+hbhyw0XaON05DzZzEFdjl5u4MaSrg=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=P24qnLLLUBaiqqEsImDMdN3PQ3W94s4wXEf9bjKsnDZA14Yv7UsEQXWwA5S2vY24Sa9Ke8Tq00TCu96uCoWgtvjwMB/EuV8pcVtGlLDNuHHf53e3NuNKiMeX0dSExJdOws8Kq+BMqxDT0eFUsa5FTusw5LGzrcynTqTAfgptRbI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=treblig.org; spf=pass smtp.mailfrom=treblig.org; dkim=pass (2048-bit key) header.d=treblig.org header.i=@treblig.org header.b=hYzDv1Mi; arc=none smtp.client-ip=46.235.229.95 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=treblig.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=treblig.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=treblig.org header.i=@treblig.org header.b="hYzDv1Mi" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=treblig.org ; s=bytemarkmx; h=Content-Type:MIME-Version:Message-ID:Subject:From:Date:From :Subject; bh=mxTKypsuc0BRoNLTq+43Llcx+hudMm0+ljB+zeaM/Vo=; b=hYzDv1Mi4QSCY6e8 ZJcnyHwdFb0dP1jkOUkVxecV1VZ4NHJw6GaegAxmlt9diyYXSI17Pci1K9oc+6tgvZXCEIxeLhEBj whR+TdVSMT489aUUPXQDDz0YwAh8UD9ccNR9/lMQ8JlCsSkic1cICML5j+lvrejG2YeuwQCkJnHLB FTclQd73bwS3b5GIPdI1wmmJCmvTVU2CCVitpzQ/4LF6BFqLRuXqkhsRJCgBI9zTaQQJVAYN2V0nb C43LHcKw+qTJuxwe5N8AgGkvANY6Pz2Xe7nHoEq9Re4kzh6DmSmhUj9YbnXdMTwqKzj2YfrElzjsF Gar/6j9jIzXtLiLJIg==; Received: from dg by mx.treblig.org with local (Exim 4.98.2) (envelope-from ) id 1wlG8M-00000003ZUy-11c8; Sun, 19 Jul 2026 01:15:58 +0000 Date: Sun, 19 Jul 2026 01:15:58 +0000 From: "Dr. David Alan Gilbert" To: jens.glathe@oldschoolsolutions.biz Cc: Greg Kroah-Hartman , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Abel Vesa , Heikki Krogerus , Bjorn Andersson , Konrad Dybcio , linux-usb@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, stable@vger.kernel.org Subject: Re: [PATCH 5/5] arm64: dts: qcom: x1: disable ps883x USB4 capability Message-ID: References: <20260718-ps883x-disable-usb4-v1-0-cec86d0b909e@oldschoolsolutions.biz> <20260718-ps883x-disable-usb4-v1-5-cec86d0b909e@oldschoolsolutions.biz> Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline In-Reply-To: <20260718-ps883x-disable-usb4-v1-5-cec86d0b909e@oldschoolsolutions.biz> X-Chocolate: 70 percent or better cocoa solids preferably X-Operating-System: Linux/6.12.95+deb13-amd64 (x86_64) X-Uptime: 01:15:21 up 13 days, 56 min, 3 users, load average: 0.00, 0.00, 0.00 User-Agent: Mutt/2.2.13 (2024-03-09) * Jens Glathe via B4 Relay (devnull+jens.glathe.oldschoolsolutions.biz@kernel.org) wrote: > From: Jens Glathe > > Add the "parade,disable-usb4" property to the PS883x node so that the > retimer driver treats USB4 as USB3. This allows the combo PHY to remain > in a DP-capable mode, restoring working DisplayPort output over the > dock while keeping USB functional. > > This is a temporary platform workaround until proper USB4 DP tunneling > support is available. > > Signed-off-by: Jens Glathe Tested-by: Dr. David Alan Gilbert on zenbook a14 with tb cable > --- > arch/arm64/boot/dts/qcom/hamoa-iot-evk.dts | 4 ++++ > arch/arm64/boot/dts/qcom/hamoa-lenovo-ideacentre-mini-01q8x10.dts | 2 ++ > arch/arm64/boot/dts/qcom/purwa-iot-evk.dts | 6 ++++++ > arch/arm64/boot/dts/qcom/x1-asus-vivobook-s15.dtsi | 4 ++++ > arch/arm64/boot/dts/qcom/x1-asus-zenbook-a14.dtsi | 4 ++++ > arch/arm64/boot/dts/qcom/x1-crd.dtsi | 6 ++++++ > arch/arm64/boot/dts/qcom/x1-dell-thena.dtsi | 4 ++++ > arch/arm64/boot/dts/qcom/x1-hp-omnibook-x14.dtsi | 2 ++ > arch/arm64/boot/dts/qcom/x1-microsoft-denali.dtsi | 4 ++++ > arch/arm64/boot/dts/qcom/x1e001de-devkit.dts | 6 ++++++ > arch/arm64/boot/dts/qcom/x1e78100-lenovo-thinkpad-t14s.dtsi | 4 ++++ > arch/arm64/boot/dts/qcom/x1e80100-dell-xps13-9345.dts | 4 ++++ > arch/arm64/boot/dts/qcom/x1e80100-lenovo-yoga-slim7x.dts | 6 ++++++ > arch/arm64/boot/dts/qcom/x1e80100-medion-sprchrgd-14-s1.dts | 2 ++ > arch/arm64/boot/dts/qcom/x1e80100-microsoft-romulus.dtsi | 4 ++++ > 15 files changed, 62 insertions(+) > > diff --git a/arch/arm64/boot/dts/qcom/hamoa-iot-evk.dts b/arch/arm64/boot/dts/qcom/hamoa-iot-evk.dts > index 9fa86bb6438ec..5ec77c5912f8e 100644 > --- a/arch/arm64/boot/dts/qcom/hamoa-iot-evk.dts > +++ b/arch/arm64/boot/dts/qcom/hamoa-iot-evk.dts > @@ -762,6 +762,8 @@ typec-mux@8 { > orientation-switch; > retimer-switch; > > + parade,disable-usb4; > + > ports { > #address-cells = <1>; > #size-cells = <0>; > @@ -877,6 +879,8 @@ typec-mux@8 { > retimer-switch; > orientation-switch; > > + parade,disable-usb4; > + > ports { > #address-cells = <1>; > #size-cells = <0>; > diff --git a/arch/arm64/boot/dts/qcom/hamoa-lenovo-ideacentre-mini-01q8x10.dts b/arch/arm64/boot/dts/qcom/hamoa-lenovo-ideacentre-mini-01q8x10.dts > index bfb7cea56df96..328a360843f4c 100644 > --- a/arch/arm64/boot/dts/qcom/hamoa-lenovo-ideacentre-mini-01q8x10.dts > +++ b/arch/arm64/boot/dts/qcom/hamoa-lenovo-ideacentre-mini-01q8x10.dts > @@ -601,6 +601,8 @@ typec-mux@8 { > retimer-switch; > orientation-switch; > > + parade,disable-usb4; > + > ports { > #address-cells = <1>; > #size-cells = <0>; > diff --git a/arch/arm64/boot/dts/qcom/purwa-iot-evk.dts b/arch/arm64/boot/dts/qcom/purwa-iot-evk.dts > index ad503beec1d3d..9ce080b9ae896 100644 > --- a/arch/arm64/boot/dts/qcom/purwa-iot-evk.dts > +++ b/arch/arm64/boot/dts/qcom/purwa-iot-evk.dts > @@ -703,6 +703,8 @@ typec-mux@8 { > orientation-switch; > retimer-switch; > > + parade,disable-usb4; > + > ports { > #address-cells = <1>; > #size-cells = <0>; > @@ -760,6 +762,8 @@ typec-mux@8 { > retimer-switch; > orientation-switch; > > + parade,disable-usb4; > + > ports { > #address-cells = <1>; > #size-cells = <0>; > @@ -865,6 +869,8 @@ typec-mux@8 { > retimer-switch; > orientation-switch; > > + parade,disable-usb4; > + > ports { > #address-cells = <1>; > #size-cells = <0>; > diff --git a/arch/arm64/boot/dts/qcom/x1-asus-vivobook-s15.dtsi b/arch/arm64/boot/dts/qcom/x1-asus-vivobook-s15.dtsi > index 48c4ad648354e..d67ded1da5875 100644 > --- a/arch/arm64/boot/dts/qcom/x1-asus-vivobook-s15.dtsi > +++ b/arch/arm64/boot/dts/qcom/x1-asus-vivobook-s15.dtsi > @@ -678,6 +678,8 @@ typec-mux@8 { > orientation-switch; > retimer-switch; > > + parade,disable-usb4; > + > ports { > #address-cells = <1>; > #size-cells = <0>; > @@ -798,6 +800,8 @@ typec-mux@8 { > retimer-switch; > orientation-switch; > > + parade,disable-usb4; > + > ports { > #address-cells = <1>; > #size-cells = <0>; > diff --git a/arch/arm64/boot/dts/qcom/x1-asus-zenbook-a14.dtsi b/arch/arm64/boot/dts/qcom/x1-asus-zenbook-a14.dtsi > index 66d566808f583..e1033d3bef359 100644 > --- a/arch/arm64/boot/dts/qcom/x1-asus-zenbook-a14.dtsi > +++ b/arch/arm64/boot/dts/qcom/x1-asus-zenbook-a14.dtsi > @@ -845,6 +845,8 @@ typec-mux@8 { > retimer-switch; > orientation-switch; > > + parade,disable-usb4; > + > ports { > #address-cells = <1>; > #size-cells = <0>; > @@ -945,6 +947,8 @@ typec-mux@8 { > retimer-switch; > orientation-switch; > > + parade,disable-usb4; > + > ports { > #address-cells = <1>; > #size-cells = <0>; > diff --git a/arch/arm64/boot/dts/qcom/x1-crd.dtsi b/arch/arm64/boot/dts/qcom/x1-crd.dtsi > index 9602d65c8b3db..002a974c88751 100644 > --- a/arch/arm64/boot/dts/qcom/x1-crd.dtsi > +++ b/arch/arm64/boot/dts/qcom/x1-crd.dtsi > @@ -967,6 +967,8 @@ typec-mux@8 { > orientation-switch; > retimer-switch; > > + parade,disable-usb4; > + > ports { > #address-cells = <1>; > #size-cells = <0>; > @@ -1024,6 +1026,8 @@ typec-mux@8 { > retimer-switch; > orientation-switch; > > + parade,disable-usb4; > + > ports { > #address-cells = <1>; > #size-cells = <0>; > @@ -1112,6 +1116,8 @@ typec-mux@8 { > retimer-switch; > orientation-switch; > > + parade,disable-usb4; > + > ports { > #address-cells = <1>; > #size-cells = <0>; > diff --git a/arch/arm64/boot/dts/qcom/x1-dell-thena.dtsi b/arch/arm64/boot/dts/qcom/x1-dell-thena.dtsi > index d6de4da02dcd3..fa17cdafc07b4 100644 > --- a/arch/arm64/boot/dts/qcom/x1-dell-thena.dtsi > +++ b/arch/arm64/boot/dts/qcom/x1-dell-thena.dtsi > @@ -852,6 +852,8 @@ typec-mux@8 { > retimer-switch; > orientation-switch; > > + parade,disable-usb4; > + > ports { > #address-cells = <1>; > #size-cells = <0>; > @@ -947,6 +949,8 @@ typec-mux@8 { > retimer-switch; > orientation-switch; > > + parade,disable-usb4; > + > ports { > #address-cells = <1>; > #size-cells = <0>; > diff --git a/arch/arm64/boot/dts/qcom/x1-hp-omnibook-x14.dtsi b/arch/arm64/boot/dts/qcom/x1-hp-omnibook-x14.dtsi > index 02708f23a8657..4dd62092b8809 100644 > --- a/arch/arm64/boot/dts/qcom/x1-hp-omnibook-x14.dtsi > +++ b/arch/arm64/boot/dts/qcom/x1-hp-omnibook-x14.dtsi > @@ -917,6 +917,8 @@ typec-mux@8 { > orientation-switch; > retimer-switch; > > + parade,disable-usb4; > + > ports { > #address-cells = <1>; > #size-cells = <0>; > diff --git a/arch/arm64/boot/dts/qcom/x1-microsoft-denali.dtsi b/arch/arm64/boot/dts/qcom/x1-microsoft-denali.dtsi > index 7559557610ed4..1aa075d6eeda5 100644 > --- a/arch/arm64/boot/dts/qcom/x1-microsoft-denali.dtsi > +++ b/arch/arm64/boot/dts/qcom/x1-microsoft-denali.dtsi > @@ -759,6 +759,8 @@ typec-mux@8 { > retimer-switch; > orientation-switch; > > + parade,disable-usb4; > + > ports { > #address-cells = <1>; > #size-cells = <0>; > @@ -822,6 +824,8 @@ typec-mux@8 { > retimer-switch; > orientation-switch; > > + parade,disable-usb4; > + > ports { > #address-cells = <1>; > #size-cells = <0>; > diff --git a/arch/arm64/boot/dts/qcom/x1e001de-devkit.dts b/arch/arm64/boot/dts/qcom/x1e001de-devkit.dts > index 2e38402e2c140..ada5da526634a 100644 > --- a/arch/arm64/boot/dts/qcom/x1e001de-devkit.dts > +++ b/arch/arm64/boot/dts/qcom/x1e001de-devkit.dts > @@ -795,6 +795,8 @@ typec-mux@8 { > orientation-switch; > retimer-switch; > > + parade,disable-usb4; > + > ports { > #address-cells = <1>; > #size-cells = <0>; > @@ -852,6 +854,8 @@ typec-mux@8 { > retimer-switch; > orientation-switch; > > + parade,disable-usb4; > + > ports { > #address-cells = <1>; > #size-cells = <0>; > @@ -943,6 +947,8 @@ typec-mux@8 { > retimer-switch; > orientation-switch; > > + parade,disable-usb4; > + > ports { > #address-cells = <1>; > #size-cells = <0>; > diff --git a/arch/arm64/boot/dts/qcom/x1e78100-lenovo-thinkpad-t14s.dtsi b/arch/arm64/boot/dts/qcom/x1e78100-lenovo-thinkpad-t14s.dtsi > index 5d49df41be02a..c8bfb38c64ad5 100644 > --- a/arch/arm64/boot/dts/qcom/x1e78100-lenovo-thinkpad-t14s.dtsi > +++ b/arch/arm64/boot/dts/qcom/x1e78100-lenovo-thinkpad-t14s.dtsi > @@ -895,6 +895,8 @@ typec-mux@8 { > orientation-switch; > retimer-switch; > > + parade,disable-usb4; > + > ports { > #address-cells = <1>; > #size-cells = <0>; > @@ -1018,6 +1020,8 @@ typec-mux@8 { > retimer-switch; > orientation-switch; > > + parade,disable-usb4; > + > ports { > #address-cells = <1>; > #size-cells = <0>; > diff --git a/arch/arm64/boot/dts/qcom/x1e80100-dell-xps13-9345.dts b/arch/arm64/boot/dts/qcom/x1e80100-dell-xps13-9345.dts > index ce7b10ea89b6d..11412099eaec1 100644 > --- a/arch/arm64/boot/dts/qcom/x1e80100-dell-xps13-9345.dts > +++ b/arch/arm64/boot/dts/qcom/x1e80100-dell-xps13-9345.dts > @@ -726,6 +726,8 @@ typec-mux@8 { > retimer-switch; > orientation-switch; > > + parade,disable-usb4; > + > ports { > #address-cells = <1>; > #size-cells = <0>; > @@ -789,6 +791,8 @@ typec-mux@8 { > retimer-switch; > orientation-switch; > > + parade,disable-usb4; > + > ports { > #address-cells = <1>; > #size-cells = <0>; > diff --git a/arch/arm64/boot/dts/qcom/x1e80100-lenovo-yoga-slim7x.dts b/arch/arm64/boot/dts/qcom/x1e80100-lenovo-yoga-slim7x.dts > index beb1475d7fa0c..d16d3627796b8 100644 > --- a/arch/arm64/boot/dts/qcom/x1e80100-lenovo-yoga-slim7x.dts > +++ b/arch/arm64/boot/dts/qcom/x1e80100-lenovo-yoga-slim7x.dts > @@ -863,6 +863,8 @@ typec-mux@8 { > orientation-switch; > retimer-switch; > > + parade,disable-usb4; > + > ports { > #address-cells = <1>; > #size-cells = <0>; > @@ -920,6 +922,8 @@ typec-mux@8 { > retimer-switch; > orientation-switch; > > + parade,disable-usb4; > + > ports { > #address-cells = <1>; > #size-cells = <0>; > @@ -977,6 +981,8 @@ typec-mux@8 { > retimer-switch; > orientation-switch; > > + parade,disable-usb4; > + > ports { > #address-cells = <1>; > #size-cells = <0>; > diff --git a/arch/arm64/boot/dts/qcom/x1e80100-medion-sprchrgd-14-s1.dts b/arch/arm64/boot/dts/qcom/x1e80100-medion-sprchrgd-14-s1.dts > index f95b1f9f439d3..55f9df8e5f403 100644 > --- a/arch/arm64/boot/dts/qcom/x1e80100-medion-sprchrgd-14-s1.dts > +++ b/arch/arm64/boot/dts/qcom/x1e80100-medion-sprchrgd-14-s1.dts > @@ -857,6 +857,8 @@ typec-mux@8 { > retimer-switch; > orientation-switch; > > + parade,disable-usb4; > + > ports { > #address-cells = <1>; > #size-cells = <0>; > diff --git a/arch/arm64/boot/dts/qcom/x1e80100-microsoft-romulus.dtsi b/arch/arm64/boot/dts/qcom/x1e80100-microsoft-romulus.dtsi > index 28342cb84ded7..4ccfbe7e14eb8 100644 > --- a/arch/arm64/boot/dts/qcom/x1e80100-microsoft-romulus.dtsi > +++ b/arch/arm64/boot/dts/qcom/x1e80100-microsoft-romulus.dtsi > @@ -902,6 +902,8 @@ typec-mux@8 { > retimer-switch; > orientation-switch; > > + parade,disable-usb4; > + > ports { > #address-cells = <1>; > #size-cells = <0>; > @@ -984,6 +986,8 @@ typec-mux@8 { > retimer-switch; > orientation-switch; > > + parade,disable-usb4; > + > ports { > #address-cells = <1>; > #size-cells = <0>; > > -- > 2.53.0 > > -- -----Open up your eyes, open up your mind, open up your code ------- / Dr. David Alan Gilbert | Running GNU/Linux | Happy \ \ dave @ treblig.org | | In Hex / \ _________________________|_____ http://www.treblig.org |_______/