linux-kernel - Re: [PATCH 5/8] arm64: dts: qcom: x1e80100-dell-xps13-9345: Fix USB QMP PHY supplies

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Message-ID: <Z1l6omxQoKKAyqSS@hovoldconsulting.com>
Date: Wed, 11 Dec 2024 12:42:26 +0100
From: Johan Hovold <johan@...nel.org>
To: "Tudor, Laurentiu" <Laurentiu.Tudor1@...l.com>
Cc: Aleksandrs Vinarskis <alex.vinarskis@...il.com>,
	Stephan Gerhold <stephan.gerhold@...aro.org>,
	Bjorn Andersson <andersson@...nel.org>,
	Konrad Dybcio <konradybcio@...nel.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Sibi Sankar <quic_sibis@...cinc.com>, Marc Zyngier <maz@...nel.org>,
	Xilin Wu <wuxilin123@...il.com>, Abel Vesa <abel.vesa@...aro.org>,
	Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
	Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
	"linux-arm-msm@...r.kernel.org" <linux-arm-msm@...r.kernel.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 5/8] arm64: dts: qcom: x1e80100-dell-xps13-9345: Fix USB
 QMP PHY supplies

On Wed, Dec 11, 2024 at 11:35:37AM +0000, Tudor, Laurentiu wrote:
> 
> Internal Use - Confidential

Looks like you need to fix your mail setup for when you're interacting
with the community and mailing lists.

> > -----Original Message-----
> > From: Aleksandrs Vinarskis <alex.vinarskis@...il.com>
> > Sent: Tuesday, December 10, 2024 10:45 PM
> >
> > On Tue, 10 Dec 2024 at 10:07, Stephan Gerhold <stephan.gerhold@...aro.org>
> > wrote:
> > >
> > > On the X1E80100 CRD, &vreg_l3e_1p2 only powers &usb_mp_qmpphy0/1
> > (i.e.
> > > USBSS_3 and USBSS_4). The QMP PHYs for USB_0, USB_1 and USB_2 are
> > > actually powered by &vreg_l2j_1p2.
> > >
> > > Since x1e80100-dell-xps13-9345 mostly just mirrors the power supplies
> > > from the x1e80100-crd device tree, assume that the fix also applies here.
> >
> > Though I can't verify schematics (perhaps Laurentiu can?)can confirm USBs
> > still work as expected with this change.
> 
> Yep, just checked the schematics and can confirm.

Thanks for confirming.

Johan