linux-kernel - Re: [PATCH RFC 0/2] usb: typec: Add new driver for Parade PS8830 Type-C Retimer

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <958333ec-a636-4eee-a582-0b26daf5856e@quicinc.com>
Date: Fri, 30 Aug 2024 02:57:58 +0200
From: Konrad Dybcio <quic_kdybcio@...cinc.com>
To: Abel Vesa <abel.vesa@...aro.org>,
        Heikki Krogerus
	<heikki.krogerus@...ux.intel.com>,
        Greg Kroah-Hartman
	<gregkh@...uxfoundation.org>,
        Rob Herring <robh@...nel.org>,
        "Krzysztof
 Kozlowski" <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>
CC: Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio
	<konradybcio@...nel.org>,
        Rajendra Nayak <quic_rjendra@...cinc.com>,
        "Sibi
 Sankar" <quic_sibis@...cinc.com>,
        Johan Hovold <johan@...nel.org>,
        "Dmitry
 Baryshkov" <dmitry.baryshkov@...aro.org>,
        Trilok Soni
	<quic_tsoni@...cinc.com>, <linux-kernel@...r.kernel.org>,
        <linux-usb@...r.kernel.org>, <devicetree@...r.kernel.org>
Subject: Re: [PATCH RFC 0/2] usb: typec: Add new driver for Parade PS8830
 Type-C Retimer



On 29-Aug-24 20:44, Abel Vesa wrote:
> The Parade PS8830 is a Type-C multi-protocol retimer that is controlled
> via I2C. It provides altmode and orientation handling and usually sits
> between the Type-C port and the PHY.
> 
> It is currently used alongside Qualcomm Snapdragon X Elite SoCs on quite
> a few laptops already.
> 
> This new driver adds support for the following 3 modes:
>  - DP 4lanes - with pin assignments C and E
>  - USB3
>  - DP 2lanes + USB3
> 
> Only DP 4lanes and USB3 modes have been succesfully tested on
> Qualcomm (X Elite) CRD and Lenovo Thinkpad T14s so fat.
> Devicetree patches for these 2 boards will follow.
> 
> The DP 2lanes + USB3 is still work-in-progress as it might involve changes
> outside of this retimer driver.

Yep, it's the QC combo PHY being grumpy, this one's fine

Tested-by: Konrad Dybcio <quic_kdybcio@...cinc.com> # x1e80100-romulus

Konrad