linux-kernel - Re: [PATCH RESEND v5 3/4] arm64: dts: qcom: x1e80100-t14s: Describe the Parade PS8830 retimers

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Message-ID: <e03f3e0b-5e1b-41e0-a42a-5cae0becf7c7@oss.qualcomm.com>
Date: Fri, 21 Feb 2025 20:03:28 +0100
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
To: Abel Vesa <abel.vesa@...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>
Cc: Johan Hovold <johan@...nel.org>,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        Rajendra Nayak <quic_rjendra@...cinc.com>,
        Sibi Sankar <quic_sibis@...cinc.com>,
        Christophe JAILLET <christophe.jaillet@...adoo.fr>,
        Trilok Soni <quic_tsoni@...cinc.com>, linux-arm-msm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH RESEND v5 3/4] arm64: dts: qcom: x1e80100-t14s: Describe
 the Parade PS8830 retimers

On 20.02.2025 6:42 PM, Abel Vesa wrote:
> The Lenovo ThinkPad T14s Gen6 laptop comes with 3 Parade PS8830 retimers,
> one for each Type-C port. These handle the orientation and altmode
> switching and are controlled over I2C. In the connection chain, they sit
> between the USB/DisplayPort combo PHY and the Type-C connector.
> 
> Describe the retimers and all gpio controlled voltage regulators used by
> each retimer. Also, modify the pmic glink graph to include the retimers in
> between the SuperSpeed/Sideband in endpoints and the QMP PHY out
> endpoints.
> 
> Signed-off-by: Abel Vesa <abel.vesa@...aro.org>
> ---

Reviewed-by: Konrad Dybcio <konrad.dybcio@....qualcomm.com>

Konrad