linux-kernel - Re: [PATCH v1 1/1] arm64: dts: qcom: x1e80100-dell-xps13-9345: Introduce retimer support

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Message-ID: <c1dbfe1e-9519-4bf9-81df-8c32e08d0126@oss.qualcomm.com>
Date: Mon, 4 Nov 2024 14:52:46 +0100
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
To: Aleksandrs Vinarskis <alex.vinarskis@...il.com>,
        Bjorn Andersson <andersson@...nel.org>, linux-arm-msm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Cc: Konrad Dybcio <konradybcio@...nel.org>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley
 <conor+dt@...nel.org>, Bryan.Kemp@...l.com,
        tudor.laurentiu.oss@...il.com
Subject: Re: [PATCH v1 1/1] arm64: dts: qcom: x1e80100-dell-xps13-9345:
 Introduce retimer support

On 30.10.2024 7:19 PM, Aleksandrs Vinarskis wrote:
> Describe x2 Parade PS8830 retimers for left and right USB Type-C ports
> respectively. Adjust graphs between connectors and the PHYs accordingly,
> add the voltage regulators. Dell XPS 13" 9345's DSDT describes 3rd
> retimer, but its not actually present.
> 
> Regulators are _assumed_ to be correct, since:
> * tlmm pins match DSDT definition.
> * tlmm and pmic gpios were tested and confirmed to be powering
>   off/resetting respective retimers.
> * USB3.0 now works correctly in both orientation, pre and post suspend.
> 
> Derived from:
> arm64: dts: qcom: x1e80100-t14s: Add external DP support
> 
> Signed-off-by: Aleksandrs Vinarskis <alex.vinarskis@...il.com>
> ---

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

Konrad