linux-kernel - Re: [PATCH] phy: qcom: qmp-combo: Add polarity inversion support for SAR2130P

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Message-ID: <e51e8665-0245-4ea6-8c09-c73004a34a3d@oss.qualcomm.com>
Date: Mon, 20 Oct 2025 09:53:56 +0200
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
To: Krishna Kurapati <krishna.kurapati@....qualcomm.com>,
        Vinod Koul <vkoul@...nel.org>,
        Kishon Vijay Abraham I <kishon@...nel.org>,
        Dmitry Baryshkov <lumag@...nel.org>,
        Neil Armstrong <neil.armstrong@...aro.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Cc: linux-arm-msm@...r.kernel.org, linux-phy@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] phy: qcom: qmp-combo: Add polarity inversion support for
 SAR2130P

On 10/17/25 10:34 PM, Krishna Kurapati wrote:
> On SAR2130P QXR Platform, the CC Lines are inverted and the lane
> programming is to be done reverse compared to other targets.
> 
> As per the HW specifics, Bit-2 of TYPEC_CTRL register indicates
> port select polarity. This bit is to be set for SAR2130P.
> 
> Signed-off-by: Krishna Kurapati <krishna.kurapati@....qualcomm.com>
> ---

The downstream kernel for this platform corrobates this

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

Konrad