linux-kernel - Re: [PATCH v8 8/9] phy: qualcomm: qmp-combo: Update QMP PHY with Glymur settings

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Message-ID: <4f3og44prqjjxsiy5lwnxam3ikqylvmk3m2ofsxoa5byczhs56@3uvxjtobddxf>
Date: Wed, 10 Dec 2025 01:19:05 +0200
From: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
To: Wesley Cheng <wesley.cheng@....qualcomm.com>
Cc: krzk+dt@...nel.org, abel.vesa@...aro.org, conor+dt@...nel.org,
        vkoul@...nel.org, robh@...nel.org, linux-arm-msm@...r.kernel.org,
        linux-phy@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v8 8/9] phy: qualcomm: qmp-combo: Update QMP PHY with
 Glymur settings

On Tue, Dec 09, 2025 at 03:09:44PM -0800, Wesley Cheng wrote:
> For SuperSpeed USB to work properly, there is a set of HW settings that
> need to be programmed into the USB blocks within the QMP PHY.  Ensure that
> these settings follow the latest settings mentioned in the HW programming
> guide.  The QMP USB PHY on Glymur is a USB43 based PHY that will have some
> new ways to define certain registers, such as the replacement of TXA/RXA
> and TXB/RXB register sets.  This was replaced with the LALB register set.
> 
> There are also some PHY init updates to modify the PCS MISC register space.
> Without these, the QMP PHY PLL locking fails.
> 
> Signed-off-by: Wesley Cheng <wesley.cheng@....qualcomm.com>
> ---
>  drivers/phy/qualcomm/phy-qcom-qmp-combo.c          | 285 +++++++++
>  drivers/phy/qualcomm/phy-qcom-qmp-pcs-aon-v8.h     |  17 +
>  drivers/phy/qualcomm/phy-qcom-qmp-pcs-misc-v8.h    |  12 +
>  .../phy/qualcomm/phy-qcom-qmp-qserdes-lalb-v8.h    | 639 +++++++++++++++++++++
>  drivers/phy/qualcomm/phy-qcom-qmp-usb43-pcs-v8.h   |  33 ++
>  .../qualcomm/phy-qcom-qmp-usb43-qserdes-com-v8.h   | 224 ++++++++
>  drivers/phy/qualcomm/phy-qcom-qmp.h                |   2 +
>  7 files changed, 1212 insertions(+)
> 

Does this work without DP tables?

-- 
With best wishes
Dmitry