linux-kernel - Re: [PATCH 6/9] phy: qualcomm: qmp-combo: Update QMP PHY with Glymur settings

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Message-ID: <kmo2xwxia334fba4nt3eyzijlet7ogv4trxskoog6ymkxmpsi7@2pr2pryaxxgp>
Date: Sat, 20 Sep 2025 18:31:35 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
To: Wesley Cheng <wesley.cheng@....qualcomm.com>
Cc: krzk+dt@...nel.org, conor+dt@...nel.org, kishon@...nel.org,
        vkoul@...nel.org, gregkh@...uxfoundation.org, robh@...nel.org,
        linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-usb@...r.kernel.org,
        linux-phy@...ts.infradead.org
Subject: Re: [PATCH 6/9] phy: qualcomm: qmp-combo: Update QMP PHY with Glymur
 settings

On Fri, Sep 19, 2025 at 08:21:05PM -0700, 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     | 309 ++++++++-
>  .../phy/qualcomm/phy-qcom-qmp-pcs-aon-v8.h    |  17 +
>  .../qualcomm/phy-qcom-qmp-qserdes-lalb-v8.h   | 639 ++++++++++++++++++
>  .../phy/qualcomm/phy-qcom-qmp-usb43-pcs-v8.h  |  33 +
>  .../phy-qcom-qmp-usb43-qserdes-com-v8.h       | 224 ++++++
>  drivers/phy/qualcomm/phy-qcom-qmp.h           |   4 +
>  6 files changed, 1225 insertions(+), 1 deletion(-)
>  create mode 100644 drivers/phy/qualcomm/phy-qcom-qmp-pcs-aon-v8.h
>  create mode 100644 drivers/phy/qualcomm/phy-qcom-qmp-qserdes-lalb-v8.h
>  create mode 100644 drivers/phy/qualcomm/phy-qcom-qmp-usb43-pcs-v8.h
>  create mode 100644 drivers/phy/qualcomm/phy-qcom-qmp-usb43-qserdes-com-v8.h
> 

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>


-- 
With best wishes
Dmitry