[PATCH v2 0/4] Add qref and refgen regulator support for QCS8300 and SA8775p PCIe PHYs

[Ziyue Zhang]

On 9/16/2026 6:20 PM, Ziyue Zhang wrote:
> This series adds qref and refgen regulator support for the PCIe QMP PHYs
> on QCS8300 and SA8775p platforms.
>
> The PCIe PHYs on these SoCs require dedicated qref and refgen voltage
> supplies for stable operation. Without enabling these supplies, PCIe may
> be unstable and the system can occasionally crash under certain scenarios.
>
> The refgen supply in particular works around a hardware issue where both
> QREF and the PCIe PHY are expected to depend on refgen2, but QREF actually
> depends on refgen3. This series therefore votes for refgen3 manually via
> the refgen supply.
>
> Changes in v2:
> - Expand commit message to explain why these supplies were missing and
>    what issue was observed (Mani)
> - Remove redundant vdda-refgen-supply overrides from qcs9100-ride.dts
>    and qcs9100-ride-r3.dts; the supplies are already defined in
>    lemans-ride-common.dtsi which both files include
> Link to v1: https://lore.kernel.org/all/20260810112735.1326807-1-ziyue.zhang@oss.qualcomm.com/
>
> Ziyue Zhang (4):
>    dt-bindings: phy: qcom,sc8280xp-qmp-pcie-phy: Add vdda-refgen and
>      refgen supply properties
>    phy: qcom: qmp-pcie: Add qref and refgen regulator vote for QCS8300
>      and SA8775p PHY
>    arm64: dts: qcom: qcs8300: Add qref and refgen supply for PCIe PHYs
>    arm64: dts: qcom: sa8775p: Add qref and refgen supply for PCIe PHYs
>
>   .../phy/qcom,sc8280xp-qmp-pcie-phy.yaml       | 27 +++++++++++++++++++
>   arch/arm64/boot/dts/qcom/lemans-evk.dts       |  4 +++
>   .../boot/dts/qcom/lemans-ride-common.dtsi     |  4 +++
>   arch/arm64/boot/dts/qcom/monaco-evk.dts       |  4 +++
>   .../arm64/boot/dts/qcom/monaco-monza-som.dtsi |  4 +++
>   arch/arm64/boot/dts/qcom/monaco.dtsi          |  4 +++
>   arch/arm64/boot/dts/qcom/qcs8300-ride.dts     |  4 +++
>   drivers/phy/qualcomm/phy-qcom-qmp-pcie.c      | 16 ++++++-----
>   8 files changed, 61 insertions(+), 6 deletions(-)
Hi Maintainers,

It seems the patches get reviewed tag for a long time, can you give this

series further comment or help me to merge them ?

Thanks very much.

BR

Ziyue