Re: [PATCH v3 1/3] dt-bindings: phy: sc8280xp-qmp-pcie: Add vdda-refgen supply for Glymur
From: Konrad Dybcio
Date: Wed Oct 28 2026 - 10:52:13 EST
On 10/13/26 12:16 PM, Qiang Yu wrote:
> The PCIe QMP PHYs require a stable reference voltage provided by REFGEN,
> which in turn requires two separate LDOs to operate. Without these
> supplies, the PCIe PHY cannot work properly.
>
> Add vdda-refgen0p9-supply and vdda-refgen1p2-supply properties. Mark them
> as required for the Glymur PCIe QMP PHYs for now, even though it breaks
> ABI; other platforms having the same requirement can be added later.
>
> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxxxxxxxx>
> Signed-off-by: Qiang Yu <qiang.yu@xxxxxxxxxxxxxxxx>
> ---
Reviewed-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxxxxxxxx>
Konrad