Re: (subset) [PATCH v2 0/6] Fix regulator voting for the Qualcomm SGMII SerDes PHY
Vinod Koul <[email protected]>
| Newsgroups | org.infradead.lists.linux-phy,org.kernel.vger.linux-arm-msm,org.kernel.vger.linux-devicetree,org.kernel.vger.linux-kernel |
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On Tue, 04 Aug 2026 00:57:56 +0530, Mohd Ayaan Anwar wrote:
> This is a long overdue v2 of the original patch series which tried to
> address a SerDes power-up failure observed on the QCS8300 Ride board
> using the phy-qcom-sgmii-eth driver. After going through a rabbit hole
> of hardware schematics and power data, I now have a fuller picture of
> this IP.
>
> The Qualcomm SGMII SerDes PHY (used in Lemans and Monaco SoCs) is
> powered by two voltage rails. The schematics call them vdda-0p9 and
> vdda-1p2, so that's what we follow in the series. Additionally, the
> 0.9V regulator draws a peak current of 46 mA and the 1.2V regulator
> draws a peak current of 15 mA.
>
> [...]
Applied, thanks!
[1/6] dt-bindings: phy: qcom,sa8775p-dwmac-sgmii-phy: add named voltage rails and deprecate phy-supply
commit: 3719850f1b70dd3f01173be830cb0a1d2bc03a4e
[2/6] phy: qcom: sgmii-eth: vote for both voltage rails with correct current loads
commit: 4f81684a1d1018d7d0e5579f08d95e7701279358
Best regards,
--
~Vinod
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