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From: Vinod Koul <vkoul@kernel.org>
To: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>, 
 Krzysztof Kozlowski <krzk@kernel.org>, 
 Neil Armstrong <neil.armstrong@linaro.org>, Rob Herring <robh@kernel.org>, 
 Krzysztof Kozlowski <krzk+dt@kernel.org>, 
 Conor Dooley <conor+dt@kernel.org>, Bartosz Golaszewski <brgl@kernel.org>, 
 Bjorn Andersson <andersson@kernel.org>, 
 Konrad Dybcio <konradybcio@kernel.org>, 
 Wasim Nazir <wasim.nazir@oss.qualcomm.com>, 
 Mohd Ayaan Anwar <quic_mohdayaa@quicinc.com>, 
 Umang Chheda <umang.chheda@oss.qualcomm.com>, 
 Yijie Yang <quic_yijiyang@quicinc.com>, 
 Mohd Ayaan Anwar <mohd.anwar@oss.qualcomm.com>
Cc: Loic Poulain <loic.poulain@oss.qualcomm.com>, 
 linux-arm-msm@vger.kernel.org, linux-phy@lists.infradead.org, 
 devicetree@vger.kernel.org, linux-kernel@vger.kernel.org
In-Reply-To: <20260804-b4-sgmiieth_serdes_regulator-v2-0-c4bc688177dd@oss.qualcomm.com>
References: <20260804-b4-sgmiieth_serdes_regulator-v2-0-c4bc688177dd@oss.qualcomm.com>
Subject: Re: (subset) [PATCH v2 0/6] Fix regulator voting for the Qualcomm
 SGMII SerDes PHY
Message-Id: <178610603469.740291.829141301645845928.b4-ty@kernel.org>
Date: Fri, 07 Aug 2026 18:03:54 +0530
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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