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
Subject: Re: (subset) [PATCH v2 0/6] Fix regulator voting for the Qualcomm SGMII SerDes PHY
Date: Fri, 07 Aug 2026 18:03:54 +0530 [thread overview]
Message-ID: <178610603469.740291.829141301645845928.b4-ty@kernel.org> (raw)
In-Reply-To: <20260804-b4-sgmiieth_serdes_regulator-v2-0-c4bc688177dd@oss.qualcomm.com>
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
next prev parent reply other threads:[~2026-08-07 12:34 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-03 19:27 Mohd Ayaan Anwar
2026-08-03 19:27 ` [PATCH v2 1/6] dt-bindings: phy: qcom,sa8775p-dwmac-sgmii-phy: add named voltage rails and deprecate phy-supply Mohd Ayaan Anwar
2026-08-04 6:19 ` Krzysztof Kozlowski
2026-08-10 11:13 ` Bartosz Golaszewski
2026-08-03 19:27 ` [PATCH v2 2/6] phy: qcom: sgmii-eth: vote for both voltage rails with correct current loads Mohd Ayaan Anwar
2026-08-10 11:14 ` Bartosz Golaszewski
2026-08-03 19:27 ` [PATCH v2 3/6] arm64: dts: qcom: lemans-evk: fix SerDes PHY regulator supplies Mohd Ayaan Anwar
2026-08-10 11:15 ` Bartosz Golaszewski
2026-08-03 19:28 ` [PATCH v2 4/6] arm64: dts: qcom: lemans-ride-common: " Mohd Ayaan Anwar
2026-08-10 11:15 ` Bartosz Golaszewski
2026-08-03 19:28 ` [PATCH v2 5/6] arm64: dts: qcom: monaco-evk: " Mohd Ayaan Anwar
2026-08-10 11:15 ` Bartosz Golaszewski
2026-08-03 19:28 ` [PATCH v2 6/6] arm64: dts: qcom: qcs8300-ride: " Mohd Ayaan Anwar
2026-08-10 11:16 ` Bartosz Golaszewski
2026-08-04 8:36 ` [PATCH v2 0/6] Fix regulator voting for the Qualcomm SGMII SerDes PHY Mohd Ayaan Anwar
2026-08-07 4:59 ` Manivannan Sadhasivam
2026-08-07 12:33 ` Vinod Koul [this message]
2026-09-29 3:15 ` (subset) " Bjorn Andersson
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