From: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
To: Amit Singh <quic_amitsi@quicinc.com>,
andersson@kernel.org, konradybcio@kernel.org, robh@kernel.org,
krzk+dt@kernel.org, conor+dt@kernel.org, vkoul@kernel.org,
kishon@kernel.org, lumag@kernel.org, neil.armstrong@linaro.org,
quic_wcheng@quicinc.com
Cc: linux-arm-msm@vger.kernel.org, linux-phy@lists.infradead.org,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
quic_riteshk@quicinc.com, quic_rajeevny@quicinc.com,
quic_vproddut@quicinc.com
Subject: Re: [PATCH 0/3] add vdda-aux regulator support for QMP PHY on QCS6490
Date: Mon, 10 Nov 2025 13:04:46 +0100 [thread overview]
Message-ID: <454ad8d6-43c9-4819-b849-c123fa9d33bd@oss.qualcomm.com> (raw)
In-Reply-To: <20251110115806.2379442-1-quic_amitsi@quicinc.com>
On 11/10/25 12:58 PM, Amit Singh wrote:
> The `vdda-aux` supply is necessary for proper power sequencing and reliable
> USB enumeration on platforms that provide this rail.
>
> This series adds support for the `vdda-aux` regulator to the QMP PHY driver
> and updates the QCS6490 RB3 Gen2 device tree to provide the required
> auxiliary 3.0 V rail for stable USB PHY operation.
> Platforms that do not define `vdda-aux` remain unaffected.
>
> Tested on RB3 Gen2 (QCS6490) platform to ensure proper USB enumeration and
> PHY stability.
I don't see this vreg going to the SoC on the schematics.
What is it actually powering?
Konrad
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prev parent reply other threads:[~2025-11-10 12:04 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-11-10 11:58 [PATCH 0/3] add vdda-aux regulator support for QMP PHY on QCS6490 Amit Singh
2025-11-10 11:58 ` [PATCH 1/3] dt-bindings: phy: qcom: qmp-combo: add support for vdda-aux regulator Amit Singh
2025-11-11 7:58 ` Krzysztof Kozlowski
2025-11-10 11:58 ` [PATCH 2/3] phy: qcom: qmp-combo: add " Amit Singh
2025-11-10 11:58 ` [PATCH 3/3] arm64: dts: qcom: qcs6490-rb3gen2: add vdda-aux supply for USB QMP PHY Amit Singh
2025-11-10 12:04 ` Konrad Dybcio [this message]
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