linux-kernel - [PATCH v2 0/3] Add eusb2 repeater squelch detect parameter override

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Message-Id: <20251204044644.3072086-1-krishna.kurapati@oss.qualcomm.com>
Date: Thu,  4 Dec 2025 10:16:41 +0530
From: Krishna Kurapati <krishna.kurapati@....qualcomm.com>
To: Vinod Koul <vkoul@...nel.org>, Kishon Vijay Abraham I <kishon@...nel.org>,
        Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>,
        Luca Weiss <luca.weiss@...rphone.com>,
        Neil Armstrong <neil.armstrong@...aro.org>,
        Johan Hovold <johan+linaro@...nel.org>,
        Pengyu Luo <mitltlatltl@...il.com>
Cc: linux-arm-msm@...r.kernel.org, linux-phy@...ts.infradead.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Krishna Kurapati <krishna.kurapati@....qualcomm.com>
Subject: [PATCH v2 0/3] Add eusb2 repeater squelch detect parameter override

Add support for eusb2 repeater squelch detect parameter override via DT.

Squelch detect parameter adjusts the voltage level for the threshold used
to detect valid high-speed data.

Changes in v2:
- Modified logic to write to squelch related register in driver code
- Added multipleOf property in bindings to reflect values can be multiple
  of 1000.

Link to v1:
https://lore.kernel.org/all/20251203083629.2395451-1-krishna.kurapati@oss.qualcomm.com/

Krishna Kurapati (3):
  dt-bindings: phy: qcom,snps-eusb2-repeater: Add squelch param update
  phy: qualcomm: phy-qcom-eusb2-repeater: Add squelch detect param
    update
  arm64: dts: qcom: sm8750-mtp: Add eusb2 repeater tuning parameters

 .../phy/qcom,snps-eusb2-repeater.yaml         |  8 +++++++
 arch/arm64/boot/dts/qcom/sm8750-mtp.dts       |  4 ++++
 .../phy/qualcomm/phy-qcom-eusb2-repeater.c    | 22 +++++++++++++++++++
 3 files changed, 34 insertions(+)

-- 
2.34.1