linux-kernel - [PATCH 3/3] arm64: dts: qcom: sm8750-mtp: Add eusb2 repeater tuning parameters

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Message-Id: <20251203083629.2395451-4-krishna.kurapati@oss.qualcomm.com>
Date: Wed,  3 Dec 2025 14:06:29 +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>,
        Abel Vesa <abel.vesa@...aro.org>,
        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 3/3] arm64: dts: qcom: sm8750-mtp: Add eusb2 repeater tuning parameters

Add eusb2 repeater tuning parameters for MTP platform.

Signed-off-by: Krishna Kurapati <krishna.kurapati@....qualcomm.com>
---
 arch/arm64/boot/dts/qcom/sm8750-mtp.dts | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sm8750-mtp.dts b/arch/arm64/boot/dts/qcom/sm8750-mtp.dts
index c8cb521b4c26..b9a4d1c99816 100644
--- a/arch/arm64/boot/dts/qcom/sm8750-mtp.dts
+++ b/arch/arm64/boot/dts/qcom/sm8750-mtp.dts
@@ -1041,6 +1041,10 @@ wifi@0 {
 &pmih0108_eusb2_repeater {
 	status = "okay";
 
+	qcom,tune-usb2-preem = /bits/ 8 <0x3>;
+	qcom,tune-usb2-amplitude = /bits/ 8 <0xa>;
+	qcom,squelch-detector-bp = <(-2000)>;
+
 	vdd18-supply = <&vreg_l15b_1p8>;
 	vdd3-supply = <&vreg_l5b_3p1>;
 };
-- 
2.34.1