linux-kernel - [PATCH] arm64: dts: qcom: sc7280: Update SNPS Phy params for SC7280

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Message-ID: <1664435628-4011-1-git-send-email-quic_kriskura@quicinc.com>
Date:   Thu, 29 Sep 2022 12:43:48 +0530
From:   Krishna Kurapati <quic_kriskura@...cinc.com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Konrad Dybcio <konrad.dybcio@...ainline.org>
CC:     <devicetree@...r.kernel.org>, <linux-arm-msm@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>,
        Krishna Kurapati <quic_kriskura@...cinc.com>
Subject: [PATCH] arm64: dts: qcom: sc7280: Update SNPS Phy params for SC7280

Override the SNPS Phy tuning parameters for SC7280 devices. These
values are common for both trogdor and herobrine variants.

Signed-off-by: Krishna Kurapati <quic_kriskura@...cinc.com>
---
 arch/arm64/boot/dts/qcom/sc7280.dtsi | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi b/arch/arm64/boot/dts/qcom/sc7280.dtsi
index 2125803..ae2c23e 100644
--- a/arch/arm64/boot/dts/qcom/sc7280.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi
@@ -3310,6 +3310,13 @@
 			clock-names = "ref";
 
 			resets = <&gcc GCC_QUSB2PHY_SEC_BCR>;
+
+			qcom,hs-rise-fall-time-bp = <0>;
+			qcom,squelch-detector-bp = <(-2090)>;
+			qcom,hs-disconnect-bp = <1743>;
+			qcom,hs-amplitude-bp = <1780>;
+			qcom,hs-crossover-voltage-microvolt = <(-31000)>;
+			qcom,hs-output-impedance-micro-ohms = <2600000>;
 		};
 
 		usb_1_qmpphy: phy-wrapper@...9000 {
-- 
2.7.4