From: Udipto Goswami <quic_ugoswami@quicinc.com>
To: Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Conor Dooley <conor+dt@kernel.org>,
Andy Gross <agross@kernel.org>,
Bjorn Andersson <andersson@kernel.org>,
Konrad Dybcio <konrad.dybcio@linaro.org>,
Rob Herring <robh+dt@kernel.org>
Cc: <linux-arm-msm@vger.kernel.org>, <devicetree@vger.kernel.org>,
<linux-kernel@vger.kernel.org>,
Udipto Goswami <quic_ugoswami@quicinc.com>
Subject: [PATCH v2] arm64: dts: qcom: sm8450: Update SNPS Phy parameters for QRD platform
Date: Thu, 21 Mar 2024 11:58:34 +0530 [thread overview]
Message-ID: <20240321062834.21510-1-quic_ugoswami@quicinc.com> (raw)
Update SNPS Phy tuning parameters for sm8450 QRD platform to fix
electrical compliance failures.
Signed-off-by: Udipto Goswami <quic_ugoswami@quicinc.com>
---
changes in v2: Recipient list was corrected.
arch/arm64/boot/dts/qcom/sm8450-qrd.dts | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/sm8450-qrd.dts b/arch/arm64/boot/dts/qcom/sm8450-qrd.dts
index c7d05945aa51..7b62ead68e77 100644
--- a/arch/arm64/boot/dts/qcom/sm8450-qrd.dts
+++ b/arch/arm64/boot/dts/qcom/sm8450-qrd.dts
@@ -467,6 +467,14 @@
vdda-pll-supply = <&vreg_l5b_0p88>;
vdda18-supply = <&vreg_l1c_1p8>;
vdda33-supply = <&vreg_l2b_3p07>;
+ qcom,squelch-detector-bp = <(-2090)>;
+ qcom,hs-disconnect-bp = <1743>;
+ qcom,pre-emphasis-amplitude-bp = <40000>;
+ qcom,pre-emphasis-duration-bp = <20000>;
+ qcom,hs-amplitude-bp = <2000>;
+ qcom,hs-output-impedance-micro-ohms = <2600000>;
+ qcom,hs-crossover-voltage-microvolt = <(-31000)>;
+ qcom,hs-rise-fall-time-bp = <(-4100)>;
};
&usb_1_qmpphy {
--
2.17.1
next reply other threads:[~2024-03-21 6:28 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-03-21 6:28 Udipto Goswami [this message]
2024-03-23 0:38 ` Konrad Dybcio
2024-04-21 22:29 ` Bjorn Andersson
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