From nobody Fri Oct 3 07:42:22 2025 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2D93427932D; Thu, 4 Sep 2025 06:52:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=205.220.180.131 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756968770; cv=none; b=NJA1dPh+OCg8aCDK2/10KGX0Lm+pztSJslmI8d0bu23jek2/rrRfvNntHiIw+/b++MEhfs/XLkqb7Tac3XNWBTXJxCzdXanZltlrqhGjzh31F/lL7WJhFkbNfqXVgE5gcnXEbe594niMXzmu3G9rqf27jRLd2xyKcvSVG/mZdkI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756968770; c=relaxed/simple; bh=BFiVUX5SnGpXTU5EPsk3g7ynGmoCRddVJ9DCtF02gxo=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Kl9BTzi42QLCYW1evAe6U26Z7s9k5ZVRZrV51y9eLWKOnkGZSBEbBEtPguTM1f4xPNMW//JCbrNJv/k2EomCtrSNFUlhfjkmqcdx8lFNSrI8zdI1vh/yeyweaOmGluzUOAwZj9XnBTR0usWLY42blz3SKJAxNod1CZVyR0N0AQo= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=oss.qualcomm.com; spf=pass smtp.mailfrom=qualcomm.com; dkim=pass (2048-bit key) header.d=qualcomm.com header.i=@qualcomm.com header.b=I2LZhG1b; arc=none smtp.client-ip=205.220.180.131 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=oss.qualcomm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=qualcomm.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=qualcomm.com header.i=@qualcomm.com header.b="I2LZhG1b" Received: from pps.filterd (m0279869.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 5841dIqU003427; Thu, 4 Sep 2025 06:52:38 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=qualcomm.com; h= cc:content-transfer-encoding:date:from:in-reply-to:message-id :mime-version:references:subject:to; s=qcppdkim1; bh=ueVIig/TQlb tPgNi5E+6EzlMvVG+rDHGGgCXB11FwGs=; b=I2LZhG1bygSHD/ir6kKs0dnWEO6 i55DQU8f5N6Jb1q+cB0B20MzRxUrcPzFXLFEAZeP1q7/k1PKjNwsuEMT3QcVju7H LjU1ExIwzzYqDSRSx7CSnpL7JE7LSxAljvCf65F3zwfVYg84Nd1ogCFzGpY6NGPD bfvqkmBUdh12M74UlsdqFXNKuYQyrUnPPLJxDY7vw76RzpfuhxWxAj16c3gMTofZ LaTzCVjQQ49Sjx7D8CVmlUk6OvhXDpDsVpfMO2q3gYhJPb+3kqekwz4BWVjBVqfb +eYsoGIkXsWs14WAwBGo9icbt0jawmVkguUN3M5bsSYNN5CY09IC/cXlUtQ== Received: from aptaippmta01.qualcomm.com (tpe-colo-wan-fw-bordernet.qualcomm.com [103.229.16.4]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 48ura8xd04-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 04 Sep 2025 06:52:37 +0000 (GMT) Received: from pps.filterd (APTAIPPMTA01.qualcomm.com [127.0.0.1]) by APTAIPPMTA01.qualcomm.com (8.18.1.2/8.18.1.2) with ESMTP id 5846qZGd027255; Thu, 4 Sep 2025 06:52:35 GMT Received: from pps.reinject (localhost [127.0.0.1]) by APTAIPPMTA01.qualcomm.com (PPS) with ESMTPS id 48utcmhds2-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 04 Sep 2025 06:52:35 +0000 Received: from APTAIPPMTA01.qualcomm.com (APTAIPPMTA01.qualcomm.com [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 5846qYhQ027247; Thu, 4 Sep 2025 06:52:35 GMT Received: from ziyuzhan-gv.ap.qualcomm.com (ziyuzhan-gv.qualcomm.com [10.64.66.102]) by APTAIPPMTA01.qualcomm.com (PPS) with ESMTPS id 5846qYgm027242 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 04 Sep 2025 06:52:34 +0000 Received: by ziyuzhan-gv.ap.qualcomm.com (Postfix, from userid 4438065) id 2DF80526; Thu, 4 Sep 2025 14:52:33 +0800 (CST) From: Ziyue Zhang To: andersson@kernel.org, konradybcio@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, jingoohan1@gmail.com, mani@kernel.org, lpieralisi@kernel.org, kwilczynski@kernel.org, bhelgaas@google.com, johan+linaro@kernel.org, vkoul@kernel.org, kishon@kernel.org, neil.armstrong@linaro.org, abel.vesa@linaro.org, kw@linux.com Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, linux-phy@lists.infradead.org, qiang.yu@oss.qualcomm.com, quic_krichai@quicinc.com, quic_vbadigan@quicinc.com, Ziyue Zhang , Konrad Dybcio Subject: [PATCH v6 3/3] arm64: dts: qcom: lemans: Add PCIe lane equalization preset properties Date: Thu, 4 Sep 2025 14:52:25 +0800 Message-ID: <20250904065225.1762793-4-ziyue.zhang@oss.qualcomm.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250904065225.1762793-1-ziyue.zhang@oss.qualcomm.com> References: <20250904065225.1762793-1-ziyue.zhang@oss.qualcomm.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-QCInternal: smtphost X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: -CFzjaiGUGMpSZ7dT3JPLUgiSFozmDex X-Proofpoint-GUID: -CFzjaiGUGMpSZ7dT3JPLUgiSFozmDex X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwODMwMDAyMCBTYWx0ZWRfX1T2uJ7sfeDE6 psUBpSmDG/jvJ3LMOsxFtinz6YtjgIE+S9hlyMVKLk7Dl479Bqt8ILgvX7OYqQeDNB/EBNq0uf+ wOnt/Qgqwx76Cswy5oGBM7eyvXKzARLY7cPAvsFgrPvAZEHcM1Dna7UMAoyXpQk/6w284/0MglW 3GANAbEqk9J4jz275qsRTxA3CFaQ7ap5eMlisV1k7tRUe+Xeb8mqwK1tU6F2q0+RESaOXy+MMyh asg+LhGjXqe/MD1VSgAqEzy50jZmQw3G56RFKQAnRjd2jRKF/yXuFJfAjYNoKRJqIMnse/i7aVA NRN1DSTRtDgMG/7q22fErWWCvmRXwzafezB2CGdSm7E0aJHmr8DzRut+GQhWQ5c9z5dHidQutcS mrWiXECJ X-Authority-Analysis: v=2.4 cv=VNndn8PX c=1 sm=1 tr=0 ts=68b93736 cx=c_pps a=nuhDOHQX5FNHPW3J6Bj6AA==:117 a=nuhDOHQX5FNHPW3J6Bj6AA==:17 a=yJojWOMRYYMA:10 a=EUspDBNiAAAA:8 a=VwQbUJbxAAAA:8 a=XhQEiPrLEPsAcZFVs94A:9 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1117,Hydra:6.1.9,FMLib:17.12.80.40 definitions=2025-09-04_02,2025-08-28_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 spamscore=0 impostorscore=0 malwarescore=0 bulkscore=0 clxscore=1015 adultscore=0 priorityscore=1501 phishscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2507300000 definitions=main-2508300020 Content-Type: text/plain; charset="utf-8" Add PCIe lane equalization preset properties with all values set to 5 for 8.0 GT/s and 16.0 GT/s data rates to enhance link stability. Co-developed-by: Qiang Yu Signed-off-by: Qiang Yu Signed-off-by: Ziyue Zhang Reviewed-by: Konrad Dybcio Acked-by: Manivannan Sadhasivam --- arch/arm64/boot/dts/qcom/lemans.dtsi | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/lemans.dtsi b/arch/arm64/boot/dts/qco= m/lemans.dtsi index 64f5378c6a47..c88bf206ea82 100644 --- a/arch/arm64/boot/dts/qcom/lemans.dtsi +++ b/arch/arm64/boot/dts/qcom/lemans.dtsi @@ -7657,6 +7657,9 @@ pcie0: pcie@1c00000 { phys =3D <&pcie0_phy>; phy-names =3D "pciephy"; =20 + eq-presets-8gts =3D /bits/ 16 <0x5555 0x5555>; + eq-presets-16gts =3D /bits/ 8 <0x55 0x55>; + status =3D "disabled"; =20 pcieport0: pcie@0 { @@ -7827,6 +7830,9 @@ pcie1: pcie@1c10000 { phys =3D <&pcie1_phy>; phy-names =3D "pciephy"; =20 + eq-presets-8gts =3D /bits/ 16 <0x5555 0x5555 0x5555 0x5555>; + eq-presets-16gts =3D /bits/ 8 <0x55 0x55 0x55 0x55>; + status =3D "disabled"; =20 pcie@0 { --=20 2.43.0