From mboxrd@z Thu Jan 1 00:00:00 1970 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 D88962E06ED for ; Mon, 7 Sep 2026 02:26:11 +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=1788747973; cv=none; b=SwKax9uOHd8C+EWeo8Q5riRDoOIw7Xa622WpWa2hX3pIX5B8SYh2iZMJCp+WBSVIAvLcGiQM+8XVjuYGpEQH/jLyBkCV7swUCXwDWA5aeAIMy/b42xcicaBXWUcMsNP9hy1FhsLEcjFr4UTlzEP/kDzaBW/Eg19sP7VBAXBPXe4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788747973; c=relaxed/simple; bh=SqngItBzZRRemQ7Z7f4iOSqEU5Kl028KrDmgh47NvwU=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=llG8Ye+ZGk568UBAwNXl0YgCjCd2y28p04X2LGPEY9I45JaXABQbadNS9o8tuKubD9veS8JYSV5DcjiNxdRuxjjYjJ6FtDqypzNs3b5k5VGmbFg3aRq5OdCzwrBecDvyKYR4uYm3xmy8DGz7RFdbvzax83gIn60zLKC6DJ8aiVk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=oss.qualcomm.com; spf=pass smtp.mailfrom=oss.qualcomm.com; dkim=pass (2048-bit key) header.d=qualcomm.com header.i=@qualcomm.com header.b=YcdFf4wH; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b=IjwktwRU; 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=oss.qualcomm.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=qualcomm.com header.i=@qualcomm.com header.b="YcdFf4wH"; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b="IjwktwRU" Received: from pps.filterd (m0279873.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 6872O2T52725215 for ; Mon, 7 Sep 2026 02:26:11 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=qualcomm.com; h= cc:content-type:date:from:in-reply-to:message-id:mime-version :references:subject:to; s=qcppdkim1; bh=n0jUTNNzExuLuTq0dCzLcka2 2DJ7rjiceOe/URuM9WY=; b=YcdFf4wHGK9LHBWgjYX3BMyydcOUxhu32MqWOv22 iOKFSgTSTQCWH3YTlOduJREptzNaFQAO6+x7KF16tVBEFORC7+qU9X5DLtbTqjW3 bJ3XeqHrYqBOSs+qj2tQr3/n5BwhRAPZCYMgXpYw/2MPPgxVoIAxdjWwpeq5aOls +Dym7x9+W1ndeo7PN41gqnjR8QESG5pgrO7CBuFHbwvriTdbJdfZ5skC62F3yfuq 1tjJHPXnqN/zUCGFLmTpPUnujJCUSkqn88ZLzgJRgD07AnJLhtsXUvDXYj+qVVBJ 097VYMPrgBX2aMBCkOi6QGhX8CWc2nOcdZ+aLQeZT9Ovsw== Received: from mail-pj1-f69.google.com (mail-pj1-f69.google.com [209.85.216.69]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 4gg8eq55t5-1 (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NOT) for ; Mon, 07 Sep 2026 02:26:10 +0000 (GMT) Received: by mail-pj1-f69.google.com with SMTP id 98e67ed59e1d1-39af92138f9so4715890a91.0 for ; Sun, 06 Sep 2026 19:26:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oss.qualcomm.com; s=google; t=1788747970; x=1789352770; darn=vger.kernel.org; h=in-reply-to:content-disposition:content-type:mime-version :references:message-id:subject:cc:to:from:date:from:to:cc:subject :date:message-id:reply-to:content-type; bh=n0jUTNNzExuLuTq0dCzLcka22DJ7rjiceOe/URuM9WY=; b=IjwktwRUeXrTbfWCVQXg4PzvXDC9LLPbGV0/x0bPeuPmMAJ6qvQu52DEvw/2PeNtnB kpaSYV1fK+6KqrhcRDNHv2TEwneji5XoEYeAG5b3F4nPX573iFLZyObQbygs9TP6/W21 8e/4hfpHlY9E+5mVw4aTZF2TrThrHKeivdVQBkheyZTGat299eWGdJX73DesH4aVz69P 81eUDPEU4D5ILXKjTyBBc/JCAGrdQgRHChiq720j+tSD+s2DCIcmSQGLbH/BFArKTvz9 LaFE8E/Cep/lh47pxpj1L2QH4U6elcPMGG75KHcm1bElUeI/dDeV5Vmc9hW2BeS2a6l8 7Ckg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1788747970; x=1789352770; h=in-reply-to:content-disposition:content-type:mime-version :references:message-id:subject:cc:to:from:date:x-gm-gg :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to :content-type; bh=n0jUTNNzExuLuTq0dCzLcka22DJ7rjiceOe/URuM9WY=; b=YrQaqDk/H+ZQQog8F1q2u4lz6oeNfNqulcLmlB60GArFS4sAeKbRLGY6Uo4sP6BDI+ MbaTU4Gw64zCvoqeKMpyYc+IZjrVyWF18L/pN7Pa3hT7oCI6ByqNAkX8jaYVe3cLBoTY 4XUJpvJF8pXTC/rqWD3yZ+JpgaXKZ+Vht8MM8RtJHcgVqX1pEspLwGbEFcqWLGKZHDpk kMQKZqncsI+SN+c065AkLwIWZwASN0A/KVvSSD8hHvOnZXS4YrwxT60/9LPmnfleAOpa 7ytJA+vn0yCLziY9GDDIFZgQ2aEFsGObheO0ipxbLdlp9cTXTAyM73UzGe4Ws/5OUzb6 voEA== X-Forwarded-Encrypted: i=1; AKwUvBz/q1YMVoXSB962CuBNs4d5jC/N4X4+1AeMkCW6TIhNOG4BooJjBNudDQWWNKBx6TTBoa57+32s3Eg=@vger.kernel.org X-Gm-Message-State: AFuF++kyOU6c0tBX8k1kUKTdRzfRp9WGGd7RnNvNQz2mnwS7HRqb4HpV hHjOLcUQaXojb93X+Gtkzc6seiATo6dLGoKe/uT5LxfMyAJCmtnyhvmtktkfgIg3sSIOylN1mn3 y23zbKaDV0mogWjV3fovSyU403f1J5HLOTK10jxFcj7KRGE+m/yxJT96lbl8ex+I= X-Gm-Gg: AYBFou3yNqx3B9gYyuqoTqQPIIeMEEbwBDljj6kItr1lPyBh4dDvv9RVpBPq2eBFdq5 c8RTixUaQaOfT0SZ4p/KS8WyTUcZEZcxZnLASxuBAvdkhL4YARTGxa7FNG4TzeAOt2y75OQjw4J Jxkf2Jp+ZrITCpMsbKqB8MlIkhhwD0e3/J65W5pzMOv5Z9wpIoix1utW0RK8nzzhCfmjBBdAxlo B0prk+xv5Xidfg+3MzrIvi3DSEAsqoW7ZCknVgvwU5D2hY+Cd7IxuZ3mltI0PF70+XrNik4A0KU 0ssBmCpxZ45nKAncTVSxVqSFmq2gPeVpQZZ2fq1oUi34Xi167GV2dNClPhWniW1bwXXIOo14qNq t4tMfgVjwh8WzcIiRpKQSLkN2Nk/CGN5HJv4zLKxf/EDyQ0E= X-Received: by 2002:a17:90b:5745:b0:396:669c:b5f6 with SMTP id 98e67ed59e1d1-39b0803accdmr28515625a91.12.1788747969559; Sun, 06 Sep 2026 19:26:09 -0700 (PDT) X-Received: by 2002:a17:90b:5745:b0:396:669c:b5f6 with SMTP id 98e67ed59e1d1-39b0803accdmr28515586a91.12.1788747969120; Sun, 06 Sep 2026 19:26:09 -0700 (PDT) Received: from hu-qianyu-lv.qualcomm.com (Global_NAT1.qualcomm.com. [129.46.96.20]) by smtp.gmail.com with ESMTPSA id a92af1059eb24-14324356931sm33810559c88.4.2026.09.06.19.26.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 06 Sep 2026 19:26:08 -0700 (PDT) Date: Sun, 6 Sep 2026 19:26:06 -0700 From: Qiang Yu To: Konrad Dybcio Cc: Krishna Chaitanya Chundru , Vinod Koul , Neil Armstrong , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Lorenzo Pieralisi , Krzysztof =?utf-8?Q?Wilczy=C5=84ski?= , Manivannan Sadhasivam , Bjorn Helgaas , Bjorn Andersson , Maxime Chevallier , Philipp Zabel , linux-arm-msm@vger.kernel.org, linux-phy@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org Subject: Re: [PATCH v2 1/4] dt-bindings: phy: qcom: add Nord QMP PCIe PHY binding Message-ID: References: <20260828-nord-v2-0-18bf59d19d6f@oss.qualcomm.com> <20260828-nord-v2-1-18bf59d19d6f@oss.qualcomm.com> Precedence: bulk X-Mailing-List: linux-pci@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Authority-Analysis: v=2.4 cv=F61nsKhN c=1 sm=1 tr=0 ts=6a9e20c2 cx=c_pps a=vVfyC5vLCtgYJKYeQD43oA==:117 a=ouPCqIW2jiPt+lZRy3xVPw==:17 a=kj9zAlcOel0A:10 a=VdqzKS8jKosA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=rJkE3RaqiGZ5pbrm-msn:22 a=gEfo2CItAAAA:8 a=EUspDBNiAAAA:8 a=MuNgaGKqo7zVGC3JrMAA:9 a=CjuIK1q_8ugA:10 a=rl5im9kqc5Lf4LNbBjHf:22 a=sptkURWiP4Gy88Gu7hUp:22 X-Proofpoint-Spam-Info: AW1haW4tMjYwOTA3MDAyMSBTYWx0ZWRfX8KSI97gJB8pW qbSbV/UIaHv3OHggiMPNmYosOkWxUsX11CP+ui63LjUHMZfDjQzu5eeAHPep3O5hmOpZbLbnI99 ExESblxKJ2glEQpUAwbKdGqcB/kA8E0= X-Proofpoint-ORIG-GUID: CsIDSyN5gcUtO7LaViqVfbUu_T5niX0u X-Proofpoint-GUID: CsIDSyN5gcUtO7LaViqVfbUu_T5niX0u X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwOTA3MDAyMSBTYWx0ZWRfX56k+BNaJ8zqb ibFNgE6LBVvziW3WdLmK50WhLHN6vgKr+W4fpp6XKv2kLws4IATRweXGf+JtLkkWW6gfwx31dul nSbxJWpRgLWmB0TR4pgSx2K4m9Yf2GmcFC0SunVWRaQ4HJbpZ7/sxV6kK9mlSVmO9xx5fS+TOEv 93CFq44ZijNvvcsaUy0UJApFTm3l6P6zBbcNn/2MJx9ZCCcVXLygaEZFvziJsZ232IcaVP3JpwI ssAuR1gX56PGwvn2Xqazg/FY91QhKUSgX/YKdv6N3uSDdSPwOHm7R2/BDW7nCY9wIOyvLC8Sbml Sl5jXcNbV5j1rf44zGQ3rb49peIYZb9pPhd4kiByPx33ARNC1Mz/pq9OY7cAXKg9JZhQ3CBBX+s pmjSAmNTTUJzDYDUaVuNBOWLfiMCBNDJuhOkvWUgYIdYXkyiwNk7jJs8hWeiIGv3OHlucYiThU4 npALZcBqaxJmwX9NAxw== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-09-06_04,2026-09-03_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 adultscore=0 priorityscore=1501 phishscore=0 impostorscore=0 bulkscore=0 suspectscore=0 clxscore=1015 malwarescore=0 spamscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2609070021 On Mon, Aug 31, 2026 at 09:54:40AM +0200, Konrad Dybcio wrote: > On 8/28/26 10:43 AM, Krishna Chaitanya Chundru wrote: > > Document the PCIe PHY found on the Qualcomm Nord platform. > > > > Nord has a Gen5-capable QMP PCIe PHY that can operate in multiple > > lane configurations using four PHY segments (A/B/C/D). The active > > topology is selected by firmware through a TCSR configuration > > register and may be configured as x16, x8+x8, x8+x4+x4, or > > x8+x4+x2+x2. > > > > The binding describes the register regions, clocks, resets, power > > domains, regulators, PHY provider interface, clock provider interface, > > and the qcom,link-mode property used by the driver to discover the > > active lane configuration programmed by firmware. > > > > Signed-off-by: Krishna Chaitanya Chundru > > --- > > .../phy/qcom,nord-qmp-gen5x16-pcie-phy.yaml | 276 +++++++++++++++++++++ > > 1 file changed, 276 insertions(+) > > > > diff --git a/Documentation/devicetree/bindings/phy/qcom,nord-qmp-gen5x16-pcie-phy.yaml b/Documentation/devicetree/bindings/phy/qcom,nord-qmp-gen5x16-pcie-phy.yaml > > new file mode 100644 > > index 000000000000..37198f82c611 > > --- /dev/null > > +++ b/Documentation/devicetree/bindings/phy/qcom,nord-qmp-gen5x16-pcie-phy.yaml > > @@ -0,0 +1,276 @@ > > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) > > +%YAML 1.2 > > +--- > > +$id: http://devicetree.org/schemas/phy/qcom,nord-qmp-gen5x16-pcie-phy.yaml# > > +$schema: http://devicetree.org/meta-schemas/core.yaml# > > + > > +title: Qualcomm Nord QMP Bifurcated PCIe PHY > > Quadfurcated, perhaps? Is there a word in the spec that doesn't get too > detailed about the number of effective slots that the PHY is divided into? > What about multiple link-mode PHY? - Qiang Yu > [...] > > > + vdda-phy-a-supply: true > > + > > + vdda-phy-b-supply: true > > + > > + vdda-phy-c-supply: true > > + > > + vdda-phy-d-supply: true > > + > > + vdda-pll-a-supply: true > > + > > + vdda-pll-b-supply: true > > + > > + vdda-pll-c-supply: true > > + > > + vdda-pll-d-supply: true > > I'm really surprised they aren't all connected to the same pair but oh well > > Konrad >