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 77915370ADA for ; Thu, 17 Sep 2026 01:36:20 +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=1789608982; cv=none; b=qmDWD6QC/PUtKcWBf1CsuMJlEpAU/Q+LRUi9ZJdSboNXoL00PUWDvRiajGUlZxNDXFUJFmOpV97RcEgy8xzmWhfVAK7J8NNsefwUvLpaMZdWC8YQuyyL2G+GVmCKQqlgTI3MLOY275K2xlhikR86FR1ItZDA4i6fIzpx21rie5Q= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789608982; c=relaxed/simple; bh=Pdol2tENq3d5JTmtTgUTfzoLOto6wrDnP+qqylNShQc=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=c8rnqFD0GlPAU+lQo79w4kH+370pekhwVbgRLnb6NI3B75VFOEp1yXJQbd5aULoPPVsFg2oAWES4vm24/pWATogrFipyiLNc8ebg6F/oTpWvSaGczN7ZPNpP2eUEiMuSBmqdeWgJbpuxtAlMZDaeYIj6V2fUXrHEvJhtThXhCnU= 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=NIVUo31v; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b=MvrspZS9; 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="NIVUo31v"; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b="MvrspZS9" Received: from pps.filterd (m0279868.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 68GHOxIU3237403 for ; Thu, 17 Sep 2026 01:36:19 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=B3DU5cPahpn7psp7SjqFFTO7 I4tqeebDWCAKEo8WiDs=; b=NIVUo31vaSU3r5pkg/JBp8KuLWVqFvUjsSv3h+EB 3DWFFlKb7WY9iDHHqQ2kD070fenGN7oNJYpqL7kpmCdo0O90xEbhIp9hn/1cviQo excxG0ZR2GEQc0/2TXpl8gt7kEBMH6hNvAcadX0E5AdYpbcKKdiJq6amd+SWfwR7 mNVxB+hCTsTU6HDS8mgopdyahWV321p5+AR5rzPB0+BhGfpmektrg1VnS+P4Qkg6 w0sZoznkUhG1QjngKbhH2Vj9gQlckaV3CEhvBh9jWRnrpyl6xlrLqgR3DLCLN3uF FPbE8Ts71VfK9QAN+FRgQPO2y/wnuv3uOk3YJxRkSs3IkQ== Received: from mail-pg1-f197.google.com (mail-pg1-f197.google.com [209.85.215.197]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 4gqyga1nn5-1 (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NOT) for ; Thu, 17 Sep 2026 01:36:19 +0000 (GMT) Received: by mail-pg1-f197.google.com with SMTP id 41be03b00d2f7-cbe77d6864dso432050a12.2 for ; Wed, 16 Sep 2026 18:36:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oss.qualcomm.com; s=google; t=1789608978; x=1790213778; 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=B3DU5cPahpn7psp7SjqFFTO7I4tqeebDWCAKEo8WiDs=; b=MvrspZS9tFBERwkc9V44HBCGJHXPuWSWdpSbNsyYPG9aSa6twtyyvJ9Tk0vOHbe/dj SpcK+6YFMBcoycmmPDjSo1geKSZNHJd9MquOVYbxopwTzrd3PrQ+u0pcvKSeCpGmKibn GPAeMUTdxOkrARiX1oqtzHCV94DaYRfEokonQchTHfDbVMHmfScjkKOG/qByHlbjHAt0 bRir0QzLJNOQ9wSkJoCAbx4NnQ4u3FYKK7lxYG8u5QS76Q8VoyfNP12a0yFgRgGIZOS+ In+5tm6KlntlEiXUfzlHp0zI1lL5LJRLeK3WGMNmM1++ccxhfys1S2tGOnzTJVtFLpoJ LAoQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20260707; t=1789608978; x=1790213778; 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=B3DU5cPahpn7psp7SjqFFTO7I4tqeebDWCAKEo8WiDs=; b=jEhKIdl8cyTdvnFucruMKblk4G3dwnQl6HTcQ+icgmEI94+jZL6fpTCBl6WoqvWCEQ ezQu1SvjRpDxlE4B7Qs1RyITysNXWLJ4dNZpy/UaA7S7Y/PGiamt/Uij2bMVVT9oanWV IyUKQJ9w6NGScWix1BK+N899PEzRGaDnrp6KiPSxGExr82K2VxmZi4LhASO/GmdV3UxS p4QpOQNijguMD7+ssKct0CNdgfudW49pD/+iUwESjsrHv92MVcnVqa4QFp4oGKErSheN imogh1JuUwKFQziD4RxTPYf22NMNn/q8FRZr1PG9/KplUKmD9ga73icRGvk0LGwXk6ms nfoQ== X-Forwarded-Encrypted: i=1; AKwUvBxKAl8A12MZtRrufJyFz9PfD/lvTg5ZpipIiP7SbBDvo+3x69vnNsLIP4EsGrsMVy4y9FpU57wzPMoR@vger.kernel.org X-Gm-Message-State: AFuF++n6Ng8AAOx/g4+R3B7CxFquMvgEx8QjIKYsEx9N9k7SCEQfI9kv isgt7X70bkKvHCEaTJwTjVJzkbvVNilABSQZ2PwobmZ8pC+mM/eJzm0yWATYuPRnHg0+UJEsjCw O2V0VxER4RNEWLNHgFtKs43XkrGW5xI+jjLn7Vy1B1x8t3WRfGdjslzfdxzklWfkY X-Gm-Gg: AYBFou1w0EQsv/2xQJ9xtHJzkOMRs33k8OmktHq0Xj1C7BHlCnqLRUJ4/W0ANoV21zL X/qUEZ8kFt0kzgWFrf0L76y7pkywZuS2RHBdkhPz+wdBCfbQA7o0MpdrVJtdT1tQDkQzkUjkVcj aeZavrRTIbK5xq9GZXJw2yoDj+Z9qovVEq/BjVgDzwXKZjUdBy2m7hMsuObk3SowVhw5aqogzmr s153rReHRU+vnrlpngCgG+Qbr2OxITWFN/rK82+NfHyF4ITm9hYRNFiNxNmgezr3aTSyArRPf4d cOI8168QHo8AygTzdF8HSS84ydFdZGOXOxbkC9FHDCNcMvH86IGxx3Xx6eTfUHfx/e0R9WyYJHx t9KMH8XauM+5ZjMLFTgia8lJxadNC/zhOTDsBHwlr/NY= X-Received: by 2002:a05:6a20:cfa2:b0:3dd:57bf:7242 with SMTP id adf61e73a8af0-3dd5f456c26mr12096640637.8.1789608978063; Wed, 16 Sep 2026 18:36:18 -0700 (PDT) X-Received: by 2002:a05:6a20:cfa2:b0:3dd:57bf:7242 with SMTP id adf61e73a8af0-3dd5f456c26mr12096582637.8.1789608977646; Wed, 16 Sep 2026 18:36:17 -0700 (PDT) Received: from QCOM-aGQu4IUr3Y (i-global052.qualcomm.com. [199.106.103.52]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-33bfb05e604sm9699019eec.12.2026.09.16.18.36.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 16 Sep 2026 18:36:17 -0700 (PDT) Date: Thu, 17 Sep 2026 09:36:08 +0800 From: Shawn Guo To: Nabige Aala Cc: Vinod Koul , Neil Armstrong , Manivannan Sadhasivam , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bjorn Andersson , Rob Clark , Dmitry Baryshkov , Abhinav Kumar , Jessica Zhang , Sean Paul , Marijn Suijten , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Kuogee Hsieh , linux-arm-msm@vger.kernel.org, linux-phy@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, Ritesh Kumar , Mahadevan P Subject: Re: [PATCH 03/17] dt-bindings: display/msm: Document Nord MDSS Message-ID: References: <20260911-nord-drv-dt-v1-0-e25c073cf1b6@oss.qualcomm.com> <20260911-nord-drv-dt-v1-3-e25c073cf1b6@oss.qualcomm.com> Precedence: bulk X-Mailing-List: devicetree@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: <20260911-nord-drv-dt-v1-3-e25c073cf1b6@oss.qualcomm.com> X-Proofpoint-ORIG-GUID: s6yfjA28Gy-G5b7wfQ0-ZT7I4Dw6m-xL X-Proofpoint-GUID: s6yfjA28Gy-G5b7wfQ0-ZT7I4Dw6m-xL X-Proofpoint-Spam-Info: AW1haW4tMjYwOTE3MDAxOSBTYWx0ZWRfX0BRFP58cZdeQ bruXmdA9PmmQ00WJWtTcdzMkl6okvEO5GLKR5w15Kd91Nf2Q5KBy227BoZu3ha7h0g4ocDNsB2t gkDcdasmrnfHRSrMF8go073we/oqjXk= X-Authority-Analysis: v=2.4 cv=I9fw19gg c=1 sm=1 tr=0 ts=6aab4413 cx=c_pps a=rz3CxIlbcmazkYymdCej/Q==:117 a=b9+bayejhc3NMeqCNyeLQQ==:17 a=kj9zAlcOel0A:10 a=VdqzKS8jKosA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=ZpdpYltYx_vBUK5n70dp:22 a=gEfo2CItAAAA:8 a=JfrnYn6hAAAA:8 a=EUspDBNiAAAA:8 a=-8PEYfhsPDB8XfM_kOAA:9 a=CjuIK1q_8ugA:10 a=bFCP_H2QrGi7Okbo017w:22 a=sptkURWiP4Gy88Gu7hUp:22 a=1CNFftbPRP8L7MoqJWF3:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwOTE3MDAxOSBTYWx0ZWRfXxUhvMi35zr3A lMtf2lVCVK7m7s0YhVnJso965g/rv3Rch2ad64Py0/dLYqnQVqUj2rkB6OXvt2ICYKmFyDBmvPi Nl/1BGJWjKKi5zduWK6OQQeW8/TVT/a506VyMfe1XmvRY4Q98oTyv6czrdWTRd/pFwqkliOHKur 73tT1tg9uzNeDwsch+rz/wqDYiV4Y9VU3BlHMxdARI2WSwPwjDdooqjhxJGks89dpl4hRkcIZDV 1yGhYGTIch+fWBbpneRb4XRl05UrZ8xH8A6DYkUzgeoM94sRdtxVBHzlSlzHA4gQh+Un7QlcYt+ aBHj+p6aRZd7fdeqRg99R2jtiQArAvFU0VWFp5ZwI+1FJB6+8elJFsmWonQT+pycguKZlG5cS/i 59gikYVMqTc+1FVqVTOhq0U5PQJBjb8VQ/VyyNV1/pVWnJbU0Unr625HVt+sm6YmSUSbOjT7zaV phnmwSRHk8szaL+hM8w== 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=2026-09-16_03,2026-09-16_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 spamscore=0 lowpriorityscore=0 priorityscore=1501 adultscore=0 clxscore=1015 bulkscore=0 phishscore=0 suspectscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2609040000 definitions=main-2609170019 On Fri, Sep 11, 2026 at 09:06:34PM +0530, Nabige Aala wrote: > From: Mahadevan P > > Add the binding for the display subsystem (MDSS) found on the Qualcomm > Nord SoC. Nord is MDSS 12.1, DP-only (no DSI), with two independent DP > controllers. > > Signed-off-by: Mahadevan P > Signed-off-by: Nabige Aala > --- > .../bindings/display/msm/qcom,nord-mdss.yaml | 98 ++++++++++++++++++++++ > 1 file changed, 98 insertions(+) > > diff --git a/Documentation/devicetree/bindings/display/msm/qcom,nord-mdss.yaml b/Documentation/devicetree/bindings/display/msm/qcom,nord-mdss.yaml > new file mode 100644 > index 000000000000..0b0cacdca9db > --- /dev/null > +++ b/Documentation/devicetree/bindings/display/msm/qcom,nord-mdss.yaml > @@ -0,0 +1,98 @@ > +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/display/msm/qcom,nord-mdss.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Qualcomm Nord display subsystem (MDSS) > + > +maintainers: > + - Mahadevan P > + > +description: > + Nord display subsystem consists of MDSS (display controller), DPU 1499A > + (display processing unit), and display interface controllers (DP only, no DSI). > + This is MDSS 12.1, DP-only, with 2 independent DP controllers. > + > +$ref: /schemas/display/msm/mdss-common.yaml# > + > +properties: > + compatible: > + const: qcom,nord-mdss > + > + clocks: > + items: > + - description: Display AHB > + - description: Display hf AXI > + - description: Display core > + > + clock-names: > + items: > + - const: iface > + - const: bus > + - const: core > + > + iommus: > + maxItems: 1 The DTS in downstream repository doesn't seem to agree. There is two items for iommus. > + > + interconnects: > + items: > + - description: Interconnect path from mdp0 port to the data bus > + - description: Interconnect path from CPU to the reg bus > + > + interconnect-names: > + items: > + - const: mdp0-mem > + - const: cpu-cfg > + > +patternProperties: > + "^display-controller@[0-9a-f]+$": > + type: object > + additionalProperties: true > + properties: > + compatible: > + const: qcom,nord-dpu > + > + "^displayport-controller@[0-9a-f]+$": > + type: object > + additionalProperties: true > + properties: > + compatible: > + const: qcom,nord-dp > + > + "^phy@[0-9a-f]+$": > + type: object > + additionalProperties: true > + properties: > + compatible: > + const: qcom,nord-dp-phy > + > +required: > + - compatible > + > +unevaluatedProperties: false > + > +examples: > + - | > + #include Please run dt_binding_check against mainline kernel where the header is actually qcom,nord-dispcc.h. Shawn > + #include > + #include > + > + display-subsystem@ae00000 { > + compatible = "qcom,nord-mdss"; > + reg = <0x0ae00000 0x1000>; > + reg-names = "mdss"; > + power-domains = <&dispcc_gdsc>; > + clocks = <&dispcc DISPCC_MDSS_AHB_CLK>, > + <&gcc GCC_DISP_HF_AXI_CLK>, > + <&dispcc DISPCC_MDSS_MDP_CLK>; > + clock-names = "iface", "bus", "core"; > + resets = <&dispcc DISP_CC_MDSS_CORE_BCR>; > + interrupts = ; > + interrupt-controller; > + #interrupt-cells = <1>; > + iommus = <&apps_smmu 0x800 0x420>; > + #address-cells = <1>; > + #size-cells = <1>; > + ranges; > + }; > > -- > 2.34.1 > > > -- > linux-phy mailing list > linux-phy@lists.infradead.org > https://lists.infradead.org/mailman/listinfo/linux-phy