From nobody Sun Jun 14 00:20:27 2026 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 C9A483D649B for ; Tue, 5 May 2026 07:15:15 +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=1777965318; cv=none; b=E4LflJB7vEdlf2YANHldqk0rskMUDEKXTp1Vw25C1kzlsJ8QOipXNpETAwCBHP92A64fs0zgH25llGCJ4VSAUuzjRg072i3SZ49JhopwxkOjxgycU0Dr7xPya1TvWWQJ7zRnXfiomRjr8MOM/KBjBZ0NeJwCK/CQ7X9SiO8vGn8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777965318; c=relaxed/simple; bh=u62PmuJsFC53eibE16AfNNhsuEadr/Bcjjx+Id9tJAg=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=f3I34QgzgwksPpgF7EdQTWft/86UOTPxzxnAkM2R/okKmdis9DSZ/toVopmBwEJs9/GbabPv9wcuVIwiJi9Lcp5fpSTT2z1g7/PU43kxu5LBkCJ5QapoQQUZJvjTWUMnYbYTK/iNPsRLsrkST6w6lUtXNxZW6z7XT5K3GlP+Tag= 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=INtSzHHb; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b=jGJ5M6dd; 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="INtSzHHb"; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b="jGJ5M6dd" Received: from pps.filterd (m0279871.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 644MFpaK1187165 for ; Tue, 5 May 2026 07:15:15 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=qualcomm.com; h= cc:content-transfer-encoding:date:from:message-id:mime-version :subject:to; s=qcppdkim1; bh=GNzLk/F53WBl/rRiE34Stecm2fn5k1JBi+j gtwl5zYo=; b=INtSzHHb+MXnQ8S3/6AXKi6M8NPaz/Zc5XdjEKBWk76TpkwegUS 4m9cqzIIKCCusmGh5JnfsO8bYo65WAUhlBFVfrNavDGOt6RU3/AaMPwOnbRy/0PN VoFcTsaivs1hgX7vcfljo+KSU5polX/2kGyS06UBe4/2mXdWXtVlKNd1ej+Me1ie M2c/9pfziXaSPnZ0Eh8Rkf7o9EzHazq8nmeYHzPghwcGtdESzZW54p+U+9zBKUZX Jb/gNTv5om2BHY393hjQ+iGEOtbW9COUn7Tlwor+QWAHEHQ9ox3ebzOkyvuIUj/O 5cT9lbn2fOqipW9KwLVugA9F6Gzcm2AtLQQ== Received: from mail-qt1-f197.google.com (mail-qt1-f197.google.com [209.85.160.197]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 4dxvvgb5sc-1 (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NOT) for ; Tue, 05 May 2026 07:15:14 +0000 (GMT) Received: by mail-qt1-f197.google.com with SMTP id d75a77b69052e-50eb8bad331so16558071cf.0 for ; Tue, 05 May 2026 00:15:14 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oss.qualcomm.com; s=google; t=1777965314; x=1778570114; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=GNzLk/F53WBl/rRiE34Stecm2fn5k1JBi+jgtwl5zYo=; b=jGJ5M6ddOp2zEgOgy3irWJceC9B+A9zeJvgZZ0XxR8ESnUua/4wGg/VbfaGLT27o7k NrXBTP3UzI6C6O6qfwEbDryBn/5BtgT8RU4Lz8ur5qblmnSboaUUlHFIPHlFoBlNugzR 9sdkmGKaPWrhB+uppfd7hjKX+vTvRuA0zJ47svK5LwAd/ta2V/CcQiAA0lCas5UKsd3x kdcM4Px0alsMpFtMCcaroqbl2fIpI3FAW9A0Z4B30C+2hq5acU3b28M0GT5PUl2VZCrR Zfh8zvBT+EJ0/OiIR4+lnVTPMmGeFWFGtDQd99kptKTkHlRBAxitoFTsy7OmQuFYu/j7 d9JA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1777965314; x=1778570114; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-gg:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=GNzLk/F53WBl/rRiE34Stecm2fn5k1JBi+jgtwl5zYo=; b=UEkfHUilbg9qbE3fwT7Jog3j2RWp4LQ/25CDxLj/VoVC0Gyu2OfsFoW8YygjlEyzna 9UCrETg9WOZxq8n2Pt8p4Jg4qnp+NOWHfCDGigXsfVwKB7psrC/91IGXSKXQNXUOUANf aXEPu3w+VAXLXw5a7VPbsE2Cem2r3P/30X2vr3vtZVUaXdFueaSMNaZdRkimzllhqX3I 8D1ahFBVlxW8wmvhv2XOVf1u+ZE0iLQWvFdTt2DyKWuOrzDTNZinw3ErFJ+8MdaQ78iF liY5/Fd7cAL7Lyef6wibhgFOKemvRbaFuC3DanyqqXjMwC2PqYaLyeaTPyuUYNk87D7l QmpA== X-Forwarded-Encrypted: i=1; AFNElJ9SRXe/O4rxvy7vyc5EJXzri1EF0swXYFRuhZiSH5fwk2J/dkSo6NATT1IdhRhlMK3xdCnToaE/qhszHKs=@vger.kernel.org X-Gm-Message-State: AOJu0YzNQw7EQXsliM0vPMPCV5Nd9b2Jdjtcde7IPkRQX5n7JogBQU2q 13Nh+SfXF35B2IkI8DYQ+zid5e/QjzWEqfiHfdrdbodgJrs0qZf+vi4xc5PPO4SuKBfNd3jJ6sG lsjJtzsN5LXF6s3Hf+aR4zeJbvj3cbrV6Adrw5mt2XNQKR+hRjll/asNX1gIpNIGX2eA= X-Gm-Gg: AeBDietjb8E3oTW9/R4u8plAZ7MCbF5V+wqw5x1oAIwoyaaXyFpnt1/AYMjIl4QGz/H qTetwYivVejoheksVcgl8YaYDezcCwdQe7UlOhaQ1GCORuuMeOPA+M7s+UbchIc9J+su/MppNnH 9hRWOXDAhhvA8QQAEbJwY9AMHxQs7aqZ2rJtfa9BAWk8VxiMyIXnnaCWW9NCPU4BcNAT6VB2wsE JlZtrzDfdyPjOcdVelCXBkyII1KvPMKjpgEO7TTF/qSj82LI8i/ZqAVdM65LnHERXnbfxD/cWNv OqHZOBGSNE2BUv3EB83sUkxSGddfexDKRNZdZPlJI6Eo3rHvrywNpT7p76/07j4TFCSIUaeogep RPylaJ1pb5q+v8jpoKkktccTTVIQ6s4KUFgq2MrDWa8lZgWA= X-Received: by 2002:a05:622a:558a:b0:50d:86cb:db75 with SMTP id d75a77b69052e-5130695bafdmr28103671cf.7.1777965314057; Tue, 05 May 2026 00:15:14 -0700 (PDT) X-Received: by 2002:a05:622a:558a:b0:50d:86cb:db75 with SMTP id d75a77b69052e-5130695bafdmr28102171cf.7.1777965313243; Tue, 05 May 2026 00:15:13 -0700 (PDT) Received: from quoll ([178.197.219.94]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-45054b02f76sm2210535f8f.23.2026.05.05.00.15.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 05 May 2026 00:15:10 -0700 (PDT) From: Krzysztof Kozlowski To: Will Deacon , Robin Murphy , Joerg Roedel , Rob Herring , Krzysztof Kozlowski , Conor Dooley , linux-arm-kernel@lists.infradead.org, iommu@lists.linux.dev, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Krzysztof Kozlowski Subject: [PATCH] dt-bindings: arm-smmu: Constrain clocks for newer Qualcomm variants Date: Tue, 5 May 2026 09:14:54 +0200 Message-ID: <20260505071453.34000-2-krzysztof.kozlowski@oss.qualcomm.com> X-Mailer: git-send-email 2.51.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=2935; i=krzysztof.kozlowski@oss.qualcomm.com; h=from:subject; bh=u62PmuJsFC53eibE16AfNNhsuEadr/Bcjjx+Id9tJAg=; b=owEBbQKS/ZANAwAKAcE3ZuaGi4PXAcsmYgBp+Zjt0XAduVeRYEa/7OpETJeNBP8D6y9vWNM/T +QqfyGIYXyJAjMEAAEKAB0WIQTd0mIoPREbIztuuKjBN2bmhouD1wUCafmY7QAKCRDBN2bmhouD 10jgD/9J01XMkz+LeeUYM1W3mC4zKGc7dGAm/Bx2FVH5akQYlMgkbIEpVS3Ogc5mjsITedSD/j5 fAubOMCzqSwc2ruOoFZ91lpk1n8GmKMP/6bxoN6BhW6we+pL2Vm+xGMv5vALlYN068vZDIdbjpo pBvCrzDFA4w4WR9LwXdRLcl+cfQS1+QO9M2mj9GTQ4g28e8xeeQ7KblUvrJzNd31BdijCzqZ+XD MVsWQopo4t14DN6sJ9w7lcvcrTHVvmI7X1y8yHacfBZL1g/Fsh/FCTXuK7nx0m8/G5HUM0F9Ug+ FqtZ2v7FUmMXdjofB4Z1rDwkaOCPB4nkfrmpJ2lX500HpfVpoZ329gHBTM/jI3VnhHoVJztJijI NxRm6vahaM96AZNQigFNbW9OvDZdMIkrnGvS6T0JVNSyZjBiOvLV4LdM7Vh6s8XKS4KFDVWWZAD 0doyi+nw+f0zPC+InA9rAh1mfzqE4iHeRORws3iql3WRXhpE5GVFxEnu7GT+NAlMz2/w93oVVR/ 3gWD2YdHd5d3VBGARjGq/9QZVtbUIRH9CsWC26wqoNhwDrqXV3OohztPNRjGe0gXGdwBgs1HPhM /+yl6YtY17BKRzCWqex282CV4nnU9aiZBkHojfXwT7A0a9eS76vUZz1/GeEq3oWmoLkL3NdHVAh RX79Aam2Vbn40zA== X-Developer-Key: i=krzysztof.kozlowski@oss.qualcomm.com; a=openpgp; fpr=9BD07E0E0C51F8D59677B7541B93437D3B41629B Content-Transfer-Encoding: quoted-printable X-Proofpoint-ORIG-GUID: lY9F2oJej4xh19_oWokkwHArXnBkyYlV X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNTA1MDA2NSBTYWx0ZWRfX8UtJVV2HXjxm r/PS82EF0RWvofQVS61tks5pPv8SJoUQBLK97hDZU1RPaVYC8ynJToHzRwNmkB5FDIXC+1j9ogW MvfoJAmhWvPq83fpbEO7Q8sXuiIIWUW+6k/o1ej8YMo/BMZx684V0zYDLBTehHdy/j/DKqx3pLr UbIlKVPVLAAVrySLDtYMOaSxfGASdtnY1B21R3y4j7X1SZ24c4WifVHaLocEZ0EPh8cwb+dBtWc QodVru2g6Zx2EKJ8t1VBRs7T6Ubtw7d+2yeQk8NTFC9H+RrE6ZhZgNHKihoxAgHNfmYdTsRZPpK IvljzGjb90lk1g7LwxoykeWDZliq/3Z1kwSHpNr9HMXjiu7cFuHOCDqQVZz8vUaENHlcm99QWtZ UyFMCRJplSBQEPlj3lCJcRGYr+SBkfKoLhCrfHM9sHi9d/jw8nREVNnKFrDkz/ClC+aIoJWb7+K VHsW0WxMU+qnKtGcnyA== X-Authority-Analysis: v=2.4 cv=K+AS2SWI c=1 sm=1 tr=0 ts=69f99902 cx=c_pps a=EVbN6Ke/fEF3bsl7X48z0g==:117 a=gOEeR9iKwsj33Yj5oN/cWg==:17 a=NGcC8JguVDcA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=3WHJM1ZQz_JShphwDgj5:22 a=EUspDBNiAAAA:8 a=f71n7wxJgtiWRlcSn5MA:9 a=a_PwQJl-kcHnX1M80qC6:22 X-Proofpoint-GUID: lY9F2oJej4xh19_oWokkwHArXnBkyYlV X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-05-05_02,2026-04-30_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 suspectscore=0 spamscore=0 adultscore=0 clxscore=1015 priorityscore=1501 bulkscore=0 impostorscore=0 lowpriorityscore=0 phishscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2604200000 definitions=main-2605050065 Content-Type: text/plain; charset="utf-8" Many of SMMU on Qualcomm SoCs come in two flavors using same front compatible but a bit different fallback: 1. For application processor, usually without any controllable clocks, 2. For the Adreno GPU, with some controllable clock(s) and using additionally qcom,adreno-smmu fallback compatible. Add missing constraints for Glymur SMMU on Adreno GPU and several other Qualcomm SMMUs for application processors, to restrict the clocks property to a specific value. Signed-off-by: Krzysztof Kozlowski Acked-by: Rob Herring (Arm) Reviewed-by: Shawn Guo --- .../devicetree/bindings/iommu/arm,smmu.yaml | 38 ++++++++++++++++++- 1 file changed, 37 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/iommu/arm,smmu.yaml b/Docume= ntation/devicetree/bindings/iommu/arm,smmu.yaml index 06fb5c8e7547..ed0d10157bd6 100644 --- a/Documentation/devicetree/bindings/iommu/arm,smmu.yaml +++ b/Documentation/devicetree/bindings/iommu/arm,smmu.yaml @@ -566,7 +566,9 @@ allOf: properties: compatible: items: - - const: qcom,sm8750-smmu-500 + - enum: + - qcom,glymur-smmu-500 + - qcom,sm8750-smmu-500 - const: qcom,adreno-smmu - const: qcom,smmu-500 - const: arm,mmu-500 @@ -595,6 +597,7 @@ allOf: - qcom,sdm845-smmu-500 - qcom,sdx55-smmu-500 - qcom,sdx65-smmu-500 + - qcom,sdx75-smmu-500 - qcom,sm6350-smmu-500 - qcom,sm6375-smmu-500 then: @@ -602,6 +605,39 @@ allOf: clock-names: false clocks: false =20 + # Disallow clocks for all other platforms where specific compatible is u= sed + # with different fallbacks and only one combination has no clocks + - if: + properties: + compatible: + items: + - enum: + - qcom,eliza-smmu-500 + - qcom,glymur-smmu-500 + - qcom,kaanapali-smmu-500 + - qcom,milos-smmu-500 + - qcom,qcs615-smmu-500 + - qcom,qcs8300-smmu-500 + - qcom,sa8775p-smmu-500 + - qcom,sm6115-smmu-500 + - qcom,sm6125-smmu-500 + - qcom,sm6350-smmu-500 + - qcom,sm6375-smmu-500 + - qcom,sm8150-smmu-500 + - qcom,sm8250-smmu-500 + - qcom,sm8350-smmu-500 + - qcom,sm8450-smmu-500 + - qcom,sm8550-smmu-500 + - qcom,sm8650-smmu-500 + - qcom,sm8750-smmu-500 + - qcom,x1e80100-smmu-500 + - const: qcom,smmu-500 + - const: arm,mmu-500 + then: + properties: + clock-names: false + clocks: false + - if: properties: compatible: --=20 2.51.0