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Wed, 20 May 2026 00:34:54 -0700 (PDT) Received: from hu-mojha-hyd.qualcomm.com ([202.46.23.25]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2bd5cfe49c9sm213562825ad.49.2026.05.20.00.34.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 20 May 2026 00:34:54 -0700 (PDT) From: Mukesh Ojha To: Will Deacon , Joerg Roedel , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Robin Murphy Cc: Robin Murphy , linux-arm-kernel@lists.infradead.org, iommu@lists.linux.dev, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Mukesh Ojha Subject: [PATCH] dt-bindings: arm-smmu: qcom: Constrain clocks for Hawi SoC Date: Wed, 20 May 2026 13:04:47 +0530 Message-ID: <20260520073447.2138384-1-mukesh.ojha@oss.qualcomm.com> X-Mailer: git-send-email 2.53.0 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-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNTIwMDA3MSBTYWx0ZWRfX9JNmnF3+F9sa ryupYEv4yEnjSMMPPz9wFl1/ERi2AhIKaNpiMr5d2Zl49BfOMz+b9iwNux5Fw6on0B28VMBQpva GXoipPrgYQPROJX14/lrry6W8GuYw0I83FvO96KquxNG8t/9ZWqds+mDOiL5M6zCf3GonxpPr5p eQ6GkHrbTl1cdI0ZXNpoa3HL7513+a92A5t1I+vUPBvhTISD9/uygg4DeqTImTw5BCd275RBgSN N1HtHNbti2q4qeQA2bX2k3y9yBw0s/1wEsEYVdHI/btQxPRLAVUAXMFhFRqRl5Fg8ahzwR6bRLm gg6YEM9vbx6/Zau0F5MAM3nEcvazMSpAML6YPxaAGoJVcgHXhBFdcj80gBDPXKlJA6uobOYusOu IRTrw+pq+MJiQhkS4sJD2cHMSEgH0HCi5tzSzloDC/iere4i8zRHgg22gd0rqjp+sEpZxy/ClU7 NMYFcEuXYSKPf1sPkFQ== X-Authority-Analysis: v=2.4 cv=N9cZ0W9B c=1 sm=1 tr=0 ts=6a0d6420 cx=c_pps a=JL+w9abYAAE89/QcEU+0QA==:117 a=ZePRamnt/+rB5gQjfz0u9A==:17 a=NGcC8JguVDcA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=eoimf2acIAo5FJnRuUoq:22 a=VwQbUJbxAAAA:8 a=EUspDBNiAAAA:8 a=xU9kCb1ocPNtrCwW_qAA:9 a=324X-CrmTo6CU4MGRt3R:22 X-Proofpoint-GUID: BAwPuZ7nIrG7mYbWuO8q4FUnz8Fhkq9L X-Proofpoint-ORIG-GUID: BAwPuZ7nIrG7mYbWuO8q4FUnz8Fhkq9L 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=2026-05-20_01,2026-05-18_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 impostorscore=0 adultscore=0 lowpriorityscore=0 suspectscore=0 malwarescore=0 spamscore=0 phishscore=0 clxscore=1015 bulkscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2605130000 definitions=main-2605200071 Content-Type: text/plain; charset="utf-8" The Hawi SoC has two SMMU instances with different clock requirements. The Adreno GPU SMMU uses the qcom,adreno-smmu fallback and requires a single HLOS vote clock, matching the pattern already established for Glymur and SM8750. The Application Processor SMMU (APSS) uses the qcom,smmu-500 fallback and has no controllable clocks. Add qcom,hawi-smmu-500 to the single-clock constraint block for the Adreno GPU SMMU and to the no-clocks constraint block for the APSS SMMU, following the pattern how it is done for other SoCs. Signed-off-by: Mukesh Ojha --- This patch is on based on arm/smmu/bindings branch here in https://git.kernel.org/pub/scm/linux/kernel/git/iommu/linux.git Documentation/devicetree/bindings/iommu/arm,smmu.yaml | 2 ++ 1 file changed, 2 insertions(+) diff --git a/Documentation/devicetree/bindings/iommu/arm,smmu.yaml b/Docume= ntation/devicetree/bindings/iommu/arm,smmu.yaml index 25fd3efa2420..e413564ce55d 100644 --- a/Documentation/devicetree/bindings/iommu/arm,smmu.yaml +++ b/Documentation/devicetree/bindings/iommu/arm,smmu.yaml @@ -570,6 +570,7 @@ allOf: items: - enum: - qcom,glymur-smmu-500 + - qcom,hawi-smmu-500 - qcom,sm8750-smmu-500 - const: qcom,adreno-smmu - const: qcom,smmu-500 @@ -616,6 +617,7 @@ allOf: - enum: - qcom,eliza-smmu-500 - qcom,glymur-smmu-500 + - qcom,hawi-smmu-500 - qcom,kaanapali-smmu-500 - qcom,milos-smmu-500 - qcom,qcs615-smmu-500 --=20 2.53.0