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[103.229.16.4]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-29eea065186sm11725945ad.89.2025.12.10.22.11.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 10 Dec 2025 22:11:54 -0800 (PST) From: Jie Gan Date: Thu, 11 Dec 2025 14:10:44 +0800 Subject: [PATCH v8 5/8] dt-bindings: arm: add an interrupt property for Coresight CTCU Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20251211-enable-byte-cntr-for-ctcu-v8-5-3e12ff313191@oss.qualcomm.com> References: <20251211-enable-byte-cntr-for-ctcu-v8-0-3e12ff313191@oss.qualcomm.com> In-Reply-To: <20251211-enable-byte-cntr-for-ctcu-v8-0-3e12ff313191@oss.qualcomm.com> To: Suzuki K Poulose , Mike Leach , James Clark , Alexander Shishkin , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Tingwei Zhang , Mao Jinlong , Bjorn Andersson , Konrad Dybcio Cc: coresight@lists.linaro.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, Jie Gan , Krzysztof Kozlowski X-Mailer: b4 0.14.0 X-Developer-Signature: v=1; a=ed25519-sha256; t=1765433484; l=1903; i=jie.gan@oss.qualcomm.com; s=20250909; h=from:subject:message-id; bh=uQDnFuWQfa6/Sdi9CzMqAfsP0M704DoHSxLv9wulLd8=; b=dtvZNc7Ql0EIwNVK3ZcPR/UHLvwtntV81rVMcD579qhYkfIauSpGzGIQ9h1H5xKu53Dcm3DyS wO0rLQgmlE2CxIwwevSyhyC18zapssNyQIas2ur7G7AJhcj3Kq4sEs1 X-Developer-Key: i=jie.gan@oss.qualcomm.com; a=ed25519; pk=3LxxUZRPCNkvPDlWOvXfJNqNO4SfGdy3eghMb8puHuk= X-Authority-Analysis: v=2.4 cv=At7jHe9P c=1 sm=1 tr=0 ts=693a60ac cx=c_pps a=JL+w9abYAAE89/QcEU+0QA==:117 a=nuhDOHQX5FNHPW3J6Bj6AA==:17 a=IkcTkHD0fZMA:10 a=wP3pNCr1ah4A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=KKAkSRfTAAAA:8 a=EUspDBNiAAAA:8 a=gSyxy6DGYGa4b6s9XCEA:9 a=QEXdDO2ut3YA:10 a=324X-CrmTo6CU4MGRt3R:22 a=cvBusfyB2V15izCimMoJ:22 X-Proofpoint-ORIG-GUID: 0IWhroZBdqR4It4O2Zo-_raqN0HpwsBe X-Proofpoint-GUID: 0IWhroZBdqR4It4O2Zo-_raqN0HpwsBe X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUxMjExMDA0MiBTYWx0ZWRfX1E0aVnSwTHkP vzaGWZLN7HIY3Y30ktuWTAuFZz2wrsdVK2qPkAFTj+PNOtQ3fJ/4OPx9TdxVU+tf/3+ow7+ceEv jf5nqzq/LGiO0gwgxaYmm9sQGJaTZnfy5ZRaJ81/2nrVEjnz/mV/Jesgl3TaKNiU3dYbhCbQSZn i58YsSUdQIYYGVFo5feTKFrQWYluK2VuRzEXvFJuzofyQpr7eulrJQxiFtF8QfLwb9kX17ZAXQA lT/FKdi0emd0NfUI0nNWjbt4p2R5L6fsDLZimiaB2UdTO+42Ba18x96NVcpbHoFF2Dr5bdS+jLZ 7kytY3iEuAOc9fgmg8zUTLZgXchS+fLofV9tO/rNYbKfuDcooRYIPuDSlzWHvDx9xq2YQzMXWTb 1LO4IrrzGXbuUjezQcqB/eF0tjMxyw== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.100.49 definitions=2025-12-10_03,2025-12-09_03,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 adultscore=0 clxscore=1015 bulkscore=0 priorityscore=1501 phishscore=0 impostorscore=0 spamscore=0 lowpriorityscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2510240001 definitions=main-2512110042 Add an interrupt property to CTCU device. The interrupt will be triggered when the data size in the ETR buffer exceeds the threshold of the BYTECNTRVAL register. Programming a threshold in the BYTECNTRVAL register of CTCU device will enable the interrupt. Acked-by: Krzysztof Kozlowski Reviewed-by: Mike Leach Signed-off-by: Jie Gan --- .../devicetree/bindings/arm/qcom,coresight-ctcu.yaml | 17 +++++++++++++= ++++ 1 file changed, 17 insertions(+) diff --git a/Documentation/devicetree/bindings/arm/qcom,coresight-ctcu.yaml= b/Documentation/devicetree/bindings/arm/qcom,coresight-ctcu.yaml index c969c16c21ef..90f88cc6cd3e 100644 --- a/Documentation/devicetree/bindings/arm/qcom,coresight-ctcu.yaml +++ b/Documentation/devicetree/bindings/arm/qcom,coresight-ctcu.yaml @@ -39,6 +39,16 @@ properties: items: - const: apb =20 + interrupts: + items: + - description: Byte cntr interrupt for the first etr device + - description: Byte cntr interrupt for the second etr device + + interrupt-names: + items: + - const: etrirq0 + - const: etrirq1 + label: description: Description of a coresight device. @@ -60,6 +70,8 @@ additionalProperties: false =20 examples: - | + #include + ctcu@1001000 { compatible =3D "qcom,sa8775p-ctcu"; reg =3D <0x1001000 0x1000>; @@ -67,6 +79,11 @@ examples: clocks =3D <&aoss_qmp>; clock-names =3D "apb"; =20 + interrupts =3D , + ; + interrupt-names =3D "etrirq0", + "etrirq1; + in-ports { #address-cells =3D <1>; #size-cells =3D <0>; --=20 2.34.1