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[103.229.16.4]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-7992d0e1336sm10129898b3a.59.2025.10.12.22.50.01 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 12 Oct 2025 22:50:05 -0700 (PDT) From: Jie Gan Date: Mon, 13 Oct 2025 13:49:15 +0800 Subject: [PATCH v7 6/9] 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: <20251013-enable-byte-cntr-for-ctcu-v7-6-e1e8f41e15dd@oss.qualcomm.com> References: <20251013-enable-byte-cntr-for-ctcu-v7-0-e1e8f41e15dd@oss.qualcomm.com> In-Reply-To: <20251013-enable-byte-cntr-for-ctcu-v7-0-e1e8f41e15dd@oss.qualcomm.com> To: Suzuki K Poulose , Mike Leach , James Clark , Alexander Shishkin , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Tingwei Zhang , Yuanfang Zhang , Mao Jinlong , Jie Gan , 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=1760334568; l=1810; i=jie.gan@oss.qualcomm.com; s=20250909; h=from:subject:message-id; bh=CPQNjReZzEuthWP4R2lJNdjHauXO/hHJqKsK5LCwEHw=; b=E7D4erC9cNnqmN3+hV4stIfeW2COgvL6aUFQ3zZqFMBAx/RfATnpgwV3/QmCnzco2wauJocyy CRu6J+UQWwXD/eqErWvs55GM6UbPa9O498wfkhVWGT4UGRBOMuVkKRC X-Developer-Key: i=jie.gan@oss.qualcomm.com; a=ed25519; pk=3LxxUZRPCNkvPDlWOvXfJNqNO4SfGdy3eghMb8puHuk= X-Proofpoint-ORIG-GUID: 1BLng6loM_Eo9l_oXXaRxG2SEIkWGA2l X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUxMDExMDAxOCBTYWx0ZWRfX28DxepB88qiP +k6tMMc/k48EkMY/L98CrWFK4DXvLe7axJvtxyw6BuaUslajWiZj1Wr9OvlpTu/2WkXxvaIrGnM IO6DfEPg/8dmmqSxIM3CMed5GBIQ5DcQe0oN2RjW+IsK5b4AFSEPIF3wJBZNJlwDzCCGsPpiu8b t42F9xZ1bnf0stABVWVy9ApStXEWfDofyM7j2/ScL/YHcVnw5KiVgZPi69flg8IRmmC6ngCfuk7 q2PNPqq7bRAH7vtlXyG+nOZN1shj7SfAftlRkKnNFGBkE5ZG01HeMUgXNM6F05Vcn/pDFdn+kvW VlM7hBCsdn/X6JDB8+/9WhmKmm4ujgUVaFHdBk8mA6Su8qbHUru51C7ioWiovo2H+m6adELR403 oqkIGha1BZJHQ12Vo7UxHHtDZYNSkw== X-Proofpoint-GUID: 1BLng6loM_Eo9l_oXXaRxG2SEIkWGA2l X-Authority-Analysis: v=2.4 cv=PdTyRyhd c=1 sm=1 tr=0 ts=68ec930f cx=c_pps a=rEQLjTOiSrHUhVqRoksmgQ==:117 a=nuhDOHQX5FNHPW3J6Bj6AA==:17 a=IkcTkHD0fZMA:10 a=x6icFKpwvdMA:10 a=KKAkSRfTAAAA:8 a=EUspDBNiAAAA:8 a=gSyxy6DGYGa4b6s9XCEA:9 a=QEXdDO2ut3YA:10 a=2VI0MkxyNR6bbpdq8BZq:22 a=cvBusfyB2V15izCimMoJ:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1117,Hydra:6.1.9,FMLib:17.12.80.40 definitions=2025-10-13_02,2025-10-06_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 phishscore=0 bulkscore=0 clxscore=1015 adultscore=0 lowpriorityscore=0 impostorscore=0 priorityscore=1501 spamscore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2510020000 definitions=main-2510110018 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 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..02797e5f3b58 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 etr0 + - description: Byte cntr interrupt for etr1 + + interrupt-names: + items: + - const: etr0 + - const: etr1 + 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 "etr0", + "etr1"; + in-ports { #address-cells =3D <1>; #size-cells =3D <0>; --=20 2.34.1