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[103.229.16.4]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-29dae4cfcfasm2815175ad.41.2025.12.03.18.49.28 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 03 Dec 2025 18:49:33 -0800 (PST) Message-ID: Date: Thu, 4 Dec 2025 10:49:26 +0800 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v6 6/9] dt-bindings: arm: add an interrupt property for Coresight CTCU To: Mike Leach , Jie Gan Cc: Suzuki K Poulose , James Clark , Alexander Shishkin , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Tingwei Zhang , Jinlong Mao , Bjorn Andersson , Konrad Dybcio , 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, Krzysztof Kozlowski References: <20250908-enable-byte-cntr-for-tmc-v6-0-1db9e621441a@oss.qualcomm.com> <20250908-enable-byte-cntr-for-tmc-v6-6-1db9e621441a@oss.qualcomm.com> Content-Language: en-US From: Jie Gan In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUxMjA0MDAyMCBTYWx0ZWRfXxfXfu+MnHgyD y9OdbSshM1+czz/sMueZ0c6vOhBZ09dTi/1iaJgvbRZJLDu4NoTNHFOnlZDJQnUdEZpg2/8kavW s6a9C9B4RgHxppTRDy0WXm5RPcEHOTyr0TlrMEhUJi5mLuR5xhSh+TeEjSoxLzkO098Z833tEZ0 Kcy4uaIFaXKXOO7GKQbD9gib5gnXqhhjThvtY06Jy/7u9JsHBHSh4Irf59WzGjzU2txHkq/XzVu +osS1xbKDHcXJQ9Z6cIPCbzPGE7uanwD6subSH2qKP+RSXkvymgPuBsBpsXE0wylDuo8QyWPSRE PDTR+4zBwiSO3Btgkr95AOTOjIWea2nZfQ9lUpC14byX8LaKmHXPy2264KZOrAUa0w6fu5C2Ke3 q+IRgxbGSevkRTDSZqQRpFW7wL1bsw== X-Authority-Analysis: v=2.4 cv=JY6xbEKV c=1 sm=1 tr=0 ts=6930f6bf cx=c_pps a=IZJwPbhc+fLeJZngyXXI0A==:117 a=nuhDOHQX5FNHPW3J6Bj6AA==:17 a=IkcTkHD0fZMA:10 a=wP3pNCr1ah4A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=EUspDBNiAAAA:8 a=KKAkSRfTAAAA:8 a=bsiB8u-D1x4h01OLYjIA:9 a=QEXdDO2ut3YA:10 a=uG9DUKGECoFWVXl0Dc02:22 a=cvBusfyB2V15izCimMoJ:22 X-Proofpoint-GUID: 4UXuo40bnBZSz-_b_Yy-9r9U2HHCZt4i X-Proofpoint-ORIG-GUID: 4UXuo40bnBZSz-_b_Yy-9r9U2HHCZt4i 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=2025-12-04_01,2025-12-03_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 adultscore=0 impostorscore=0 suspectscore=0 priorityscore=1501 malwarescore=0 bulkscore=0 lowpriorityscore=0 phishscore=0 spamscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2510240001 definitions=main-2512040020 On 12/3/2025 10:30 PM, Mike Leach wrote: > On Mon, 8 Sept 2025 at 03:02, Jie Gan wrote: >> >> 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 843b52eaf872..ea05ad8f3dd3 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 >> >> + interrupts: >> + items: >> + - description: Byte cntr interrupt for etr0 >> + - description: Byte cntr interrupt for etr1 >> + >> + interrupt-names: >> + items: >> + - const: etr0 >> + - const: etr1 >> + >> in-ports: >> $ref: /schemas/graph.yaml#/properties/ports >> >> @@ -56,6 +66,8 @@ additionalProperties: false >> >> examples: >> - | >> + #include >> + >> ctcu@1001000 { >> compatible = "qcom,sa8775p-ctcu"; >> reg = <0x1001000 0x1000>; >> @@ -63,6 +75,11 @@ examples: >> clocks = <&aoss_qmp>; >> clock-names = "apb"; >> >> + interrupts = , >> + ; >> + interrupt-names = "etr0", >> + "etr1"; >> + >> in-ports { >> #address-cells = <1>; >> #size-cells = <0>; >> >> -- >> 2.34.1 >> > Not sure if you need me to review this purely DT hardware description > update but... Hi Mike, I am very glad to have you for reviewing, appreciate for your time. Thanks, Jie > > Reviewed-by: Mike Leach >