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Thu, 24 Oct 2024 06:53:31 GMT Received: from taozha2-gv.qualcomm.com (10.80.80.8) by nalasex01c.na.qualcomm.com (10.47.97.35) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.9; Wed, 23 Oct 2024 23:53:28 -0700 From: Tao Zhang To: Suzuki K Poulose , Mike Leach , James Clark , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Mathieu Poirier , Leo Yan , Alexander Shishkin CC: Tao Zhang , , , , , Subject: [PATCH v4 1/4] dt-bindings: arm: qcom,coresight-static-replicator: Add property for source filtering Date: Thu, 24 Oct 2024 14:53:03 +0800 Message-ID: <20241024065306.14647-2-quic_taozha@quicinc.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20241024065306.14647-1-quic_taozha@quicinc.com> References: <20241024065306.14647-1-quic_taozha@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) To nalasex01c.na.qualcomm.com (10.47.97.35) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: j0vMFX23KF9DHzKMoLouysUzy-su3SYK X-Proofpoint-ORIG-GUID: j0vMFX23KF9DHzKMoLouysUzy-su3SYK X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.60.29 definitions=2024-09-06_09,2024-09-06_01,2024-09-02_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 malwarescore=0 mlxscore=0 lowpriorityscore=0 phishscore=0 impostorscore=0 clxscore=1015 priorityscore=1501 mlxlogscore=999 suspectscore=0 bulkscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2409260000 definitions=main-2410240052 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241023_235345_586896_7D8CA463 X-CRM114-Status: GOOD ( 12.98 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org The is some "magic" hard coded filtering in the replicators, which only passes through trace from a particular "source". Add a new property "filter-src" to label a phandle to the coresight trace source device matching the hard coded filtering for the port. Signed-off-by: Tao Zhang Acked-by: Krzysztof Kozlowski --- .../arm/arm,coresight-static-replicator.yaml | 19 ++++++++++++++++++- 1 file changed, 18 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/arm/arm,coresight-static-replicator.yaml b/Documentation/devicetree/bindings/arm/arm,coresight-static-replicator.yaml index 1892a091ac35..0d258c79eb94 100644 --- a/Documentation/devicetree/bindings/arm/arm,coresight-static-replicator.yaml +++ b/Documentation/devicetree/bindings/arm/arm,coresight-static-replicator.yaml @@ -45,7 +45,22 @@ properties: patternProperties: '^port@[01]$': description: Output connections to CoreSight Trace bus - $ref: /schemas/graph.yaml#/properties/port + $ref: /schemas/graph.yaml#/$defs/port-base + unevaluatedProperties: false + + properties: + endpoint: + $ref: /schemas/graph.yaml#/$defs/endpoint-base + unevaluatedProperties: false + + properties: + filter-src: + $ref: /schemas/types.yaml#/definitions/phandle + description: + phandle to the coresight trace source device matching the + hard coded filtering for this port + + remote-endpoint: true required: - compatible @@ -72,6 +87,7 @@ examples: reg = <0>; replicator_out_port0: endpoint { remote-endpoint = <&etb_in_port>; + filter-src = <&tpdm_video>; }; }; @@ -79,6 +95,7 @@ examples: reg = <1>; replicator_out_port1: endpoint { remote-endpoint = <&tpiu_in_port>; + filter-src = <&tpdm_mdss>; }; }; };