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Mon, 19 Aug 2024 09:06:52 +0000 (GMT) Received: from nalasex01c.na.qualcomm.com (nalasex01c.na.qualcomm.com [10.47.97.35]) by NALASPPMTA03.qualcomm.com (8.18.1.2/8.18.1.2) with ESMTPS id 47J96pqN008822 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 19 Aug 2024 09:06:51 GMT Received: from jiegan-gv.ap.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; Mon, 19 Aug 2024 02:06:45 -0700 Date: Mon, 19 Aug 2024 17:06:41 +0800 From: JieGan To: Krzysztof Kozlowski CC: Suzuki K Poulose , Mike Leach , James Clark , "Alexander Shishkin" , Maxime Coquelin , Alexandre Torgue , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bjorn Andersson , Konrad Dybcio , Jinlong Mao , , , , , Tingwei Zhang , Yuanfang Zhang , Tao Zhang , Song Chai , , Subject: Re: [PATCH v3 3/5] dt-bindings: arm: Add Coresight TMC Control Unit hardware Message-ID: References: <20240812024141.2867655-1-quic_jiegan@quicinc.com> <20240812024141.2867655-4-quic_jiegan@quicinc.com> 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="us-ascii" Content-Disposition: inline In-Reply-To: X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) 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-ORIG-GUID: 1o1y9cZQz3WTmMDiWMDwbcku6ekrAHBn X-Proofpoint-GUID: 1o1y9cZQz3WTmMDiWMDwbcku6ekrAHBn X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.28.16 definitions=2024-08-19_07,2024-08-19_01,2024-05-17_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 clxscore=1015 suspectscore=0 bulkscore=0 mlxlogscore=718 mlxscore=0 impostorscore=0 malwarescore=0 lowpriorityscore=0 adultscore=0 priorityscore=1501 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2407110000 definitions=main-2408190064 On Mon, Aug 19, 2024 at 08:26:19AM +0200, Krzysztof Kozlowski wrote: > On 12/08/2024 04:41, Jie Gan wrote: > > + > > +maintainers: > > + - Yuanfang Zhang > > + - Mao Jinlong > > + - Jie Gan > > + > > +description: > > + The Coresight TMC Control unit controls various Coresight behaviors. > > + It works as a helper device when connected to TMC ETR device. > > + It is responsible for controlling the data filter function based on > > + the source device's Trace ID for TMC ETR device. The trace data with > > + that Trace id can get into ETR's buffer while other trace data gets > > + ignored. > > + > > +properties: > > + compatible: > > + enum: > > + - qcom,sa8775p-ctcu > > + > > + reg: > > + maxItems: 1 > > + > > + clocks: > > + maxItems: 1 > > + > > + clock-names: > > + items: > > + - const: apb > > + > > + in-ports: > > + $ref: /schemas/graph.yaml#/properties/ports > > + > > + patternProperties: > > + '^port(@[0-7])?$': > > I see only two ports in the example. How many are there in reality? Existing projects can have a maximum of two ports. I used the range 0-7 as I consider it unlikely to have more than 8 ports. Maybe it's intended as a large buffer for futher design needs. > > Best regards, > Krzysztof > Thanks, Jie