From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8AB2819D07E for ; Tue, 27 Jan 2026 00:59:43 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=205.220.180.131 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769475585; cv=none; b=WRYBbb8ikh9dkTUK0in8+D8nLP0ZRhpizJn2YSn2foxlL5unz7Bo9ezm+rjBRBCo/eW1s9AOGiScx9ngoa/JmtFte8WVvOVY9CjRJuYoUoTfIR335X3L+295WcV8aS059WwNVd5QzX+9voqoPvqFN3VGFgs2H0ughfb+R5I32qo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769475585; c=relaxed/simple; bh=HPh1ghOGwS0n+2cjOSOdNUbjA52oG8cdoHCR3UDrxA8=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=cqPW67MgvLL+CrUj0lczSElYPESPUYwPABge4jRNkLEufHdo0XMtWC/1cfr9fW8DirKgy5g/QbCM7Qoy5/gldHijMlspyA1adwww5bpj1JrWsawHVBq5zEBKt7Pw19nv50NrOSsdeBG+dQiWLTJ8m0BBzO2VmCuzu30qavPRprk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=oss.qualcomm.com; spf=pass smtp.mailfrom=oss.qualcomm.com; dkim=pass (2048-bit key) header.d=qualcomm.com header.i=@qualcomm.com header.b=ADz6hDkV; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b=jisf8Jvb; arc=none smtp.client-ip=205.220.180.131 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=oss.qualcomm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=oss.qualcomm.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=qualcomm.com header.i=@qualcomm.com header.b="ADz6hDkV"; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b="jisf8Jvb" Received: from pps.filterd (m0279871.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 60QKgAn22733028 for ; Tue, 27 Jan 2026 00:59:42 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=qualcomm.com; h= cc:content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to; s=qcppdkim1; bh= YR8JboXN9/6hwv7wNQ3EDN2O2tmeKpBTJemRHuPwNT4=; b=ADz6hDkVntfYmT18 KiwcrJsszqZLU6xGG51/vwCq6SU8k81SJqrK2VPtYZtDaAihPVz3PtKZZHkOH+Zo mBsi7acnwjOOO/09LmhiOJhpbDTHIhiNhR9ZP4WSk5VnwV0ITmpKYkATrMoeYVyN 1YUFC+c97P05zU1lnBNCa47wiJkQ0yq2mqqsOe+lu7JhKoI4/yTOrqHcuVy5bdhu UA3sDQWCjiSR3M/R6wiZFr4CaU6qPpdse7xPtf6EhaJSmKTgb9QQxmSEDFd0RXeL QWXAt8Iens2JpWSOkW4sfvWRTTy12wDZSyLPRYXHercdcwCISqtYMHR0ydO6HYwN DRxlMQ== Received: from mail-pf1-f199.google.com (mail-pf1-f199.google.com [209.85.210.199]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 4bxdv08vwy-1 (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NOT) for ; Tue, 27 Jan 2026 00:59:42 +0000 (GMT) Received: by mail-pf1-f199.google.com with SMTP id d2e1a72fcca58-81f5381d17dso3373966b3a.1 for ; Mon, 26 Jan 2026 16:59:42 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oss.qualcomm.com; s=google; t=1769475581; x=1770080381; darn=vger.kernel.org; h=content-transfer-encoding:in-reply-to:from:content-language :references:cc:to:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=YR8JboXN9/6hwv7wNQ3EDN2O2tmeKpBTJemRHuPwNT4=; b=jisf8JvbJo3UwKb3Hw+mp5PGQEYeR30AXqSSeMdbwuD3VL1r3M3w40RWTbbCWIeWM2 0TVAL7LZXrkL7TQl6AEtknEBhQdWKsdZfCddlwu3bzvGQxAdKi2AxmWr3NVQK7Ij5nx5 5yNEaoJTvzUMyZWFbSMv5RN6ia3MdsiPuL1d8KyUtd3rsHaXsf5b1uX9cZsFBc8sc2GJ fUpHxHxIu5cpb9tW+gToL2FH6qcq/hqKzEfH8R5/csQ9bZk86/S2SviisMslP/67qsZX 5mfQG1wBySIAJWpENKEWJ1fxTFk/Emz4RYmk/MSVcdxNLYO3EXqtlKEQmDM5ILPXGhab 2iJw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1769475581; x=1770080381; h=content-transfer-encoding:in-reply-to:from:content-language :references:cc:to:subject:user-agent:mime-version:date:message-id :x-gm-gg:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=YR8JboXN9/6hwv7wNQ3EDN2O2tmeKpBTJemRHuPwNT4=; b=TH4PGhhGfEqA5tKEsi+1aY6/dE9HYnwaBugVcRgPekvRA5ZlZ5pK95ZRq2QT9z50Sd MhbwGJprUW+HnMtVCA4FElGGBCk7Qkb1g9jiff4MEpvCYJVkBjIaKFuusqnfEkhF7vpM 41SLcT+SOnUVA/zpdv3FwiFpNd1x64td3IdqxpOExcAO+GgMpkjeAJgqZBwgo+8Z9t6c tlIbSXw4ntBOH1Xh2WbhRbz3wIVug9MKSVtrUdhnkmlDrYArikxz6MOo7TDu6x3ChRnK FrrEr/xF6GY32jiZmIeMrcNqgsflHf4LcFuYuH4Mb481c9Sy3qD58z+r3IxV0ehOtJqV fXNw== X-Forwarded-Encrypted: i=1; AJvYcCVgsvuXorHLyPsqgbqnsSLLURwNPn3OR95aV2uygpZgvf62TK5x1smtzR4N9y4YBjEz4Ovi5hxpFBXP0eQ=@vger.kernel.org X-Gm-Message-State: AOJu0YyA/uvXVJfvoOEGwLzwP5H1qltHO9wR+CkFhTBxp5992mkCYYaH 9V7v40EXrK2JASM46++v2DPF3C5uP32GtHli5a990Oz9XJpvTGk9A+jyqXRDp6pfHvI+cp3g0Lb ETNmBLS77UScnKMDN+asikq9SOXMGg+NPa9ZcUDgEE/cdPqTdtM26MYOtvCswe2rewNE= X-Gm-Gg: AZuq6aLH5cELHa33dXISc3z67pd9+Hq/Xf5k9/CXmISJIu0Cj6cVSx2jg9sykS2ZJ// 24nfjvpV0ar1h3S21wOoViJItlo79MeyUf3DB5Aj20swEa/Egw09wBqMXZzd/tpG9ol1pv6uvSV NDIYq8sq/mITBN4qQWjS5izR2Vb8kBinL5dDsfRuKwXMLHonQ/IBO00sE7JBoNvWYl/YxlI69K0 OsJzQ8HFXx2FbltRNE6zTxIdgmVyklAsmurtPEzwMfR6v1DPfJB/J34g7AT86Dpdxq1oft3j161 So+htY+08FriWpouz01rS4fxIpyn/T2RcNaj60rkTXIprMuPss2pr8I/HAaY8IGjGG2m2gq9JCO SgkoiUL+T40BmHIvZR5QNiWA7TGe20o0rjvCSsMG5m0zNcFXNwkbQGeH2cJfFkch0fM8FSf+EPL 0= X-Received: by 2002:a05:6a00:1495:b0:822:abcd:db0f with SMTP id d2e1a72fcca58-823692c3b99mr99302b3a.52.1769475581292; Mon, 26 Jan 2026 16:59:41 -0800 (PST) X-Received: by 2002:a05:6a00:1495:b0:822:abcd:db0f with SMTP id d2e1a72fcca58-823692c3b99mr99287b3a.52.1769475580837; Mon, 26 Jan 2026 16:59:40 -0800 (PST) Received: from [10.133.33.228] (tpe-colo-wan-fw-bordernet.qualcomm.com. [103.229.16.4]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-82318644bcasm10356570b3a.2.2026.01.26.16.59.36 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 26 Jan 2026 16:59:40 -0800 (PST) Message-ID: <49e38ec0-3ad8-4808-9488-46d444a52211@oss.qualcomm.com> Date: Tue, 27 Jan 2026 08:59:33 +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 v10 5/8] dt-bindings: arm: add an interrupt property for Coresight CTCU 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, Krzysztof Kozlowski References: <20260122-enable-byte-cntr-for-ctcu-v10-0-22978e3c169f@oss.qualcomm.com> <20260122-enable-byte-cntr-for-ctcu-v10-5-22978e3c169f@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: 8bit X-Proofpoint-GUID: 6GmXptfrmRZZDHCoLdNx-5Zw2EiTAFn9 X-Authority-Analysis: v=2.4 cv=SvedKfO0 c=1 sm=1 tr=0 ts=69780dfe cx=c_pps a=WW5sKcV1LcKqjgzy2JUPuA==:117 a=nuhDOHQX5FNHPW3J6Bj6AA==:17 a=IkcTkHD0fZMA:10 a=vUbySO9Y5rIA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=KKAkSRfTAAAA:8 a=EUspDBNiAAAA:8 a=SkUS4XPTP4F0jhogtscA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=OpyuDcXvxspvyRM73sMx:22 a=cvBusfyB2V15izCimMoJ:22 X-Proofpoint-ORIG-GUID: 6GmXptfrmRZZDHCoLdNx-5Zw2EiTAFn9 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMTI3MDAwNiBTYWx0ZWRfX+0m18BO2UHdB sWUCfmpbvp9+RvP1HKex/Y1u/QJKei+xhUmlUcqwm9eMlVwcWw/gx69An+hZ1Dmrv6GR93MRSsI Caqi/c6NFzrkanzdiRi3Ug8kch72hIPn0TYYOBx1vx0UqwiY6GfFZSJtTdlRP9wPcQQd0wJw+2L ByblK+nYlBE4/xBq72+RrFrMfZGH3kLLDxET2l53BCl6380lRA02Dh4Yh+BYqKxTUtdMz7wbLf1 jH2o5/mhPBBji7ciVAX6zHR3WiV7Cl4rKyfb5w7aDyXtCBW+khszn5BMNUMMNKiSvZfMy7zus4/ OAqo7UYxNWD6kH6TBhgMkbPJ//v+7F29HxOGggf6dxWUpq0C0pjO3gnVGkuqqQgD0lWft824N+f H5j+6GKlI7pfQfzmH7p1+6ZwK2uDQsp16Uh6N6+bTbiCfOHj1ii6DCUpEpaVJ4EeFaMDHAV2DCo /hUZK2fYeWYrx4N0vow== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.20,FMLib:17.12.100.49 definitions=2026-01-26_04,2026-01-26_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 adultscore=0 clxscore=1015 suspectscore=0 impostorscore=0 spamscore=0 phishscore=0 malwarescore=0 bulkscore=0 lowpriorityscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2601150000 definitions=main-2601270006 On 1/27/2026 1:22 AM, Suzuki K Poulose wrote: > On 22/01/2026 02:08, 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 >> Reviewed-by: Mike Leach >> Signed-off-by: Jie Gan >> --- >>   Documentation/devicetree/bindings/arm/qcom,coresight-ctcu.yaml | 10 >> ++++++++++ >>   1 file changed, 10 insertions(+) >> >> diff --git a/Documentation/devicetree/bindings/arm/qcom,coresight- >> ctcu.yaml b/Documentation/devicetree/bindings/arm/qcom,coresight- >> ctcu.yaml >> index c969c16c21ef..ac27a8b89085 100644 >> --- a/Documentation/devicetree/bindings/arm/qcom,coresight-ctcu.yaml >> +++ b/Documentation/devicetree/bindings/arm/qcom,coresight-ctcu.yaml >> @@ -39,6 +39,11 @@ properties: >>       items: >>         - const: apb >> +  interrupts: >> +    items: >> +      - description: Interrupt for the ETR device connected to in-port0. >> +      - description: Interrupt for the ETR device connected to in-port1. > > Is this all the hardware supports ? i.e., can it only have two ports > ever ? If not, why restrict it to two ? > The maximum number of the TMC ETR devices of the existed QCOM platforms is 2. Per Krzysztof's suggestion in the earlier version, I limited the port number to [0..1], so as well as the interrupts. Thanks, Jie > Suzuki > > >> + >>     label: >>       description: >>         Description of a coresight device. >> @@ -60,6 +65,8 @@ additionalProperties: false >>   examples: >>     - | >> +    #include >> + >>       ctcu@1001000 { >>           compatible = "qcom,sa8775p-ctcu"; >>           reg = <0x1001000 0x1000>; >> @@ -67,6 +74,9 @@ examples: >>           clocks = <&aoss_qmp>; >>           clock-names = "apb"; >> +        interrupts = , >> +                     ; >> + >>           in-ports { >>               #address-cells = <1>; >>               #size-cells = <0>; >> >