From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=205.220.168.131 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794566703; b=LMtVfDq5g1MxxFIw3JTX0C+DY+CCVS53OnfODvFS+WQDwcaDQbpUY1Aj1iA3rdZQbsev iutegyiRXBO4GObhX7N7yHWOsxYE8e70w6sMQ73nDtfu6NV7XGiDe+674WpkO6++Ng5iq He2qbU201agdG8UnTHDJZJhcuMNRQKjQgDmPl1tgd1ZOvTn4ryDce77i58tTW5X1cZLr9 te0X3v6Th+cRCPgBYt2VLSq33g0B3sp/w4thylbnpywDBaiHqyUF2H2vHeS+ml1UXdXNs hN3c5P5Jc4uvz0lR0sLIGBpPTJJZNY38pspgat8Zmg5kIZRBNhy3x2D054Q1tRtMtfA== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794566703; h=DMARC-Filter:Received:DKIM-Signature:Received:Received: DKIM-Signature:X-Google-DKIM-Signature:X-Forwarded-Encrypted: X-Gm-Message-State:X-Gm-Gg:X-Received:X-Received:Received:Message-ID: Date:MIME-Version:User-Agent:Subject:To:Cc:References: Content-Language:From:In-Reply-To:Content-Type: Content-Transfer-Encoding:X-Proofpoint-GUID:X-Proofpoint-Spam-Info: X-Proofpoint-Spam-Details-Enc:X-Proofpoint-ORIG-GUID: X-Authority-Analysis:X-Proofpoint-Virus-Version: X-Proofpoint-Spam-Details; bh=ljDMRqOHYPM+180KLYBxEZozbfQKzrnp4W89QlCNPN8=; b=z206AAzpEOt72f5bEVopQJkp0HDcQeSfqYGwojU23O0E0gf+K53hZK7TLFYRZy52E1G6 ojNWpXnacuKbrbMHVwkLOZxf70Tu2wJw947g7QMxAWigItdxWFzLMOekqoDJDuIpe457D 1P5phj+LYtqo+SxBxtCU6GRONzcn2gik1Z98yWMtim/TxDv/X0asOb6xXG5ZVkhU1hCXG fmoWDdmfV1LdfFS42m4ppvKIxMvvVxzsNDOZkA3wosWjgKMvYKQoTshqzLRNIXPG1y1Vf fLD0CfkqVXLMAGaCvylFPXko2/gPe0ayLQxU/LiQkClhfa2Tl48q9GA+iJ887dNqQgg== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=oss.qualcomm.com; spf=pass smtp.mailfrom=oss.qualcomm.com; dkim=pass header.d=qualcomm.com header.i=@qualcomm.com header.a=rsa-sha256 header.s=qcppdkim1 header.b=QLA7Mo6c; dkim=pass header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.a=rsa-sha256 header.s=google header.b=fG4j4S70; arc=none smtp.remote-ip=205.220.168.131 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4E54B606A330 for ; Fri, 13 Nov 2026 10:45:03 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org 4E54B606A330 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none 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.a=rsa-sha256 header.s=qcppdkim1 header.b=QLA7Mo6c; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.a=rsa-sha256 header.s=google header.b=fG4j4S70 Received: from pps.filterd (m0279862.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 6AD8V7WI3620255 for ; Fri, 13 Nov 2026 10:45:02 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= ljDMRqOHYPM+180KLYBxEZozbfQKzrnp4W89QlCNPN8=; b=QLA7Mo6cLIZZjf82 qk7w1ss19fAqrQxUtYV2M+uEjrZ1uu0mFeG4b43NEscXVF+9pW/XHNwLWpcQS77s 6dmMqW2NsMZ4g+JTwFcrpCcXNcdpoCNp0b7UvYsu4oSeH3/3J2aOFCZQSZVKxFTR TxpthXxc9bCK4PNfTGuX64k6qH9U7q2JLwmdyR5qtdQnfYoNPB96bnJ9IiTY8sjt epv2ng2Oew3L1krcTqeUps24WdNz4upXKvskRDifvYEPXr9OYKlXDo294hkCOfws uYUpsV+KPrHmtDgus0b/4a8ZTLPFRTgpIV43Qlqz6fIf6fj96mL7yMxei8O4slDn ZcXEwg== Received: from mail-dy1-f199.google.com (mail-dy1-f199.google.com [74.125.82.199]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 4hwvja9045-1 (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NOT) for ; Fri, 13 Nov 2026 10:45:02 +0000 (GMT) Received: by mail-dy1-f199.google.com with SMTP id 5a478bee46e88-36fa5673fccso916243eec.1 for ; Fri, 13 Nov 2026 02:45:02 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oss.qualcomm.com; s=google; t=1794566702; x=1795171502; darn=vger.kernel.org; h=content-transfer-encoding:content-type: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 :content-type; bh=ljDMRqOHYPM+180KLYBxEZozbfQKzrnp4W89QlCNPN8=; b=fG4j4S701Kq1/hZBqE2+DKp2rEL9Mlw8nTrVVMQCMtSpWkdJPmLjEPKtYHeQ0sSap1 WIAlFvoXMYY0nS4x4savN3Pz8ajxvRUjRfo/GwxoKVf5uge0dmAx3LLBBXe5BYuHPO7E 1Gy/t3WdMQoSwgReZWYG2Ol+lV3/fV0JIfqdMjjlrpE2C8PCDgTTiZWy2EcyAElKqh73 gWd00HbK1yAAxYwYANAjuae292RZWzulssgOrsCoTiW+mkslQx7FGR8YjSAL28+crycG lhRxiSzbb5MvnKd3FYN0hiE8OykROMTXWC16KqcidZ9pHrdRGKPGzbiKcYH3YJ6jbCb2 Ltxg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20260707; t=1794566702; x=1795171502; h=content-transfer-encoding:content-type: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:content-type; bh=ljDMRqOHYPM+180KLYBxEZozbfQKzrnp4W89QlCNPN8=; b=1fSd314nKDdm+5WTpHNuzuczP0U8dlAKwWfAEO0w7C4v0B1EjhsNg8CQDixb1FJR73 hDjZ0BROOfOvPdB2PsVLfXjSHaLFrB3ab/sFrJxs0/THSv4ZCSg6qg838ighptVjXlnU 1rnrxywBQPN2+vhIFLw/RaRaZbjGq3fyvGO2U7fsYNzPRvoSATKhBLWjLxOiQrMVz2lU yj+R9gf9lTxBogTjBpLlnsHmDmu3ZmKgdVIYtVlnUKtVL7jrv2EK432DcCpEE3fHD1zc oFuskSAzXOpPzZIP+4bWEgO4Ea45LcA7RtB187PAK3y3QJltNb1chWb3mM0yPx7hQdbd koDQ== X-Forwarded-Encrypted: i=1; AL+hErG4PzgL2t7RjhOgT+ZegVQTfbGmKDiXVdycY3+nyazmlCGD4kcc8hnTatWm/FKyJLt9B3YKoph6MwRgQ2Y=@vger.kernel.org X-Gm-Message-State: APuU4Z8kyzoM+I/1u8Wb7Rny9y08+dRbtiWta7v5HZkPCXSuToCeKzzR rJbL8+sgoZPJge3+/1hT+ckaZLaCYfKAZHiwlQpxQkLx2XBJid5szb/lDMAl6TfxOY/YGa/4Fxd JSTw6DVlFbn0zpvQhZEcoZVTVLcO7032p1ahou0yquC3OICf/RJrCLDRHnxNdFBFyvt8= X-Gm-Gg: AYBFou0kKs2mlI+1qsP9GYo1/PcS2JOgLN9EWKXeJe1FpGNEcEftApYEQVGvgRO7auz Mi5Y9Hiz5SUw1nAy55O+/5ZVoKkIMAmBsJb0OGA4h7L5u9XgYUoiJ0dodUXF1Z++hPPXMG4O1jm RBgzGQFHBHGyCNkE2YWAZLkN8AVnABGAbGpD9zX9T/2wbV2CpYI3ptVw+OtzS7ogUo/eqwROE2o FI3PznKp8Tme4SL3dNE0rw1JXU5ZLZXsueFj2LN3Wcr8OxyQq9DeubPitQTO/SuCM8WQvltApUP tlqM4kY5oWVdVFXdeb4LJ+VwEFkOkF+P1LXdDMd2LwNW8gezADwgjAO3Zd71SWtp0+K6YzYcvME FwK1YctEr+tZOlWEzXAsz2dYCKo0u8kIyXX6Ok7lwEbZOHaM740NEqVnQrGzSFJq4E4N7JbK5jH OlEg== X-Received: by 2002:a05:693c:6293:b0:378:314:4033 with SMTP id 5a478bee46e88-379679e29f2mr1882061eec.32.1794566701670; Fri, 13 Nov 2026 02:45:01 -0800 (PST) X-Received: by 2002:a05:693c:6293:b0:378:314:4033 with SMTP id 5a478bee46e88-379679e29f2mr1882040eec.32.1794566701053; Fri, 13 Nov 2026 02:45:01 -0800 (PST) Received: from [10.217.216.70] ([202.46.22.19]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-379553316fdsm6746586eec.5.2026.11.13.02.44.54 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 13 Nov 2026 02:45:00 -0800 (PST) Message-ID: Date: Fri, 13 Nov 2026 16:14:53 +0530 X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 02/10] dt-bindings: ptp: Document TSCSS hardware on Qualcomm QDU1000 SoC To: Krzysztof Kozlowski Cc: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Richard Cochran , Andrew Lunn , "David S. Miller" , Jakub Kicinski , Paolo Abeni , Bjorn Andersson , Konrad Dybcio , Eric Dumazet , Abel Vesa , Ajit Pandey , Taniya Das , Jagadeesh Kona , linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org References: <20261108-tscss-v2-0-d5f575010427@oss.qualcomm.com> <20261108-tscss-v2-2-d5f575010427@oss.qualcomm.com> <20261109-sticky-caiman-of-research-65e9a4@quoll> <28202f96-f234-4c7c-be6b-3019e119bb0a@oss.qualcomm.com> Content-Language: en-US From: Imran Shaik In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Proofpoint-GUID: B2SFaJPykcCyglr9U_-1GY13lm08Q6Sg X-Proofpoint-Spam-Info: AW1haW4tMjYxMTEzMDA0MiBTYWx0ZWRfXwMdTyDJqcS/I hdRFF1XUJbFpCHnhhm/Q4V8V4qTL3nbCPygGRbHxbemC3onT1x/WoPQZVxwwG8Vx7TC1FkkEqvS s3/Ui/fraf34AFXD+b9DrJXcZfuq2+A= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYxMTEzMDA0MiBTYWx0ZWRfX2iGnDoDOTBH1 XEDzzCw11WDQKV+Vu165Ez60pThwog4YBDyYIvgX1dHX72RDQTAGn1eEtvpAAtYsUpBzavm30+v 2rxpCLMX19YqKDuBTb26+sLOdF9wg4Uj2CKFy+Mhh7zBSBXOLnalf8skprwuCiudqjVFiWG/C86 UQkMl5ZYK60+O5L+ocW9ZBVWUVAoPak6ihkCMiZKuV9gbwzGMlTOHn4gcjl0z93u60YznTO/MhK 2fsobmzf3t2tK1NZnCMrXgKZLlx/dnseg1LLj5z1Scbc6SENglKRHLvnug3FX/c1s8ItvmN8Yd+ hL6A08DQIXR8oyb9e+RahDFFho9NcQ+jOOUeiAlgcvpXHey80r9tPatH6+peFPnVSvnSL162WwE UYfX4GzFn2g6t8i2iyEUjo79oBRL/9CBa6eGuBoCjnrjjzs88sQEQqRWctav+PskhWmzMXZMgGT u8sXsj5BelmSSnHjtig== X-Proofpoint-ORIG-GUID: B2SFaJPykcCyglr9U_-1GY13lm08Q6Sg X-Authority-Analysis: v=2.4 cv=AoN7T+9P c=1 sm=1 tr=0 ts=6af6ea2e cx=c_pps a=cFYjgdjTJScbgFmBucgdfQ==:117 a=fChuTYTh2wq5r3m49p7fHw==:17 a=IkcTkHD0fZMA:10 a=zJRp6_cAMcgA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=_K5XuSEh1TEqbUxoQ0s3:22 a=Z8WexQQaEhEqRXIjmLQA:9 a=QEXdDO2ut3YA:10 a=scEy_gLbYbu1JhEsrz4S:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.138,FMLib:17.12.100.49 definitions=2026-11-13_03,2026-11-11_03,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 impostorscore=0 bulkscore=0 priorityscore=1501 lowpriorityscore=0 adultscore=0 phishscore=0 suspectscore=0 spamscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2611040001 definitions=main-2611130042 On 13-11-2026 12:35 pm, Krzysztof Kozlowski wrote: > On 12/11/2026 10:32, Imran Shaik wrote: >>>> + The TSC block is a timestamp generator that maintains a running counter used >>>> + for system timekeeping, and is functional with just the AHB and counter >>>> + clocks. >>>> + The ETU block captures TSC timestamps for external hardware events. Each >>>> + ETU slice binds a slice number to an external event selector, and >>>> + generates its own interrupt when that event is triggered. >>>> + >>>> +properties: >>>> + compatible: >>>> + const: qcom,qdu1000-tscss >>> >>> I failed to spot the difference against your binding at patch #1. How do >>> they differ? >>> >> >> The ETU interrupt wiring between the QDU1000 and SA8775P/QCS8300 is >> different. >> The SA8775P/QCS8300 share one summary interrupt across all ETU slices, >> and the QDU1000 has each slice with its own interrupt line. Due to this, >> kept them as separate bindings. >> >> Can add them into one file with an if/then on compatible if you'd >> prefer. Please let me know. > > I see, it's fine to keep them separate, but you need common schema to > define common vendor properties. > Sure, I will introduce a common schema qcom,tscss.yaml with the shared properties, and take care of overriding SoC specific constraints in per SoC files. Thanks, Imran