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 9779A5172F8 for ; Wed, 30 Sep 2026 17:05:51 +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=1790787953; cv=none; b=QaGOztSp/AtOogOyNet+hC5DdoZe6sdARDEqf2YPhl/hsaopieAswd4RtjmwMpA0MFSX2CpzzMJL5yamhH264IhITrSVCRd+P707kPjWZ89MWYMxeynxnmzbh2/rSqFkucyPiTonjaAq3c9rkeJcE3JgzHlRiR9vLUeR3mr8n1M= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790787953; c=relaxed/simple; bh=DDPvEyxBzH/fM8L4JWsd+cDxWemVYt1ogCt3WXGPQy8=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=sTQDgnDeaml78npcp57vl2gJuw9hpYOAKYujWf7e4zox0KrZAw6KjpQP5bFvFv4j7VYJxx5h5zdStBNuiHAZ1KRsFqIaT9ZELWYyUuTDPzaq+y7BbNcezsZ9YkvhXQX3Wfi9CvtOSgPm7HwZA3IiDFTEQ8jAdWDdk2lZAVVRRfo= 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=Ud8ylrjn; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b=FXPojz+Y; 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="Ud8ylrjn"; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b="FXPojz+Y" Received: from pps.filterd (m0279872.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 68UE02HR2970502 for ; Wed, 30 Sep 2026 17:05:50 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= DDPvEyxBzH/fM8L4JWsd+cDxWemVYt1ogCt3WXGPQy8=; b=Ud8ylrjn6gYb06bc iYxkVcqcJXH++8WPDYQ1lp6I5wzr2KAq8JLzHMjq6EH6c0riMlwl1jrabnrvA8RJ kWVx7VwNA6FOmYmOrwsFGje5qsROkvDYiMUHLIw+adwwmpuldekaaRySDhwk+zZf JmmVaCexOQcocxjUV//JWyWJKKp8agU04FuETL3bDc5f2dUI0OcUHHv0cgzsF13x 6ble15madvXYl2/OEGf4gJg23K+ROL+ohrKwEXfA30KFq9rTto7kCPCt999pjK/M msfUeMdFUQsIXhChwURX734Ual6hFS6/xYAE8UWIUgAD0RjKV79hQ3GDGigSdEnA OWq3fg== Received: from mail-pl1-f198.google.com (mail-pl1-f198.google.com [209.85.214.198]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 4h0rhem1f1-1 (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NOT) for ; Wed, 30 Sep 2026 17:05:50 +0000 (GMT) Received: by mail-pl1-f198.google.com with SMTP id d9443c01a7336-2e2e0bc619fso8974745ad.0 for ; Wed, 30 Sep 2026 10:05:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oss.qualcomm.com; s=google; t=1790787949; x=1791392749; 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=DDPvEyxBzH/fM8L4JWsd+cDxWemVYt1ogCt3WXGPQy8=; b=FXPojz+YNYS0cLT3m1n5Zg2D53ynUXfp9dH3JhStsCRkZ3WoHMvmdSjxYpZFNe7hUm FhH6foJ0bLKAKCMDT4HVnl5ZGjlYNhMyb/VvdTdUfYXSQeLTYuLAxBpHELpjvogXKcKz iv8gy7Arf2a1Lo65Tr6qOxTPLXRk+squTQrwmVXoSt/N29W3qSo5tny0cWqWmrJLRt72 BIDj7aLhERMaCY90VUXY1npIZyP1qBZzq3gWJjEncFZ+QMEUu7uSvAcfb2AaGx0+rA7V 3zQqlg0fF7ET7fAYjsEIYbjyxYysRvemMZ8c3xFT05/mR5neGvWoSwEbhrgRoCptg1na gs2A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20260707; t=1790787949; x=1791392749; 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=DDPvEyxBzH/fM8L4JWsd+cDxWemVYt1ogCt3WXGPQy8=; b=GJIVUdkynjDVDWPM8HtfcsBJHblkDzIEGpOmmcxT4524oJzbjsY04v4NDm0sBzk4KX /eCOoJdOOCgljzYPgVV0RIbr5r4dkXqinU3u+uBjI7zRzdfz+RRmwoXE8+KJYxnUoLRl 4uyiiggJk47Vd4P1yE+Q9L5kRYZC4QsHJ3mQlW6IypaQtCcvrfYceJuzFGhuhO12bf0Q ZweEAG5FBEDgKzY3+xwCefzPR/AjLm/OZbGdvrzsd9Th9KZhvME5fdaGD0/C8+kLdpvV Cz06xt1THD9kSm/feSFgwh0gOqwEM3c+/g3HsyJWs3c88078DAw5NoLt6ZCG3cPE5rV8 Y50w== X-Forwarded-Encrypted: i=1; AKwUvBw61u/dbKCiUVzrLMngTarVyA01HNhAj2TgPruWC1wzop8XkRPmr9FiWcn/JI3vTG/jjSJL5dRlG1f9Usk=@vger.kernel.org X-Gm-Message-State: AFq9FYKfIYWX3yWzWAkPvEVJ+MXSGKQ8v0Y6PL0jR+otJGLwxPRKoIdz 9VJwXpAivXq2nD0OVY+S4nzFBvviPhzXbi6quIiBMg/2TJQxAacqrlUdpLqliQbHibMRBU6kdbF 3DvyfbBlHGKBvz2onN3ns6UIIqHBmJ7rG2o00M9Q3fvOsmrRA5QSrxdhWJQ1yLN2olg0= X-Gm-Gg: AYBFou2nKRab5gQsQTXGxPFKbbIl9syNyVrXDP0POthK2FAIdZTxtvIKf2OA1pRTyOs qZmFNAEKCUEYFBbvL52dRztNmAMHCojGPuArmG5p80MW7pTwssOI5f6W6ki5S3U/kUnolflztPU d1exrWlEgUB8yvTmQISMoZOT6TgSoYQScAV1ZXYdhUvPJS8dRKVw/nOAzmJf7gEu6RckeY+bGuj nX6Sy/ODnvcmNfy43Dbw2twGXrbs78jkdmiO08ErKmaNR7Z+uMh+J0KNKGeioaZ+beKQzoTQsi6 rqSMPxTrtsqF926P0FiJGb6Ro23oMfD/nGz4o9C0f/bKD7/jVXx9zm3WwYDF1i9LAyloeUsZ7sc TdM9wxJPtWv9DhsYHoIxvu8FyAj20uT7N5cA= X-Received: by 2002:a17:903:2b0c:b0:2e2:cb85:60d with SMTP id d9443c01a7336-2e2e4bb19fdmr16830745ad.53.1790787949322; Wed, 30 Sep 2026 10:05:49 -0700 (PDT) X-Received: by 2002:a17:903:2b0c:b0:2e2:cb85:60d with SMTP id d9443c01a7336-2e2e4bb19fdmr16830275ad.53.1790787948702; Wed, 30 Sep 2026 10:05:48 -0700 (PDT) Received: from [192.168.0.106] ([49.205.116.211]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2e300b31e05sm572195ad.62.2026.09.30.10.05.43 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 30 Sep 2026 10:05:48 -0700 (PDT) Message-ID: Date: Wed, 30 Sep 2026 22:35:41 +0530 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 0/2] Add LPASS VA CSR HeartBeat pulse clock support To: sarath.ganapathiraju@oss.qualcomm.com, andersson@kernel.org, abelvesa@kernel.org, sboyd@kernel.org, bmasney+clk@redhat.com, jbrunet+clk@baylibre.com, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, srinivas.kandagatla@oss.qualcomm.com Cc: linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20260930-master-v10-0-105207bc5275@oss.qualcomm.com> Content-Language: en-US From: Prasad Kumpatla In-Reply-To: <20260930-master-v10-0-105207bc5275@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Proofpoint-GUID: n4-bwqME8XEeFXBOI2jOI-9CvQmk7_5X X-Proofpoint-ORIG-GUID: n4-bwqME8XEeFXBOI2jOI-9CvQmk7_5X X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwOTMwMDA2OCBTYWx0ZWRfX737i2W4vnpnB 8PIK6BP1n5dVplBvHLfG/JrzrL/nK00W0jRMhYulafmcHg3P/6gMokxIwdlMzDBytPgk2HQkx7M OZp9BUjUcRI+/Ly+dC4pD/ZurASoctiz2w+aGNIRXxFZV8+BLqZHPVmiZQcZS3juhtbI8Q+gP7b NFCGyfm2jj3V3zLy1skDhakoxCO5Ihx7rmdz6jplh1dHq67Z3IyU0qQe7lh/jMK+OX1iCXqgoiG IbmCLubOrwcfBNyJImvYaLEqG1PiNJHELz1umkVJzC+1b4h1jYkbEoyikZg7UGUJGiaj2kPeBpv 2OfPcSKgMwBnnjdNmRXzvKrb+JLH8CAm/KsFIPaVmYpgH+hkh4q4DpmX1HhZx+b1N1iAOwKbONI N0c31FrbEtavsNTTNuThSUkZ3YM4/VKFNSkF5RA4NFV2alNBR3OIGsDNX11rQlDNX+GjwiJFc7B xIuFOjwkla+NVjS/bqQ== X-Proofpoint-Spam-Info: AW1haW4tMjYwOTMwMDA2OCBTYWx0ZWRfXyz5kibPZDVUZ o8G2lPDYfZR29C5MM8GPvRnrKlEYieUVB4SoXZ7+DFtnME1BasKiUX+gxgHnnhkkGc3Qi5SiVOX Q5einL51HxJNDkiAGZ51eCIP80bpU/E= X-Authority-Analysis: v=2.4 cv=Tu1zFzXh c=1 sm=1 tr=0 ts=6abd416e cx=c_pps a=MTSHoo12Qbhz2p7MsH1ifg==:117 a=2ngnHYY/h7Qxskz9zhV0NA==:17 a=IkcTkHD0fZMA:10 a=VdqzKS8jKosA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=yx91gb_oNiZeI1HMLzn7:22 a=EUspDBNiAAAA:8 a=EGVZlqAv5GW_eZpGnoMA:9 a=QEXdDO2ut3YA:10 a=GvdueXVYPmCkWapjIL-Q:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-09-30_03,2026-09-21_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 spamscore=0 malwarescore=0 suspectscore=0 phishscore=0 lowpriorityscore=0 adultscore=0 clxscore=1015 bulkscore=0 priorityscore=1501 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2609040000 definitions=main-2609300068 On 9/30/2026 3:21 PM, Sarath Ganapathiraju via B4 Relay wrote: > The LPASS VA CSR block contains rate generator hardware that produces > a HeartBeat Pulse (also known as RateGen Pulse). This pulse > synchronizes the start of the DMAs and Codec Interfaces for the audio > usecases and can serve as a periodic wakeup source for the DSP. > > This series adds the DT binding and driver support to model this > rate generator as a clock provider. > > Patch 1 adds the YAML binding for the new qcom,hawi-lpass-va-csr > clock provider node under Documentation/devicetree/bindings/clock/. > > Patch 2 adds the lpass-va-csr driver under drivers/clk/qcom that > registers the lpass_heartbeat_pulse clock and enables/disables the > rate generator via regmap when the clock consumer requests it. Tested on Hawi - WCD Headset Playback and Record working fine. Reviewed-by: Prasad Kumpatla Tested-by: Prasad Kumpatla