From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) (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 45E5D35C1B7 for ; Tue, 16 Jun 2026 12:27:13 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=205.220.168.131 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781612834; cv=none; b=NANyb6c2Hc5JhEUOud182IPjQowPNWqCUcog8RVNuqAAg/zi46ejojx2sAU77WcMHmvplwboxiKeyBRpRb2+60XCY+gehJ1AR78VqAXk+EUGx7MiTzNwXSLt84ExqoUExW23ZR+z0YTWlrQRNJePw4bSTwYNIZPuXZR4oFg4QvU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781612834; c=relaxed/simple; bh=B8BCQM18rA1tnKhxMhvVZSxDnp4DEs0alQWE0FbxWYA=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=o7Yn9XdTAydxLmHCbrXCmmjPBPiaUzDJkfmoL/fWGcuhV1/ritCGvs78zIlFV2arL9AtgLbFHitw4tM4iydrJKWmaGzjLudHoW7MUKgr6whtt36UE+EIHyvAl9CL+hTDAO5407Bc5VWe26sr+3Yuc8IoVPXU5joSbud8XkizcVE= 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=T0QS3h2t; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b=QSLSimlG; arc=none smtp.client-ip=205.220.168.131 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="T0QS3h2t"; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b="QSLSimlG" 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 65GA9jZF2799422 for ; Tue, 16 Jun 2026 12:27:12 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= bmbbYyR7uZKr7eHxk6XdJnTVLl1y284/iTbKusv3yoA=; b=T0QS3h2tjfDWK8sC MIHh0/v5JVIIQnsaua03VvjzRtjxHvDR/sxWcdzsPVe8PClbTQLYRAUHLV5WETGK Ui10kvEL0zJLKE/bFUp4mLeLrbopOYStogPdApS68V2efWr2dfnpsadoV0cLHDhs 873QTdqeTzHSsWX3DQtalWuXsdOxurKqHUY1R6UEOn+vsYSeRapf/5nDEZDJ4ixA oky6CaV9JbU741BOZoFOMf/HG48K55Z5lTn27f7KJMjgSwAIbv1Ll3JSa5pR29mL UT4eEXg/pBOOXm67wKbIW5bXAHY9zhC5BRgjKPZUhYI+z8FHZSh6cqVhVT+BlFny m8eI1w== Received: from mail-qt1-f199.google.com (mail-qt1-f199.google.com [209.85.160.199]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 4eu0a7srpf-1 (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NOT) for ; Tue, 16 Jun 2026 12:27:12 +0000 (GMT) Received: by mail-qt1-f199.google.com with SMTP id d75a77b69052e-5199ca24b07so900241cf.2 for ; Tue, 16 Jun 2026 05:27:12 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oss.qualcomm.com; s=google; t=1781612831; x=1782217631; 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=bmbbYyR7uZKr7eHxk6XdJnTVLl1y284/iTbKusv3yoA=; b=QSLSimlG42N51UY/RQFr5JFdwU+GA+kaHqLaPJvqGKRVak6W4MUfhrtKekFXkUUIfX VWlccBsN/an91aLtBE5ADA9Y8xqCOyMHDnrL31B9v9NA+XBgmBkhrlC5TFAjqR1/eqYY +iQ0YHk3OGdv46hno/nOm+RY3IqecYmRN8XyNcCVrSpgPmsuyGR7kHgGHpcuM6a3Gvb1 TgCOnsjelwWSVSd4tDoDCJZgsE81okkwNAL76Z5Z/xE3C1SY5EhP5ExjUrCDDgnodDYx +LenXMEWmYp2OkSRWOEjj97gyW1Sz8EpPzV9Mv0SzLuQEfBL9+2dBcul3MRf9RQXlXx+ BH1A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1781612831; x=1782217631; 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=bmbbYyR7uZKr7eHxk6XdJnTVLl1y284/iTbKusv3yoA=; b=MgejpThTT1CH4Eizr1nSps0aETXLX3074YaQ1sMazoIUgL6TcxxJ4QMNG9eFe9EFS2 5TbGBsOSVrwtCUVuLLZw1JkYXS0X18FTdifL0i4m9c96wHcJDdT8nAIoMno2NgMR3Kko 8dzSsIFDN4qeQaXtMjvftnokLQgnUTQ+p0Tj/A3Z7paQsZP/2oC4OW2omX7woX1olflX vtefc52GClSj3TT5apHN4Ji9SdpJ8o0TQ9+5O9wgszeU6EVCOLgbO6kCPmlD9QKgagcA aL8mtiQZqOrOnkg24m/whlWGrs8s8asxIoXJJ03gyruhUCPhrzANY/YX5C3AdEAEc1FL 9hsw== X-Forwarded-Encrypted: i=1; AFNElJ+UHQk4XHvm5YjhXa6hS5eziEhHmJDwFzU2E51xvD2qrDDxVqo6vzRclXF+0V1HLAMjPIhHIBapRBJA@vger.kernel.org X-Gm-Message-State: AOJu0Yy0+nZ93tIiG6h15XyyFVtPsYgRaKWZVf/9vWrV1Gri8nS+JTf3 TZaM6lhmHnOrT+p38zm7Dt721c+yw4vjQbZxa7KEJs/Sr/N4Yna/nwvkQAoi1agHbJ65hJ+rWbr v3iYGTyeTcKfN9Sr0iV9eXdXgqlIMOuN1P/5lLtmwfp7U+0kkG9fM2rmCJWi84YJY X-Gm-Gg: Acq92OGmwZT9X9X+FYTTseADUm94OdDUck1aCVvNqvSeRA7F1A03AXGnAV84dEqghaz hquBp7SAeVpJpuRGdhS4rXnqDHfWk3KeOf0ivRE4g2B/Sl7tC9DuFa3erwi9k8g38SIAhCOTt4u a0LxasX4nVuHQTMK//V/jzdcYajl2+9ifOh1ck5tCBiICF93rnunE2hHlqdVDjo0nDRvLmONr4l GQSbcJ+mkyknXpmniA0WcHr6l7W56zMRU9Lg2cbAs+AGGhxyDmfgAQpurgC722hxv7oD2te2DQn SfGpxeMFAYe2gxu1LeaqgVtNp6adxn61ePkkDv9eSLbwNi4szs1J5lP+vT542/PzaVP76hJ/Was 3QzhB6z77JGN5BdJyoWk2tq3i1AD6Cos35s5ldK3f6SIYxw== X-Received: by 2002:a05:622a:148d:b0:516:cae0:c6e9 with SMTP id d75a77b69052e-517fdc7df1cmr172113321cf.0.1781612831506; Tue, 16 Jun 2026 05:27:11 -0700 (PDT) X-Received: by 2002:a05:622a:148d:b0:516:cae0:c6e9 with SMTP id d75a77b69052e-517fdc7df1cmr172112991cf.0.1781612831079; Tue, 16 Jun 2026 05:27:11 -0700 (PDT) Received: from [192.168.120.170] ([178.235.128.140]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-bfdb4420823sm643729366b.4.2026.06.16.05.27.08 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 16 Jun 2026 05:27:10 -0700 (PDT) Message-ID: Date: Tue, 16 Jun 2026 14:27:08 +0200 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 1/2] dt-bindings: soc: qcom: Document CDSP Power Management To: Vignesh Viswanathan , Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Liam Girdwood , Mark Brown Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20260520-cdsp-power-v1-0-85eb9501a1cd@oss.qualcomm.com> <20260520-cdsp-power-v1-1-85eb9501a1cd@oss.qualcomm.com> <8d9f78d2-d414-4ffb-bdf2-e2e7bda73aaf@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <8d9f78d2-d414-4ffb-bdf2-e2e7bda73aaf@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNjE2MDEyNiBTYWx0ZWRfX/k8GR9hBepjp Ifzjwm/juLlpVApmMJfyZug/ivbM0ZW7+3rCIjZlm350I9ihft1ig+wPSYe/RDVY4s3ReDacxmg xrs1oGinznqHVow7ircAF7HfZq5ROaBCFC/xzbELcLrbPGkvRjejQua05joC/UwpKZBKUgNiqlh 5QqZp0BPKie9jgvgX/zFG97OWpDk6szJqoLlnOVIYuvwV9RxoddDCKDgQoN0q+TVAk5TWk1yZPm 4pbgLG8VZvm+CCb63R4+TIb8uxQOkKYdQ4kAhBAcvpMRTKdwpZo+iw5imx1etVyOIjBbQUD+zx1 jIYx5s2ioRat7mtf8zZBm0yKIETSENhZf00HrhnI6scVv5UnMFouytTcdz7TOQPiFldhS4UORxa jU9YQS+Tk808hzVU+B335WA0rXmmkzEqCrpHBDm6Erk6XuZmjJ8kxob1aOQC5fuV844qaN4MGEy rEE87+9G1yArjpmewHg== X-Authority-Analysis: v=2.4 cv=JKALdcKb c=1 sm=1 tr=0 ts=6a314120 cx=c_pps a=WeENfcodrlLV9YRTxbY/uA==:117 a=PRfkaYvzSr8QmIIGAkY2Sg==:17 a=IkcTkHD0fZMA:10 a=FelO9ux0wxsA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=_K5XuSEh1TEqbUxoQ0s3:22 a=EUspDBNiAAAA:8 a=sLTQJQ2odkIT5fSfO8wA:9 a=QEXdDO2ut3YA:10 a=kacYvNCVWA4VmyqE58fU:22 X-Proofpoint-ORIG-GUID: D1TeCk3P3jB5xv1o26-AMn6D9NcQYIiY X-Proofpoint-GUID: D1TeCk3P3jB5xv1o26-AMn6D9NcQYIiY X-Proofpoint-Spam-Info: AW1haW4tMjYwNjE2MDEyNiBTYWx0ZWRfX/DtOpjBK0CAX sJVUdCYA7x/5rsuWmm6/g763bgZxYvRj/Ozwi4+YE9PCXDRvKhLtYaswRLNoXEDIBhZEHDFAfjU WLiCCATjyAYBOpf5Ln21JvZziEGZPOk= X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.125,FMLib:17.12.100.49 definitions=2026-06-16_03,2026-06-15_04,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 lowpriorityscore=0 bulkscore=0 impostorscore=0 spamscore=0 priorityscore=1501 adultscore=0 clxscore=1015 suspectscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606040000 definitions=main-2606160126 On 5/26/26 9:38 AM, Vignesh Viswanathan wrote: > > > On 5/20/2026 3:29 PM, Konrad Dybcio wrote: >> On 5/19/26 9:05 PM, Vignesh Viswanathan wrote: >>> Add documentation for the CDSP Power Management driver, which handles >>> Dynamic Clock and Voltage Scaling (DCVS) requests via SMEM, manages Low >>> Power Mode (LPM) transitions via MPM handshake, and provides virtual >>> regulators for the remoteproc driver to control CDSP power rails. >>> >>> Signed-off-by: Vignesh Viswanathan >>> --- [...] >> MPM is a top-level peripheral, but this is a slice dedicated to the >> CDSP so maybe it'd pass, but.. >> >>> + <0x0 0x26018018 0x0 0x4>; >> >> This is a single random register within the CDSP's register space, so >> we should definitely be able to describe this better.. > > Will document this more clearly in the next version. By "describe" I meant "represent in DTS" - it may be that we need to expose a syscon or something similar Konrad