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 B557037754B for ; Mon, 16 Mar 2026 23:59:13 +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=1773705555; cv=none; b=JIu7oM7oEPvrH1hxO7mUEoWOCoZqlCth8QTOMmp3sx2Y14EWydIiMrueabaWLReQst0jyNcVJ0VZmBJQpalMlNSii1yCJMxwiY7A+5PGTUF/BKP/4eaIsXRhpnrVDQ9ZNb3sGM5QabckyHUE7qjRQU8O9oHnIRMoZ6HxJrlMJ9E= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773705555; c=relaxed/simple; bh=oYI7z8iNeGM+rWeGruiVvP9NSZYISmtijRyIFVFhaWw=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=pI5RRI4DQ4VohNJZugtAXP9LbdThaw+sNkTQwhKPLn/HUAvOIygSrR0z2QDTc5CotiKHLPE1N2njqVwR1IypxnWj2EfVCx6nQL4LXxdfyYA38q2B2QPOwF/RtK/O2D3ghcIT7FVHjXWuw+3i5rwbASrknNpKp5u+/3vNIandlZ8= 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=dJR3uFYQ; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b=Um/mRwLb; 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="dJR3uFYQ"; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b="Um/mRwLb" 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 62GFMpa22314567 for ; Mon, 16 Mar 2026 23:59:12 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= YHpf0qlU3IbYn7PC2sJHn8f+KjEEdcZ9cbZSK+YEuC8=; b=dJR3uFYQFKZnaDIq rw5NtfZjwfBibMjzmxr0xyCL2SrF5/g59LnZPAZfzBwnxHGx4TfI6Xs+EaJsyUCk S53okrqdp89yrRLUrDoglvkqziY5eQTfY5ow6cvmcjojaK8VkKiGyfl3Pwnjp3Zd o9CmCRDj4WnJY1RZO2P/tnLgsWwoZaCztARZ5v5N8i7DS24A3TgzHzreqaZatk9u PhCnEr2L3wY3QItMuTNqMzTO9EsSmodqv9PKyPejPFb79M+de/PssSm/3pQ3hafE ifZ9cT8f0cJhbHVNQb7S+afoodgsJai9EqBaKbS8CLxtDRSmccIaSaDZNHR88Ac3 0twfiA== Received: from mail-dy1-f197.google.com (mail-dy1-f197.google.com [74.125.82.197]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 4cxmf29g1p-1 (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NOT) for ; Mon, 16 Mar 2026 23:59:05 +0000 (GMT) Received: by mail-dy1-f197.google.com with SMTP id 5a478bee46e88-2ba9a744f7dso5002030eec.0 for ; Mon, 16 Mar 2026 16:59:03 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oss.qualcomm.com; s=google; t=1773705540; x=1774310340; 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=YHpf0qlU3IbYn7PC2sJHn8f+KjEEdcZ9cbZSK+YEuC8=; b=Um/mRwLbhpKm9Lr7cvRjPiCfHIesyfJ0Zohbs8QH/eB3QlzHUNK2IQKJjNDizC2NQA 9BH9NhHutKqQirDWHbJN3y6B24xa+vSNEE2+jCEwPkPSLwFYFWgHhUa+oXgmtAG1pfQR 47HsDXww2XIivytlYi8EKButYUhMQ5ANKr1gazCZSrn1y8uT5tx94U53cu8Psg1UIXD8 ZD5h4vhVpiUqDwKOPUHj00xv0vVtV2ii9FpuocsD4XwZfRRm761f6Po4WT4cDt8P317t V4YTZ7fuuTz/O46mSpeLr4BVDhokLefZ1wvPAzmtfyESxozF+dW5w+zIVngGsnPK7g50 8k2w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1773705540; x=1774310340; 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=YHpf0qlU3IbYn7PC2sJHn8f+KjEEdcZ9cbZSK+YEuC8=; b=hlxWS7IwLJpuxHwiS427mOW66N6Va1dtAPRbPcZJnfr+Q1C6+mm0XZwGAqJi5TU6KM XGI/E7QetMhqRmJWaPLKHNHMs2pEz0O78ypT6VRIqmt1TWu2EDU887VrMqCkfex3at/M iDVlUpzj0e7LVTyGHsGA73e1rKIfLgrd+yAXBNcQbq4iVrnClc6vupU3tQEG6WaYJHoF lQ8S/w+CoyoISdjkCcV/3aKH2NpMUeJhTcTEH+NpbpP6pBJm9C+VNc00+1IUvC5p72Zi 75KL91QbitK9SiQ0z/By+MobIZZPbCU/epnWYgl4kKXcXpmTsPew9HClEHQ6vO5KDi7y aUzA== X-Gm-Message-State: AOJu0YwEF+GVaXPANShuvkpxYKJqRf/jzPsv8M7s7L+ZtsvGOpz+KxRx sJHOjycuZqaUQpFWP44oqT5fyBNEU1EPGeAwMv/+7O2s+0d+XBkHwYODXUGEfwpKAl2vtSy32qG E2/ukqWqfJe0jMIk7imaOX+nw6QmZGyKO/zbHLhhy/MdWW8lrvARQh3ch4agh4TiznUKS X-Gm-Gg: ATEYQzxd36GJkQhofj4wx63ot+PKcAI/qz2UZz090gOW+fM40at/oFGm6cboRYCCd1N 9qpo+4FImBqDK4deTR9KXduiNNbZPtcPvXRqzHPYJNr+uh1eGgIeVpJjMyrTyaVVV76H/xUply7 /m9iI6WROJtunjgO24qekZRJvvikp6lFVWkl7p3ydUh1AuZR1e8eHHbebDpsT4HqOYcRxYHm7Uu hn87ixPkjq9N+TL3JbjVJ637cAEgAE/UbE677jhX89CTpP23wvr6Uht57SNLUnKp9AcVBCFRJ42 7j9/4sA0p9/x6OpKj7mhD6Dax8WDKlBrf7ki5WQrqmGpouc5MEw+l9azjs3zVTN9zV9uzZRMcld r65PO0I4xJIwzJd8HY0DjaruAMVMyjXKpwzdkRhtqP4Nz0GSehVXsm+uDB8u89FywNMLSq+26yc Z7Lw== X-Received: by 2002:a05:693c:2c93:b0:2be:8216:57e5 with SMTP id 5a478bee46e88-2bea53ec7c3mr5584728eec.9.1773705540292; Mon, 16 Mar 2026 16:59:00 -0700 (PDT) X-Received: by 2002:a05:693c:2c93:b0:2be:8216:57e5 with SMTP id 5a478bee46e88-2bea53ec7c3mr5584707eec.9.1773705539673; Mon, 16 Mar 2026 16:58:59 -0700 (PDT) Received: from [10.71.185.57] (i-global254.qualcomm.com. [199.106.103.254]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-2beab3cd473sm16316228eec.8.2026.03.16.16.58.58 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 16 Mar 2026 16:58:58 -0700 (PDT) Message-ID: Date: Mon, 16 Mar 2026 16:58:57 -0700 Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v5 2/3] arm64: dts: qcom: Introduce sa8255p SoC To: Konrad Dybcio , Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Dmitry Baryshkov Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Prasad Sodagudi , Nikunj Kela , Shazad Hussain References: <20260304-b4-scmi-upstream-v5-0-f8fc763d8da0@oss.qualcomm.com> <20260304-b4-scmi-upstream-v5-2-f8fc763d8da0@oss.qualcomm.com> Content-Language: en-US From: Deepti Jaggi In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Proofpoint-ORIG-GUID: _yKDTRVyU9BbbWRscvSImlY8pDkcZc8g X-Proofpoint-GUID: _yKDTRVyU9BbbWRscvSImlY8pDkcZc8g X-Authority-Analysis: v=2.4 cv=FvcIPmrq c=1 sm=1 tr=0 ts=69b8994b cx=c_pps a=Uww141gWH0fZj/3QKPojxA==:117 a=JYp8KDb2vCoCEuGobkYCKw==:17 a=IkcTkHD0fZMA:10 a=Yq5XynenixoA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=yx91gb_oNiZeI1HMLzn7:22 a=KKAkSRfTAAAA:8 a=VwQbUJbxAAAA:8 a=EUspDBNiAAAA:8 a=COk6AnOGAAAA:8 a=xiaT7CXxcbYZedJJ_CoA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=PxkB5W3o20Ba91AHUih5:22 a=cvBusfyB2V15izCimMoJ:22 a=TjNXssC_j7lpFel5tvFf:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMzE2MDE5OCBTYWx0ZWRfX2OjO6oj3reou bU1jeA5myvDbqswrfsSAiN1UwZGIvIIrFuNwOVghAOc3zLpN6foeW5CUzOXnNiRbj45GQe08OP1 vWHr6tAwmJd1LTymD3WZtYPvFH5WO5GzmwZE0/3fMApJxtCUE57bOL9VueHhZBAzPw/fZxgbznd RL8qnr7DTXRdwZelSzxLF3R902v/737IUnuQYoxnED5kR95FaK307GDBXI8pRygf6CeQ9RdoJBM 151qbvM1RUf8woN76MzyQHitbL7h9XRjwIWbbmlTuxbTTHh73mQoa/VqNnvoY6H2PqoYP7IniOx yD0JvrJqbCkvoXMiZxFwWDUHADIB9mS1QzKlhNq/oPIO6kqnOdS6bB8cHUves4wfisnQ0+AJ7Xt y72t7yYU/nmjeCFei8S16RlTH9L9u80xGVPh+xbZl37tlj6asJnUsJKlbPM/25GX6lnq5rgSk81 Taeo6OtjQfeDwAWNhLQ== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-03-16_06,2026-03-16_06,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 priorityscore=1501 suspectscore=0 phishscore=0 lowpriorityscore=0 bulkscore=0 spamscore=0 clxscore=1015 malwarescore=0 adultscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2603050001 definitions=main-2603160198 On 3/11/2026 6:41 AM, Konrad Dybcio wrote: > On 3/5/26 5:28 AM, Deepti Jaggi wrote: >> From: Nikunj Kela >> >> Introduce base device tree support for sa8255p Qualcomm's automotive >> infotainment SoC. The base dt file describes core SoC components- CPUs, >> CPU map, ipcc, QUP, geni UART, interrupt controller, TLMM, reserved >> memory, SMMU, firmware scm, scmi, watchdog, SRAM, PSCI, ufs, pcie, pmu >> nodes and enable booting to shell with ramdisk. >> >> The Qualcomm automotive sa8255p SoC utilizes firmware to configure >> platform resources such as clocks, interconnects, and TLMM. Device drivers >> request these resources through the SCMI power,reset and performance >> protocols. Assign each device driver a dedicated SCMI channel and Tx/Rx >> doorbells to support parallel resource requests and aggregation in the >> SCMI platform server. Operate the SCMI server stack in an SMP-enabled VM, >> using the Qualcomm SMC/HVC transport driver for communication. >> >> Group resource operations to improve abstraction and reduce the number of >> SCMI requests. Follow the SCMI-based resource management approach >> demonstrated by Qualcomm at LinaroConnect 2024.[1] >> >> Limit initial support to basic platform resources, serial console, ufs >> and pcie.Defer enabling USB, and Ethernet to subsequent updates. >> >> [1]: https://resources.linaro.org/en/resource/wfnfEwBhRjLV1PEAJoDDte >> >> Co-developed-by: Shazad Hussain >> Signed-off-by: Shazad Hussain >> Signed-off-by: Nikunj Kela >> Co-developed-by: Deepti Jaggi >> Signed-off-by: Deepti Jaggi >> --- > [...] Thanks for reviewing the series . >> + tsens2: thermal-sensor@c251000 { >> + compatible = "qcom,sa8255p-tsens", "qcom,tsens-v2"; >> + reg = <0x0 0x0c251000 0x0 0x1ff>, >> + <0x0 0x0c224000 0x0 0x8>; > All TSENS regions are 0x1000-long > > [...] Ack > >> + tlmm: pinctrl@f000000 { >> + compatible = "qcom,sa8255p-tlmm", "qcom,sa8775p-tlmm"; >> + reg = <0x0 0x0f000000 0x0 0x1000000>; >> + interrupts = ; >> + gpio-controller; >> + #gpio-cells = <2>; >> + interrupt-controller; >> + #interrupt-cells = <2>; >> + gpio-ranges = <&tlmm 0 0 149>; >> + wakeup-parent = <&pdc>; >> + }; > Praveen suggested GPIOs are not controlled by Linux: > > https://lore.kernel.org/linux-arm-msm/12063990-70fe-4faf-89fa-c74c7bd97f42@oss.qualcomm.com/ > > Could you comment on this? > > [...] For buses,FW is handling, but for PCIe and ethernet , pin configuration is controlled by Linux.  > >> + aoss-0-thermal { >> + thermal-sensors = <&tsens0 0>; > Is Linux going to act on any of these thermal trips? > > Konrad Thanks, Deepti