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 D79363CBE7F for ; Fri, 27 Mar 2026 11:09:26 +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=1774609774; cv=none; b=YF27LFlqEragpc/Onrizz9zOzEFWY3gu6BOO96tDAdaZZJapPONY85kF2dHbkAHv8SGM9IGI9ADKQ42EvlzxB0+48lYFXAF4434fr6ELpsahzGFveb6RrqcDReocY1mX1TZoXnTAGiFsh+BDmGj8rpQIzBwdLBWXvxngi8UtSXo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774609774; c=relaxed/simple; bh=nqDbSWB9uFpQcEl5dGVhJiozUd8PVgjNGSp7ucbBGys=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=gF4f2HNXJ7J1kHJDVhKagw1Q3e/qkTFVUwyD689c5Q6Mz4kbyDJUskdSccnme+dk7jTEbDhSPAEAVfXiRYncm9Ed2QFnQg+m4B93XqkDHCMEu+SGh9+/Z3ZE/WxD6y5viYgpzvnbaIEMIP/jctfWIuosm9HHBo9/3sTJx6IRRwo= 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=fLIOKGy6; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b=dN/PW56b; 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="fLIOKGy6"; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b="dN/PW56b" Received: from pps.filterd (m0279863.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 62R6w3hW1860238 for ; Fri, 27 Mar 2026 11:09:25 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= mxItrxDuYz59hTm47Ed3KaBPbLn1WnwD1kHgQZB7uYY=; b=fLIOKGy6ymkQfNBW /Uo87F0UZpNHPRcrOeaqS5zvk2qjKebOSyqRYhxGEJQB9SexhSot6HJV2zMdmZnK RahxThQ1oi5W2sLjDxqCS+wG2FJ70XkpSGFXlFM3vMtjmv6QbHR5rfVjxMcT7T5F 0JB0r1zQhEZ0KKlaSQoKU5ck9JVIH4o2bcNK5/tPU0WCVkTF03UX5mT7BMthZT2C fTkaaq0b+pVwbzgGrlpZYyAD4siYi1MHHPbl9/q/+llAKccCIPY5Ih7Cc88aVDaD OjdMMNb8ePyEw5RvMbJRUAleXwqZegP3SQXVbYYNW3piwYE9P7Z/WUOKIq2UojvL NqM9Nw== Received: from mail-qv1-f72.google.com (mail-qv1-f72.google.com [209.85.219.72]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 4d5bxv2rbk-1 (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NOT) for ; Fri, 27 Mar 2026 11:09:25 +0000 (GMT) Received: by mail-qv1-f72.google.com with SMTP id 6a1803df08f44-89cd0f68ed4so6428736d6.3 for ; Fri, 27 Mar 2026 04:09:25 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oss.qualcomm.com; s=google; t=1774609764; x=1775214564; 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=mxItrxDuYz59hTm47Ed3KaBPbLn1WnwD1kHgQZB7uYY=; b=dN/PW56bGhlXbxTpmc9h3UnWk4TPA1+hAHyaaTJfMYJD15kbeTAtgEMMuv3cDYM6dG 0GJ3kWUosw1fwg/QI/YHlq4yZUgGcQOeN4wL/zWjF1R21hiUFhbXXW3yYnXEkvEVvOFT xDqStmsXeYR0ST/SRkqJpesgezzJ43LNeOGq10SSevjt0L6ebdIazP1fMk5/DTdeURwM aZgCFj/6rYEsEA1DOCwai7kaKON4JoNjyN+m1KJkW6pwRb1S8lHeUnY1ccnOAQqLyX32 EQuAxquqy7BFh3TmpM7hTmJ0ZsM4cZ9Xn/bZX810mBX4GQZVQpr87ss+RY68YGc6ytSm dJPw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1774609764; x=1775214564; 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=mxItrxDuYz59hTm47Ed3KaBPbLn1WnwD1kHgQZB7uYY=; b=MamVijiFELUY8OzY6x9BcTTFBHowxz+gc3ArR6giLQP67WYpOGcnPbijbRd+GNdIla Rj6TnRkm4LKcOLYMOTTdi+lVj+tLGVZonEQgEfbJYzXcX/M83QHB2WhHTPnwcQL0JG2i maNkx9krpL4eydilT3Efn7lW7Wr7ZJ6k2GjHl2ym/kIsWF9hZXsmiVmNUG+j6PqOr5uu I3vo6LPyVSJCa97sKiDB2sOLKDgMHGO/EdeDqRq+yGG4oKyyEtNiz4Gsz/+8iktYbV1K kAU1PdPgw5q1Ay2N3k6/pm9OsU1LDupUcj1ymVCRFcYzWtdLccuIipe3ovC4RfQUXfmR yEqg== X-Gm-Message-State: AOJu0YyfYe/hVkEoTKnKgVteoTyFmCweNdkIJM/TALikfqYN28YYuwZk xMIzWC2y3svoFeLxNWt6u4JXWye0YJjZCZlrkGyugdeLH3uKg3RO5TVlslPaSeIcITs9r8cuyqm DfnzRodUZd/Gtg6WKu1cKeU6MSetwd5WdsWkUWVW0OyF73tuqH0dPojI2xZIP8/nZ1/jX X-Gm-Gg: ATEYQzywSCXcTL7PDFCp4J4Meh4x6lYP0J7nD+6ABheLNIHdzHzIPQ0GZFuaJ9pl0L9 eZ8wF9xd69pXUpi3yobSCsgrmqzRmqofKi2V6Z+DlfLgpRLR9gJ7RQlBbZFoxhXUrG2a3DfWjKM /ezIz1fFJyiamlV6duYpoo+M8DL35Yq2s//yiLCr+mrBDGDNAFIBt/7CxSS4vwslY9476RlpJgo Q++mRmG80uUWhOd/5jJHES4qDoz5YG3D/hOhxsJH5jhnfQSndM1EBa8xJ21/3Ky/GUcM/g9ylPm 84AgAcgMRZcasWoSR9yFQPLgOGVYlXg0LvPubKcm095FNa6jyGi3ubklAcxUtWpjJMRbPZOO15x 1yC7t3mpDccr21IZbb/S+hF/jy/QSJSa7jJDTfZaN+hNgFUw+wRF7OcM9Q9l5bwb0bMczu+Nzz4 ja/UU= X-Received: by 2002:ac8:58cc:0:b0:509:3601:cbf1 with SMTP id d75a77b69052e-50ba39a9dc0mr22325821cf.7.1774609764412; Fri, 27 Mar 2026 04:09:24 -0700 (PDT) X-Received: by 2002:ac8:58cc:0:b0:509:3601:cbf1 with SMTP id d75a77b69052e-50ba39a9dc0mr22325391cf.7.1774609763948; Fri, 27 Mar 2026 04:09:23 -0700 (PDT) Received: from [192.168.119.254] (078088045245.garwolin.vectranet.pl. [78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b9b2044274dsm230081066b.59.2026.03.27.04.09.22 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 27 Mar 2026 04:09:23 -0700 (PDT) Message-ID: <08e43485-7570-497f-9f2f-1ce4fc7ed6fa@oss.qualcomm.com> Date: Fri, 27 Mar 2026 12:09:21 +0100 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 v1] arm64: dts: qcom: hamoa-iot-som: Add firmware-name to QUPv3 nodes To: Xueyao An , Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20260327085318.2771771-1-xueyao.an@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20260327085318.2771771-1-xueyao.an@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Authority-Analysis: v=2.4 cv=A99h/qWG c=1 sm=1 tr=0 ts=69c66565 cx=c_pps a=7E5Bxpl4vBhpaufnMqZlrw==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=Yq5XynenixoA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=yOCtJkima9RkubShWh1s:22 a=EUspDBNiAAAA:8 a=B4HikTB3W-0rk1GVoTwA:9 a=QEXdDO2ut3YA:10 a=zZCYzV9kfG8A:10 a=pJ04lnu7RYOZP9TFuWaZ:22 X-Proofpoint-ORIG-GUID: xg_rA6y6ngq57B1d08FnDJ3oGcnCLr8I X-Proofpoint-GUID: xg_rA6y6ngq57B1d08FnDJ3oGcnCLr8I X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMzI3MDA3OCBTYWx0ZWRfX3qDdI/ZtG8tF yyPAhf/AX98hInfuXhOBV7+ND4pNurCh207u8RwW1Xz3qphJc1QRcoLHuDEvqAQGCDgv95ZSZ4b bJeBbLmYq8EDOLSJ7/t2i+byOSwprZ31tE/yyR8r7aLKYnu/ymMbh8diPvYH2y8uGEKfaN2aRxp 1Jh9fua7CesMGQdh+bjPrjAusAcY+7lv11q0CoM2SC3TE2G0v9kfdx03i+csvxS3TjP+cCMHBjE bz0rIVY2M7xaL9qXVXbDtDTxfwMnIuwYmst8Nj+oAw4O0ixQPml5h+zARvapYZQTFpmtfKFxdUS 32T+D7vN2a4VWNSwb9JkpQv58uleJ/5spUsrzIBdzwUtUIV/TKFKJ0emNMBZH8AYC/sbRZPMyLF sDE2yZuTIz7jqgKOtIhD0D/aeSNfaG9PhkZzgS4XN+b3g1AjJkwqIIt82iQkptBjjR435+K3Ds6 YRDZFRkVAeX7jVfxqag== 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=2026-03-26_04,2026-03-26_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 adultscore=0 malwarescore=0 spamscore=0 impostorscore=0 phishscore=0 bulkscore=0 lowpriorityscore=0 clxscore=1015 priorityscore=1501 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2603050001 definitions=main-2603270078 On 3/27/26 9:53 AM, Xueyao An wrote: > Traditionally, firmware loading for Serial Engines (SE) in the QUP hardware > of Qualcomm SoCs has been managed by TrustZone (TZ). While this approach > ensures secure SE assignment and access control, it limits flexibility for > developers who need to enable various protocols on different SEs. > > Add the firmware-name property to QUPv3 nodes in the device tree to enable > firmware loading from the Linux environment. Handle SE assignments and > access control permissions directly within Linux, removing the dependency > on TrustZone. > > Signed-off-by: Xueyao An > --- Reviewed-by: Konrad Dybcio Konrad