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 654042EBBB9 for ; Wed, 15 Jul 2026 13:41:15 +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=1784122876; cv=none; b=lQcyEbSj6O/nERlncLnbco6U9tEvlR83zbkJ8CnyV/pkOF2DTgNDrALnwgW3WrEHrY9Uj3rEhox/pI8po7bKhbGrOc3J3LjqSyl5VX4Isi+yeNQBy3OGjUv4AV8arZeElojYtYxO9b7C1FJP0Yh6HASkY+2ZSoFqPo2xLiF73Fk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784122876; c=relaxed/simple; bh=pz2SYwnFXEo45x3poxgyvBRBbqKCYUxUb17sAp4CMLU=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=j8Bd3y9OJdE1C2tXjz4bkfOvEyFW+3sTdftK7aYCDImB2Pj9tvgEkEMj7HnY0jHZD0LKjk4UKaer6MJnH6Q1IKAC/yTK+c3EZD6Rz80DQ5fq5hTNBdbW6QRfrlkQvo3dTUkRW2jLd68iNGb3XWif/BxXOaKUUllXQzout92TCUk= 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=aY+PmiaR; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b=K4E4R846; 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="aY+PmiaR"; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b="K4E4R846" Received: from pps.filterd (m0279864.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 66FBcf643338725 for ; Wed, 15 Jul 2026 13:41:14 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= pz2SYwnFXEo45x3poxgyvBRBbqKCYUxUb17sAp4CMLU=; b=aY+PmiaRg48/HlSe vRnBgSuzHMhSstyNa8a/9mrzriUVMu+7ckJvNBKVeZMoppt64ss9KhWTesJPe9Ur Qrkm1F580Zqe5AHf47PbGDjrAr16DJC3M0uTSSw8wpjCr5uteZemAYFTOyMvxZK9 1f4C8zsyQx7i+mV8GVwBmI/dBYnvO9laS7zMMng9v+LF+hgtLhexOP8EVkfBj5bC KmVbqQnVyciR1ACCgYhd2K2U5T75ZgrNDY0zbgudulXPhDjWsv/1urnOCRoCzGNS FwIhohpIrcDI2qLby7C3O4pUOf+OMdW2htV2w+WQwqkDgFWSoZL+MLEicfNPK2l/ nS4llg== Received: from mail-qv1-f71.google.com (mail-qv1-f71.google.com [209.85.219.71]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 4fds9mkxef-1 (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NOT) for ; Wed, 15 Jul 2026 13:41:14 +0000 (GMT) Received: by mail-qv1-f71.google.com with SMTP id 6a1803df08f44-904dac0f77fso86025536d6.1 for ; Wed, 15 Jul 2026 06:41:14 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oss.qualcomm.com; s=google; t=1784122874; x=1784727674; 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=pz2SYwnFXEo45x3poxgyvBRBbqKCYUxUb17sAp4CMLU=; b=K4E4R846Uhr0Plywh1igSz6qVhwy4vJ49lI+C1kLgyQNpZUbLh+dsLhE47jFHiJw3v DNrEO220byKyiJOxBFXqpjNFzLhuYtqnsLFnl0ks4FoNhlFaQ/WjVBY7z3yRZiB3xxac 6c0a8/59uUkPlnCPMYZDDUrTmTDZp7cAfB6XQuGVF9scv7ulPuEszJykjPJDwz4xGzyv kUMyPBo7pkqpZr1oo24DaihnUdfaEc63bjaryE8McOLYkgNBn4s7E9euHnaIKWNIYOJR 6Vah++oRTnn73SlVAGyVpP3mFdUSdNPzuiJ0PZgs9p3NubK+ldSoP3AO8Q/eROfpEEb3 DqtA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1784122874; x=1784727674; 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=pz2SYwnFXEo45x3poxgyvBRBbqKCYUxUb17sAp4CMLU=; b=pVfD2pCdhAeQbWw3C/kNPHS5qrdcj1tZ/5T4H/sHNIzG2qDQUhEv71d//psbRIJIPQ gGzDovYEncxw1eayYHCGnK8BenwK0Y7NlgCBf5tZ0Oxh6nWQ65BdP9+KUubj4YaYLiz8 Goe/kdp8pedWi2LVYNtOwyG3gg/a90rU6HWtGSWez1liuBINA3D9hXmA1PRomCVM5mSk jxTbhC6vd0c0FIK9Yp5LPdY4UZqXC2cV2yT0fFdQnZSUsEmzs3Brh9I9z1fXx1MNGERY Pa4r31LcBHe9cgpeuc/yrHiUCzVVS/NI4sPZzyw2N5xHsptUNPHqC+hWYX9PVPcDukja YbZg== X-Forwarded-Encrypted: i=1; AHgh+RpfMJWwckhgQzOE8ssUpnrH+sfrKv0BHDN5vArTGFCVncMpVE6s7Jzq9Jq6ZKXsRH/HJhXRFocbufxO3JA=@vger.kernel.org X-Gm-Message-State: AOJu0YzP9GOGMDLAdY8NA4SJf+BXZbA9GmyyFqMwXDrRkptSx2sSVSTX kTxqVUBFME7hp8Fsk8gGMjyMAM2/yRaiY1Dxehemg0KecUwpyBwh2IxLT0G1tXvrep5lMopPt6i QuRSh9rUL8n8xi4ko6Ib4vBwjvLpqjiQ6vf2eMGagq2aGitR1Z+usNZpRIrPoFdRKPJ5/L6tlmt Y= X-Gm-Gg: AfdE7cmxoHI92zC0YaTck2rQLMHnRnjXSwAv8JiBfwSfqNxkEU3+y9zs1YTF9qiUOmK AzSiet4bhu/FHXhLIVBBIowDhZ5pMUjFZPiKLqWLm2bY4UNL2nvkpQgc7TV/eSEoyDJ+QLSrCnr LoF7Q2UppN05rwTjPb4dC1TZvoLfuNrT38fSyI6yLcD7x8Y0bkCvOUsv1SdbupW+s/SOYY1u5So UxIbiuG3ZqL0IM6aFWekWhpmIB9853aoIH0eWqbglxeE0UaZaTR6yhRBNyMQwr2maiD4wh1n/Kw ET/Sz441n17zOi/9JVNqRrRaEJybmw88WxaG4UCQ/tvps/GeFnOb53Kj9CxvJFZZM6Ix9aiaIkF NfRO4Zdzp7QQJZEqyy3HmjtCzZd6UxtoN24TE7w== X-Received: by 2002:a05:6214:488f:b0:902:be55:9f2 with SMTP id 6a1803df08f44-9074c826a7emr78195066d6.32.1784122873636; Wed, 15 Jul 2026 06:41:13 -0700 (PDT) X-Received: by 2002:a05:6214:488f:b0:902:be55:9f2 with SMTP id 6a1803df08f44-9074c826a7emr78194556d6.32.1784122873043; Wed, 15 Jul 2026 06:41:13 -0700 (PDT) Received: from [10.218.18.44] ([202.46.22.19]) by smtp.gmail.com with ESMTPSA id 6a1803df08f44-8ffd87c9500sm193023346d6.46.2026.07.15.06.41.04 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 15 Jul 2026 06:41:12 -0700 (PDT) Message-ID: <4f641f13-a278-4465-8033-670c7279a7e3@oss.qualcomm.com> Date: Wed, 15 Jul 2026 19:11:01 +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 v5 11/11] arm64: dts: qcom: shikra: Add gpio-reserved-ranges to tlmm To: Konrad Dybcio , Vinod Koul , Frank Li , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Krzysztof Kozlowski , Georgi Djakov , Bjorn Andersson , Konrad Dybcio Cc: linux-arm-msm@vger.kernel.org, dmaengine@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, Anurag Pateriya References: <20260702-shikra-dt-m1-v5-0-f911ac92720c@oss.qualcomm.com> <20260702-shikra-dt-m1-v5-11-f911ac92720c@oss.qualcomm.com> <9c1aab59-14b2-4811-b778-8e96645bd65b@oss.qualcomm.com> <97b205e8-5ab7-4205-b1dc-cbcb0497987d@oss.qualcomm.com> <986da1da-db2e-4d4a-b9d0-70482adaf4bd@oss.qualcomm.com> Content-Language: en-US From: Komal Bajaj In-Reply-To: <986da1da-db2e-4d4a-b9d0-70482adaf4bd@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzE1MDEzNiBTYWx0ZWRfXwwSVg5GjQPN7 BV8SOZSOgY66Qbd24Ps1Ar9YTE3xvtUqQxJzZtxtLu+dXiqQXsJFLKI4khvvu6cC0anD1c+WEEB fcfpWH2+rVBxf9PH4cEVr9L4w2pwjlZOlCv2YHFpwzR/GaFcENyfSgpPMQTCXWsQghL/4+NPyOO A0t9yN7+2eTtrVHBM1AsPJsD7AIcLbPt37zeKppyAesZKVJFVRA84AUenOV+UVctRbtsSkJoaSf oCc7qCLzNKasChPvbydV8m1FTxPlVjZ35BeNWIJhjv4wJz6GMkaPqd/B950ld7h6F2FCABPcWUs vnyNsAGV2hR+9bvlhuAKJRwa6C5uA0M4e8CLLbWL5Hqd8Jrzy+1GRCjltSIkT5OTpknTiTuKxym XY420n2V20ErTBSyRpFLllh6jlopOeZi3qGARLf2/Du6NYmxvhjhndbf87ej1s5R699j5+XvC76 tnus9OBlNMke/VqxWvg== X-Proofpoint-ORIG-GUID: vcrlksB4yDc70hqNl0l4DBlTYFuJ1g2r X-Proofpoint-GUID: vcrlksB4yDc70hqNl0l4DBlTYFuJ1g2r X-Authority-Analysis: v=2.4 cv=E+79Y6dl c=1 sm=1 tr=0 ts=6a578dfa cx=c_pps a=UgVkIMxJMSkC9lv97toC5g==:117 a=fChuTYTh2wq5r3m49p7fHw==:17 a=IkcTkHD0fZMA:10 a=RAioF0-LDSMA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=DJpcGTmdVt4CTyJn9g5Z:22 a=29Tt0ABisfwxuJ5Aca0A:9 a=QEXdDO2ut3YA:10 a=1HOtulTD9v-eNWfpl4qZ:22 X-Proofpoint-Spam-Info: AW1haW4tMjYwNzE1MDEzNiBTYWx0ZWRfXy9EfsOLcONna Ps8OW4mnvJBCytyPpk6J9OVT1A5c8JFtiItDkZhVd+H0WxXrJMeEvJZbcF9uGy3AxGs6nuhEU9r 33ZOqe/8JYrJg8sVEaSp04Kik++7jQM= X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-07-15_02,2026-07-15_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 clxscore=1015 lowpriorityscore=0 spamscore=0 impostorscore=0 adultscore=0 priorityscore=1501 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607150136 On 7/15/2026 3:57 PM, Konrad Dybcio wrote: > On 7/7/26 6:36 PM, Komal Bajaj wrote: >> On 7/2/2026 4:25 PM, Konrad Dybcio wrote: >>> On 7/2/26 11:50 AM, Komal Bajaj wrote: >>>> Add gpio-reserved-ranges property to the tlmm node for all three >>>> Shikra EVK variants (CQM, CQS, IQS) to mark GPIOs used by the >>>> SoC internally and not available for general use. >>> These are generally added to prevent non-secure access upon TLMM >>> probe, i.e. the board won't boot if some of them are not protected. >>> >>> I assume the proposed set contains both ones that are _absolutely >>> forbidden_ for Linux to touch, but also ones that are dedicated to >>> some specific purpose that Linux _shouldn't_ touch. >> Yes, some GPIOs are reserved for secure-world use and are therefore not accessible from the non-secure world. >> I will update the commit message accordingly. > I'm not sure how to read your response. In other words - is this > patch boot-critical? Yes, with Access Policy enabled, it becomes boot-critical. Thanks Komal