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 A12D54CB31; Mon, 22 Jan 2024 17:50:09 +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=1705945811; cv=none; b=RNm/R1UrxoS2Kaort5y+6ghPKQJVvrctR00aBGvPW9JL9OnqunfqwblBdTs8kY1YEb8Ez7s1U6ht1ITv2qTaxuIBlxSw7t2CEox/HuWXOlRf4JYPwoICRLRBO3ES/CExCszCv7ewQ+U4Rk/lpBbizDcga4wy3rvMjNItH7VubaM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705945811; c=relaxed/simple; bh=nrjMhgFBwkaAZ6DvfofhjPey8YCxeJKDIVmE6A5ckUE=; h=Message-ID:Date:MIME-Version:Subject:To:CC:References:From: In-Reply-To:Content-Type; b=lWq4UjQ8NadYmJonOlC0UCkj6p6Vw4wb56QzF+TSaXYAylt0GC+OwXuccK+ehnlGwji5pF37o9a/missZcfRJ9QYiDuP1lpvtunSzw2VPVdse1as0H29W5REaC0Qiwy5E5gXxc18/+KHgsaSP+80ELKjxNLDmpEXqIbqXQjLXvc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=quicinc.com; spf=pass smtp.mailfrom=quicinc.com; dkim=pass (2048-bit key) header.d=quicinc.com header.i=@quicinc.com header.b=HSbkB7nq; arc=none smtp.client-ip=205.220.180.131 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=quicinc.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=quicinc.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=quicinc.com header.i=@quicinc.com header.b="HSbkB7nq" Received: from pps.filterd (m0279869.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.24/8.17.1.24) with ESMTP id 40MDaFQe003288; Mon, 22 Jan 2024 17:50:06 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h= message-id:date:mime-version:subject:to:cc:references:from :in-reply-to:content-type:content-transfer-encoding; s= qcppdkim1; bh=gmrF2yQZXmlhVvRx/bjIoxB2JXFJsegupGpfsEiApCE=; b=HS bkB7nqo1xBBC828dhvRL3EKRNeEZuF4dpKmSxLV03TYc6SmwvkB5qas1x4ku/w0F a2j4WQUEvZPjzrBA1Mkyd/b3vWuJFus9Y144+eGU9ptly4gv5gX0N4kyUB9r0A9S OhVDV4xOOjG2rv4xA5ZwHsXtF7XQUXZM2ceEgobPGg7wJBIXxJjWNxkI72VXhsHM T61mqykPZORWX3qOV2mgRIsODFVqkA1Tsw4TnTLv3DhpjyICPuV3OISf0G5175+p 4gIkx7gGMmmDNmucn5N9EkjpdqMNyn9PohAHtH9TLcWGvah2HxH4CKGSdLIw1aPz AUq72JIUdCB7WJTAhaog== Received: from nasanppmta01.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3vspw8s4hf-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 22 Jan 2024 17:50:05 +0000 (GMT) Received: from nasanex01b.na.qualcomm.com (nasanex01b.na.qualcomm.com [10.46.141.250]) by NASANPPMTA01.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 40MHo4ED020349 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 22 Jan 2024 17:50:04 GMT Received: from [10.110.104.139] (10.80.80.8) by nasanex01b.na.qualcomm.com (10.46.141.250) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.40; Mon, 22 Jan 2024 09:50:00 -0800 Message-ID: Date: Mon, 22 Jan 2024 09:50:00 -0800 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 0/2] Add board-id support for multiple DT selection To: Konrad Dybcio , Amrit Anand , , , , , CC: , , , , References: <1705749649-4708-1-git-send-email-quic_amrianan@quicinc.com> <6ceb3c5d-4171-4f0e-a1c0-22a8488ea2bc@linaro.org> Content-Language: en-US From: Elliot Berman In-Reply-To: <6ceb3c5d-4171-4f0e-a1c0-22a8488ea2bc@linaro.org> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) To nasanex01b.na.qualcomm.com (10.46.141.250) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: 00ZgLwGHbsDfPXQ8AKTa0gTrYi7OTktY X-Proofpoint-ORIG-GUID: 00ZgLwGHbsDfPXQ8AKTa0gTrYi7OTktY X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.1011,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2024-01-22_07,2024-01-22_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 malwarescore=0 adultscore=0 mlxscore=0 spamscore=0 lowpriorityscore=0 bulkscore=0 clxscore=1011 suspectscore=0 impostorscore=0 mlxlogscore=601 priorityscore=1501 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2311290000 definitions=main-2401220124 +devicetree-spec On 1/20/2024 5:04 AM, Konrad Dybcio wrote: > On 20.01.2024 12:20, Amrit Anand wrote: >> Device manufacturers frequently ship multiple boards or SKUs under a >> single software package. These software packages will ship multiple >> devicetree blobs and require some mechanism to pick the correct DTB for >> the board the software package was deployed. Introduce a common >> definition for adding board identifiers to device trees. board-id >> provides a mechanism for bootloaders to select the appropriate DTB which >> is vendor/OEM-agnostic. > > Maybe it'd be a good idea to add it to the base spec! > > https://github.com/devicetree-org/devicetree-specification > I agree. Rob, what do you think?