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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?