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Tue, 10 Dec 2024 15:17:36 GMT Received: from bt-iot-sh01-lnx.qualcomm.com (10.80.80.8) by nalasex01b.na.qualcomm.com (10.47.209.197) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.9; Tue, 10 Dec 2024 07:17:32 -0800 From: Cheng Jiang To: Marcel Holtmann , Luiz Augusto von Dentz , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bjorn Andersson , Konrad Dybcio , "Balakrishna Godavarthi" , Rocky Liao CC: , , , , , , , , Subject: [PATCH v4 1/4] dt-bindings: net: bluetooth: qca: Expand firmware-name property Date: Tue, 10 Dec 2024 23:16:33 +0800 Message-ID: <20241210151636.2474809-2-quic_chejiang@quicinc.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20241210151636.2474809-1-quic_chejiang@quicinc.com> References: <20241210151636.2474809-1-quic_chejiang@quicinc.com> Precedence: bulk X-Mailing-List: linux-bluetooth@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) To nalasex01b.na.qualcomm.com (10.47.209.197) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: z9azDFe--YnD8G9vT4txP55g11F3Tkvy X-Proofpoint-GUID: z9azDFe--YnD8G9vT4txP55g11F3Tkvy X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.60.29 definitions=2024-09-06_09,2024-09-06_01,2024-09-02_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 bulkscore=0 suspectscore=0 priorityscore=1501 adultscore=0 mlxlogscore=999 clxscore=1015 spamscore=0 mlxscore=0 lowpriorityscore=0 phishscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2411120000 definitions=main-2412100114 Expand the firmware-name property to specify the names of NVM and rampatch firmware to load. This update will support loading specific firmware (nvm and rampatch) for certain chips, like the QCA6698 Bluetooth chip, which shares the same IP core as the WCN6855 but has different RF components and RAM sizes, requiring new firmware files. We might use different connectivity boards on the same platform. For example, QCA6698-based boards can support either a two-antenna or three-antenna solution, both of which work on the sa8775p-ride platform. Due to differences in connectivity boards and variations in RF performance from different foundries, different NVM configurations are used based on the board ID. So In firmware-name, if the NVM file has an extension, the NVM file will be used. Otherwise, the system will first try the .bNN (board ID) file, and if that fails, it will fall back to the .bin file. Possible configurations: firmware-name = "QCA6698/hpnv21.bin", "QCA6698/hpbtfw21.tlv"; firmware-name = "QCA6698/hpnv21", "QCA6698/hpbtfw21.tlv"; firmware-name = "QCA6698/hpnv21.bin"; Signed-off-by: Cheng Jiang --- .../bindings/net/bluetooth/qualcomm-bluetooth.yaml | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/net/bluetooth/qualcomm-bluetooth.yaml b/Documentation/devicetree/bindings/net/bluetooth/qualcomm-bluetooth.yaml index 7bb68311c..2782d2325 100644 --- a/Documentation/devicetree/bindings/net/bluetooth/qualcomm-bluetooth.yaml +++ b/Documentation/devicetree/bindings/net/bluetooth/qualcomm-bluetooth.yaml @@ -101,7 +101,10 @@ properties: max-speed: true firmware-name: - description: specify the name of nvm firmware to load + description: + If one item is present, specify the name of the NVM firmware to load. + If two items are present, the first item specifies the name of the NVM, + and the second specifies the name of the rampatch firmware to load. local-bd-address: true