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Mon, 09 Nov 2026 21:31:59 -0500 (EST) Received: from ASHBMBX8.ad.analog.com (ASHBMBX8.ad.analog.com [10.64.17.5]) by nwd2mta3.analog.com (8.14.7/8.14.7) with ESMTP id 6AA2VwxF039269 (version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Mon, 9 Nov 2026 21:31:58 -0500 Received: from ASHBMBX8.ad.analog.com (10.64.17.5) by ASHBMBX8.ad.analog.com (10.64.17.5) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1748.37; Mon, 9 Nov 2026 21:31:58 -0500 Received: from zeus.spd.analog.com (10.66.68.11) by ashbmbx8.ad.analog.com (10.64.17.5) with Microsoft SMTP Server id 15.2.1748.37 via Frontend Transport; Mon, 9 Nov 2026 21:31:58 -0500 Received: from JGERONI2-L01.ad.analog.com ([10.66.6.193]) by zeus.spd.analog.com (8.15.1/8.15.1) with ESMTP id 6AA2Vme9016682; Mon, 9 Nov 2026 21:31:51 -0500 From: John Erasmus Mari Geronimo To: CC: , , , , , Subject: [PATCH v4 0/2] Add LT8491 driver Date: Tue, 10 Nov 2026 10:31:38 +0800 Message-ID: <20261110023140.468-1-johnerasmusmari.geronimo@analog.com> X-Mailer: git-send-email 2.44.0.windows.1 X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ADIRuleOP-NewSCL: Rule Triggered X-Proofpoint-Spam-Info: AW1haW4tMjYxMTEwMDAwOSBTYWx0ZWRfX7xs6TlHh5jSK mduVLBs752LyFszQr1HUtHVTNEEGF2jRT5aubnoxoKXJ7yD/o7J3dVucS3by+jVmZMF2QIxlZqf tmTt1uPhAV4/Mu41NbFIF6JW1uCA2nNw5rEyuTBAaRUBXMQtAwos X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYxMTEwMDAwOSBTYWx0ZWRfX461W9a2kNpPN OllynwjgPO3QAyC7q0PbgfRsOcRPW4JMpUeU1VBXEY4B0mzLSxg4k8/U/dRBDM7io0rbSyaRjf3 2MMI71x1ja4J4kgl1sqWL6yrcAwG6dwu09SpAgCbgMhapQnsDMMPNV2SZR56P/0/uAIJPH23c0P It0/Y+oVMEdUIQhMpPY3rQl2ND0PoCOj1gWK2ByIfsO1JWxr6yQCO6VXE8vlC1FjQeN9cFxM9m8 RWF14vPf1Hc1bCby07ysbCYBG1YgODpArAR6qUUwTL71Oy/HO6ouVyriS4ELGyXgNeUN3ZYpIDk lXNsLkW4PNmLAAmfDzlSuP2shHxSAGQDyr5nTzjXn36zTlbq01yHQz280P9fWwvE8qJnWsJAiDu 8eASfnqvAbjsyxmTu44YGG4L4OPYVe2fMhZa6+ND9F4C4yQ9+WcBsi7cRk3cwhOWx+O1fKxZx1Q jvkPzoN8MBKA46IKg+w== X-Proofpoint-ORIG-GUID: -61l3VvMZswP6iqCuimUJ7FEvNC72dW9 X-Authority-Analysis: v=2.4 cv=UP5Ijyfy c=1 sm=1 tr=0 ts=6af2821f cx=c_pps a=PpDZqlmH/M8setHirZLBMw==:117 a=PpDZqlmH/M8setHirZLBMw==:17 a=zJRp6_cAMcgA:10 a=VkNPw1HP01LnGYTKEx00:22 a=0sLvza09kfJOxVLZPwjg:22 a=uXIjobp8t2wMuQ0fPvqm:22 a=VwQbUJbxAAAA:8 a=gAnH3GRIAAAA:8 a=v8pZUxbVQAUMEgVANrMA:9 X-Proofpoint-GUID: -61l3VvMZswP6iqCuimUJ7FEvNC72dW9 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.138,FMLib:17.12.100.49 definitions=2026-11-10_01,2026-11-06_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 impostorscore=0 bulkscore=0 priorityscore=1501 adultscore=0 suspectscore=0 phishscore=0 malwarescore=0 clxscore=1015 lowpriorityscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2611040001 definitions=main-2611100009 The LT8491 is a buck-boost switching regulator battery charger that implements a constant-current constant-voltage (CCCV) charging profile. Changes since v3: https://lore.kernel.org/all/20261029073012.1498-1-johnerasmusmari.geronimo@analog.com/ - dt-bindings: add Krzysztof Kozlowski's Reviewed-by. - driver: set psy_cfg.fwnode so that the power supply gets a firmware node (sashiko-bot). Tested on a DC2703A-A-KIT evaluation board with a Raspberry Pi 4B (6.12-based vendor kernel) with no battery connected; charging was not tested, nor was the -ENODATA handling of the not-measured and thermistor-disconnected temperature values. Build-tested against the power-supply for-next tree. John Erasmus Mari Geronimo (2): dt-bindings: power: supply: add adi,lt8491.yaml power: supply: add LT8491 battery charger driver .../bindings/power/supply/adi,lt8491.yaml | 92 ++++ MAINTAINERS | 7 + drivers/power/supply/Kconfig | 9 + drivers/power/supply/Makefile | 1 + drivers/power/supply/lt8491_charger.c | 430 ++++++++++++++++++ 5 files changed, 539 insertions(+) create mode 100644 Documentation/devicetree/bindings/power/supply/adi,lt8491.yaml create mode 100644 drivers/power/supply/lt8491_charger.c base-commit: 7071d4750856abbc68dfe431acc58a1d45dd42e8 -- 2.34.1