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Tue, 3 Nov 2026 03:43:42 -0500 From: Carlos Jones To: CC: , , , , , , , Carlos Jones Jr Subject: [PATCH v2 0/2] hwmon: (pmbus/max20830) add MAX20810/15 and LTM4739/40 Date: Tue, 3 Nov 2026 16:43:29 +0800 Message-ID: <20261103084331.449-1-carlosjr.jones@analog.com> X-Mailer: git-send-email 2.51.0.windows.2 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-Details-Enc: AW1haW4tMjYxMTAzMDAzNCBTYWx0ZWRfXxf9wUcTfAFrO Ykuez4jvvtk+PSLUepJ7RC/VeVgbxrWqOGx7nrr00x9tMFdyf8ZaKEQHrpfEL/utlk+C2myCBKj VteyJ2yidXSP3iNgp66nVaPZ4/R0ZQ6m0YJFLEvHpwU2MplIcOqGKKlI6f8Szho0m/KiVcCZsHm co/mIexpAoAqvmbOzaXJibkYxRVwjJrYExBq9hi/BmZvOk7zz3EmM3TV5m4lI440ALV3XTj2Njv 3kgXMwy7aIA6OoqeJElHm94WGOKb/Opb8YSf5inBXr+jkUuS29JwfGOif3Z0ZW9SHwVuTSwFKW9 xEmD4U4wHQpceRXlpoXEKp/4vx9b5rUDdQ1hzwJaOzcysF+R66mJXD8y/Q8S2rTcgM/pSET/ivp dTtSFTYHXOoKgribGkPAgU3oKsizfsP3WEkvJkOhFsoObq1EWojPw4c1FmH6tp0r7zn7jk5hLpz mCE7hG9MrLc/u7wJmvw== X-Proofpoint-GUID: mRrApYA56AYS9Wec49LL-UCPC72PqMF_ X-Proofpoint-ORIG-GUID: mRrApYA56AYS9Wec49LL-UCPC72PqMF_ X-Authority-Analysis: v=2.4 cv=P/OvFSAu c=1 sm=1 tr=0 ts=6ae99ec9 cx=c_pps a=PpDZqlmH/M8setHirZLBMw==:117 a=PpDZqlmH/M8setHirZLBMw==:17 a=zJRp6_cAMcgA:10 a=VkNPw1HP01LnGYTKEx00:22 a=0sLvza09kfJOxVLZPwjg:22 a=N--XFCr6TIEc_64PeIT2:22 a=VwQbUJbxAAAA:8 a=gAnH3GRIAAAA:8 a=GWNPTgfDF31ebz1laCQA:9 X-Proofpoint-Spam-Info: AW1haW4tMjYxMTAzMDAzNCBTYWx0ZWRfXxcgKHLLDy4mL kCbwxXcpKw2Sj4YQNvKVgZLFdlEbJx7Jc+qh+k2ULPXTcV2IBajyZXajsy/VLJYxDyrQFXHeP9y mQ+CvVXl/yZp71GjTZ6+WInWHv1CQZBIZ25eVTQFHi2tHXdngDQB 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=2026-11-03_01,2026-11-02_03,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 clxscore=1015 suspectscore=0 priorityscore=1501 malwarescore=0 spamscore=0 lowpriorityscore=0 bulkscore=0 phishscore=0 impostorscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2610300000 definitions=main-2611030034 From: Carlos Jones Jr This series adds support for four additional members of the MAX20830 PMBus regulator family to the existing max20830 driver: - MAX20810 (10A) and MAX20815 (15A) - LTM4739 and LTM4740, the LTM-series module equivalents of the MAX20810 and MAX20815 respectively All four share the MAX20830 PMBus command set and telemetry, so support amounts to accepting their IC_DEVICE_ID and documenting the parts; no new register handling is required. The LTM4739/LTM4740 modules are built around the MAX20810/MAX20815 dies and report the die's IC_DEVICE_ID ("MAX20810B" / "MAX20815B"), which the driver matches at probe. Device-tree matching uses the existing adi,max20830 fallback compatible, so no new of_match entries are needed. Patch 1 adds the device-tree binding compatibles; patch 2 adds the driver support and documentation. Changes since v1: - Document the IC_DEVICE_ID vs datasheet discrepancy in-tree, per Guenter's review: a code comment above supported_chip_ids[] and an expanded commit message, including why the plain datasheet IDs ("MAX20810"/"MAX20815"/ "LTM4739"/"LTM4740") are not matched (no hardware reporting them observed). - Rebased on current hwmon-next; no functional change. - Patch 1 (dt-bindings) is unchanged and carries Conor Dooley's Acked-by from v1. v1: https://lore.kernel.org/all/20261026050241.100428-1-carlosjr.jones@analog.com/ Carlos Jones Jr (2): dt-bindings: hwmon: max20830: Add MAX20810, MAX20815, LTM4739, LTM4740 hwmon: (pmbus/max20830) Add support for MAX20810, MAX20815, LTM4739, LTM4740 .../bindings/hwmon/pmbus/adi,max20830.yaml | 4 ++ Documentation/hwmon/max20830.rst | 51 ++++++++++++++++--- drivers/hwmon/pmbus/max20830.c | 10 +++- 3 files changed, 58 insertions(+), 7 deletions(-) base-commit: 0dd96d0d34d183866ca6daf5af41341abdfc982a -- 2.43.0