Add support for mp2856/mp2857 device from Monolithic Power Systems, Inc. (MPS) vendor. This is a dual-loop, digital, multi-phase, modulation controller. LINK: [v1] https://lore.kernel.org/all/20231108024222.2026546-1-peter.yin@xxxxxxxxxxxx/ changes v1 --> v2: - mp2856.rst - fix wordings - mp2856.c - fix register naming in defines - remove unused register defines - add max_phases and chip_id in struct mp2856_data - force vout in direct mode - remove unnecessary functions (ex: mp2856_identify_vid) - add identify multiphase for both rail1 and rail2 Peter Yin (2): dt-bindings: Add MP2856/MP2857 voltage regulator device hwmon: (pmbus) Add support for MPS Multi-phase mp2856/mp2857 controller .../devicetree/bindings/trivial-devices.yaml | 4 + Documentation/hwmon/index.rst | 1 + Documentation/hwmon/mp2856.rst | 98 ++++ drivers/hwmon/pmbus/Kconfig | 9 + drivers/hwmon/pmbus/Makefile | 1 + drivers/hwmon/pmbus/mp2856.c | 477 ++++++++++++++++++ 6 files changed, 590 insertions(+) create mode 100644 Documentation/hwmon/mp2856.rst create mode 100644 drivers/hwmon/pmbus/mp2856.c -- 2.31.1
