StarFive Fan-Tach controller can support up to 16 fan tach input.
The series has been tested on the EVB1 board.

Changhuang Liang (2):
  dt-bindings: hwmon: Add starfive,jhb100-fan-tach
  hwmon: Add fan tach driver for StarFive

 .../hwmon/starfive,jhb100-fan-tach.yaml       |  98 ++++
 MAINTAINERS                                   |   6 +
 drivers/hwmon/Kconfig                         |   9 +
 drivers/hwmon/Makefile                        |   1 +
 drivers/hwmon/starfive-fan-tach.c             | 467 ++++++++++++++++++
 5 files changed, 581 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/hwmon/starfive,jhb100-fan-tach.yaml
 create mode 100644 drivers/hwmon/starfive-fan-tach.c

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2.25.1