Add support for Renesas RAA228942 and RAA228943 digital dual-output
16-Phase PWM controllers. Also clean up the unused enum chips.

Changes in v2:
  - Remove entire unused enum chips (suggested by Guenter Roeck)
  - Improve commit message to clarify PMBus command compatibility
    (suggested by Krzysztof Kozlowski)
  - Split enum chips cleanup into separate patch

Dawei Liu (3):
  hwmon: (pmbus/isl68137) Remove unused enum chips
  hwmon: (pmbus/isl68137) Add support for Renesas RAA228942 and
    RAA228943
  dt-bindings: hwmon: isl68137: Add compatible strings for RAA228942 and
    RAA228943

 .../bindings/hwmon/pmbus/isil,isl68137.yaml   |  2 +
 Documentation/hwmon/isl68137.rst              | 20 ++++++++
 drivers/hwmon/pmbus/isl68137.c                | 50 ++-----------------
 3 files changed, 26 insertions(+), 46 deletions(-)

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2.34.1