[v5,0/3] Add OF support for Microchip emc2305 fan controller

Message

Florin Leotescu (OSS) March 18, 2025, 8:54 a.m. UTC

From: Florin Leotescu <[e-mail]>

This patch series add initial OF support for Microchip emc2305 fan controller.

Changes since v4:
- Corrected quotes to have a consistent definition.
- Corrected DTS coding style as recommended by Krzysztof Kozlowski.
- Updated pwms phandle to include pwm frequency, pwm polarity and pwm output,
  as recommended by Guenter Roeck and skipped the pwm channel as recommended by Krzysztof Kozlowski.
- Documented the pwms args in #pwm-cells description.
- Updated pwms phandle in dt-binding example to include pwm frequency and 
  use PWM_POLARITY_INVERTED macro to inverse the PWM polarity. 

Changes since v3:
- Removed thermal_cooling_device_register_fail label since is no longer needed
  and replaced goto with imediate return, as recommended by Guenter Roeck. 
- Redefined compatible property in dt-binding, as recommended by Frank Li.
- Updated driver of compatible list.
- Renamed node name in the dt-binding example, as recommended by Connor Dooley.
- Corrected dt-binding commit subject.
- Added dt-binding fan descriptions and $ref to fan schema, 
  as Connor Dooley & Krzysztof Kozlowski recommended.
  Used similar as on maxim,max6639 and nuvoton,nct7363. 
- Updated dt-binding example.

Changes since v2:
- Removed the introduction of new properties for now and we only 
  enable basic OF support.
- Link to previous version: 
  https://lore.kernel.org/linux-arm-kernel/[e-mail]/T/

Florin Leotescu (3):
  dt-bindings: hwmon: Add Microchip emc2305 support
  hwmon: emc2305: Add OF support
  hwmon: emc2305: Use devm_thermal_of_cooling_device_register

 .../bindings/hwmon/microchip,emc2305.yaml     | 113 ++++++++++++++++++
 drivers/hwmon/emc2305.c                       |  38 ++----
 2 files changed, 123 insertions(+), 28 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/hwmon/microchip,emc2305.yaml