[0/2] Add a generic virtual thermal sensor

Message

Alexandre Bailon Sept. 6, 2021, 7:04 p.m. UTC

This series add a virtual thermal sensor.
It could be used to get a temperature using some thermal sensors.
Currently, the supported operations are max, min and avg.
The virtual sensor could be easily extended to support others operations.

Note:
Currently, thermal drivers must explicitly register their sensors to make them
available to the virtual sensor.
This doesn't seem a good solution to me and I think it would be preferable to
update the framework to register the list of each available sensors.

Alexandre Bailon (2):
  dt-bindings: Add bindings for the virtual thermal sensor
  thermal: add a virtual sensor to aggregate temperatures

 .../thermal/virtual,thermal-sensor.yaml       |  67 +++
 drivers/thermal/Kconfig                       |   8 +
 drivers/thermal/Makefile                      |   1 +
 drivers/thermal/virtual-sensor.h              |  51 +++
 drivers/thermal/virtual_sensor.c              | 400 ++++++++++++++++++
 include/dt-bindings/thermal/virtual-sensor.h  |  15 +
 6 files changed, 542 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/thermal/virtual,thermal-sensor.yaml
 create mode 100644 drivers/thermal/virtual-sensor.h
 create mode 100644 drivers/thermal/virtual_sensor.c
 create mode 100644 include/dt-bindings/thermal/virtual-sensor.h