linux/Documentation/hwmon/scpi-hwmon.rst
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   1Kernel driver scpi-hwmon
   2========================
   3
   4Supported chips:
   5
   6 * Chips based on ARM System Control Processor Interface
   7
   8   Addresses scanned: -
   9
  10   Datasheet: http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.dui0922b/index.html
  11
  12Author: Punit Agrawal <punit.agrawal@arm.com>
  13
  14Description
  15-----------
  16
  17This driver supports hardware monitoring for SoC's based on the ARM
  18System Control Processor (SCP) implementing the System Control
  19Processor Interface (SCPI). The following sensor types are supported
  20by the SCP:
  21
  22  * temperature
  23  * voltage
  24  * current
  25  * power
  26
  27The SCP interface provides an API to query the available sensors and
  28their values which are then exported to userspace by this driver.
  29
  30Usage Notes
  31-----------
  32
  33The driver relies on device tree node to indicate the presence of SCPI
  34support in the kernel. See
  35Documentation/devicetree/bindings/firmware/arm,scpi.yaml for details of the
  36devicetree node.
  37