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Diffstat (limited to 'kernel/Documentation/hwmon/scpi-hwmon')
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1 files changed, 33 insertions, 0 deletions
diff --git a/kernel/Documentation/hwmon/scpi-hwmon b/kernel/Documentation/hwmon/scpi-hwmon new file mode 100644 index 000000000..4cfcdf2d5 --- /dev/null +++ b/kernel/Documentation/hwmon/scpi-hwmon @@ -0,0 +1,33 @@ +Kernel driver scpi-hwmon +======================== + +Supported chips: + * Chips based on ARM System Control Processor Interface + Addresses scanned: - + Datasheet: http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.dui0922b/index.html + +Author: Punit Agrawal <punit.agrawal@arm.com> + +Description +----------- + +This driver supports hardware monitoring for SoC's based on the ARM +System Control Processor (SCP) implementing the System Control +Processor Interface (SCPI). The following sensor types are supported +by the SCP - + + * temperature + * voltage + * current + * power + +The SCP interface provides an API to query the available sensors and +their values which are then exported to userspace by this driver. + +Usage Notes +----------- + +The driver relies on device tree node to indicate the presence of SCPI +support in the kernel. See +Documentation/devicetree/bindings/arm/arm,scpi.txt for details of the +devicetree node.
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