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