xref: /freebsd/sys/contrib/device-tree/Bindings/powerpc/opal/sensor-groups.txt (revision c66ec88fed842fbaad62c30d510644ceb7bd2d71)
1IBM OPAL Sensor Groups Binding
2-------------------------------
3
4Node: /ibm,opal/sensor-groups
5
6Description: Contains sensor groups available in the Powernv P9
7servers. Each child node indicates a sensor group.
8
9- compatible : Should be "ibm,opal-sensor-group"
10
11Each child node contains below properties:
12
13- type : String to indicate the type of sensor-group
14
15- sensor-group-id: Abstract unique identifier provided by firmware of
16		   type <u32> which is used for sensor-group
17		   operations like clearing the min/max history of all
18		   sensors belonging to the group.
19
20- ibm,chip-id : Chip ID
21
22- sensors : Phandle array of child nodes of /ibm,opal/sensor/
23	    belonging to this group
24
25- ops : Array of opal-call numbers indicating available operations on
26	sensor groups like clearing min/max, enabling/disabling sensor
27	group.
28