diff options
Diffstat (limited to 'Documentation/devicetree/bindings/powerpc')
| -rw-r--r-- | Documentation/devicetree/bindings/powerpc/ibm,vas.txt | 22 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/powerpc/opal/sensor-groups.txt | 27 |
2 files changed, 49 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/powerpc/ibm,vas.txt b/Documentation/devicetree/bindings/powerpc/ibm,vas.txt new file mode 100644 index 000000000000..bf11d2faf7b8 --- /dev/null +++ b/Documentation/devicetree/bindings/powerpc/ibm,vas.txt @@ -0,0 +1,22 @@ +* IBM Powerpc Virtual Accelerator Switchboard (VAS) + +VAS is a hardware mechanism that allows kernel subsystems and user processes +to directly submit compression and other requests to Nest accelerators (NX) +or other coprocessors functions. + +Required properties: +- compatible : should be "ibm,vas". +- ibm,vas-id : A unique identifier for each instance of VAS in the system +- reg : Should contain 4 pairs of 64-bit fields specifying the Hypervisor + window context start and length, OS/User window context start and length, + "Paste address" start and length, "Paste window id" start bit and number + of bits) + +Example: + + vas@6019100000000 { + compatible = "ibm,vas", "ibm,power9-vas"; + reg = <0x6019100000000 0x2000000 0x6019000000000 0x100000000 0x8000000000000 0x100000000 0x20 0x10>; + name = "vas"; + ibm,vas-id = <0x1>; + }; diff --git a/Documentation/devicetree/bindings/powerpc/opal/sensor-groups.txt b/Documentation/devicetree/bindings/powerpc/opal/sensor-groups.txt new file mode 100644 index 000000000000..6ad881cbffda --- /dev/null +++ b/Documentation/devicetree/bindings/powerpc/opal/sensor-groups.txt @@ -0,0 +1,27 @@ +IBM OPAL Sensor Groups Binding +------------------------------- + +Node: /ibm,opal/sensor-groups + +Description: Contains sensor groups available in the Powernv P9 +servers. Each child node indicates a sensor group. + +- compatible : Should be "ibm,opal-sensor-group" + +Each child node contains below properties: + +- type : String to indicate the type of sensor-group + +- sensor-group-id: Abstract unique identifier provided by firmware of + type <u32> which is used for sensor-group + operations like clearing the min/max history of all + sensors belonging to the group. + +- ibm,chip-id : Chip ID + +- sensors : Phandle array of child nodes of /ibm,opal/sensor/ + belonging to this group + +- ops : Array of opal-call numbers indicating available operations on + sensor groups like clearing min/max, enabling/disabling sensor + group. |
