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author | Srikant Patnaik | 2015-01-13 15:08:24 +0530 |
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committer | Srikant Patnaik | 2015-01-13 15:08:24 +0530 |
commit | 97327692361306d1e6259021bc425e32832fdb50 (patch) | |
tree | fe9088f3248ec61e24f404f21b9793cb644b7f01 /Documentation/hwmon/fam15h_power | |
parent | 2d05a8f663478a44e088d122e0d62109bbc801d0 (diff) | |
parent | a3a8b90b61e21be3dde9101c4e86c881e0f06210 (diff) | |
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dirty fix to merging
Diffstat (limited to 'Documentation/hwmon/fam15h_power')
-rw-r--r-- | Documentation/hwmon/fam15h_power | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/Documentation/hwmon/fam15h_power b/Documentation/hwmon/fam15h_power new file mode 100644 index 00000000..a92918e0 --- /dev/null +++ b/Documentation/hwmon/fam15h_power @@ -0,0 +1,37 @@ +Kernel driver fam15h_power +========================== + +Supported chips: +* AMD Family 15h Processors + + Prefix: 'fam15h_power' + Addresses scanned: PCI space + Datasheets: + BIOS and Kernel Developer's Guide (BKDG) For AMD Family 15h Processors + (not yet published) + +Author: Andreas Herrmann <andreas.herrmann3@amd.com> + +Description +----------- + +This driver permits reading of registers providing power information +of AMD Family 15h processors. + +For AMD Family 15h processors the following power values can be +calculated using different processor northbridge function registers: + +* BasePwrWatts: Specifies in watts the maximum amount of power + consumed by the processor for NB and logic external to the core. +* ProcessorPwrWatts: Specifies in watts the maximum amount of power + the processor can support. +* CurrPwrWatts: Specifies in watts the current amount of power being + consumed by the processor. + +This driver provides ProcessorPwrWatts and CurrPwrWatts: +* power1_crit (ProcessorPwrWatts) +* power1_input (CurrPwrWatts) + +On multi-node processors the calculated value is for the entire +package and not for a single node. Thus the driver creates sysfs +attributes only for internal node0 of a multi-node processor. |