| * RPM Stats |
| |
| RPM maintains a counter of the number of times the SoC entered a deeper sleep |
| mode involving lowering or powering down the backbone rails - Cx and Mx and |
| the oscillator clock, XO. |
| |
| PROPERTIES |
| |
| - compatible: |
| Usage: required |
| Value type: <string> |
| Definition: Should be "qcom,rpm-stats". |
| |
| - reg: |
| Usage: required |
| Value type: <prop-encoded-array> |
| Definition: The address on the RPM RAM from where the stats are read |
| should be provided as "phys_addr_base". The offset from |
| which the stats are available should be provided as |
| "offset_addr". |
| |
| - reg-names: |
| Usage: required |
| Value type: <prop-encoded-array> |
| Definition: Provides labels for the reg property. |
| |
| - qcom,num-records: |
| Usage: optional |
| Value type: <u32> |
| Definition: Specifies number of records to read from RPM RAM. |
| |
| EXAMPLE: |
| |
| qcom,rpm-stats@c000000 { |
| compatible = "qcom,rpm-stats"; |
| reg = <0xC000000 0x1000>, <0x3F0000 0x4>; |
| reg-names = "phys_addr_base", "offset_addr"; |
| qcom,num-records = <3>; |
| }; |