| Lina Iyer | 15d6df3 | 2016-08-18 12:10:27 -0600 | [diff] [blame] | 1 | SYSTEM PM |
| 2 | |
| 3 | System PM device is a virtual device that handles all CPU subsystem low power |
| 4 | mode activties. When entering core shutdown, resource state that were requested |
| 5 | from the processor may be relinquished and set to idle and restored when the |
| 6 | cores are brought out of sleep. |
| 7 | |
| 8 | PROPERTIES |
| 9 | |
| 10 | - compatible: |
| 11 | Usage: required |
| 12 | Value type: <string> |
| 13 | Definition: must be "qcom,system-pm". |
| 14 | |
| 15 | -mboxes: |
| 16 | Usage: optional |
| 17 | Value type: <phandle> |
| 18 | Definition: phandle the TCS mailbox controller for the CPU subsystem. |
| 19 | This property is generally set only for SoCs that use RPMH communication |
| 20 | through a mailbox controller. |
| 21 | |
| 22 | EXAMPLE |
| 23 | |
| 24 | system_pm { |
| 25 | compatible = "qcom,system-pm"; |
| 26 | mboxes = <&apps_rsc 0>; |
| 27 | }; |
| 28 | |
| 29 | |