Please note, if you have pulsing PM_SLP_S4, you likely have a problem after this chart. Please refer to 820-00165 Pulsing. After this chart please refer to S3 to S0 State for Ivy Bridge Haswell and Broadwell
Errata
On 820-3115, PM_SLP_SUS_L can come up without PCH_SRTCRST_L and RTC_RESET_L (and PCH_INTRUDER_L) but they are required for PM_SLP_S5_L.