On 15/01/2019 13:37, Marc Gonzalez wrote: > I had a look at "[8998] How to check PMIC PON reason" but I'm not sure how to read > PM0=0x4000024000020020:0x40 PM1=0x4000084000080020:0x800 PM2=0x4000084000080020:0x800 AFAIU, the PM0 format is [8c7][8c6][8c5][8c4][8c3][8c2][8c1][8c0]:[8cb][8ca][8c9][8c8] (Though I don't know which ranges PM1 and PM2 are a dump of.) Decoding PM0... 8c0: 0x20 = bit 5 = Triggered from PON1 8c1: 0x00 8c2: 0x02 = bit 1 = Triggered by PS_HOLD 8c3: 0x00 8c4: 0x40 = bit 6 = PMIC entered ON state because of a warm-reset sequence 8c5: 0x02 = bit 1 = Triggered by PS_HOLD 8c6: 0x00 8c7: 0x40 = bit 6 = PMIC entered OFF state because of a fault-handling sequence 8c8: 0x40 = bit 6 = Triggered by UVLO event 8c9: 0x00 8ca: 0x00 8cb: 0x00 UVLO = Undervoltage lockout A priori not a driver issue :-)