1What: /sys/devices/platform/.../power_on_reason 2Date: June 2023 3KernelVersion: 6.5 4Contact: Kamel Bouhara <kamel.bouhara@bootlin.com> 5Description: Shows system power on reason. The following strings/reasons can 6 be read (the list can be extended): 7 "regular power-up", "RTC wakeup", "watchdog timeout", 8 "software reset", "reset button action", "CPU clock failure", 9 "crystal oscillator failure", "brown-out reset", 10 "unknown reason". 11 12 The file is read only. 13