input-reset.txt (1060B)
1Input: sysrq reset sequence 2 3A simple binding to represent a set of keys as described in 4include/uapi/linux/input.h. This is to communicate a sequence of keys to the 5sysrq driver. Upon holding the keys for a specified amount of time (if 6specified) the system is sync'ed and reset. 7 8Key sequences are global to the system but all the keys in a set must be coming 9from the same input device. 10 11The /chosen node should contain a 'linux,sysrq-reset-seq' child node to define 12a set of keys. 13 14Required property: 15keyset: array of Linux keycodes, one keycode per cell. 16 17Optional property: 18timeout-ms: duration keys must be pressed together in milliseconds before 19generating a sysrq. If omitted the system is rebooted immediately when a valid 20sequence has been recognized. 21 22Example: 23 24 chosen { 25 linux,sysrq-reset-seq { 26 keyset = <0x03 27 0x04 28 0x0a>; 29 timeout-ms = <3000>; 30 }; 31 }; 32 33Would represent KEY_2, KEY_3 and KEY_9.