Lines Matching +full:timer +full:- +full:watchdog

31 .Nd device driver for the NXP i.MX5 and i.MX6 watchdog timer
36 .Bd -ragged -offset indent
43 .Bd -literal -offset indent
50 .Xr watchdog 4
51 support for the watchdog timer present on NXP i.MX5 and i.MX6 processors.
52 The i.MX watchdog hardware supports programmable timeouts ranging from
53 0.5 to 128 seconds, in half-second increments.
54 Once activated, the watchdog hardware cannot be deactivated, but the
55 timeout period can be changed to any valid non-zero value.
57 At power-on, a special 16-second
58 .Sq power-down timer
61 external hardware that causes the system to reset or power-down.
62 The power-down timer is often reset by the boot loader (typically U-Boot).
63 If the power-down timer is still active at the time when the normal
64 watchdog is first enabled, the
71 .Va fsl,external-reset
74 When running this way, the need to reset the system due to watchdog
86 .Va fsl,external-reset
93 .Va timeout-secs
94 property by enabling the watchdog as soon as the driver attaches,
96 This extends watchdog protection to much of the system startup process,
99 be configured to service the watchdog.
102 .Xr watchdog 4 ,
103 .Xr watchdog 8 ,
105 .Xr watchdog 9