xref: /OK3568_Linux_fs/kernel/drivers/watchdog/Kconfig (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun# SPDX-License-Identifier: GPL-2.0-only
2*4882a593Smuzhiyun
3*4882a593Smuzhiyun#
4*4882a593Smuzhiyun# Watchdog device configuration
5*4882a593Smuzhiyun#
6*4882a593Smuzhiyun
7*4882a593Smuzhiyunmenuconfig WATCHDOG
8*4882a593Smuzhiyun	bool "Watchdog Timer Support"
9*4882a593Smuzhiyun	help
10*4882a593Smuzhiyun	  If you say Y here (and to one of the following options) and create a
11*4882a593Smuzhiyun	  character special file /dev/watchdog with major number 10 and minor
12*4882a593Smuzhiyun	  number 130 using mknod ("man mknod"), you will get a watchdog, i.e.:
13*4882a593Smuzhiyun	  subsequently opening the file and then failing to write to it for
14*4882a593Smuzhiyun	  longer than 1 minute will result in rebooting the machine. This
15*4882a593Smuzhiyun	  could be useful for a networked machine that needs to come back
16*4882a593Smuzhiyun	  on-line as fast as possible after a lock-up. There's both a watchdog
17*4882a593Smuzhiyun	  implementation entirely in software (which can sometimes fail to
18*4882a593Smuzhiyun	  reboot the machine) and a driver for hardware watchdog boards, which
19*4882a593Smuzhiyun	  are more robust and can also keep track of the temperature inside
20*4882a593Smuzhiyun	  your computer. For details, read
21*4882a593Smuzhiyun	  <file:Documentation/watchdog/watchdog-api.rst> in the kernel source.
22*4882a593Smuzhiyun
23*4882a593Smuzhiyun	  The watchdog is usually used together with the watchdog daemon
24*4882a593Smuzhiyun	  which is available from
25*4882a593Smuzhiyun	  <ftp://ibiblio.org/pub/Linux/system/daemons/watchdog/>. This daemon can
26*4882a593Smuzhiyun	  also monitor NFS connections and can reboot the machine when the process
27*4882a593Smuzhiyun	  table is full.
28*4882a593Smuzhiyun
29*4882a593Smuzhiyun	  If unsure, say N.
30*4882a593Smuzhiyun
31*4882a593Smuzhiyunif WATCHDOG
32*4882a593Smuzhiyun
33*4882a593Smuzhiyunconfig WATCHDOG_CORE
34*4882a593Smuzhiyun	tristate "WatchDog Timer Driver Core"
35*4882a593Smuzhiyun	help
36*4882a593Smuzhiyun	  Say Y here if you want to use the new watchdog timer driver core.
37*4882a593Smuzhiyun	  This driver provides a framework for all watchdog timer drivers
38*4882a593Smuzhiyun	  and gives them the /dev/watchdog interface (and later also the
39*4882a593Smuzhiyun	  sysfs interface).
40*4882a593Smuzhiyun
41*4882a593Smuzhiyunconfig WATCHDOG_NOWAYOUT
42*4882a593Smuzhiyun	bool "Disable watchdog shutdown on close"
43*4882a593Smuzhiyun	help
44*4882a593Smuzhiyun	  The default watchdog behaviour (which you get if you say N here) is
45*4882a593Smuzhiyun	  to stop the timer if the process managing it closes the file
46*4882a593Smuzhiyun	  /dev/watchdog. It's always remotely possible that this process might
47*4882a593Smuzhiyun	  get killed. If you say Y here, the watchdog cannot be stopped once
48*4882a593Smuzhiyun	  it has been started.
49*4882a593Smuzhiyun
50*4882a593Smuzhiyunconfig WATCHDOG_HANDLE_BOOT_ENABLED
51*4882a593Smuzhiyun	bool "Update boot-enabled watchdog until userspace takes over"
52*4882a593Smuzhiyun	default y
53*4882a593Smuzhiyun	help
54*4882a593Smuzhiyun	  The default watchdog behaviour (which you get if you say Y here) is
55*4882a593Smuzhiyun	  to ping watchdog devices that were enabled before the driver has
56*4882a593Smuzhiyun	  been loaded until control is taken over from userspace using the
57*4882a593Smuzhiyun	  /dev/watchdog file. If you say N here, the kernel will not update
58*4882a593Smuzhiyun	  the watchdog on its own. Thus if your userspace does not start fast
59*4882a593Smuzhiyun	  enough your device will reboot.
60*4882a593Smuzhiyun
61*4882a593Smuzhiyunconfig WATCHDOG_OPEN_TIMEOUT
62*4882a593Smuzhiyun	int "Timeout value for opening watchdog device"
63*4882a593Smuzhiyun	default 0
64*4882a593Smuzhiyun	help
65*4882a593Smuzhiyun	  The maximum time, in seconds, for which the watchdog framework takes
66*4882a593Smuzhiyun	  care of pinging a hardware watchdog.  A value of 0 means infinite. The
67*4882a593Smuzhiyun	  value set here can be overridden by the commandline parameter
68*4882a593Smuzhiyun	  "watchdog.open_timeout".
69*4882a593Smuzhiyun
70*4882a593Smuzhiyunconfig WATCHDOG_SYSFS
71*4882a593Smuzhiyun	bool "Read different watchdog information through sysfs"
72*4882a593Smuzhiyun	help
73*4882a593Smuzhiyun	  Say Y here if you want to enable watchdog device status read through
74*4882a593Smuzhiyun	  sysfs attributes.
75*4882a593Smuzhiyun
76*4882a593Smuzhiyuncomment "Watchdog Pretimeout Governors"
77*4882a593Smuzhiyun
78*4882a593Smuzhiyunconfig WATCHDOG_PRETIMEOUT_GOV
79*4882a593Smuzhiyun	bool "Enable watchdog pretimeout governors"
80*4882a593Smuzhiyun	depends on WATCHDOG_CORE
81*4882a593Smuzhiyun	help
82*4882a593Smuzhiyun	  The option allows to select watchdog pretimeout governors.
83*4882a593Smuzhiyun
84*4882a593Smuzhiyunconfig WATCHDOG_PRETIMEOUT_GOV_SEL
85*4882a593Smuzhiyun	tristate
86*4882a593Smuzhiyun	depends on WATCHDOG_PRETIMEOUT_GOV
87*4882a593Smuzhiyun	default m
88*4882a593Smuzhiyun	select WATCHDOG_PRETIMEOUT_GOV_PANIC if WATCHDOG_PRETIMEOUT_GOV_NOOP=n
89*4882a593Smuzhiyun
90*4882a593Smuzhiyunif WATCHDOG_PRETIMEOUT_GOV
91*4882a593Smuzhiyun
92*4882a593Smuzhiyunconfig WATCHDOG_PRETIMEOUT_GOV_NOOP
93*4882a593Smuzhiyun	tristate "Noop watchdog pretimeout governor"
94*4882a593Smuzhiyun	depends on WATCHDOG_CORE
95*4882a593Smuzhiyun	default WATCHDOG_CORE
96*4882a593Smuzhiyun	help
97*4882a593Smuzhiyun	  Noop watchdog pretimeout governor, only an informational
98*4882a593Smuzhiyun	  message is added to kernel log buffer.
99*4882a593Smuzhiyun
100*4882a593Smuzhiyunconfig WATCHDOG_PRETIMEOUT_GOV_PANIC
101*4882a593Smuzhiyun	tristate "Panic watchdog pretimeout governor"
102*4882a593Smuzhiyun	depends on WATCHDOG_CORE
103*4882a593Smuzhiyun	default WATCHDOG_CORE
104*4882a593Smuzhiyun	help
105*4882a593Smuzhiyun	  Panic watchdog pretimeout governor, on watchdog pretimeout
106*4882a593Smuzhiyun	  event put the kernel into panic.
107*4882a593Smuzhiyun
108*4882a593Smuzhiyunchoice
109*4882a593Smuzhiyun	prompt "Default Watchdog Pretimeout Governor"
110*4882a593Smuzhiyun	default WATCHDOG_PRETIMEOUT_DEFAULT_GOV_PANIC
111*4882a593Smuzhiyun	help
112*4882a593Smuzhiyun	  This option selects a default watchdog pretimeout governor.
113*4882a593Smuzhiyun	  The governor takes its action, if a watchdog is capable
114*4882a593Smuzhiyun	  to report a pretimeout event.
115*4882a593Smuzhiyun
116*4882a593Smuzhiyunconfig WATCHDOG_PRETIMEOUT_DEFAULT_GOV_NOOP
117*4882a593Smuzhiyun	bool "noop"
118*4882a593Smuzhiyun	depends on WATCHDOG_PRETIMEOUT_GOV_NOOP
119*4882a593Smuzhiyun	help
120*4882a593Smuzhiyun	  Use noop watchdog pretimeout governor by default. If noop
121*4882a593Smuzhiyun	  governor is selected by a user, write a short message to
122*4882a593Smuzhiyun	  the kernel log buffer and don't do any system changes.
123*4882a593Smuzhiyun
124*4882a593Smuzhiyunconfig WATCHDOG_PRETIMEOUT_DEFAULT_GOV_PANIC
125*4882a593Smuzhiyun	bool "panic"
126*4882a593Smuzhiyun	depends on WATCHDOG_PRETIMEOUT_GOV_PANIC
127*4882a593Smuzhiyun	help
128*4882a593Smuzhiyun	  Use panic watchdog pretimeout governor by default, if
129*4882a593Smuzhiyun	  a watchdog pretimeout event happens, consider that
130*4882a593Smuzhiyun	  a watchdog feeder is dead and reboot is unavoidable.
131*4882a593Smuzhiyun
132*4882a593Smuzhiyunendchoice
133*4882a593Smuzhiyun
134*4882a593Smuzhiyunendif # WATCHDOG_PRETIMEOUT_GOV
135*4882a593Smuzhiyun
136*4882a593Smuzhiyun#
137*4882a593Smuzhiyun# General Watchdog drivers
138*4882a593Smuzhiyun#
139*4882a593Smuzhiyun
140*4882a593Smuzhiyuncomment "Watchdog Device Drivers"
141*4882a593Smuzhiyun
142*4882a593Smuzhiyun# Architecture Independent
143*4882a593Smuzhiyun
144*4882a593Smuzhiyunconfig SOFT_WATCHDOG
145*4882a593Smuzhiyun	tristate "Software watchdog"
146*4882a593Smuzhiyun	select WATCHDOG_CORE
147*4882a593Smuzhiyun	help
148*4882a593Smuzhiyun	  A software monitoring watchdog. This will fail to reboot your system
149*4882a593Smuzhiyun	  from some situations that the hardware watchdog will recover
150*4882a593Smuzhiyun	  from. Equally it's a lot cheaper to install.
151*4882a593Smuzhiyun
152*4882a593Smuzhiyun	  To compile this driver as a module, choose M here: the
153*4882a593Smuzhiyun	  module will be called softdog.
154*4882a593Smuzhiyun
155*4882a593Smuzhiyunconfig SOFT_WATCHDOG_PRETIMEOUT
156*4882a593Smuzhiyun	bool "Software watchdog pretimeout governor support"
157*4882a593Smuzhiyun	depends on SOFT_WATCHDOG && WATCHDOG_PRETIMEOUT_GOV
158*4882a593Smuzhiyun	help
159*4882a593Smuzhiyun	  Enable this if you want to use pretimeout governors with the software
160*4882a593Smuzhiyun	  watchdog. Be aware that governors might affect the watchdog because it
161*4882a593Smuzhiyun	  is purely software, e.g. the panic governor will stall it!
162*4882a593Smuzhiyun
163*4882a593Smuzhiyunconfig BD70528_WATCHDOG
164*4882a593Smuzhiyun	tristate "ROHM BD70528 PMIC Watchdog"
165*4882a593Smuzhiyun	depends on MFD_ROHM_BD70528
166*4882a593Smuzhiyun	select WATCHDOG_CORE
167*4882a593Smuzhiyun	help
168*4882a593Smuzhiyun	  Support for the watchdog in the ROHM BD70528 PMIC. Watchdog trigger
169*4882a593Smuzhiyun	  cause system reset.
170*4882a593Smuzhiyun
171*4882a593Smuzhiyun	  Say Y here to include support for the ROHM BD70528 watchdog.
172*4882a593Smuzhiyun	  Alternatively say M to compile the driver as a module,
173*4882a593Smuzhiyun	  which will be called bd70528_wdt.
174*4882a593Smuzhiyun
175*4882a593Smuzhiyunconfig DA9052_WATCHDOG
176*4882a593Smuzhiyun	tristate "Dialog DA9052 Watchdog"
177*4882a593Smuzhiyun	depends on PMIC_DA9052 || COMPILE_TEST
178*4882a593Smuzhiyun	select WATCHDOG_CORE
179*4882a593Smuzhiyun	help
180*4882a593Smuzhiyun	  Support for the watchdog in the DA9052 PMIC. Watchdog trigger
181*4882a593Smuzhiyun	  cause system reset.
182*4882a593Smuzhiyun
183*4882a593Smuzhiyun	  Say Y here to include support for the DA9052 watchdog.
184*4882a593Smuzhiyun	  Alternatively say M to compile the driver as a module,
185*4882a593Smuzhiyun	  which will be called da9052_wdt.
186*4882a593Smuzhiyun
187*4882a593Smuzhiyunconfig DA9055_WATCHDOG
188*4882a593Smuzhiyun	tristate "Dialog Semiconductor DA9055 Watchdog"
189*4882a593Smuzhiyun	depends on MFD_DA9055 || COMPILE_TEST
190*4882a593Smuzhiyun	select WATCHDOG_CORE
191*4882a593Smuzhiyun	help
192*4882a593Smuzhiyun	  If you say yes here you get support for watchdog on the Dialog
193*4882a593Smuzhiyun	  Semiconductor DA9055 PMIC.
194*4882a593Smuzhiyun
195*4882a593Smuzhiyun	  This driver can also be built as a module.  If so, the module
196*4882a593Smuzhiyun	  will be called da9055_wdt.
197*4882a593Smuzhiyun
198*4882a593Smuzhiyunconfig DA9063_WATCHDOG
199*4882a593Smuzhiyun	tristate "Dialog DA9063 Watchdog"
200*4882a593Smuzhiyun	depends on MFD_DA9063 || COMPILE_TEST
201*4882a593Smuzhiyun	select WATCHDOG_CORE
202*4882a593Smuzhiyun	help
203*4882a593Smuzhiyun	  Support for the watchdog in the DA9063 PMIC.
204*4882a593Smuzhiyun
205*4882a593Smuzhiyun	  This driver can be built as a module. The module name is da9063_wdt.
206*4882a593Smuzhiyun
207*4882a593Smuzhiyunconfig DA9062_WATCHDOG
208*4882a593Smuzhiyun	tristate "Dialog DA9062/61 Watchdog"
209*4882a593Smuzhiyun	depends on MFD_DA9062 || COMPILE_TEST
210*4882a593Smuzhiyun	depends on I2C
211*4882a593Smuzhiyun	select WATCHDOG_CORE
212*4882a593Smuzhiyun	help
213*4882a593Smuzhiyun	  Support for the watchdog in the DA9062 and DA9061 PMICs.
214*4882a593Smuzhiyun
215*4882a593Smuzhiyun	  This driver can be built as a module. The module name is da9062_wdt.
216*4882a593Smuzhiyun
217*4882a593Smuzhiyunconfig GPIO_WATCHDOG
218*4882a593Smuzhiyun	tristate "Watchdog device controlled through GPIO-line"
219*4882a593Smuzhiyun	depends on OF_GPIO
220*4882a593Smuzhiyun	select WATCHDOG_CORE
221*4882a593Smuzhiyun	help
222*4882a593Smuzhiyun	  If you say yes here you get support for watchdog device
223*4882a593Smuzhiyun	  controlled through GPIO-line.
224*4882a593Smuzhiyun
225*4882a593Smuzhiyunconfig GPIO_WATCHDOG_ARCH_INITCALL
226*4882a593Smuzhiyun	bool "Register the watchdog as early as possible"
227*4882a593Smuzhiyun	depends on GPIO_WATCHDOG=y
228*4882a593Smuzhiyun	help
229*4882a593Smuzhiyun	  In some situations, the default initcall level (module_init)
230*4882a593Smuzhiyun	  in not early enough in the boot process to avoid the watchdog
231*4882a593Smuzhiyun	  to be triggered.
232*4882a593Smuzhiyun	  If you say yes here, the initcall level would be raised to
233*4882a593Smuzhiyun	  arch_initcall.
234*4882a593Smuzhiyun	  If in doubt, say N.
235*4882a593Smuzhiyun
236*4882a593Smuzhiyunconfig MENF21BMC_WATCHDOG
237*4882a593Smuzhiyun	tristate "MEN 14F021P00 BMC Watchdog"
238*4882a593Smuzhiyun	depends on MFD_MENF21BMC || COMPILE_TEST
239*4882a593Smuzhiyun	depends on I2C
240*4882a593Smuzhiyun	select WATCHDOG_CORE
241*4882a593Smuzhiyun	help
242*4882a593Smuzhiyun	  Say Y here to include support for the MEN 14F021P00 BMC Watchdog.
243*4882a593Smuzhiyun
244*4882a593Smuzhiyun	  This driver can also be built as a module. If so the module
245*4882a593Smuzhiyun	  will be called menf21bmc_wdt.
246*4882a593Smuzhiyun
247*4882a593Smuzhiyunconfig MENZ069_WATCHDOG
248*4882a593Smuzhiyun	tristate "MEN 16Z069 Watchdog"
249*4882a593Smuzhiyun	depends on MCB
250*4882a593Smuzhiyun	select WATCHDOG_CORE
251*4882a593Smuzhiyun	help
252*4882a593Smuzhiyun	  Say Y here to include support for the MEN 16Z069 Watchdog.
253*4882a593Smuzhiyun
254*4882a593Smuzhiyun	  This driver can also be built as a module. If so the module
255*4882a593Smuzhiyun	  will be called menz069_wdt.
256*4882a593Smuzhiyun
257*4882a593Smuzhiyunconfig TANGOX_WATCHDOG
258*4882a593Smuzhiyun	tristate "Sigma Designs SMP86xx/SMP87xx watchdog"
259*4882a593Smuzhiyun	select WATCHDOG_CORE
260*4882a593Smuzhiyun	depends on ARCH_TANGO || COMPILE_TEST
261*4882a593Smuzhiyun	depends on HAS_IOMEM
262*4882a593Smuzhiyun	help
263*4882a593Smuzhiyun	  Support for the watchdog in Sigma Designs SMP86xx (tango3)
264*4882a593Smuzhiyun	  and SMP87xx (tango4) family chips.
265*4882a593Smuzhiyun
266*4882a593Smuzhiyun	  This driver can be built as a module. The module name is tangox_wdt.
267*4882a593Smuzhiyun
268*4882a593Smuzhiyunconfig WDAT_WDT
269*4882a593Smuzhiyun	tristate "ACPI Watchdog Action Table (WDAT)"
270*4882a593Smuzhiyun	depends on ACPI
271*4882a593Smuzhiyun	select WATCHDOG_CORE
272*4882a593Smuzhiyun	select ACPI_WATCHDOG
273*4882a593Smuzhiyun	help
274*4882a593Smuzhiyun	  This driver adds support for systems with ACPI Watchdog Action
275*4882a593Smuzhiyun	  Table (WDAT) table. Servers typically have this but it can be
276*4882a593Smuzhiyun	  found on some desktop machines as well. This driver will take
277*4882a593Smuzhiyun	  over the native iTCO watchdog driver found on many Intel CPUs.
278*4882a593Smuzhiyun
279*4882a593Smuzhiyun	  To compile this driver as module, choose M here: the module will
280*4882a593Smuzhiyun	  be called wdat_wdt.
281*4882a593Smuzhiyun
282*4882a593Smuzhiyunconfig WM831X_WATCHDOG
283*4882a593Smuzhiyun	tristate "WM831x watchdog"
284*4882a593Smuzhiyun	depends on MFD_WM831X
285*4882a593Smuzhiyun	select WATCHDOG_CORE
286*4882a593Smuzhiyun	help
287*4882a593Smuzhiyun	  Support for the watchdog in the WM831x AudioPlus PMICs.  When
288*4882a593Smuzhiyun	  the watchdog triggers the system will be reset.
289*4882a593Smuzhiyun
290*4882a593Smuzhiyunconfig WM8350_WATCHDOG
291*4882a593Smuzhiyun	tristate "WM8350 watchdog"
292*4882a593Smuzhiyun	depends on MFD_WM8350
293*4882a593Smuzhiyun	select WATCHDOG_CORE
294*4882a593Smuzhiyun	help
295*4882a593Smuzhiyun	  Support for the watchdog in the WM8350 AudioPlus PMIC.  When
296*4882a593Smuzhiyun	  the watchdog triggers the system will be reset.
297*4882a593Smuzhiyun
298*4882a593Smuzhiyunconfig XILINX_WATCHDOG
299*4882a593Smuzhiyun	tristate "Xilinx Watchdog timer"
300*4882a593Smuzhiyun	depends on HAS_IOMEM
301*4882a593Smuzhiyun	select WATCHDOG_CORE
302*4882a593Smuzhiyun	help
303*4882a593Smuzhiyun	  Watchdog driver for the xps_timebase_wdt ip core.
304*4882a593Smuzhiyun
305*4882a593Smuzhiyun	  To compile this driver as a module, choose M here: the
306*4882a593Smuzhiyun	  module will be called of_xilinx_wdt.
307*4882a593Smuzhiyun
308*4882a593Smuzhiyunconfig ZIIRAVE_WATCHDOG
309*4882a593Smuzhiyun	tristate "Zodiac RAVE Watchdog Timer"
310*4882a593Smuzhiyun	depends on I2C
311*4882a593Smuzhiyun	select WATCHDOG_CORE
312*4882a593Smuzhiyun	help
313*4882a593Smuzhiyun	  Watchdog driver for the Zodiac Aerospace RAVE Switch Watchdog
314*4882a593Smuzhiyun	  Processor.
315*4882a593Smuzhiyun
316*4882a593Smuzhiyun	  To compile this driver as a module, choose M here: the
317*4882a593Smuzhiyun	  module will be called ziirave_wdt.
318*4882a593Smuzhiyun
319*4882a593Smuzhiyunconfig RAVE_SP_WATCHDOG
320*4882a593Smuzhiyun	tristate "RAVE SP Watchdog timer"
321*4882a593Smuzhiyun	depends on RAVE_SP_CORE
322*4882a593Smuzhiyun	depends on NVMEM || !NVMEM
323*4882a593Smuzhiyun	select WATCHDOG_CORE
324*4882a593Smuzhiyun	help
325*4882a593Smuzhiyun	  Support for the watchdog on RAVE SP device.
326*4882a593Smuzhiyun
327*4882a593Smuzhiyunconfig MLX_WDT
328*4882a593Smuzhiyun	tristate "Mellanox Watchdog"
329*4882a593Smuzhiyun	depends on MELLANOX_PLATFORM
330*4882a593Smuzhiyun	select WATCHDOG_CORE
331*4882a593Smuzhiyun	select REGMAP
332*4882a593Smuzhiyun	help
333*4882a593Smuzhiyun	  This is the driver for the hardware watchdog on Mellanox systems.
334*4882a593Smuzhiyun	  If you are going to use it, say Y here, otherwise N.
335*4882a593Smuzhiyun	  This driver can be used together with the watchdog daemon.
336*4882a593Smuzhiyun	  It can also watch your kernel to make sure it doesn't freeze,
337*4882a593Smuzhiyun	  and if it does, it reboots your system after a certain amount of
338*4882a593Smuzhiyun	  time.
339*4882a593Smuzhiyun
340*4882a593Smuzhiyun	  To compile this driver as a module, choose M here: the
341*4882a593Smuzhiyun	  module will be called mlx-wdt.
342*4882a593Smuzhiyun
343*4882a593Smuzhiyunconfig SL28CPLD_WATCHDOG
344*4882a593Smuzhiyun	tristate "Kontron sl28cpld Watchdog"
345*4882a593Smuzhiyun	depends on MFD_SL28CPLD || COMPILE_TEST
346*4882a593Smuzhiyun	select WATCHDOG_CORE
347*4882a593Smuzhiyun	help
348*4882a593Smuzhiyun	  Say Y here to include support for the watchdog timer
349*4882a593Smuzhiyun	  on the Kontron sl28 CPLD.
350*4882a593Smuzhiyun
351*4882a593Smuzhiyun	  To compile this driver as a module, choose M here: the
352*4882a593Smuzhiyun	  module will be called sl28cpld_wdt.
353*4882a593Smuzhiyun
354*4882a593Smuzhiyun# ALPHA Architecture
355*4882a593Smuzhiyun
356*4882a593Smuzhiyun# ARM Architecture
357*4882a593Smuzhiyun
358*4882a593Smuzhiyunconfig ARM_SP805_WATCHDOG
359*4882a593Smuzhiyun	tristate "ARM SP805 Watchdog"
360*4882a593Smuzhiyun	depends on (ARM || ARM64 || COMPILE_TEST) && ARM_AMBA
361*4882a593Smuzhiyun	select WATCHDOG_CORE
362*4882a593Smuzhiyun	help
363*4882a593Smuzhiyun	  ARM Primecell SP805 Watchdog timer. This will reboot your system when
364*4882a593Smuzhiyun	  the timeout is reached.
365*4882a593Smuzhiyun
366*4882a593Smuzhiyunconfig ARM_SBSA_WATCHDOG
367*4882a593Smuzhiyun	tristate "ARM SBSA Generic Watchdog"
368*4882a593Smuzhiyun	depends on ARM64
369*4882a593Smuzhiyun	depends on ARM_ARCH_TIMER
370*4882a593Smuzhiyun	select WATCHDOG_CORE
371*4882a593Smuzhiyun	help
372*4882a593Smuzhiyun	  ARM SBSA Generic Watchdog has two stage timeouts:
373*4882a593Smuzhiyun	  the first signal (WS0) is for alerting the system by interrupt,
374*4882a593Smuzhiyun	  the second one (WS1) is a real hardware reset.
375*4882a593Smuzhiyun	  More details: ARM DEN0029B - Server Base System Architecture (SBSA)
376*4882a593Smuzhiyun
377*4882a593Smuzhiyun	  This driver can operate ARM SBSA Generic Watchdog as a single stage
378*4882a593Smuzhiyun	  or a two stages watchdog, it depends on the module parameter "action".
379*4882a593Smuzhiyun
380*4882a593Smuzhiyun	  Note: the maximum timeout in the two stages mode is half of that in
381*4882a593Smuzhiyun	  the single stage mode.
382*4882a593Smuzhiyun
383*4882a593Smuzhiyun	  To compile this driver as module, choose M here: The module
384*4882a593Smuzhiyun	  will be called sbsa_gwdt.
385*4882a593Smuzhiyun
386*4882a593Smuzhiyunconfig ARMADA_37XX_WATCHDOG
387*4882a593Smuzhiyun	tristate "Armada 37xx watchdog"
388*4882a593Smuzhiyun	depends on ARCH_MVEBU || COMPILE_TEST
389*4882a593Smuzhiyun	depends on HAS_IOMEM
390*4882a593Smuzhiyun	select MFD_SYSCON
391*4882a593Smuzhiyun	select WATCHDOG_CORE
392*4882a593Smuzhiyun	help
393*4882a593Smuzhiyun	   Say Y here to include support for the watchdog timer found on
394*4882a593Smuzhiyun	   Marvell Armada 37xx SoCs.
395*4882a593Smuzhiyun	   To compile this driver as a module, choose M here: the
396*4882a593Smuzhiyun	   module will be called armada_37xx_wdt.
397*4882a593Smuzhiyun
398*4882a593Smuzhiyunconfig ASM9260_WATCHDOG
399*4882a593Smuzhiyun	tristate "Alphascale ASM9260 watchdog"
400*4882a593Smuzhiyun	depends on MACH_ASM9260 || COMPILE_TEST
401*4882a593Smuzhiyun	depends on OF
402*4882a593Smuzhiyun	select WATCHDOG_CORE
403*4882a593Smuzhiyun	select RESET_CONTROLLER
404*4882a593Smuzhiyun	help
405*4882a593Smuzhiyun	  Watchdog timer embedded into Alphascale asm9260 chips. This will reboot your
406*4882a593Smuzhiyun	  system when the timeout is reached.
407*4882a593Smuzhiyun
408*4882a593Smuzhiyunconfig AT91RM9200_WATCHDOG
409*4882a593Smuzhiyun	tristate "AT91RM9200 watchdog"
410*4882a593Smuzhiyun	depends on (SOC_AT91RM9200 && MFD_SYSCON) || COMPILE_TEST
411*4882a593Smuzhiyun	help
412*4882a593Smuzhiyun	  Watchdog timer embedded into AT91RM9200 chips. This will reboot your
413*4882a593Smuzhiyun	  system when the timeout is reached.
414*4882a593Smuzhiyun
415*4882a593Smuzhiyunconfig AT91SAM9X_WATCHDOG
416*4882a593Smuzhiyun	tristate "AT91SAM9X / AT91CAP9 watchdog"
417*4882a593Smuzhiyun	depends on ARCH_AT91 || COMPILE_TEST
418*4882a593Smuzhiyun	select WATCHDOG_CORE
419*4882a593Smuzhiyun	help
420*4882a593Smuzhiyun	  Watchdog timer embedded into AT91SAM9X and AT91CAP9 chips. This will
421*4882a593Smuzhiyun	  reboot your system when the timeout is reached.
422*4882a593Smuzhiyun
423*4882a593Smuzhiyunconfig SAMA5D4_WATCHDOG
424*4882a593Smuzhiyun	tristate "Atmel SAMA5D4 Watchdog Timer"
425*4882a593Smuzhiyun	depends on ARCH_AT91 || COMPILE_TEST
426*4882a593Smuzhiyun	select WATCHDOG_CORE
427*4882a593Smuzhiyun	help
428*4882a593Smuzhiyun	  Atmel SAMA5D4 watchdog timer is embedded into SAMA5D4 chips.
429*4882a593Smuzhiyun	  Its Watchdog Timer Mode Register can be written more than once.
430*4882a593Smuzhiyun	  This will reboot your system when the timeout is reached.
431*4882a593Smuzhiyun
432*4882a593Smuzhiyunconfig CADENCE_WATCHDOG
433*4882a593Smuzhiyun	tristate "Cadence Watchdog Timer"
434*4882a593Smuzhiyun	depends on HAS_IOMEM
435*4882a593Smuzhiyun	select WATCHDOG_CORE
436*4882a593Smuzhiyun	help
437*4882a593Smuzhiyun	  Say Y here if you want to include support for the watchdog
438*4882a593Smuzhiyun	  timer in the Xilinx Zynq.
439*4882a593Smuzhiyun
440*4882a593Smuzhiyunconfig 21285_WATCHDOG
441*4882a593Smuzhiyun	tristate "DC21285 watchdog"
442*4882a593Smuzhiyun	depends on FOOTBRIDGE
443*4882a593Smuzhiyun	help
444*4882a593Smuzhiyun	  The Intel Footbridge chip contains a built-in watchdog circuit. Say Y
445*4882a593Smuzhiyun	  here if you wish to use this. Alternatively say M to compile the
446*4882a593Smuzhiyun	  driver as a module, which will be called wdt285.
447*4882a593Smuzhiyun
448*4882a593Smuzhiyun	  This driver does not work on all machines. In particular, early CATS
449*4882a593Smuzhiyun	  boards have hardware problems that will cause the machine to simply
450*4882a593Smuzhiyun	  lock up if the watchdog fires.
451*4882a593Smuzhiyun
452*4882a593Smuzhiyun	  "If in doubt, leave it out" - say N.
453*4882a593Smuzhiyun
454*4882a593Smuzhiyunconfig 977_WATCHDOG
455*4882a593Smuzhiyun	tristate "NetWinder WB83C977 watchdog"
456*4882a593Smuzhiyun	depends on (FOOTBRIDGE && ARCH_NETWINDER) || (ARM && COMPILE_TEST)
457*4882a593Smuzhiyun	help
458*4882a593Smuzhiyun	  Say Y here to include support for the WB977 watchdog included in
459*4882a593Smuzhiyun	  NetWinder machines. Alternatively say M to compile the driver as
460*4882a593Smuzhiyun	  a module, which will be called wdt977.
461*4882a593Smuzhiyun
462*4882a593Smuzhiyun	  Not sure? It's safe to say N.
463*4882a593Smuzhiyun
464*4882a593Smuzhiyunconfig FTWDT010_WATCHDOG
465*4882a593Smuzhiyun	tristate "Faraday Technology FTWDT010 watchdog"
466*4882a593Smuzhiyun	depends on ARM || COMPILE_TEST
467*4882a593Smuzhiyun	select WATCHDOG_CORE
468*4882a593Smuzhiyun	default ARCH_GEMINI
469*4882a593Smuzhiyun	help
470*4882a593Smuzhiyun	  Say Y here if to include support for the Faraday Technology
471*4882a593Smuzhiyun	  FTWDT010 watchdog timer embedded in the Cortina Systems Gemini
472*4882a593Smuzhiyun	  family of devices.
473*4882a593Smuzhiyun
474*4882a593Smuzhiyun	  To compile this driver as a module, choose M here: the
475*4882a593Smuzhiyun	  module will be called ftwdt010_wdt.
476*4882a593Smuzhiyun
477*4882a593Smuzhiyunconfig IXP4XX_WATCHDOG
478*4882a593Smuzhiyun	tristate "IXP4xx Watchdog"
479*4882a593Smuzhiyun	depends on ARCH_IXP4XX
480*4882a593Smuzhiyun	help
481*4882a593Smuzhiyun	  Say Y here if to include support for the watchdog timer
482*4882a593Smuzhiyun	  in the Intel IXP4xx network processors. This driver can
483*4882a593Smuzhiyun	  be built as a module by choosing M. The module will
484*4882a593Smuzhiyun	  be called ixp4xx_wdt.
485*4882a593Smuzhiyun
486*4882a593Smuzhiyun	  Note: The internal IXP4xx watchdog does a soft CPU reset
487*4882a593Smuzhiyun	  which doesn't reset any peripherals. There are circumstances
488*4882a593Smuzhiyun	  where the watchdog will fail to reset the board correctly
489*4882a593Smuzhiyun	  (e.g., if the boot ROM is in an unreadable state).
490*4882a593Smuzhiyun
491*4882a593Smuzhiyun	  Say N if you are unsure.
492*4882a593Smuzhiyun
493*4882a593Smuzhiyunconfig S3C2410_WATCHDOG
494*4882a593Smuzhiyun	tristate "S3C2410 Watchdog"
495*4882a593Smuzhiyun	depends on ARCH_S3C24XX || ARCH_S3C64XX || ARCH_S5PV210 || ARCH_EXYNOS || \
496*4882a593Smuzhiyun		   COMPILE_TEST
497*4882a593Smuzhiyun	select WATCHDOG_CORE
498*4882a593Smuzhiyun	select MFD_SYSCON if ARCH_EXYNOS
499*4882a593Smuzhiyun	help
500*4882a593Smuzhiyun	  Watchdog timer block in the Samsung SoCs. This will reboot
501*4882a593Smuzhiyun	  the system when the timer expires with the watchdog enabled.
502*4882a593Smuzhiyun
503*4882a593Smuzhiyun	  The driver is limited by the speed of the system's PCLK
504*4882a593Smuzhiyun	  signal, so with reasonably fast systems (PCLK around 50-66MHz)
505*4882a593Smuzhiyun	  then watchdog intervals of over approximately 20seconds are
506*4882a593Smuzhiyun	  unavailable.
507*4882a593Smuzhiyun
508*4882a593Smuzhiyun	  The driver can be built as a module by choosing M, and will
509*4882a593Smuzhiyun	  be called s3c2410_wdt
510*4882a593Smuzhiyun
511*4882a593Smuzhiyunconfig SA1100_WATCHDOG
512*4882a593Smuzhiyun	tristate "SA1100/PXA2xx watchdog"
513*4882a593Smuzhiyun	depends on ARCH_SA1100 || ARCH_PXA
514*4882a593Smuzhiyun	help
515*4882a593Smuzhiyun	  Watchdog timer embedded into SA11x0 and PXA2xx chips. This will
516*4882a593Smuzhiyun	  reboot your system when timeout is reached.
517*4882a593Smuzhiyun
518*4882a593Smuzhiyun	  NOTE: once enabled, this timer cannot be disabled.
519*4882a593Smuzhiyun
520*4882a593Smuzhiyun	  To compile this driver as a module, choose M here: the
521*4882a593Smuzhiyun	  module will be called sa1100_wdt.
522*4882a593Smuzhiyun
523*4882a593Smuzhiyunconfig DW_WATCHDOG
524*4882a593Smuzhiyun	tristate "Synopsys DesignWare watchdog"
525*4882a593Smuzhiyun	depends on HAS_IOMEM
526*4882a593Smuzhiyun	select WATCHDOG_CORE
527*4882a593Smuzhiyun	help
528*4882a593Smuzhiyun	  Say Y here if to include support for the Synopsys DesignWare
529*4882a593Smuzhiyun	  watchdog timer found in many chips.
530*4882a593Smuzhiyun	  To compile this driver as a module, choose M here: the
531*4882a593Smuzhiyun	  module will be called dw_wdt.
532*4882a593Smuzhiyun
533*4882a593Smuzhiyunconfig EP93XX_WATCHDOG
534*4882a593Smuzhiyun	tristate "EP93xx Watchdog"
535*4882a593Smuzhiyun	depends on ARCH_EP93XX || COMPILE_TEST
536*4882a593Smuzhiyun	select WATCHDOG_CORE
537*4882a593Smuzhiyun	help
538*4882a593Smuzhiyun	  Say Y here if to include support for the watchdog timer
539*4882a593Smuzhiyun	  embedded in the Cirrus Logic EP93xx family of devices.
540*4882a593Smuzhiyun
541*4882a593Smuzhiyun	  To compile this driver as a module, choose M here: the
542*4882a593Smuzhiyun	  module will be called ep93xx_wdt.
543*4882a593Smuzhiyun
544*4882a593Smuzhiyunconfig OMAP_WATCHDOG
545*4882a593Smuzhiyun	tristate "OMAP Watchdog"
546*4882a593Smuzhiyun	depends on ARCH_OMAP16XX || ARCH_OMAP2PLUS || COMPILE_TEST
547*4882a593Smuzhiyun	select WATCHDOG_CORE
548*4882a593Smuzhiyun	help
549*4882a593Smuzhiyun	  Support for TI OMAP1610/OMAP1710/OMAP2420/OMAP3430/OMAP4430 watchdog.  Say 'Y'
550*4882a593Smuzhiyun	  here to enable the OMAP1610/OMAP1710/OMAP2420/OMAP3430/OMAP4430 watchdog timer.
551*4882a593Smuzhiyun
552*4882a593Smuzhiyunconfig PNX4008_WATCHDOG
553*4882a593Smuzhiyun	tristate "LPC32XX Watchdog"
554*4882a593Smuzhiyun	depends on ARCH_LPC32XX || COMPILE_TEST
555*4882a593Smuzhiyun	select WATCHDOG_CORE
556*4882a593Smuzhiyun	help
557*4882a593Smuzhiyun	  Say Y here if to include support for the watchdog timer
558*4882a593Smuzhiyun	  in the LPC32XX processor.
559*4882a593Smuzhiyun	  This driver can be built as a module by choosing M. The module
560*4882a593Smuzhiyun	  will be called pnx4008_wdt.
561*4882a593Smuzhiyun
562*4882a593Smuzhiyun	  Say N if you are unsure.
563*4882a593Smuzhiyun
564*4882a593Smuzhiyunconfig IOP_WATCHDOG
565*4882a593Smuzhiyun	tristate "IOP Watchdog"
566*4882a593Smuzhiyun	depends on ARCH_IOP13XX
567*4882a593Smuzhiyun	select WATCHDOG_NOWAYOUT if (ARCH_IOP32X || ARCH_IOP33X)
568*4882a593Smuzhiyun	help
569*4882a593Smuzhiyun	  Say Y here if to include support for the watchdog timer
570*4882a593Smuzhiyun	  in the Intel IOP3XX & IOP13XX I/O Processors.  This driver can
571*4882a593Smuzhiyun	  be built as a module by choosing M. The module will
572*4882a593Smuzhiyun	  be called iop_wdt.
573*4882a593Smuzhiyun
574*4882a593Smuzhiyun	  Note: The IOP13XX watchdog does an Internal Bus Reset which will
575*4882a593Smuzhiyun	  affect both cores and the peripherals of the IOP.  The ATU-X
576*4882a593Smuzhiyun	  and/or ATUe configuration registers will remain intact, but if
577*4882a593Smuzhiyun	  operating as an Root Complex and/or Central Resource, the PCI-X
578*4882a593Smuzhiyun	  and/or PCIe busses will also be reset.  THIS IS A VERY BIG HAMMER.
579*4882a593Smuzhiyun
580*4882a593Smuzhiyunconfig DAVINCI_WATCHDOG
581*4882a593Smuzhiyun	tristate "DaVinci watchdog"
582*4882a593Smuzhiyun	depends on ARCH_DAVINCI || ARCH_KEYSTONE || COMPILE_TEST
583*4882a593Smuzhiyun	select WATCHDOG_CORE
584*4882a593Smuzhiyun	help
585*4882a593Smuzhiyun	  Say Y here if to include support for the watchdog timer
586*4882a593Smuzhiyun	  in the DaVinci DM644x/DM646x or Keystone processors.
587*4882a593Smuzhiyun	  To compile this driver as a module, choose M here: the
588*4882a593Smuzhiyun	  module will be called davinci_wdt.
589*4882a593Smuzhiyun
590*4882a593Smuzhiyun	  NOTE: once enabled, this timer cannot be disabled.
591*4882a593Smuzhiyun	  Say N if you are unsure.
592*4882a593Smuzhiyun
593*4882a593Smuzhiyunconfig K3_RTI_WATCHDOG
594*4882a593Smuzhiyun	tristate "Texas Instruments K3 RTI watchdog"
595*4882a593Smuzhiyun	depends on ARCH_K3 || COMPILE_TEST
596*4882a593Smuzhiyun	select WATCHDOG_CORE
597*4882a593Smuzhiyun	help
598*4882a593Smuzhiyun	  Say Y here if you want to include support for the K3 watchdog
599*4882a593Smuzhiyun	  timer (RTI module) available in the K3 generation of processors.
600*4882a593Smuzhiyun
601*4882a593Smuzhiyunconfig ORION_WATCHDOG
602*4882a593Smuzhiyun	tristate "Orion watchdog"
603*4882a593Smuzhiyun	depends on ARCH_ORION5X || ARCH_DOVE || MACH_DOVE || ARCH_MVEBU || (COMPILE_TEST && !ARCH_EBSA110)
604*4882a593Smuzhiyun	depends on ARM
605*4882a593Smuzhiyun	select WATCHDOG_CORE
606*4882a593Smuzhiyun	help
607*4882a593Smuzhiyun	  Say Y here if to include support for the watchdog timer
608*4882a593Smuzhiyun	  in the Marvell Orion5x and Kirkwood ARM SoCs.
609*4882a593Smuzhiyun	  To compile this driver as a module, choose M here: the
610*4882a593Smuzhiyun	  module will be called orion_wdt.
611*4882a593Smuzhiyun
612*4882a593Smuzhiyunconfig RN5T618_WATCHDOG
613*4882a593Smuzhiyun	tristate "Ricoh RN5T618 watchdog"
614*4882a593Smuzhiyun	depends on MFD_RN5T618 || COMPILE_TEST
615*4882a593Smuzhiyun	select WATCHDOG_CORE
616*4882a593Smuzhiyun	help
617*4882a593Smuzhiyun	  If you say yes here you get support for watchdog on the Ricoh
618*4882a593Smuzhiyun	  RN5T618 PMIC.
619*4882a593Smuzhiyun
620*4882a593Smuzhiyun	  This driver can also be built as a module.  If so, the module
621*4882a593Smuzhiyun	  will be called rn5t618_wdt.
622*4882a593Smuzhiyun
623*4882a593Smuzhiyunconfig SUNXI_WATCHDOG
624*4882a593Smuzhiyun	tristate "Allwinner SoCs watchdog support"
625*4882a593Smuzhiyun	depends on ARCH_SUNXI || COMPILE_TEST
626*4882a593Smuzhiyun	select WATCHDOG_CORE
627*4882a593Smuzhiyun	help
628*4882a593Smuzhiyun	  Say Y here to include support for the watchdog timer
629*4882a593Smuzhiyun	  in Allwinner SoCs.
630*4882a593Smuzhiyun	  To compile this driver as a module, choose M here: the
631*4882a593Smuzhiyun	  module will be called sunxi_wdt.
632*4882a593Smuzhiyun
633*4882a593Smuzhiyunconfig COH901327_WATCHDOG
634*4882a593Smuzhiyun	bool "ST-Ericsson COH 901 327 watchdog"
635*4882a593Smuzhiyun	depends on ARCH_U300 || (ARM && COMMON_CLK && COMPILE_TEST)
636*4882a593Smuzhiyun	default y if MACH_U300
637*4882a593Smuzhiyun	select WATCHDOG_CORE
638*4882a593Smuzhiyun	help
639*4882a593Smuzhiyun	  Say Y here to include Watchdog timer support for the
640*4882a593Smuzhiyun	  watchdog embedded into the ST-Ericsson U300 series platforms.
641*4882a593Smuzhiyun	  This watchdog is used to reset the system and thus cannot be
642*4882a593Smuzhiyun	  compiled as a module.
643*4882a593Smuzhiyun
644*4882a593Smuzhiyunconfig NPCM7XX_WATCHDOG
645*4882a593Smuzhiyun	tristate "Nuvoton NPCM750 watchdog"
646*4882a593Smuzhiyun	depends on ARCH_NPCM || COMPILE_TEST
647*4882a593Smuzhiyun	default y if ARCH_NPCM7XX
648*4882a593Smuzhiyun	select WATCHDOG_CORE
649*4882a593Smuzhiyun	help
650*4882a593Smuzhiyun	  Say Y here to include Watchdog timer support for the
651*4882a593Smuzhiyun	  watchdog embedded into the NPCM7xx.
652*4882a593Smuzhiyun	  This watchdog is used to reset the system and thus cannot be
653*4882a593Smuzhiyun	  compiled as a module.
654*4882a593Smuzhiyun
655*4882a593Smuzhiyunconfig TWL4030_WATCHDOG
656*4882a593Smuzhiyun	tristate "TWL4030 Watchdog"
657*4882a593Smuzhiyun	depends on TWL4030_CORE
658*4882a593Smuzhiyun	select WATCHDOG_CORE
659*4882a593Smuzhiyun	help
660*4882a593Smuzhiyun	  Support for TI TWL4030 watchdog.  Say 'Y' here to enable the
661*4882a593Smuzhiyun	  watchdog timer support for TWL4030 chips.
662*4882a593Smuzhiyun
663*4882a593Smuzhiyunconfig STMP3XXX_RTC_WATCHDOG
664*4882a593Smuzhiyun	tristate "Freescale STMP3XXX & i.MX23/28 watchdog"
665*4882a593Smuzhiyun	depends on RTC_DRV_STMP || COMPILE_TEST
666*4882a593Smuzhiyun	select WATCHDOG_CORE
667*4882a593Smuzhiyun	help
668*4882a593Smuzhiyun	  Say Y here to include support for the watchdog timer inside
669*4882a593Smuzhiyun	  the RTC for the STMP37XX/378X or i.MX23/28 SoC.
670*4882a593Smuzhiyun	  To compile this driver as a module, choose M here: the
671*4882a593Smuzhiyun	  module will be called stmp3xxx_rtc_wdt.
672*4882a593Smuzhiyun
673*4882a593Smuzhiyunconfig TS4800_WATCHDOG
674*4882a593Smuzhiyun	tristate "TS-4800 Watchdog"
675*4882a593Smuzhiyun	depends on HAS_IOMEM && OF
676*4882a593Smuzhiyun	depends on SOC_IMX51 || COMPILE_TEST
677*4882a593Smuzhiyun	select WATCHDOG_CORE
678*4882a593Smuzhiyun	select MFD_SYSCON
679*4882a593Smuzhiyun	help
680*4882a593Smuzhiyun	  Technologic Systems TS-4800 has watchdog timer implemented in
681*4882a593Smuzhiyun	  an external FPGA. Say Y here if you want to support for the
682*4882a593Smuzhiyun	  watchdog timer on TS-4800 board.
683*4882a593Smuzhiyun
684*4882a593Smuzhiyunconfig TS72XX_WATCHDOG
685*4882a593Smuzhiyun	tristate "TS-72XX SBC Watchdog"
686*4882a593Smuzhiyun	depends on MACH_TS72XX || COMPILE_TEST
687*4882a593Smuzhiyun	select WATCHDOG_CORE
688*4882a593Smuzhiyun	help
689*4882a593Smuzhiyun	  Technologic Systems TS-7200, TS-7250 and TS-7260 boards have
690*4882a593Smuzhiyun	  watchdog timer implemented in a external CPLD chip. Say Y here
691*4882a593Smuzhiyun	  if you want to support for the watchdog timer on TS-72XX boards.
692*4882a593Smuzhiyun
693*4882a593Smuzhiyun	  To compile this driver as a module, choose M here: the
694*4882a593Smuzhiyun	  module will be called ts72xx_wdt.
695*4882a593Smuzhiyun
696*4882a593Smuzhiyunconfig MAX63XX_WATCHDOG
697*4882a593Smuzhiyun	tristate "Max63xx watchdog"
698*4882a593Smuzhiyun	depends on HAS_IOMEM
699*4882a593Smuzhiyun	select WATCHDOG_CORE
700*4882a593Smuzhiyun	help
701*4882a593Smuzhiyun	  Support for memory mapped max63{69,70,71,72,73,74} watchdog timer.
702*4882a593Smuzhiyun
703*4882a593Smuzhiyunconfig MAX77620_WATCHDOG
704*4882a593Smuzhiyun	tristate "Maxim Max77620 Watchdog Timer"
705*4882a593Smuzhiyun	depends on MFD_MAX77620 || COMPILE_TEST
706*4882a593Smuzhiyun	select WATCHDOG_CORE
707*4882a593Smuzhiyun	help
708*4882a593Smuzhiyun	 This is the driver for the Max77620 watchdog timer.
709*4882a593Smuzhiyun	 Say 'Y' here to enable the watchdog timer support for
710*4882a593Smuzhiyun	 MAX77620 chips. To compile this driver as a module,
711*4882a593Smuzhiyun	 choose M here: the module will be called max77620_wdt.
712*4882a593Smuzhiyun
713*4882a593Smuzhiyunconfig IMX2_WDT
714*4882a593Smuzhiyun	tristate "IMX2+ Watchdog"
715*4882a593Smuzhiyun	depends on ARCH_MXC || ARCH_LAYERSCAPE || COMPILE_TEST
716*4882a593Smuzhiyun	select REGMAP_MMIO
717*4882a593Smuzhiyun	select WATCHDOG_CORE
718*4882a593Smuzhiyun	help
719*4882a593Smuzhiyun	  This is the driver for the hardware watchdog
720*4882a593Smuzhiyun	  on the Freescale IMX2 and later processors.
721*4882a593Smuzhiyun	  If you have one of these processors and wish to have
722*4882a593Smuzhiyun	  watchdog support enabled, say Y, otherwise say N.
723*4882a593Smuzhiyun
724*4882a593Smuzhiyun	  To compile this driver as a module, choose M here: the
725*4882a593Smuzhiyun	  module will be called imx2_wdt.
726*4882a593Smuzhiyun
727*4882a593Smuzhiyunconfig IMX_SC_WDT
728*4882a593Smuzhiyun	tristate "IMX SC Watchdog"
729*4882a593Smuzhiyun	depends on HAVE_ARM_SMCCC
730*4882a593Smuzhiyun	depends on IMX_SCU
731*4882a593Smuzhiyun	select WATCHDOG_CORE
732*4882a593Smuzhiyun	help
733*4882a593Smuzhiyun	  This is the driver for the system controller watchdog
734*4882a593Smuzhiyun	  on the NXP i.MX SoCs with system controller inside, the
735*4882a593Smuzhiyun	  watchdog driver will call ARM SMC API and trap into
736*4882a593Smuzhiyun	  ARM-Trusted-Firmware for operations, ARM-Trusted-Firmware
737*4882a593Smuzhiyun	  will request system controller to execute the operations.
738*4882a593Smuzhiyun	  If you have one of these processors and wish to have
739*4882a593Smuzhiyun	  watchdog support enabled, say Y, otherwise say N.
740*4882a593Smuzhiyun
741*4882a593Smuzhiyun	  To compile this driver as a module, choose M here: the
742*4882a593Smuzhiyun	  module will be called imx_sc_wdt.
743*4882a593Smuzhiyun
744*4882a593Smuzhiyunconfig IMX7ULP_WDT
745*4882a593Smuzhiyun	tristate "IMX7ULP Watchdog"
746*4882a593Smuzhiyun	depends on ARCH_MXC || COMPILE_TEST
747*4882a593Smuzhiyun	select WATCHDOG_CORE
748*4882a593Smuzhiyun	help
749*4882a593Smuzhiyun	  This is the driver for the hardware watchdog on the Freescale
750*4882a593Smuzhiyun	  IMX7ULP and later processors. If you have one of these
751*4882a593Smuzhiyun	  processors and wish to have watchdog support enabled,
752*4882a593Smuzhiyun	  say Y, otherwise say N.
753*4882a593Smuzhiyun
754*4882a593Smuzhiyun	  To compile this driver as a module, choose M here: the
755*4882a593Smuzhiyun	  module will be called imx7ulp_wdt.
756*4882a593Smuzhiyun
757*4882a593Smuzhiyunconfig UX500_WATCHDOG
758*4882a593Smuzhiyun	tristate "ST-Ericsson Ux500 watchdog"
759*4882a593Smuzhiyun	depends on MFD_DB8500_PRCMU
760*4882a593Smuzhiyun	select WATCHDOG_CORE
761*4882a593Smuzhiyun	default y
762*4882a593Smuzhiyun	help
763*4882a593Smuzhiyun	  Say Y here to include Watchdog timer support for the watchdog
764*4882a593Smuzhiyun	  existing in the prcmu of ST-Ericsson Ux500 series platforms.
765*4882a593Smuzhiyun
766*4882a593Smuzhiyun	  To compile this driver as a module, choose M here: the
767*4882a593Smuzhiyun	  module will be called ux500_wdt.
768*4882a593Smuzhiyun
769*4882a593Smuzhiyunconfig RETU_WATCHDOG
770*4882a593Smuzhiyun	tristate "Retu watchdog"
771*4882a593Smuzhiyun	depends on MFD_RETU
772*4882a593Smuzhiyun	select WATCHDOG_CORE
773*4882a593Smuzhiyun	help
774*4882a593Smuzhiyun	  Retu watchdog driver for Nokia Internet Tablets (770, N800,
775*4882a593Smuzhiyun	  N810). At least on N800 the watchdog cannot be disabled, so
776*4882a593Smuzhiyun	  this driver is essential and you should enable it.
777*4882a593Smuzhiyun
778*4882a593Smuzhiyun	  To compile this driver as a module, choose M here: the
779*4882a593Smuzhiyun	  module will be called retu_wdt.
780*4882a593Smuzhiyun
781*4882a593Smuzhiyunconfig MOXART_WDT
782*4882a593Smuzhiyun	tristate "MOXART watchdog"
783*4882a593Smuzhiyun	depends on ARCH_MOXART || COMPILE_TEST
784*4882a593Smuzhiyun	help
785*4882a593Smuzhiyun	  Say Y here to include Watchdog timer support for the watchdog
786*4882a593Smuzhiyun	  existing on the MOXA ART SoC series platforms.
787*4882a593Smuzhiyun
788*4882a593Smuzhiyun	  To compile this driver as a module, choose M here: the
789*4882a593Smuzhiyun	  module will be called moxart_wdt.
790*4882a593Smuzhiyun
791*4882a593Smuzhiyunconfig SIRFSOC_WATCHDOG
792*4882a593Smuzhiyun	tristate "SiRFSOC watchdog"
793*4882a593Smuzhiyun	depends on HAS_IOMEM
794*4882a593Smuzhiyun	depends on ARCH_SIRF || COMPILE_TEST
795*4882a593Smuzhiyun	select WATCHDOG_CORE
796*4882a593Smuzhiyun	default y
797*4882a593Smuzhiyun	help
798*4882a593Smuzhiyun	  Support for CSR SiRFprimaII and SiRFatlasVI watchdog. When
799*4882a593Smuzhiyun	  the watchdog triggers the system will be reset.
800*4882a593Smuzhiyun
801*4882a593Smuzhiyunconfig ST_LPC_WATCHDOG
802*4882a593Smuzhiyun	tristate "STMicroelectronics LPC Watchdog"
803*4882a593Smuzhiyun	depends on ARCH_STI || COMPILE_TEST
804*4882a593Smuzhiyun	depends on OF
805*4882a593Smuzhiyun	select WATCHDOG_CORE
806*4882a593Smuzhiyun	help
807*4882a593Smuzhiyun	  Say Y here to include STMicroelectronics Low Power Controller
808*4882a593Smuzhiyun	  (LPC) based Watchdog timer support.
809*4882a593Smuzhiyun
810*4882a593Smuzhiyun	  To compile this driver as a module, choose M here: the
811*4882a593Smuzhiyun	  module will be called st_lpc_wdt.
812*4882a593Smuzhiyun
813*4882a593Smuzhiyunconfig TEGRA_WATCHDOG
814*4882a593Smuzhiyun	tristate "Tegra watchdog"
815*4882a593Smuzhiyun	depends on (ARCH_TEGRA || COMPILE_TEST) && HAS_IOMEM
816*4882a593Smuzhiyun	select WATCHDOG_CORE
817*4882a593Smuzhiyun	help
818*4882a593Smuzhiyun	  Say Y here to include support for the watchdog timer
819*4882a593Smuzhiyun	  embedded in NVIDIA Tegra SoCs.
820*4882a593Smuzhiyun
821*4882a593Smuzhiyun	  To compile this driver as a module, choose M here: the
822*4882a593Smuzhiyun	  module will be called tegra_wdt.
823*4882a593Smuzhiyun
824*4882a593Smuzhiyunconfig QCOM_WDT
825*4882a593Smuzhiyun	tristate "QCOM watchdog"
826*4882a593Smuzhiyun	depends on HAS_IOMEM
827*4882a593Smuzhiyun	depends on ARCH_QCOM || COMPILE_TEST
828*4882a593Smuzhiyun	select WATCHDOG_CORE
829*4882a593Smuzhiyun	help
830*4882a593Smuzhiyun	  Say Y here to include Watchdog timer support for the watchdog found
831*4882a593Smuzhiyun	  on QCOM chipsets.  Currently supported targets are the MSM8960,
832*4882a593Smuzhiyun	  APQ8064, and IPQ8064.
833*4882a593Smuzhiyun
834*4882a593Smuzhiyun	  To compile this driver as a module, choose M here: the
835*4882a593Smuzhiyun	  module will be called qcom_wdt.
836*4882a593Smuzhiyun
837*4882a593Smuzhiyunconfig MESON_GXBB_WATCHDOG
838*4882a593Smuzhiyun	tristate "Amlogic Meson GXBB SoCs watchdog support"
839*4882a593Smuzhiyun	depends on ARCH_MESON || COMPILE_TEST
840*4882a593Smuzhiyun	select WATCHDOG_CORE
841*4882a593Smuzhiyun	help
842*4882a593Smuzhiyun	  Say Y here to include support for the watchdog timer
843*4882a593Smuzhiyun	  in Amlogic Meson GXBB SoCs.
844*4882a593Smuzhiyun	  To compile this driver as a module, choose M here: the
845*4882a593Smuzhiyun	  module will be called meson_gxbb_wdt.
846*4882a593Smuzhiyun
847*4882a593Smuzhiyunconfig MESON_WATCHDOG
848*4882a593Smuzhiyun	tristate "Amlogic Meson SoCs watchdog support"
849*4882a593Smuzhiyun	depends on ARCH_MESON || COMPILE_TEST
850*4882a593Smuzhiyun	select WATCHDOG_CORE
851*4882a593Smuzhiyun	help
852*4882a593Smuzhiyun	  Say Y here to include support for the watchdog timer
853*4882a593Smuzhiyun	  in Amlogic Meson SoCs.
854*4882a593Smuzhiyun	  To compile this driver as a module, choose M here: the
855*4882a593Smuzhiyun	  module will be called meson_wdt.
856*4882a593Smuzhiyun
857*4882a593Smuzhiyunconfig MEDIATEK_WATCHDOG
858*4882a593Smuzhiyun	tristate "Mediatek SoCs watchdog support"
859*4882a593Smuzhiyun	depends on ARCH_MEDIATEK || COMPILE_TEST
860*4882a593Smuzhiyun	select WATCHDOG_CORE
861*4882a593Smuzhiyun	select RESET_CONTROLLER
862*4882a593Smuzhiyun	help
863*4882a593Smuzhiyun	  Say Y here to include support for the watchdog timer
864*4882a593Smuzhiyun	  in Mediatek SoCs.
865*4882a593Smuzhiyun	  To compile this driver as a module, choose M here: the
866*4882a593Smuzhiyun	  module will be called mtk_wdt.
867*4882a593Smuzhiyun
868*4882a593Smuzhiyunconfig DIGICOLOR_WATCHDOG
869*4882a593Smuzhiyun	tristate "Conexant Digicolor SoCs watchdog support"
870*4882a593Smuzhiyun	depends on ARCH_DIGICOLOR || COMPILE_TEST
871*4882a593Smuzhiyun	select WATCHDOG_CORE
872*4882a593Smuzhiyun	help
873*4882a593Smuzhiyun	  Say Y here to include support for the watchdog timer
874*4882a593Smuzhiyun	  in Conexant Digicolor SoCs.
875*4882a593Smuzhiyun	  To compile this driver as a module, choose M here: the
876*4882a593Smuzhiyun	  module will be called digicolor_wdt.
877*4882a593Smuzhiyun
878*4882a593Smuzhiyunconfig ARM_SMC_WATCHDOG
879*4882a593Smuzhiyun	tristate "ARM Secure Monitor Call based watchdog support"
880*4882a593Smuzhiyun	depends on ARM || ARM64
881*4882a593Smuzhiyun	depends on OF
882*4882a593Smuzhiyun	depends on HAVE_ARM_SMCCC
883*4882a593Smuzhiyun	select WATCHDOG_CORE
884*4882a593Smuzhiyun	help
885*4882a593Smuzhiyun	  Say Y here to include support for a watchdog timer
886*4882a593Smuzhiyun	  implemented by the EL3 Secure Monitor on ARM platforms.
887*4882a593Smuzhiyun	  Requires firmware support.
888*4882a593Smuzhiyun	  To compile this driver as a module, choose M here: the
889*4882a593Smuzhiyun	  module will be called arm_smc_wdt.
890*4882a593Smuzhiyun
891*4882a593Smuzhiyunconfig LPC18XX_WATCHDOG
892*4882a593Smuzhiyun	tristate "LPC18xx/43xx Watchdog"
893*4882a593Smuzhiyun	depends on ARCH_LPC18XX || COMPILE_TEST
894*4882a593Smuzhiyun	depends on HAS_IOMEM
895*4882a593Smuzhiyun	select WATCHDOG_CORE
896*4882a593Smuzhiyun	help
897*4882a593Smuzhiyun	  Say Y here if to include support for the watchdog timer
898*4882a593Smuzhiyun	  in NXP LPC SoCs family, which includes LPC18xx/LPC43xx
899*4882a593Smuzhiyun	  processors.
900*4882a593Smuzhiyun	  To compile this driver as a module, choose M here: the
901*4882a593Smuzhiyun	  module will be called lpc18xx_wdt.
902*4882a593Smuzhiyun
903*4882a593Smuzhiyunconfig ATLAS7_WATCHDOG
904*4882a593Smuzhiyun	tristate "CSRatlas7 watchdog"
905*4882a593Smuzhiyun	depends on ARCH_ATLAS7 || COMPILE_TEST
906*4882a593Smuzhiyun	help
907*4882a593Smuzhiyun	  Say Y here to include Watchdog timer support for the watchdog
908*4882a593Smuzhiyun	  existing on the CSRatlas7 series platforms.
909*4882a593Smuzhiyun
910*4882a593Smuzhiyun	  To compile this driver as a module, choose M here: the
911*4882a593Smuzhiyun	  module will be called atlas7_wdt.
912*4882a593Smuzhiyun
913*4882a593Smuzhiyunconfig RENESAS_WDT
914*4882a593Smuzhiyun	tristate "Renesas WDT Watchdog"
915*4882a593Smuzhiyun	depends on ARCH_RENESAS || COMPILE_TEST
916*4882a593Smuzhiyun	select WATCHDOG_CORE
917*4882a593Smuzhiyun	help
918*4882a593Smuzhiyun	  This driver adds watchdog support for the integrated watchdogs in the
919*4882a593Smuzhiyun	  Renesas R-Car and other SH-Mobile SoCs (usually named RWDT or SWDT).
920*4882a593Smuzhiyun
921*4882a593Smuzhiyunconfig RENESAS_RZAWDT
922*4882a593Smuzhiyun	tristate "Renesas RZ/A WDT Watchdog"
923*4882a593Smuzhiyun	depends on ARCH_RENESAS || COMPILE_TEST
924*4882a593Smuzhiyun	select WATCHDOG_CORE
925*4882a593Smuzhiyun	help
926*4882a593Smuzhiyun	  This driver adds watchdog support for the integrated watchdogs in the
927*4882a593Smuzhiyun	  Renesas RZ/A SoCs. These watchdogs can be used to reset a system.
928*4882a593Smuzhiyun
929*4882a593Smuzhiyunconfig ASPEED_WATCHDOG
930*4882a593Smuzhiyun	tristate "Aspeed BMC watchdog support"
931*4882a593Smuzhiyun	depends on ARCH_ASPEED || COMPILE_TEST
932*4882a593Smuzhiyun	select WATCHDOG_CORE
933*4882a593Smuzhiyun	help
934*4882a593Smuzhiyun	  Say Y here to include support for the watchdog timer
935*4882a593Smuzhiyun	  in Aspeed BMC SoCs.
936*4882a593Smuzhiyun
937*4882a593Smuzhiyun	  This driver is required to reboot the SoC.
938*4882a593Smuzhiyun
939*4882a593Smuzhiyun	  To compile this driver as a module, choose M here: the
940*4882a593Smuzhiyun	  module will be called aspeed_wdt.
941*4882a593Smuzhiyun
942*4882a593Smuzhiyunconfig ZX2967_WATCHDOG
943*4882a593Smuzhiyun	tristate "ZTE zx2967 SoCs watchdog support"
944*4882a593Smuzhiyun	depends on ARCH_ZX
945*4882a593Smuzhiyun	select WATCHDOG_CORE
946*4882a593Smuzhiyun	help
947*4882a593Smuzhiyun	  Say Y here to include support for the watchdog timer
948*4882a593Smuzhiyun	  in ZTE zx2967 SoCs.
949*4882a593Smuzhiyun	  To compile this driver as a module, choose M here: the
950*4882a593Smuzhiyun	  module will be called zx2967_wdt.
951*4882a593Smuzhiyun
952*4882a593Smuzhiyunconfig STM32_WATCHDOG
953*4882a593Smuzhiyun	tristate "STM32 Independent WatchDoG (IWDG) support"
954*4882a593Smuzhiyun	depends on ARCH_STM32
955*4882a593Smuzhiyun	select WATCHDOG_CORE
956*4882a593Smuzhiyun	default y
957*4882a593Smuzhiyun	help
958*4882a593Smuzhiyun	  Say Y here to include support for the watchdog timer
959*4882a593Smuzhiyun	  in stm32 SoCs.
960*4882a593Smuzhiyun
961*4882a593Smuzhiyun	  To compile this driver as a module, choose M here: the
962*4882a593Smuzhiyun	  module will be called stm32_iwdg.
963*4882a593Smuzhiyun
964*4882a593Smuzhiyunconfig STPMIC1_WATCHDOG
965*4882a593Smuzhiyun	tristate "STPMIC1 PMIC watchdog support"
966*4882a593Smuzhiyun	depends on MFD_STPMIC1
967*4882a593Smuzhiyun	select WATCHDOG_CORE
968*4882a593Smuzhiyun	help
969*4882a593Smuzhiyun	  Say Y here to include watchdog support embedded into STPMIC1 PMIC.
970*4882a593Smuzhiyun	  If the watchdog timer expires, stpmic1 will shut down all its power
971*4882a593Smuzhiyun	  supplies.
972*4882a593Smuzhiyun
973*4882a593Smuzhiyun	  To compile this driver as a module, choose M here: the
974*4882a593Smuzhiyun	  module will be called spmic1_wdt.
975*4882a593Smuzhiyun
976*4882a593Smuzhiyunconfig UNIPHIER_WATCHDOG
977*4882a593Smuzhiyun	tristate "UniPhier watchdog support"
978*4882a593Smuzhiyun	depends on ARCH_UNIPHIER || COMPILE_TEST
979*4882a593Smuzhiyun	depends on OF && MFD_SYSCON
980*4882a593Smuzhiyun	select WATCHDOG_CORE
981*4882a593Smuzhiyun	help
982*4882a593Smuzhiyun	  Say Y here to include support watchdog timer embedded
983*4882a593Smuzhiyun	  into the UniPhier system.
984*4882a593Smuzhiyun
985*4882a593Smuzhiyun	  To compile this driver as a module, choose M here: the
986*4882a593Smuzhiyun	  module will be called uniphier_wdt.
987*4882a593Smuzhiyun
988*4882a593Smuzhiyunconfig RTD119X_WATCHDOG
989*4882a593Smuzhiyun	bool "Realtek RTD119x/RTD129x watchdog support"
990*4882a593Smuzhiyun	depends on ARCH_REALTEK || COMPILE_TEST
991*4882a593Smuzhiyun	depends on OF
992*4882a593Smuzhiyun	select WATCHDOG_CORE
993*4882a593Smuzhiyun	default ARCH_REALTEK
994*4882a593Smuzhiyun	help
995*4882a593Smuzhiyun	  Say Y here to include support for the watchdog timer in
996*4882a593Smuzhiyun	  Realtek RTD1295 SoCs.
997*4882a593Smuzhiyun
998*4882a593Smuzhiyunconfig SPRD_WATCHDOG
999*4882a593Smuzhiyun	tristate "Spreadtrum watchdog support"
1000*4882a593Smuzhiyun	depends on ARCH_SPRD || COMPILE_TEST
1001*4882a593Smuzhiyun	select WATCHDOG_CORE
1002*4882a593Smuzhiyun	help
1003*4882a593Smuzhiyun	  Say Y here to include watchdog timer supported
1004*4882a593Smuzhiyun	  by Spreadtrum system.
1005*4882a593Smuzhiyun
1006*4882a593Smuzhiyunconfig PM8916_WATCHDOG
1007*4882a593Smuzhiyun	tristate "QCOM PM8916 pmic watchdog"
1008*4882a593Smuzhiyun	depends on OF && MFD_SPMI_PMIC
1009*4882a593Smuzhiyun	select WATCHDOG_CORE
1010*4882a593Smuzhiyun	help
1011*4882a593Smuzhiyun	  Say Y here to include support watchdog timer embedded into the
1012*4882a593Smuzhiyun	  pm8916 module.
1013*4882a593Smuzhiyun
1014*4882a593Smuzhiyunconfig VISCONTI_WATCHDOG
1015*4882a593Smuzhiyun	tristate "Toshiba Visconti series watchdog support"
1016*4882a593Smuzhiyun	depends on ARCH_VISCONTI || COMPILE_TEST
1017*4882a593Smuzhiyun	select WATCHDOG_CORE
1018*4882a593Smuzhiyun	help
1019*4882a593Smuzhiyun	  Say Y here to include support for the watchdog timer in Toshiba
1020*4882a593Smuzhiyun	  Visconti SoCs.
1021*4882a593Smuzhiyun
1022*4882a593Smuzhiyun# X86 (i386 + ia64 + x86_64) Architecture
1023*4882a593Smuzhiyun
1024*4882a593Smuzhiyunconfig ACQUIRE_WDT
1025*4882a593Smuzhiyun	tristate "Acquire SBC Watchdog Timer"
1026*4882a593Smuzhiyun	depends on X86
1027*4882a593Smuzhiyun	help
1028*4882a593Smuzhiyun	  This is the driver for the hardware watchdog on Single Board
1029*4882a593Smuzhiyun	  Computers produced by Acquire Inc (and others). This watchdog
1030*4882a593Smuzhiyun	  simply watches your kernel to make sure it doesn't freeze, and if
1031*4882a593Smuzhiyun	  it does, it reboots your computer after a certain amount of time.
1032*4882a593Smuzhiyun
1033*4882a593Smuzhiyun	  To compile this driver as a module, choose M here: the
1034*4882a593Smuzhiyun	  module will be called acquirewdt.
1035*4882a593Smuzhiyun
1036*4882a593Smuzhiyun	  Most people will say N.
1037*4882a593Smuzhiyun
1038*4882a593Smuzhiyunconfig ADVANTECH_WDT
1039*4882a593Smuzhiyun	tristate "Advantech SBC Watchdog Timer"
1040*4882a593Smuzhiyun	depends on X86
1041*4882a593Smuzhiyun	help
1042*4882a593Smuzhiyun	  If you are configuring a Linux kernel for the Advantech single-board
1043*4882a593Smuzhiyun	  computer, say `Y' here to support its built-in watchdog timer
1044*4882a593Smuzhiyun	  feature. More information can be found at
1045*4882a593Smuzhiyun	  <https://www.advantech.com.tw/products/>
1046*4882a593Smuzhiyun
1047*4882a593Smuzhiyunconfig ALIM1535_WDT
1048*4882a593Smuzhiyun	tristate "ALi M1535 PMU Watchdog Timer"
1049*4882a593Smuzhiyun	depends on X86 && PCI
1050*4882a593Smuzhiyun	help
1051*4882a593Smuzhiyun	  This is the driver for the hardware watchdog on the ALi M1535 PMU.
1052*4882a593Smuzhiyun
1053*4882a593Smuzhiyun	  To compile this driver as a module, choose M here: the
1054*4882a593Smuzhiyun	  module will be called alim1535_wdt.
1055*4882a593Smuzhiyun
1056*4882a593Smuzhiyun	  Most people will say N.
1057*4882a593Smuzhiyun
1058*4882a593Smuzhiyunconfig ALIM7101_WDT
1059*4882a593Smuzhiyun	tristate "ALi M7101 PMU Computer Watchdog"
1060*4882a593Smuzhiyun	depends on PCI
1061*4882a593Smuzhiyun	help
1062*4882a593Smuzhiyun	  This is the driver for the hardware watchdog on the ALi M7101 PMU
1063*4882a593Smuzhiyun	  as used in the x86 Cobalt servers and also found in some
1064*4882a593Smuzhiyun	  SPARC Netra servers too.
1065*4882a593Smuzhiyun
1066*4882a593Smuzhiyun	  To compile this driver as a module, choose M here: the
1067*4882a593Smuzhiyun	  module will be called alim7101_wdt.
1068*4882a593Smuzhiyun
1069*4882a593Smuzhiyun	  Most people will say N.
1070*4882a593Smuzhiyun
1071*4882a593Smuzhiyunconfig EBC_C384_WDT
1072*4882a593Smuzhiyun	tristate "WinSystems EBC-C384 Watchdog Timer"
1073*4882a593Smuzhiyun	depends on X86
1074*4882a593Smuzhiyun	select ISA_BUS_API
1075*4882a593Smuzhiyun	select WATCHDOG_CORE
1076*4882a593Smuzhiyun	help
1077*4882a593Smuzhiyun	  Enables watchdog timer support for the watchdog timer on the
1078*4882a593Smuzhiyun	  WinSystems EBC-C384 motherboard. The timeout may be configured via
1079*4882a593Smuzhiyun	  the timeout module parameter.
1080*4882a593Smuzhiyun
1081*4882a593Smuzhiyunconfig F71808E_WDT
1082*4882a593Smuzhiyun	tristate "Fintek F718xx, F818xx Super I/O Watchdog"
1083*4882a593Smuzhiyun	depends on X86
1084*4882a593Smuzhiyun	help
1085*4882a593Smuzhiyun	  This is the driver for the hardware watchdog on the Fintek F71808E,
1086*4882a593Smuzhiyun	  F71862FG, F71868, F71869, F71882FG, F71889FG, F81803, F81865, and
1087*4882a593Smuzhiyun	  F81866 Super I/O controllers.
1088*4882a593Smuzhiyun
1089*4882a593Smuzhiyun	  You can compile this driver directly into the kernel, or use
1090*4882a593Smuzhiyun	  it as a module.  The module will be called f71808e_wdt.
1091*4882a593Smuzhiyun
1092*4882a593Smuzhiyunconfig SP5100_TCO
1093*4882a593Smuzhiyun	tristate "AMD/ATI SP5100 TCO Timer/Watchdog"
1094*4882a593Smuzhiyun	depends on X86 && PCI
1095*4882a593Smuzhiyun	select WATCHDOG_CORE
1096*4882a593Smuzhiyun	help
1097*4882a593Smuzhiyun	  Hardware watchdog driver for the AMD/ATI SP5100 chipset. The TCO
1098*4882a593Smuzhiyun	  (Total Cost of Ownership) timer is a watchdog timer that will reboot
1099*4882a593Smuzhiyun	  the machine after its expiration. The expiration time can be
1100*4882a593Smuzhiyun	  configured with the "heartbeat" parameter.
1101*4882a593Smuzhiyun
1102*4882a593Smuzhiyun	  To compile this driver as a module, choose M here: the
1103*4882a593Smuzhiyun	  module will be called sp5100_tco.
1104*4882a593Smuzhiyun
1105*4882a593Smuzhiyunconfig GEODE_WDT
1106*4882a593Smuzhiyun	tristate "AMD Geode CS5535/CS5536 Watchdog"
1107*4882a593Smuzhiyun	depends on CS5535_MFGPT
1108*4882a593Smuzhiyun	help
1109*4882a593Smuzhiyun	  This driver enables a watchdog capability built into the
1110*4882a593Smuzhiyun	  CS5535/CS5536 companion chips for the AMD Geode GX and LX
1111*4882a593Smuzhiyun	  processors.  This watchdog watches your kernel to make sure
1112*4882a593Smuzhiyun	  it doesn't freeze, and if it does, it reboots your computer after
1113*4882a593Smuzhiyun	  a certain amount of time.
1114*4882a593Smuzhiyun
1115*4882a593Smuzhiyun	  You can compile this driver directly into the kernel, or use
1116*4882a593Smuzhiyun	  it as a module.  The module will be called geodewdt.
1117*4882a593Smuzhiyun
1118*4882a593Smuzhiyunconfig SC520_WDT
1119*4882a593Smuzhiyun	tristate "AMD Elan SC520 processor Watchdog"
1120*4882a593Smuzhiyun	depends on MELAN || COMPILE_TEST
1121*4882a593Smuzhiyun	help
1122*4882a593Smuzhiyun	  This is the driver for the hardware watchdog built in to the
1123*4882a593Smuzhiyun	  AMD "Elan" SC520 microcomputer commonly used in embedded systems.
1124*4882a593Smuzhiyun	  This watchdog simply watches your kernel to make sure it doesn't
1125*4882a593Smuzhiyun	  freeze, and if it does, it reboots your computer after a certain
1126*4882a593Smuzhiyun	  amount of time.
1127*4882a593Smuzhiyun
1128*4882a593Smuzhiyun	  You can compile this driver directly into the kernel, or use
1129*4882a593Smuzhiyun	  it as a module.  The module will be called sc520_wdt.
1130*4882a593Smuzhiyun
1131*4882a593Smuzhiyunconfig SBC_FITPC2_WATCHDOG
1132*4882a593Smuzhiyun	tristate "Compulab SBC-FITPC2 watchdog"
1133*4882a593Smuzhiyun	depends on X86
1134*4882a593Smuzhiyun	help
1135*4882a593Smuzhiyun	  This is the driver for the built-in watchdog timer on the fit-PC2,
1136*4882a593Smuzhiyun	  fit-PC2i, CM-iAM single-board computers made by Compulab.
1137*4882a593Smuzhiyun
1138*4882a593Smuzhiyun	  It`s possible to enable watchdog timer either from BIOS (F2) or from booted Linux.
1139*4882a593Smuzhiyun	  When "Watchdog Timer Value" enabled one can set 31-255 s operational range.
1140*4882a593Smuzhiyun
1141*4882a593Smuzhiyun	  Entering BIOS setup temporary disables watchdog operation regardless to current state,
1142*4882a593Smuzhiyun	  so system will not be restarted while user in BIOS setup.
1143*4882a593Smuzhiyun
1144*4882a593Smuzhiyun	  Once watchdog was enabled the system will be restarted every
1145*4882a593Smuzhiyun	  "Watchdog Timer Value" period, so to prevent it user can restart or
1146*4882a593Smuzhiyun	  disable the watchdog.
1147*4882a593Smuzhiyun
1148*4882a593Smuzhiyun	  To compile this driver as a module, choose M here: the
1149*4882a593Smuzhiyun	  module will be called sbc_fitpc2_wdt.
1150*4882a593Smuzhiyun
1151*4882a593Smuzhiyun	  Most people will say N.
1152*4882a593Smuzhiyun
1153*4882a593Smuzhiyunconfig EUROTECH_WDT
1154*4882a593Smuzhiyun	tristate "Eurotech CPU-1220/1410 Watchdog Timer"
1155*4882a593Smuzhiyun	depends on X86
1156*4882a593Smuzhiyun	help
1157*4882a593Smuzhiyun	  Enable support for the watchdog timer on the Eurotech CPU-1220 and
1158*4882a593Smuzhiyun	  CPU-1410 cards.  These are PC/104 SBCs. Spec sheets and product
1159*4882a593Smuzhiyun	  information are at <http://www.eurotech.it/>.
1160*4882a593Smuzhiyun
1161*4882a593Smuzhiyunconfig IB700_WDT
1162*4882a593Smuzhiyun	tristate "IB700 SBC Watchdog Timer"
1163*4882a593Smuzhiyun	depends on X86
1164*4882a593Smuzhiyun	help
1165*4882a593Smuzhiyun	  This is the driver for the hardware watchdog on the IB700 Single
1166*4882a593Smuzhiyun	  Board Computer produced by TMC Technology (www.tmc-uk.com). This watchdog
1167*4882a593Smuzhiyun	  simply watches your kernel to make sure it doesn't freeze, and if
1168*4882a593Smuzhiyun	  it does, it reboots your computer after a certain amount of time.
1169*4882a593Smuzhiyun
1170*4882a593Smuzhiyun	  This driver is like the WDT501 driver but for slightly different hardware.
1171*4882a593Smuzhiyun
1172*4882a593Smuzhiyun	  To compile this driver as a module, choose M here: the
1173*4882a593Smuzhiyun	  module will be called ib700wdt.
1174*4882a593Smuzhiyun
1175*4882a593Smuzhiyun	  Most people will say N.
1176*4882a593Smuzhiyun
1177*4882a593Smuzhiyunconfig IBMASR
1178*4882a593Smuzhiyun	tristate "IBM Automatic Server Restart"
1179*4882a593Smuzhiyun	depends on X86
1180*4882a593Smuzhiyun	help
1181*4882a593Smuzhiyun	  This is the driver for the IBM Automatic Server Restart watchdog
1182*4882a593Smuzhiyun	  timer built-in into some eServer xSeries machines.
1183*4882a593Smuzhiyun
1184*4882a593Smuzhiyun	  To compile this driver as a module, choose M here: the
1185*4882a593Smuzhiyun	  module will be called ibmasr.
1186*4882a593Smuzhiyun
1187*4882a593Smuzhiyunconfig WAFER_WDT
1188*4882a593Smuzhiyun	tristate "ICP Single Board Computer Watchdog Timer"
1189*4882a593Smuzhiyun	depends on X86
1190*4882a593Smuzhiyun	help
1191*4882a593Smuzhiyun	  This is a driver for the hardware watchdog on the ICP Single
1192*4882a593Smuzhiyun	  Board Computer. This driver is working on (at least) the following
1193*4882a593Smuzhiyun	  IPC SBC's: Wafer 5823, Rocky 4783, Rocky 3703 and Rocky 3782.
1194*4882a593Smuzhiyun
1195*4882a593Smuzhiyun	  To compile this driver as a module, choose M here: the
1196*4882a593Smuzhiyun	  module will be called wafer5823wdt.
1197*4882a593Smuzhiyun
1198*4882a593Smuzhiyunconfig I6300ESB_WDT
1199*4882a593Smuzhiyun	tristate "Intel 6300ESB Timer/Watchdog"
1200*4882a593Smuzhiyun	depends on PCI
1201*4882a593Smuzhiyun	select WATCHDOG_CORE
1202*4882a593Smuzhiyun	help
1203*4882a593Smuzhiyun	  Hardware driver for the watchdog timer built into the Intel
1204*4882a593Smuzhiyun	  6300ESB controller hub.
1205*4882a593Smuzhiyun
1206*4882a593Smuzhiyun	  To compile this driver as a module, choose M here: the
1207*4882a593Smuzhiyun	  module will be called i6300esb.
1208*4882a593Smuzhiyun
1209*4882a593Smuzhiyunconfig IE6XX_WDT
1210*4882a593Smuzhiyun	tristate "Intel Atom E6xx Watchdog"
1211*4882a593Smuzhiyun	depends on X86 && PCI
1212*4882a593Smuzhiyun	select WATCHDOG_CORE
1213*4882a593Smuzhiyun	select MFD_CORE
1214*4882a593Smuzhiyun	select LPC_SCH
1215*4882a593Smuzhiyun	help
1216*4882a593Smuzhiyun	  Hardware driver for the watchdog timer built into the Intel
1217*4882a593Smuzhiyun	  Atom E6XX (TunnelCreek) processor.
1218*4882a593Smuzhiyun
1219*4882a593Smuzhiyun	  To compile this driver as a module, choose M here: the
1220*4882a593Smuzhiyun	  module will be called ie6xx_wdt.
1221*4882a593Smuzhiyun
1222*4882a593Smuzhiyunconfig INTEL_SCU_WATCHDOG
1223*4882a593Smuzhiyun	bool "Intel SCU Watchdog for Mobile Platforms"
1224*4882a593Smuzhiyun	depends on X86_INTEL_MID
1225*4882a593Smuzhiyun	help
1226*4882a593Smuzhiyun	  Hardware driver for the watchdog time built into the Intel SCU
1227*4882a593Smuzhiyun	  for Intel Mobile Platforms.
1228*4882a593Smuzhiyun
1229*4882a593Smuzhiyun	  To compile this driver as a module, choose M here.
1230*4882a593Smuzhiyun
1231*4882a593Smuzhiyunconfig INTEL_MID_WATCHDOG
1232*4882a593Smuzhiyun	tristate "Intel MID Watchdog Timer"
1233*4882a593Smuzhiyun	depends on X86_INTEL_MID
1234*4882a593Smuzhiyun	select WATCHDOG_CORE
1235*4882a593Smuzhiyun	help
1236*4882a593Smuzhiyun	  Watchdog timer driver built into the Intel SCU for Intel MID
1237*4882a593Smuzhiyun	  Platforms.
1238*4882a593Smuzhiyun
1239*4882a593Smuzhiyun	  This driver currently supports only the watchdog evolution
1240*4882a593Smuzhiyun	  implementation in SCU, available for Merrifield generation.
1241*4882a593Smuzhiyun
1242*4882a593Smuzhiyun	  To compile this driver as a module, choose M here.
1243*4882a593Smuzhiyun
1244*4882a593Smuzhiyunconfig ITCO_WDT
1245*4882a593Smuzhiyun	tristate "Intel TCO Timer/Watchdog"
1246*4882a593Smuzhiyun	depends on (X86 || IA64) && PCI
1247*4882a593Smuzhiyun	select WATCHDOG_CORE
1248*4882a593Smuzhiyun	depends on I2C || I2C=n
1249*4882a593Smuzhiyun	depends on MFD_INTEL_PMC_BXT || !MFD_INTEL_PMC_BXT
1250*4882a593Smuzhiyun	select LPC_ICH if !EXPERT
1251*4882a593Smuzhiyun	select I2C_I801 if !EXPERT && I2C
1252*4882a593Smuzhiyun	help
1253*4882a593Smuzhiyun	  Hardware driver for the intel TCO timer based watchdog devices.
1254*4882a593Smuzhiyun	  These drivers are included in the Intel 82801 I/O Controller
1255*4882a593Smuzhiyun	  Hub family (from ICH0 up to ICH10) and in the Intel 63xxESB
1256*4882a593Smuzhiyun	  controller hub.
1257*4882a593Smuzhiyun
1258*4882a593Smuzhiyun	  The TCO (Total Cost of Ownership) timer is a watchdog timer
1259*4882a593Smuzhiyun	  that will reboot the machine after its second expiration. The
1260*4882a593Smuzhiyun	  expiration time can be configured with the "heartbeat" parameter.
1261*4882a593Smuzhiyun
1262*4882a593Smuzhiyun	  On some motherboards the driver may fail to reset the chipset's
1263*4882a593Smuzhiyun	  NO_REBOOT flag which prevents the watchdog from rebooting the
1264*4882a593Smuzhiyun	  machine. If this is the case you will get a kernel message like
1265*4882a593Smuzhiyun	  "failed to reset NO_REBOOT flag, reboot disabled by hardware".
1266*4882a593Smuzhiyun
1267*4882a593Smuzhiyun	  To compile this driver as a module, choose M here: the
1268*4882a593Smuzhiyun	  module will be called iTCO_wdt.
1269*4882a593Smuzhiyun
1270*4882a593Smuzhiyunconfig ITCO_VENDOR_SUPPORT
1271*4882a593Smuzhiyun	bool "Intel TCO Timer/Watchdog Specific Vendor Support"
1272*4882a593Smuzhiyun	depends on ITCO_WDT
1273*4882a593Smuzhiyun	help
1274*4882a593Smuzhiyun	  Add vendor specific support to the intel TCO timer based watchdog
1275*4882a593Smuzhiyun	  devices. At this moment we only have additional support for some
1276*4882a593Smuzhiyun	  SuperMicro Inc. motherboards.
1277*4882a593Smuzhiyun
1278*4882a593Smuzhiyunconfig IT8712F_WDT
1279*4882a593Smuzhiyun	tristate "IT8712F (Smart Guardian) Watchdog Timer"
1280*4882a593Smuzhiyun	depends on X86
1281*4882a593Smuzhiyun	help
1282*4882a593Smuzhiyun	  This is the driver for the built-in watchdog timer on the IT8712F
1283*4882a593Smuzhiyun	  Super I/0 chipset used on many motherboards.
1284*4882a593Smuzhiyun
1285*4882a593Smuzhiyun	  If the driver does not work, then make sure that the game port in
1286*4882a593Smuzhiyun	  the BIOS is enabled.
1287*4882a593Smuzhiyun
1288*4882a593Smuzhiyun	  To compile this driver as a module, choose M here: the
1289*4882a593Smuzhiyun	  module will be called it8712f_wdt.
1290*4882a593Smuzhiyun
1291*4882a593Smuzhiyunconfig IT87_WDT
1292*4882a593Smuzhiyun	tristate "IT87 Watchdog Timer"
1293*4882a593Smuzhiyun	depends on X86
1294*4882a593Smuzhiyun	select WATCHDOG_CORE
1295*4882a593Smuzhiyun	help
1296*4882a593Smuzhiyun	  This is the driver for the hardware watchdog on the ITE IT8607,
1297*4882a593Smuzhiyun	  IT8620, IT8622, IT8625, IT8628, IT8655, IT8665, IT8686, IT8702,
1298*4882a593Smuzhiyun	  IT8712, IT8716, IT8718, IT8720, IT8721, IT8726, IT8728, and
1299*4882a593Smuzhiyun	  IT8783 Super I/O chips.
1300*4882a593Smuzhiyun
1301*4882a593Smuzhiyun	  This watchdog simply watches your kernel to make sure it doesn't
1302*4882a593Smuzhiyun	  freeze, and if it does, it reboots your computer after a certain
1303*4882a593Smuzhiyun	  amount of time.
1304*4882a593Smuzhiyun
1305*4882a593Smuzhiyun	  To compile this driver as a module, choose M here: the module will
1306*4882a593Smuzhiyun	  be called it87_wdt.
1307*4882a593Smuzhiyun
1308*4882a593Smuzhiyunconfig HP_WATCHDOG
1309*4882a593Smuzhiyun	tristate "HP ProLiant iLO2+ Hardware Watchdog Timer"
1310*4882a593Smuzhiyun	select WATCHDOG_CORE
1311*4882a593Smuzhiyun	depends on X86 && PCI
1312*4882a593Smuzhiyun	help
1313*4882a593Smuzhiyun	  A software monitoring watchdog and NMI handling driver. This driver
1314*4882a593Smuzhiyun	  will detect lockups and provide a stack trace. This is a driver that
1315*4882a593Smuzhiyun	  will only load on an HP ProLiant system with a minimum of iLO2 support.
1316*4882a593Smuzhiyun	  To compile this driver as a module, choose M here: the module will be
1317*4882a593Smuzhiyun	  called hpwdt.
1318*4882a593Smuzhiyun
1319*4882a593Smuzhiyunconfig HPWDT_NMI_DECODING
1320*4882a593Smuzhiyun	bool "NMI support for the HP ProLiant iLO2+ Hardware Watchdog Timer"
1321*4882a593Smuzhiyun	depends on HP_WATCHDOG
1322*4882a593Smuzhiyun	default y
1323*4882a593Smuzhiyun	help
1324*4882a593Smuzhiyun	  Enables the NMI handler for the watchdog pretimeout NMI and the iLO
1325*4882a593Smuzhiyun	  "Generate NMI to System" virtual button.  When an NMI is claimed
1326*4882a593Smuzhiyun	  by the driver, panic is called.
1327*4882a593Smuzhiyun
1328*4882a593Smuzhiyunconfig KEMPLD_WDT
1329*4882a593Smuzhiyun	tristate "Kontron COM Watchdog Timer"
1330*4882a593Smuzhiyun	depends on MFD_KEMPLD
1331*4882a593Smuzhiyun	select WATCHDOG_CORE
1332*4882a593Smuzhiyun	help
1333*4882a593Smuzhiyun	  Support for the PLD watchdog on some Kontron ETX and COMexpress
1334*4882a593Smuzhiyun	  (ETXexpress) modules
1335*4882a593Smuzhiyun
1336*4882a593Smuzhiyun	  This driver can also be built as a module. If so, the module will be
1337*4882a593Smuzhiyun	  called kempld_wdt.
1338*4882a593Smuzhiyun
1339*4882a593Smuzhiyunconfig SC1200_WDT
1340*4882a593Smuzhiyun	tristate "National Semiconductor PC87307/PC97307 (ala SC1200) Watchdog"
1341*4882a593Smuzhiyun	depends on X86
1342*4882a593Smuzhiyun	help
1343*4882a593Smuzhiyun	  This is a driver for National Semiconductor PC87307/PC97307 hardware
1344*4882a593Smuzhiyun	  watchdog cards as found on the SC1200. This watchdog is mainly used
1345*4882a593Smuzhiyun	  for power management purposes and can be used to power down the device
1346*4882a593Smuzhiyun	  during inactivity periods (includes interrupt activity monitoring).
1347*4882a593Smuzhiyun
1348*4882a593Smuzhiyun	  To compile this driver as a module, choose M here: the
1349*4882a593Smuzhiyun	  module will be called sc1200wdt.
1350*4882a593Smuzhiyun
1351*4882a593Smuzhiyun	  Most people will say N.
1352*4882a593Smuzhiyun
1353*4882a593Smuzhiyunconfig SCx200_WDT
1354*4882a593Smuzhiyun	tristate "National Semiconductor SCx200 Watchdog"
1355*4882a593Smuzhiyun	depends on SCx200 && PCI
1356*4882a593Smuzhiyun	help
1357*4882a593Smuzhiyun	  Enable the built-in watchdog timer support on the National
1358*4882a593Smuzhiyun	  Semiconductor SCx200 processors.
1359*4882a593Smuzhiyun
1360*4882a593Smuzhiyun	  If compiled as a module, it will be called scx200_wdt.
1361*4882a593Smuzhiyun
1362*4882a593Smuzhiyunconfig PC87413_WDT
1363*4882a593Smuzhiyun	tristate "NS PC87413 watchdog"
1364*4882a593Smuzhiyun	depends on X86
1365*4882a593Smuzhiyun	help
1366*4882a593Smuzhiyun	  This is the driver for the hardware watchdog on the PC87413 chipset
1367*4882a593Smuzhiyun	  This watchdog simply watches your kernel to make sure it doesn't
1368*4882a593Smuzhiyun	  freeze, and if it does, it reboots your computer after a certain
1369*4882a593Smuzhiyun	  amount of time.
1370*4882a593Smuzhiyun
1371*4882a593Smuzhiyun	  To compile this driver as a module, choose M here: the
1372*4882a593Smuzhiyun	  module will be called pc87413_wdt.
1373*4882a593Smuzhiyun
1374*4882a593Smuzhiyun	  Most people will say N.
1375*4882a593Smuzhiyun
1376*4882a593Smuzhiyunconfig NV_TCO
1377*4882a593Smuzhiyun	tristate "nVidia TCO Timer/Watchdog"
1378*4882a593Smuzhiyun	depends on X86 && PCI
1379*4882a593Smuzhiyun	help
1380*4882a593Smuzhiyun	  Hardware driver for the TCO timer built into the nVidia Hub family
1381*4882a593Smuzhiyun	  (such as the MCP51).  The TCO (Total Cost of Ownership) timer is a
1382*4882a593Smuzhiyun	  watchdog timer that will reboot the machine after its second
1383*4882a593Smuzhiyun	  expiration. The expiration time can be configured with the
1384*4882a593Smuzhiyun	  "heartbeat" parameter.
1385*4882a593Smuzhiyun
1386*4882a593Smuzhiyun	  On some motherboards the driver may fail to reset the chipset's
1387*4882a593Smuzhiyun	  NO_REBOOT flag which prevents the watchdog from rebooting the
1388*4882a593Smuzhiyun	  machine. If this is the case you will get a kernel message like
1389*4882a593Smuzhiyun	  "failed to reset NO_REBOOT flag, reboot disabled by hardware".
1390*4882a593Smuzhiyun
1391*4882a593Smuzhiyun	  To compile this driver as a module, choose M here: the
1392*4882a593Smuzhiyun	  module will be called nv_tco.
1393*4882a593Smuzhiyun
1394*4882a593Smuzhiyunconfig RDC321X_WDT
1395*4882a593Smuzhiyun	tristate "RDC R-321x SoC watchdog"
1396*4882a593Smuzhiyun	depends on X86_RDC321X || COMPILE_TEST
1397*4882a593Smuzhiyun	depends on PCI
1398*4882a593Smuzhiyun	help
1399*4882a593Smuzhiyun	  This is the driver for the built in hardware watchdog
1400*4882a593Smuzhiyun	  in the RDC R-321x SoC.
1401*4882a593Smuzhiyun
1402*4882a593Smuzhiyun	  To compile this driver as a module, choose M here: the
1403*4882a593Smuzhiyun	  module will be called rdc321x_wdt.
1404*4882a593Smuzhiyun
1405*4882a593Smuzhiyunconfig 60XX_WDT
1406*4882a593Smuzhiyun	tristate "SBC-60XX Watchdog Timer"
1407*4882a593Smuzhiyun	depends on X86
1408*4882a593Smuzhiyun	help
1409*4882a593Smuzhiyun	  This driver can be used with the watchdog timer found on some
1410*4882a593Smuzhiyun	  single board computers, namely the 6010 PII based computer.
1411*4882a593Smuzhiyun	  It may well work with other cards.  It reads port 0x443 to enable
1412*4882a593Smuzhiyun	  and re-set the watchdog timer, and reads port 0x45 to disable
1413*4882a593Smuzhiyun	  the watchdog.  If you have a card that behave in similar ways,
1414*4882a593Smuzhiyun	  you can probably make this driver work with your card as well.
1415*4882a593Smuzhiyun
1416*4882a593Smuzhiyun	  You can compile this driver directly into the kernel, or use
1417*4882a593Smuzhiyun	  it as a module.  The module will be called sbc60xxwdt.
1418*4882a593Smuzhiyun
1419*4882a593Smuzhiyunconfig SBC8360_WDT
1420*4882a593Smuzhiyun	tristate "SBC8360 Watchdog Timer"
1421*4882a593Smuzhiyun	depends on X86_32
1422*4882a593Smuzhiyun	help
1423*4882a593Smuzhiyun
1424*4882a593Smuzhiyun	  This is the driver for the hardware watchdog on the SBC8360 Single
1425*4882a593Smuzhiyun	  Board Computer produced by Axiomtek Co., Ltd. (www.axiomtek.com).
1426*4882a593Smuzhiyun
1427*4882a593Smuzhiyun	  To compile this driver as a module, choose M here: the
1428*4882a593Smuzhiyun	  module will be called sbc8360.
1429*4882a593Smuzhiyun
1430*4882a593Smuzhiyun	  Most people will say N.
1431*4882a593Smuzhiyun
1432*4882a593Smuzhiyunconfig SBC7240_WDT
1433*4882a593Smuzhiyun	tristate "SBC Nano 7240 Watchdog Timer"
1434*4882a593Smuzhiyun	depends on X86_32 && !UML
1435*4882a593Smuzhiyun	help
1436*4882a593Smuzhiyun	  This is the driver for the hardware watchdog found on the IEI
1437*4882a593Smuzhiyun	  single board computers EPIC Nano 7240 (and likely others). This
1438*4882a593Smuzhiyun	  watchdog simply watches your kernel to make sure it doesn't freeze,
1439*4882a593Smuzhiyun	  and if it does, it reboots your computer after a certain amount of
1440*4882a593Smuzhiyun	  time.
1441*4882a593Smuzhiyun
1442*4882a593Smuzhiyun	  To compile this driver as a module, choose M here: the
1443*4882a593Smuzhiyun	  module will be called sbc7240_wdt.
1444*4882a593Smuzhiyun
1445*4882a593Smuzhiyunconfig CPU5_WDT
1446*4882a593Smuzhiyun	tristate "SMA CPU5 Watchdog"
1447*4882a593Smuzhiyun	depends on X86
1448*4882a593Smuzhiyun	help
1449*4882a593Smuzhiyun	  TBD.
1450*4882a593Smuzhiyun	  To compile this driver as a module, choose M here: the
1451*4882a593Smuzhiyun	  module will be called cpu5wdt.
1452*4882a593Smuzhiyun
1453*4882a593Smuzhiyunconfig SMSC_SCH311X_WDT
1454*4882a593Smuzhiyun	tristate "SMSC SCH311X Watchdog Timer"
1455*4882a593Smuzhiyun	depends on X86
1456*4882a593Smuzhiyun	help
1457*4882a593Smuzhiyun	  This is the driver for the hardware watchdog timer on the
1458*4882a593Smuzhiyun	  SMSC SCH3112, SCH3114 and SCH3116 Super IO chipset
1459*4882a593Smuzhiyun	  (LPC IO with 8042 KBC, Reset Generation, HWM and multiple
1460*4882a593Smuzhiyun	  serial ports).
1461*4882a593Smuzhiyun
1462*4882a593Smuzhiyun	  To compile this driver as a module, choose M here: the
1463*4882a593Smuzhiyun	  module will be called sch311x_wdt.
1464*4882a593Smuzhiyun
1465*4882a593Smuzhiyunconfig SMSC37B787_WDT
1466*4882a593Smuzhiyun	tristate "Winbond SMsC37B787 Watchdog Timer"
1467*4882a593Smuzhiyun	depends on X86
1468*4882a593Smuzhiyun	help
1469*4882a593Smuzhiyun	  This is the driver for the hardware watchdog component on the
1470*4882a593Smuzhiyun	  Winbond SMsC37B787 chipset as used on the NetRunner Mainboard
1471*4882a593Smuzhiyun	  from Vision Systems and maybe others.
1472*4882a593Smuzhiyun
1473*4882a593Smuzhiyun	  This watchdog simply watches your kernel to make sure it doesn't
1474*4882a593Smuzhiyun	  freeze, and if it does, it reboots your computer after a certain
1475*4882a593Smuzhiyun	  amount of time.
1476*4882a593Smuzhiyun
1477*4882a593Smuzhiyun	  Usually a userspace daemon will notify the kernel WDT driver that
1478*4882a593Smuzhiyun	  userspace is still alive, at regular intervals.
1479*4882a593Smuzhiyun
1480*4882a593Smuzhiyun	  To compile this driver as a module, choose M here: the
1481*4882a593Smuzhiyun	  module will be called smsc37b787_wdt.
1482*4882a593Smuzhiyun
1483*4882a593Smuzhiyun	  Most people will say N.
1484*4882a593Smuzhiyun
1485*4882a593Smuzhiyunconfig TQMX86_WDT
1486*4882a593Smuzhiyun	tristate "TQ-Systems TQMX86 Watchdog Timer"
1487*4882a593Smuzhiyun	depends on X86
1488*4882a593Smuzhiyun	select WATCHDOG_CORE
1489*4882a593Smuzhiyun	help
1490*4882a593Smuzhiyun	This is the driver for the hardware watchdog timer in the TQMX86 IO
1491*4882a593Smuzhiyun	controller found on some of their ComExpress Modules.
1492*4882a593Smuzhiyun
1493*4882a593Smuzhiyun	To compile this driver as a module, choose M here; the module
1494*4882a593Smuzhiyun	will be called tqmx86_wdt.
1495*4882a593Smuzhiyun
1496*4882a593Smuzhiyun	Most people will say N.
1497*4882a593Smuzhiyun
1498*4882a593Smuzhiyunconfig VIA_WDT
1499*4882a593Smuzhiyun	tristate "VIA Watchdog Timer"
1500*4882a593Smuzhiyun	depends on X86 && PCI
1501*4882a593Smuzhiyun	select WATCHDOG_CORE
1502*4882a593Smuzhiyun	help
1503*4882a593Smuzhiyun	This is the driver for the hardware watchdog timer on VIA
1504*4882a593Smuzhiyun	southbridge chipset CX700, VX800/VX820 or VX855/VX875.
1505*4882a593Smuzhiyun
1506*4882a593Smuzhiyun	To compile this driver as a module, choose M here; the module
1507*4882a593Smuzhiyun	will be called via_wdt.
1508*4882a593Smuzhiyun
1509*4882a593Smuzhiyun	Most people will say N.
1510*4882a593Smuzhiyun
1511*4882a593Smuzhiyunconfig W83627HF_WDT
1512*4882a593Smuzhiyun	tristate "Watchdog timer for W83627HF/W83627DHG and compatibles"
1513*4882a593Smuzhiyun	depends on X86
1514*4882a593Smuzhiyun	select WATCHDOG_CORE
1515*4882a593Smuzhiyun	help
1516*4882a593Smuzhiyun	  This is the driver for the hardware watchdog on the following
1517*4882a593Smuzhiyun	  Super I/O chips.
1518*4882a593Smuzhiyun		W83627DHG/DHG-P/EHF/EHG/F/G/HF/S/SF/THF/UHG/UG
1519*4882a593Smuzhiyun		W83637HF
1520*4882a593Smuzhiyun		W83667HG/HG-B
1521*4882a593Smuzhiyun		W83687THF
1522*4882a593Smuzhiyun		W83697HF
1523*4882a593Smuzhiyun		W83697UG
1524*4882a593Smuzhiyun		NCT6775
1525*4882a593Smuzhiyun		NCT6776
1526*4882a593Smuzhiyun		NCT6779
1527*4882a593Smuzhiyun		NCT6791
1528*4882a593Smuzhiyun		NCT6792
1529*4882a593Smuzhiyun		NCT6102D/04D/06D
1530*4882a593Smuzhiyun		NCT6116D
1531*4882a593Smuzhiyun
1532*4882a593Smuzhiyun	  This watchdog simply watches your kernel to make sure it doesn't
1533*4882a593Smuzhiyun	  freeze, and if it does, it reboots your computer after a certain
1534*4882a593Smuzhiyun	  amount of time.
1535*4882a593Smuzhiyun
1536*4882a593Smuzhiyun	  To compile this driver as a module, choose M here: the
1537*4882a593Smuzhiyun	  module will be called w83627hf_wdt.
1538*4882a593Smuzhiyun
1539*4882a593Smuzhiyun	  Most people will say N.
1540*4882a593Smuzhiyun
1541*4882a593Smuzhiyunconfig W83877F_WDT
1542*4882a593Smuzhiyun	tristate "W83877F (EMACS) Watchdog Timer"
1543*4882a593Smuzhiyun	depends on X86
1544*4882a593Smuzhiyun	help
1545*4882a593Smuzhiyun	  This is the driver for the hardware watchdog on the W83877F chipset
1546*4882a593Smuzhiyun	  as used in EMACS PC-104 motherboards (and likely others).  This
1547*4882a593Smuzhiyun	  watchdog simply watches your kernel to make sure it doesn't freeze,
1548*4882a593Smuzhiyun	  and if it does, it reboots your computer after a certain amount of
1549*4882a593Smuzhiyun	  time.
1550*4882a593Smuzhiyun
1551*4882a593Smuzhiyun	  To compile this driver as a module, choose M here: the
1552*4882a593Smuzhiyun	  module will be called w83877f_wdt.
1553*4882a593Smuzhiyun
1554*4882a593Smuzhiyun	  Most people will say N.
1555*4882a593Smuzhiyun
1556*4882a593Smuzhiyunconfig W83977F_WDT
1557*4882a593Smuzhiyun	tristate "W83977F (PCM-5335) Watchdog Timer"
1558*4882a593Smuzhiyun	depends on X86
1559*4882a593Smuzhiyun	help
1560*4882a593Smuzhiyun	  This is the driver for the hardware watchdog on the W83977F I/O chip
1561*4882a593Smuzhiyun	  as used in AAEON's PCM-5335 SBC (and likely others).  This
1562*4882a593Smuzhiyun	  watchdog simply watches your kernel to make sure it doesn't freeze,
1563*4882a593Smuzhiyun	  and if it does, it reboots your computer after a certain amount of
1564*4882a593Smuzhiyun	  time.
1565*4882a593Smuzhiyun
1566*4882a593Smuzhiyun	  To compile this driver as a module, choose M here: the
1567*4882a593Smuzhiyun	  module will be called w83977f_wdt.
1568*4882a593Smuzhiyun
1569*4882a593Smuzhiyunconfig MACHZ_WDT
1570*4882a593Smuzhiyun	tristate "ZF MachZ Watchdog"
1571*4882a593Smuzhiyun	depends on X86
1572*4882a593Smuzhiyun	help
1573*4882a593Smuzhiyun	  If you are using a ZF Micro MachZ processor, say Y here, otherwise
1574*4882a593Smuzhiyun	  N.  This is the driver for the watchdog timer built-in on that
1575*4882a593Smuzhiyun	  processor using ZF-Logic interface.  This watchdog simply watches
1576*4882a593Smuzhiyun	  your kernel to make sure it doesn't freeze, and if it does, it
1577*4882a593Smuzhiyun	  reboots your computer after a certain amount of time.
1578*4882a593Smuzhiyun
1579*4882a593Smuzhiyun	  To compile this driver as a module, choose M here: the
1580*4882a593Smuzhiyun	  module will be called machzwd.
1581*4882a593Smuzhiyun
1582*4882a593Smuzhiyunconfig SBC_EPX_C3_WATCHDOG
1583*4882a593Smuzhiyun	tristate "Winsystems SBC EPX-C3 watchdog"
1584*4882a593Smuzhiyun	depends on X86
1585*4882a593Smuzhiyun	help
1586*4882a593Smuzhiyun	  This is the driver for the built-in watchdog timer on the EPX-C3
1587*4882a593Smuzhiyun	  Single-board computer made by Winsystems, Inc.
1588*4882a593Smuzhiyun
1589*4882a593Smuzhiyun	  *Note*: This hardware watchdog is not probeable and thus there
1590*4882a593Smuzhiyun	  is no way to know if writing to its IO address will corrupt
1591*4882a593Smuzhiyun	  your system or have any real effect.  The only way to be sure
1592*4882a593Smuzhiyun	  that this driver does what you want is to make sure you
1593*4882a593Smuzhiyun	  are running it on an EPX-C3 from Winsystems with the watchdog
1594*4882a593Smuzhiyun	  timer at IO address 0x1ee and 0x1ef.  It will write to both those
1595*4882a593Smuzhiyun	  IO ports.  Basically, the assumption is made that if you compile
1596*4882a593Smuzhiyun	  this driver into your kernel and/or load it as a module, that you
1597*4882a593Smuzhiyun	  know what you are doing and that you are in fact running on an
1598*4882a593Smuzhiyun	  EPX-C3 board!
1599*4882a593Smuzhiyun
1600*4882a593Smuzhiyun	  To compile this driver as a module, choose M here: the
1601*4882a593Smuzhiyun	  module will be called sbc_epx_c3.
1602*4882a593Smuzhiyun
1603*4882a593Smuzhiyunconfig INTEL_MEI_WDT
1604*4882a593Smuzhiyun	tristate "Intel MEI iAMT Watchdog"
1605*4882a593Smuzhiyun	depends on INTEL_MEI && X86
1606*4882a593Smuzhiyun	select WATCHDOG_CORE
1607*4882a593Smuzhiyun	help
1608*4882a593Smuzhiyun	  A device driver for the Intel MEI iAMT watchdog.
1609*4882a593Smuzhiyun
1610*4882a593Smuzhiyun	  The Intel AMT Watchdog is an OS Health (Hang/Crash) watchdog.
1611*4882a593Smuzhiyun	  Whenever the OS hangs or crashes, iAMT will send an event
1612*4882a593Smuzhiyun	  to any subscriber to this event. The watchdog doesn't reset the
1613*4882a593Smuzhiyun	  the platform.
1614*4882a593Smuzhiyun
1615*4882a593Smuzhiyun	  To compile this driver as a module, choose M here:
1616*4882a593Smuzhiyun	  the module will be called mei_wdt.
1617*4882a593Smuzhiyun
1618*4882a593Smuzhiyunconfig NI903X_WDT
1619*4882a593Smuzhiyun	tristate "NI 903x/913x Watchdog"
1620*4882a593Smuzhiyun	depends on X86 && ACPI
1621*4882a593Smuzhiyun	select WATCHDOG_CORE
1622*4882a593Smuzhiyun	help
1623*4882a593Smuzhiyun	  This is the driver for the watchdog timer on the National Instruments
1624*4882a593Smuzhiyun	  903x/913x real-time controllers.
1625*4882a593Smuzhiyun
1626*4882a593Smuzhiyun	  To compile this driver as a module, choose M here: the module will be
1627*4882a593Smuzhiyun	  called ni903x_wdt.
1628*4882a593Smuzhiyun
1629*4882a593Smuzhiyunconfig NIC7018_WDT
1630*4882a593Smuzhiyun	tristate "NIC7018 Watchdog"
1631*4882a593Smuzhiyun	depends on X86 && ACPI
1632*4882a593Smuzhiyun	select WATCHDOG_CORE
1633*4882a593Smuzhiyun	help
1634*4882a593Smuzhiyun	  Support for National Instruments NIC7018 Watchdog.
1635*4882a593Smuzhiyun
1636*4882a593Smuzhiyun	  To compile this driver as a module, choose M here: the module will be
1637*4882a593Smuzhiyun	  called nic7018_wdt.
1638*4882a593Smuzhiyun
1639*4882a593Smuzhiyun# M68K Architecture
1640*4882a593Smuzhiyun
1641*4882a593Smuzhiyunconfig M54xx_WATCHDOG
1642*4882a593Smuzhiyun	tristate "MCF54xx watchdog support"
1643*4882a593Smuzhiyun	depends on M548x
1644*4882a593Smuzhiyun	help
1645*4882a593Smuzhiyun	  To compile this driver as a module, choose M here: the
1646*4882a593Smuzhiyun	  module will be called m54xx_wdt.
1647*4882a593Smuzhiyun
1648*4882a593Smuzhiyun# MicroBlaze Architecture
1649*4882a593Smuzhiyun
1650*4882a593Smuzhiyun# MIPS Architecture
1651*4882a593Smuzhiyun
1652*4882a593Smuzhiyunconfig ATH79_WDT
1653*4882a593Smuzhiyun	tristate "Atheros AR71XX/AR724X/AR913X hardware watchdog"
1654*4882a593Smuzhiyun	depends on ATH79 || (ARM && COMPILE_TEST)
1655*4882a593Smuzhiyun	help
1656*4882a593Smuzhiyun	  Hardware driver for the built-in watchdog timer on the Atheros
1657*4882a593Smuzhiyun	  AR71XX/AR724X/AR913X SoCs.
1658*4882a593Smuzhiyun
1659*4882a593Smuzhiyunconfig BCM47XX_WDT
1660*4882a593Smuzhiyun	tristate "Broadcom BCM47xx Watchdog Timer"
1661*4882a593Smuzhiyun	depends on BCM47XX || ARCH_BCM_5301X || COMPILE_TEST
1662*4882a593Smuzhiyun	select WATCHDOG_CORE
1663*4882a593Smuzhiyun	help
1664*4882a593Smuzhiyun	  Hardware driver for the Broadcom BCM47xx Watchdog Timer.
1665*4882a593Smuzhiyun
1666*4882a593Smuzhiyunconfig RC32434_WDT
1667*4882a593Smuzhiyun	tristate "IDT RC32434 SoC Watchdog Timer"
1668*4882a593Smuzhiyun	depends on MIKROTIK_RB532
1669*4882a593Smuzhiyun	help
1670*4882a593Smuzhiyun	  Hardware driver for the IDT RC32434 SoC built-in
1671*4882a593Smuzhiyun	  watchdog timer.
1672*4882a593Smuzhiyun
1673*4882a593Smuzhiyun	  To compile this driver as a module, choose M here: the
1674*4882a593Smuzhiyun	  module will be called rc32434_wdt.
1675*4882a593Smuzhiyun
1676*4882a593Smuzhiyunconfig INDYDOG
1677*4882a593Smuzhiyun	tristate "Indy/I2 Hardware Watchdog"
1678*4882a593Smuzhiyun	depends on SGI_HAS_INDYDOG
1679*4882a593Smuzhiyun	help
1680*4882a593Smuzhiyun	  Hardware driver for the Indy's/I2's watchdog. This is a
1681*4882a593Smuzhiyun	  watchdog timer that will reboot the machine after a 60 second
1682*4882a593Smuzhiyun	  timer expired and no process has written to /dev/watchdog during
1683*4882a593Smuzhiyun	  that time.
1684*4882a593Smuzhiyun
1685*4882a593Smuzhiyunconfig JZ4740_WDT
1686*4882a593Smuzhiyun	tristate "Ingenic jz4740 SoC hardware watchdog"
1687*4882a593Smuzhiyun	depends on MIPS
1688*4882a593Smuzhiyun	depends on COMMON_CLK
1689*4882a593Smuzhiyun	select WATCHDOG_CORE
1690*4882a593Smuzhiyun	select MFD_SYSCON
1691*4882a593Smuzhiyun	help
1692*4882a593Smuzhiyun	  Hardware driver for the built-in watchdog timer on Ingenic jz4740 SoCs.
1693*4882a593Smuzhiyun
1694*4882a593Smuzhiyunconfig WDT_MTX1
1695*4882a593Smuzhiyun	tristate "MTX-1 Hardware Watchdog"
1696*4882a593Smuzhiyun	depends on MIPS_MTX1 || (MIPS && COMPILE_TEST)
1697*4882a593Smuzhiyun	help
1698*4882a593Smuzhiyun	  Hardware driver for the MTX-1 boards. This is a watchdog timer that
1699*4882a593Smuzhiyun	  will reboot the machine after a 100 seconds timer expired.
1700*4882a593Smuzhiyun
1701*4882a593Smuzhiyunconfig PNX833X_WDT
1702*4882a593Smuzhiyun	tristate "PNX833x Hardware Watchdog"
1703*4882a593Smuzhiyun	depends on SOC_PNX8335
1704*4882a593Smuzhiyun	depends on BROKEN
1705*4882a593Smuzhiyun	help
1706*4882a593Smuzhiyun	  Hardware driver for the PNX833x's watchdog. This is a
1707*4882a593Smuzhiyun	  watchdog timer that will reboot the machine after a programmable
1708*4882a593Smuzhiyun	  timer has expired and no process has written to /dev/watchdog during
1709*4882a593Smuzhiyun	  that time.
1710*4882a593Smuzhiyun
1711*4882a593Smuzhiyunconfig SIBYTE_WDOG
1712*4882a593Smuzhiyun	tristate "Sibyte SoC hardware watchdog"
1713*4882a593Smuzhiyun	depends on CPU_SB1 || (MIPS && COMPILE_TEST)
1714*4882a593Smuzhiyun	help
1715*4882a593Smuzhiyun	  Watchdog driver for the built in watchdog hardware in Sibyte
1716*4882a593Smuzhiyun	  SoC processors.  There are apparently two watchdog timers
1717*4882a593Smuzhiyun	  on such processors; this driver supports only the first one,
1718*4882a593Smuzhiyun	  because currently Linux only supports exporting one watchdog
1719*4882a593Smuzhiyun	  to userspace.
1720*4882a593Smuzhiyun
1721*4882a593Smuzhiyun	  To compile this driver as a loadable module, choose M here.
1722*4882a593Smuzhiyun	  The module will be called sb_wdog.
1723*4882a593Smuzhiyun
1724*4882a593Smuzhiyunconfig AR7_WDT
1725*4882a593Smuzhiyun	tristate "TI AR7 Watchdog Timer"
1726*4882a593Smuzhiyun	depends on AR7 || (MIPS && 32BIT && COMPILE_TEST)
1727*4882a593Smuzhiyun	help
1728*4882a593Smuzhiyun	  Hardware driver for the TI AR7 Watchdog Timer.
1729*4882a593Smuzhiyun
1730*4882a593Smuzhiyunconfig TXX9_WDT
1731*4882a593Smuzhiyun	tristate "Toshiba TXx9 Watchdog Timer"
1732*4882a593Smuzhiyun	depends on CPU_TX39XX || CPU_TX49XX || (MIPS && COMPILE_TEST)
1733*4882a593Smuzhiyun	select WATCHDOG_CORE
1734*4882a593Smuzhiyun	help
1735*4882a593Smuzhiyun	  Hardware driver for the built-in watchdog timer on TXx9 MIPS SoCs.
1736*4882a593Smuzhiyun
1737*4882a593Smuzhiyunconfig OCTEON_WDT
1738*4882a593Smuzhiyun	tristate "Cavium OCTEON SOC family Watchdog Timer"
1739*4882a593Smuzhiyun	depends on CAVIUM_OCTEON_SOC
1740*4882a593Smuzhiyun	default y
1741*4882a593Smuzhiyun	select WATCHDOG_CORE
1742*4882a593Smuzhiyun	select EXPORT_UASM if OCTEON_WDT = m
1743*4882a593Smuzhiyun	help
1744*4882a593Smuzhiyun	  Hardware driver for OCTEON's on chip watchdog timer.
1745*4882a593Smuzhiyun	  Enables the watchdog for all cores running Linux. It
1746*4882a593Smuzhiyun	  installs a NMI handler and pokes the watchdog based on an
1747*4882a593Smuzhiyun	  interrupt.  On first expiration of the watchdog, the
1748*4882a593Smuzhiyun	  interrupt handler pokes it.  The second expiration causes an
1749*4882a593Smuzhiyun	  NMI that prints a message. The third expiration causes a
1750*4882a593Smuzhiyun	  global soft reset.
1751*4882a593Smuzhiyun
1752*4882a593Smuzhiyun	  When userspace has /dev/watchdog open, no poking is done
1753*4882a593Smuzhiyun	  from the first interrupt, it is then only poked when the
1754*4882a593Smuzhiyun	  device is written.
1755*4882a593Smuzhiyun
1756*4882a593Smuzhiyunconfig BCM63XX_WDT
1757*4882a593Smuzhiyun	tristate "Broadcom BCM63xx hardware watchdog"
1758*4882a593Smuzhiyun	depends on BCM63XX
1759*4882a593Smuzhiyun	help
1760*4882a593Smuzhiyun	  Watchdog driver for the built in watchdog hardware in Broadcom
1761*4882a593Smuzhiyun	  BCM63xx SoC.
1762*4882a593Smuzhiyun
1763*4882a593Smuzhiyun	  To compile this driver as a loadable module, choose M here.
1764*4882a593Smuzhiyun	  The module will be called bcm63xx_wdt.
1765*4882a593Smuzhiyun
1766*4882a593Smuzhiyunconfig BCM2835_WDT
1767*4882a593Smuzhiyun	tristate "Broadcom BCM2835 hardware watchdog"
1768*4882a593Smuzhiyun	depends on ARCH_BCM2835 || (OF && COMPILE_TEST)
1769*4882a593Smuzhiyun	select WATCHDOG_CORE
1770*4882a593Smuzhiyun	help
1771*4882a593Smuzhiyun	  Watchdog driver for the built in watchdog hardware in Broadcom
1772*4882a593Smuzhiyun	  BCM2835 SoC.
1773*4882a593Smuzhiyun
1774*4882a593Smuzhiyun	  To compile this driver as a loadable module, choose M here.
1775*4882a593Smuzhiyun	  The module will be called bcm2835_wdt.
1776*4882a593Smuzhiyun
1777*4882a593Smuzhiyunconfig BCM_KONA_WDT
1778*4882a593Smuzhiyun	tristate "BCM Kona Watchdog"
1779*4882a593Smuzhiyun	depends on ARCH_BCM_MOBILE || COMPILE_TEST
1780*4882a593Smuzhiyun	select WATCHDOG_CORE
1781*4882a593Smuzhiyun	help
1782*4882a593Smuzhiyun	  Support for the watchdog timer on the following Broadcom BCM281xx
1783*4882a593Smuzhiyun	  family, which includes BCM11130, BCM11140, BCM11351, BCM28145 and
1784*4882a593Smuzhiyun	  BCM28155 variants.
1785*4882a593Smuzhiyun
1786*4882a593Smuzhiyun	  Say 'Y' or 'M' here to enable the driver. The module will be called
1787*4882a593Smuzhiyun	  bcm_kona_wdt.
1788*4882a593Smuzhiyun
1789*4882a593Smuzhiyunconfig BCM_KONA_WDT_DEBUG
1790*4882a593Smuzhiyun	bool "DEBUGFS support for BCM Kona Watchdog"
1791*4882a593Smuzhiyun	depends on BCM_KONA_WDT
1792*4882a593Smuzhiyun	help
1793*4882a593Smuzhiyun	  If enabled, adds /sys/kernel/debug/bcm_kona_wdt/info which provides
1794*4882a593Smuzhiyun	  access to the driver's internal data structures as well as watchdog
1795*4882a593Smuzhiyun	  timer hardware registres.
1796*4882a593Smuzhiyun
1797*4882a593Smuzhiyun	  If in doubt, say 'N'.
1798*4882a593Smuzhiyun
1799*4882a593Smuzhiyunconfig BCM7038_WDT
1800*4882a593Smuzhiyun	tristate "BCM7038 Watchdog"
1801*4882a593Smuzhiyun	select WATCHDOG_CORE
1802*4882a593Smuzhiyun	depends on HAS_IOMEM
1803*4882a593Smuzhiyun	depends on ARCH_BRCMSTB || BMIPS_GENERIC || COMPILE_TEST
1804*4882a593Smuzhiyun	help
1805*4882a593Smuzhiyun	 Watchdog driver for the built-in hardware in Broadcom 7038 and
1806*4882a593Smuzhiyun	 later SoCs used in set-top boxes.  BCM7038 was made public
1807*4882a593Smuzhiyun	 during the 2004 CES, and since then, many Broadcom chips use this
1808*4882a593Smuzhiyun	 watchdog block, including some cable modem chips.
1809*4882a593Smuzhiyun
1810*4882a593Smuzhiyunconfig IMGPDC_WDT
1811*4882a593Smuzhiyun	tristate "Imagination Technologies PDC Watchdog Timer"
1812*4882a593Smuzhiyun	depends on HAS_IOMEM
1813*4882a593Smuzhiyun	depends on MIPS || COMPILE_TEST
1814*4882a593Smuzhiyun	select WATCHDOG_CORE
1815*4882a593Smuzhiyun	help
1816*4882a593Smuzhiyun	  Driver for Imagination Technologies PowerDown Controller
1817*4882a593Smuzhiyun	  Watchdog Timer.
1818*4882a593Smuzhiyun
1819*4882a593Smuzhiyun	  To compile this driver as a loadable module, choose M here.
1820*4882a593Smuzhiyun	  The module will be called imgpdc_wdt.
1821*4882a593Smuzhiyun
1822*4882a593Smuzhiyunconfig LANTIQ_WDT
1823*4882a593Smuzhiyun	tristate "Lantiq SoC watchdog"
1824*4882a593Smuzhiyun	depends on LANTIQ
1825*4882a593Smuzhiyun	select WATCHDOG_CORE
1826*4882a593Smuzhiyun	help
1827*4882a593Smuzhiyun	  Hardware driver for the Lantiq SoC Watchdog Timer.
1828*4882a593Smuzhiyun
1829*4882a593Smuzhiyunconfig LOONGSON1_WDT
1830*4882a593Smuzhiyun	tristate "Loongson1 SoC hardware watchdog"
1831*4882a593Smuzhiyun	depends on MACH_LOONGSON32
1832*4882a593Smuzhiyun	select WATCHDOG_CORE
1833*4882a593Smuzhiyun	help
1834*4882a593Smuzhiyun	  Hardware driver for the Loongson1 SoC Watchdog Timer.
1835*4882a593Smuzhiyun
1836*4882a593Smuzhiyunconfig RALINK_WDT
1837*4882a593Smuzhiyun	tristate "Ralink SoC watchdog"
1838*4882a593Smuzhiyun	select WATCHDOG_CORE
1839*4882a593Smuzhiyun	depends on RALINK
1840*4882a593Smuzhiyun	help
1841*4882a593Smuzhiyun	  Hardware driver for the Ralink SoC Watchdog Timer.
1842*4882a593Smuzhiyun
1843*4882a593Smuzhiyunconfig MT7621_WDT
1844*4882a593Smuzhiyun	tristate "Mediatek SoC watchdog"
1845*4882a593Smuzhiyun	select WATCHDOG_CORE
1846*4882a593Smuzhiyun	depends on SOC_MT7620 || SOC_MT7621
1847*4882a593Smuzhiyun	help
1848*4882a593Smuzhiyun	  Hardware driver for the Mediatek/Ralink MT7621/8 SoC Watchdog Timer.
1849*4882a593Smuzhiyun
1850*4882a593Smuzhiyunconfig PIC32_WDT
1851*4882a593Smuzhiyun	tristate "Microchip PIC32 hardware watchdog"
1852*4882a593Smuzhiyun	select WATCHDOG_CORE
1853*4882a593Smuzhiyun	depends on MACH_PIC32 || (MIPS && COMPILE_TEST)
1854*4882a593Smuzhiyun	help
1855*4882a593Smuzhiyun	  Watchdog driver for the built in watchdog hardware in a PIC32.
1856*4882a593Smuzhiyun
1857*4882a593Smuzhiyun	  Configuration bits must be set appropriately for the watchdog to be
1858*4882a593Smuzhiyun	  controlled by this driver.
1859*4882a593Smuzhiyun
1860*4882a593Smuzhiyun	  To compile this driver as a loadable module, choose M here.
1861*4882a593Smuzhiyun	  The module will be called pic32-wdt.
1862*4882a593Smuzhiyun
1863*4882a593Smuzhiyunconfig PIC32_DMT
1864*4882a593Smuzhiyun	tristate "Microchip PIC32 Deadman Timer"
1865*4882a593Smuzhiyun	select WATCHDOG_CORE
1866*4882a593Smuzhiyun	depends on MACH_PIC32 || (MIPS && COMPILE_TEST)
1867*4882a593Smuzhiyun	help
1868*4882a593Smuzhiyun	  Watchdog driver for PIC32 instruction fetch counting timer. This specific
1869*4882a593Smuzhiyun	  timer is typically be used in misson critical and safety critical
1870*4882a593Smuzhiyun	  applications, where any single failure of the software functionality
1871*4882a593Smuzhiyun	  and sequencing must be detected.
1872*4882a593Smuzhiyun
1873*4882a593Smuzhiyun	  To compile this driver as a loadable module, choose M here.
1874*4882a593Smuzhiyun	  The module will be called pic32-dmt.
1875*4882a593Smuzhiyun
1876*4882a593Smuzhiyun# PARISC Architecture
1877*4882a593Smuzhiyun
1878*4882a593Smuzhiyun# POWERPC Architecture
1879*4882a593Smuzhiyun
1880*4882a593Smuzhiyunconfig GEF_WDT
1881*4882a593Smuzhiyun	tristate "GE Watchdog Timer"
1882*4882a593Smuzhiyun	depends on GE_FPGA
1883*4882a593Smuzhiyun	help
1884*4882a593Smuzhiyun	  Watchdog timer found in a number of GE single board computers.
1885*4882a593Smuzhiyun
1886*4882a593Smuzhiyunconfig MPC5200_WDT
1887*4882a593Smuzhiyun	bool "MPC52xx Watchdog Timer"
1888*4882a593Smuzhiyun	depends on PPC_MPC52xx || COMPILE_TEST
1889*4882a593Smuzhiyun	help
1890*4882a593Smuzhiyun	  Use General Purpose Timer (GPT) 0 on the MPC5200 as Watchdog.
1891*4882a593Smuzhiyun
1892*4882a593Smuzhiyunconfig 8xxx_WDT
1893*4882a593Smuzhiyun	tristate "MPC8xxx Platform Watchdog Timer"
1894*4882a593Smuzhiyun	depends on PPC_8xx || PPC_83xx || PPC_86xx || PPC_MPC512x
1895*4882a593Smuzhiyun	select WATCHDOG_CORE
1896*4882a593Smuzhiyun	help
1897*4882a593Smuzhiyun	  This driver is for a SoC level watchdog that exists on some
1898*4882a593Smuzhiyun	  Freescale PowerPC processors. So far this driver supports:
1899*4882a593Smuzhiyun	  - MPC8xx watchdogs
1900*4882a593Smuzhiyun	  - MPC83xx watchdogs
1901*4882a593Smuzhiyun	  - MPC86xx watchdogs
1902*4882a593Smuzhiyun
1903*4882a593Smuzhiyun	  For BookE processors (MPC85xx) use the BOOKE_WDT driver instead.
1904*4882a593Smuzhiyun
1905*4882a593Smuzhiyunconfig MV64X60_WDT
1906*4882a593Smuzhiyun	tristate "MV64X60 (Marvell Discovery) Watchdog Timer"
1907*4882a593Smuzhiyun	depends on MV64X60 || COMPILE_TEST
1908*4882a593Smuzhiyun
1909*4882a593Smuzhiyunconfig PIKA_WDT
1910*4882a593Smuzhiyun	tristate "PIKA FPGA Watchdog"
1911*4882a593Smuzhiyun	depends on WARP || (PPC64 && COMPILE_TEST)
1912*4882a593Smuzhiyun	default y
1913*4882a593Smuzhiyun	help
1914*4882a593Smuzhiyun	  This enables the watchdog in the PIKA FPGA. Currently used on
1915*4882a593Smuzhiyun	  the Warp platform.
1916*4882a593Smuzhiyun
1917*4882a593Smuzhiyunconfig BOOKE_WDT
1918*4882a593Smuzhiyun	tristate "PowerPC Book-E Watchdog Timer"
1919*4882a593Smuzhiyun	depends on BOOKE || 4xx
1920*4882a593Smuzhiyun	select WATCHDOG_CORE
1921*4882a593Smuzhiyun	help
1922*4882a593Smuzhiyun	  Watchdog driver for PowerPC Book-E chips, such as the Freescale
1923*4882a593Smuzhiyun	  MPC85xx SOCs and the IBM PowerPC 440.
1924*4882a593Smuzhiyun
1925*4882a593Smuzhiyun	  Please see Documentation/watchdog/watchdog-api.rst for
1926*4882a593Smuzhiyun	  more information.
1927*4882a593Smuzhiyun
1928*4882a593Smuzhiyunconfig BOOKE_WDT_DEFAULT_TIMEOUT
1929*4882a593Smuzhiyun	int "PowerPC Book-E Watchdog Timer Default Timeout"
1930*4882a593Smuzhiyun	depends on BOOKE_WDT
1931*4882a593Smuzhiyun	default 38 if PPC_FSL_BOOK3E
1932*4882a593Smuzhiyun	range 0 63 if PPC_FSL_BOOK3E
1933*4882a593Smuzhiyun	default 3 if !PPC_FSL_BOOK3E
1934*4882a593Smuzhiyun	range 0 3 if !PPC_FSL_BOOK3E
1935*4882a593Smuzhiyun	help
1936*4882a593Smuzhiyun	  Select the default watchdog timer period to be used by the PowerPC
1937*4882a593Smuzhiyun	  Book-E watchdog driver.  A watchdog "event" occurs when the bit
1938*4882a593Smuzhiyun	  position represented by this number transitions from zero to one.
1939*4882a593Smuzhiyun
1940*4882a593Smuzhiyun	  For Freescale Book-E processors, this is a number between 0 and 63.
1941*4882a593Smuzhiyun	  For other Book-E processors, this is a number between 0 and 3.
1942*4882a593Smuzhiyun
1943*4882a593Smuzhiyun	  The value can be overridden by the wdt_period command-line parameter.
1944*4882a593Smuzhiyun
1945*4882a593Smuzhiyunconfig MEN_A21_WDT
1946*4882a593Smuzhiyun	tristate "MEN A21 VME CPU Carrier Board Watchdog Timer"
1947*4882a593Smuzhiyun	select WATCHDOG_CORE
1948*4882a593Smuzhiyun	depends on GPIOLIB || COMPILE_TEST
1949*4882a593Smuzhiyun	help
1950*4882a593Smuzhiyun	  Watchdog driver for MEN A21 VMEbus CPU Carrier Boards.
1951*4882a593Smuzhiyun
1952*4882a593Smuzhiyun	  The driver can also be built as a module. If so, the module will be
1953*4882a593Smuzhiyun	  called mena21_wdt.
1954*4882a593Smuzhiyun
1955*4882a593Smuzhiyun	  If unsure select N here.
1956*4882a593Smuzhiyun
1957*4882a593Smuzhiyun# PPC64 Architecture
1958*4882a593Smuzhiyun
1959*4882a593Smuzhiyunconfig WATCHDOG_RTAS
1960*4882a593Smuzhiyun	tristate "RTAS watchdog"
1961*4882a593Smuzhiyun	depends on PPC_RTAS
1962*4882a593Smuzhiyun	help
1963*4882a593Smuzhiyun	  This driver adds watchdog support for the RTAS watchdog.
1964*4882a593Smuzhiyun
1965*4882a593Smuzhiyun	  To compile this driver as a module, choose M here. The module
1966*4882a593Smuzhiyun	  will be called wdrtas.
1967*4882a593Smuzhiyun
1968*4882a593Smuzhiyun# S390 Architecture
1969*4882a593Smuzhiyun
1970*4882a593Smuzhiyunconfig DIAG288_WATCHDOG
1971*4882a593Smuzhiyun	tristate "System z diag288 Watchdog"
1972*4882a593Smuzhiyun	depends on S390
1973*4882a593Smuzhiyun	select WATCHDOG_CORE
1974*4882a593Smuzhiyun	help
1975*4882a593Smuzhiyun	  IBM s/390 and zSeries machines running under z/VM 5.1 or later
1976*4882a593Smuzhiyun	  provide a virtual watchdog timer to their guest that cause a
1977*4882a593Smuzhiyun	  user define Control Program command to be executed after a
1978*4882a593Smuzhiyun	  timeout.
1979*4882a593Smuzhiyun	  LPAR provides a very similar interface. This driver handles
1980*4882a593Smuzhiyun	  both.
1981*4882a593Smuzhiyun
1982*4882a593Smuzhiyun	  To compile this driver as a module, choose M here. The module
1983*4882a593Smuzhiyun	  will be called diag288_wdt.
1984*4882a593Smuzhiyun
1985*4882a593Smuzhiyun# SUPERH (sh + sh64) Architecture
1986*4882a593Smuzhiyun
1987*4882a593Smuzhiyunconfig SH_WDT
1988*4882a593Smuzhiyun	tristate "SuperH Watchdog"
1989*4882a593Smuzhiyun	depends on SUPERH && (CPU_SH3 || CPU_SH4 || COMPILE_TEST)
1990*4882a593Smuzhiyun	select WATCHDOG_CORE
1991*4882a593Smuzhiyun	help
1992*4882a593Smuzhiyun	  This driver adds watchdog support for the integrated watchdog in the
1993*4882a593Smuzhiyun	  SuperH processors. If you have one of these processors and wish
1994*4882a593Smuzhiyun	  to have watchdog support enabled, say Y, otherwise say N.
1995*4882a593Smuzhiyun
1996*4882a593Smuzhiyun	  As a side note, saying Y here will automatically boost HZ to 1000
1997*4882a593Smuzhiyun	  so that the timer has a chance to clear the overflow counter. On
1998*4882a593Smuzhiyun	  slower systems (such as the SH-2 and SH-3) this will likely yield
1999*4882a593Smuzhiyun	  some performance issues. As such, the WDT should be avoided here
2000*4882a593Smuzhiyun	  unless it is absolutely necessary.
2001*4882a593Smuzhiyun
2002*4882a593Smuzhiyun	  To compile this driver as a module, choose M here: the
2003*4882a593Smuzhiyun	  module will be called shwdt.
2004*4882a593Smuzhiyun
2005*4882a593Smuzhiyun# SPARC Architecture
2006*4882a593Smuzhiyun
2007*4882a593Smuzhiyun# SPARC64 Architecture
2008*4882a593Smuzhiyun
2009*4882a593Smuzhiyunconfig WATCHDOG_CP1XXX
2010*4882a593Smuzhiyun	tristate "CP1XXX Hardware Watchdog support"
2011*4882a593Smuzhiyun	depends on SPARC64 && PCI
2012*4882a593Smuzhiyun	help
2013*4882a593Smuzhiyun	  This is the driver for the hardware watchdog timers present on
2014*4882a593Smuzhiyun	  Sun Microsystems CompactPCI models CP1400 and CP1500.
2015*4882a593Smuzhiyun
2016*4882a593Smuzhiyun	  To compile this driver as a module, choose M here: the
2017*4882a593Smuzhiyun	  module will be called cpwatchdog.
2018*4882a593Smuzhiyun
2019*4882a593Smuzhiyun	  If you do not have a CompactPCI model CP1400 or CP1500, or
2020*4882a593Smuzhiyun	  another UltraSPARC-IIi-cEngine boardset with hardware watchdog,
2021*4882a593Smuzhiyun	  you should say N to this option.
2022*4882a593Smuzhiyun
2023*4882a593Smuzhiyunconfig WATCHDOG_RIO
2024*4882a593Smuzhiyun	tristate "RIO Hardware Watchdog support"
2025*4882a593Smuzhiyun	depends on SPARC64 && PCI
2026*4882a593Smuzhiyun	help
2027*4882a593Smuzhiyun	  Say Y here to support the hardware watchdog capability on Sun RIO
2028*4882a593Smuzhiyun	  machines.  The watchdog timeout period is normally one minute but
2029*4882a593Smuzhiyun	  can be changed with a boot-time parameter.
2030*4882a593Smuzhiyun
2031*4882a593Smuzhiyunconfig WATCHDOG_SUN4V
2032*4882a593Smuzhiyun	tristate "Sun4v Watchdog support"
2033*4882a593Smuzhiyun	select WATCHDOG_CORE
2034*4882a593Smuzhiyun	depends on SPARC64
2035*4882a593Smuzhiyun	help
2036*4882a593Smuzhiyun	  Say Y here to support the hypervisor watchdog capability embedded
2037*4882a593Smuzhiyun	  in the SPARC sun4v architecture.
2038*4882a593Smuzhiyun
2039*4882a593Smuzhiyun	  To compile this driver as a module, choose M here. The module will
2040*4882a593Smuzhiyun	  be called sun4v_wdt.
2041*4882a593Smuzhiyun
2042*4882a593Smuzhiyun# XTENSA Architecture
2043*4882a593Smuzhiyun
2044*4882a593Smuzhiyun# Xen Architecture
2045*4882a593Smuzhiyun
2046*4882a593Smuzhiyunconfig XEN_WDT
2047*4882a593Smuzhiyun	tristate "Xen Watchdog support"
2048*4882a593Smuzhiyun	depends on XEN
2049*4882a593Smuzhiyun	select WATCHDOG_CORE
2050*4882a593Smuzhiyun	help
2051*4882a593Smuzhiyun	  Say Y here to support the hypervisor watchdog capability provided
2052*4882a593Smuzhiyun	  by Xen 4.0 and newer.  The watchdog timeout period is normally one
2053*4882a593Smuzhiyun	  minute but can be changed with a boot-time parameter.
2054*4882a593Smuzhiyun
2055*4882a593Smuzhiyunconfig UML_WATCHDOG
2056*4882a593Smuzhiyun	tristate "UML watchdog"
2057*4882a593Smuzhiyun	depends on UML || COMPILE_TEST
2058*4882a593Smuzhiyun
2059*4882a593Smuzhiyun#
2060*4882a593Smuzhiyun# ISA-based Watchdog Cards
2061*4882a593Smuzhiyun#
2062*4882a593Smuzhiyun
2063*4882a593Smuzhiyuncomment "ISA-based Watchdog Cards"
2064*4882a593Smuzhiyun	depends on ISA
2065*4882a593Smuzhiyun
2066*4882a593Smuzhiyunconfig PCWATCHDOG
2067*4882a593Smuzhiyun	tristate "Berkshire Products ISA-PC Watchdog"
2068*4882a593Smuzhiyun	depends on ISA
2069*4882a593Smuzhiyun	help
2070*4882a593Smuzhiyun	  This is the driver for the Berkshire Products ISA-PC Watchdog card.
2071*4882a593Smuzhiyun	  This card simply watches your kernel to make sure it doesn't freeze,
2072*4882a593Smuzhiyun	  and if it does, it reboots your computer after a certain amount of
2073*4882a593Smuzhiyun	  time. This driver is like the WDT501 driver but for different
2074*4882a593Smuzhiyun	  hardware. Please read <file:Documentation/watchdog/pcwd-watchdog.rst>. The PC
2075*4882a593Smuzhiyun	  watchdog cards can be ordered from <http://www.berkprod.com/>.
2076*4882a593Smuzhiyun
2077*4882a593Smuzhiyun	  To compile this driver as a module, choose M here: the
2078*4882a593Smuzhiyun	  module will be called pcwd.
2079*4882a593Smuzhiyun
2080*4882a593Smuzhiyun	  Most people will say N.
2081*4882a593Smuzhiyun
2082*4882a593Smuzhiyunconfig MIXCOMWD
2083*4882a593Smuzhiyun	tristate "Mixcom Watchdog"
2084*4882a593Smuzhiyun	depends on ISA
2085*4882a593Smuzhiyun	help
2086*4882a593Smuzhiyun	  This is a driver for the Mixcom hardware watchdog cards.  This
2087*4882a593Smuzhiyun	  watchdog simply watches your kernel to make sure it doesn't freeze,
2088*4882a593Smuzhiyun	  and if it does, it reboots your computer after a certain amount of
2089*4882a593Smuzhiyun	  time.
2090*4882a593Smuzhiyun
2091*4882a593Smuzhiyun	  To compile this driver as a module, choose M here: the
2092*4882a593Smuzhiyun	  module will be called mixcomwd.
2093*4882a593Smuzhiyun
2094*4882a593Smuzhiyun	  Most people will say N.
2095*4882a593Smuzhiyun
2096*4882a593Smuzhiyunconfig WDT
2097*4882a593Smuzhiyun	tristate "WDT Watchdog timer"
2098*4882a593Smuzhiyun	depends on ISA
2099*4882a593Smuzhiyun	help
2100*4882a593Smuzhiyun	  If you have a WDT500P or WDT501P watchdog board, say Y here,
2101*4882a593Smuzhiyun	  otherwise N. It is not possible to probe for this board, which means
2102*4882a593Smuzhiyun	  that you have to inform the kernel about the IO port and IRQ that
2103*4882a593Smuzhiyun	  is needed (you can do this via the io and irq parameters)
2104*4882a593Smuzhiyun
2105*4882a593Smuzhiyun	  To compile this driver as a module, choose M here: the
2106*4882a593Smuzhiyun	  module will be called wdt.
2107*4882a593Smuzhiyun
2108*4882a593Smuzhiyun#
2109*4882a593Smuzhiyun# PCI-based Watchdog Cards
2110*4882a593Smuzhiyun#
2111*4882a593Smuzhiyun
2112*4882a593Smuzhiyuncomment "PCI-based Watchdog Cards"
2113*4882a593Smuzhiyun	depends on PCI
2114*4882a593Smuzhiyun
2115*4882a593Smuzhiyunconfig PCIPCWATCHDOG
2116*4882a593Smuzhiyun	tristate "Berkshire Products PCI-PC Watchdog"
2117*4882a593Smuzhiyun	depends on PCI
2118*4882a593Smuzhiyun	help
2119*4882a593Smuzhiyun	  This is the driver for the Berkshire Products PCI-PC Watchdog card.
2120*4882a593Smuzhiyun	  This card simply watches your kernel to make sure it doesn't freeze,
2121*4882a593Smuzhiyun	  and if it does, it reboots your computer after a certain amount of
2122*4882a593Smuzhiyun	  time. The card can also monitor the internal temperature of the PC.
2123*4882a593Smuzhiyun	  More info is available at <http://www.berkprod.com/pci_pc_watchdog.htm>.
2124*4882a593Smuzhiyun
2125*4882a593Smuzhiyun	  To compile this driver as a module, choose M here: the
2126*4882a593Smuzhiyun	  module will be called pcwd_pci.
2127*4882a593Smuzhiyun
2128*4882a593Smuzhiyun	  Most people will say N.
2129*4882a593Smuzhiyun
2130*4882a593Smuzhiyunconfig WDTPCI
2131*4882a593Smuzhiyun	tristate "PCI-WDT500/501 Watchdog timer"
2132*4882a593Smuzhiyun	depends on PCI
2133*4882a593Smuzhiyun	help
2134*4882a593Smuzhiyun	  If you have a PCI-WDT500/501 watchdog board, say Y here, otherwise N.
2135*4882a593Smuzhiyun
2136*4882a593Smuzhiyun	  If you have a PCI-WDT501 watchdog board then you can enable the
2137*4882a593Smuzhiyun	  temperature sensor by setting the type parameter to 501.
2138*4882a593Smuzhiyun
2139*4882a593Smuzhiyun	  If you want to enable the Fan Tachometer on the PCI-WDT501, then you
2140*4882a593Smuzhiyun	  can do this via the tachometer parameter. Only do this if you have a
2141*4882a593Smuzhiyun	  fan tachometer actually set up.
2142*4882a593Smuzhiyun
2143*4882a593Smuzhiyun	  To compile this driver as a module, choose M here: the
2144*4882a593Smuzhiyun	  module will be called wdt_pci.
2145*4882a593Smuzhiyun
2146*4882a593Smuzhiyun#
2147*4882a593Smuzhiyun# USB-based Watchdog Cards
2148*4882a593Smuzhiyun#
2149*4882a593Smuzhiyun
2150*4882a593Smuzhiyuncomment "USB-based Watchdog Cards"
2151*4882a593Smuzhiyun	depends on USB
2152*4882a593Smuzhiyun
2153*4882a593Smuzhiyunconfig USBPCWATCHDOG
2154*4882a593Smuzhiyun	tristate "Berkshire Products USB-PC Watchdog"
2155*4882a593Smuzhiyun	depends on USB
2156*4882a593Smuzhiyun	help
2157*4882a593Smuzhiyun	  This is the driver for the Berkshire Products USB-PC Watchdog card.
2158*4882a593Smuzhiyun	  This card simply watches your kernel to make sure it doesn't freeze,
2159*4882a593Smuzhiyun	  and if it does, it reboots your computer after a certain amount of
2160*4882a593Smuzhiyun	  time. The card can also monitor the internal temperature of the PC.
2161*4882a593Smuzhiyun	  More info is available at <http://www.berkprod.com/usb_pc_watchdog.htm>.
2162*4882a593Smuzhiyun
2163*4882a593Smuzhiyun	  To compile this driver as a module, choose M here: the
2164*4882a593Smuzhiyun	  module will be called pcwd_usb.
2165*4882a593Smuzhiyun
2166*4882a593Smuzhiyun	  Most people will say N.
2167*4882a593Smuzhiyun
2168*4882a593Smuzhiyunendif # WATCHDOG
2169