Searched full:watchdog (Results 1 – 25 of 208) sorted by relevance
123456789
| /Documentation/watchdog/ |
| D | watchdog-kernel-api.rst | 2 The Linux WatchDog Timer Driver Core kernel API
11 This document does not describe what a WatchDog Timer (WDT) Driver or Device is.
13 with a WatchDog Timer. If you want to know this then please read the following
14 file: Documentation/watchdog/watchdog-api.rst .
17 WatchDog Timer Drivers that want to use the WatchDog Timer Driver Core
20 a watchdog timer driver then only needs to provide the different routines
21 (operations) that control the watchdog timer (WDT).
25 Each watchdog timer driver that wants to use the WatchDog Timer Driver Core
26 must #include <linux/watchdog.h> (you would have to do this anyway when
27 writing a watchdog device driver). This include file contains following
[all …]
|
| D | mlx-wdt.rst | 2 Mellanox watchdog drivers
8 This driver provides watchdog functionality for various Mellanox
11 Mellanox watchdog device is implemented in a programmable logic device.
13 There are 2 types of HW watchdog implementations.
31 Type 1 HW watchdog implementation exist in old systems and
32 all new systems have type 2 HW watchdog.
35 Type 3 HW watchdog implementation can exist on all Mellanox systems
38 Old systems still have only one main watchdog.
41 Main and auxiliary watchdog devices can be enabled together
43 There are several actions that can be defined in the watchdog:
[all …]
|
| D | watchdog-parameters.rst | 2 WatchDog Module Parameters
6 the Linux watchdog drivers. Watchdog driver parameter specs should
16 watchdog core:
18 Maximum time, in seconds, for which the watchdog framework will take
19 care of pinging a running hardware watchdog until userspace opens the
33 Watchdog cannot be stopped once started
44 Watchdog timeout in seconds. 1<= timeout <=63, default=60.
46 Watchdog cannot be stopped once started
53 Watchdog timeout in seconds. (0 < timeout < 18000, default=60
55 Watchdog cannot be stopped once started
[all …]
|
| D | pcwd-watchdog.rst | 2 Berkshire Products PC Watchdog Card
12 The PC Watchdog is a card that offers the same type of functionality that
18 The Watchdog Driver has one basic role: to talk to the card and send
22 The Watchdog Driver will automatically find your watchdog card, and will
23 attach a running driver for use with that card. After the watchdog
25 Watchdog program.
27 I suggest putting a "watchdog -d" before the beginning of an fsck, and
28 a "watchdog -e -t 1" immediately after the end of an fsck. (Remember
31 If you want to write a program to be compatible with the PC Watchdog
32 driver, simply use of modify the watchdog test program:
[all …]
|
| D | hpwdt.rst | 2 HPE iLO NMI Watchdog Driver
11 The HPE iLO NMI Watchdog driver is a kernel module that provides basic
12 watchdog functionality and handler for the iLO "Generate NMI to System"
18 Watchdog functionality is enabled like any other common watchdog driver. That
19 is, an application needs to be started that kicks off the watchdog timer. A
20 basic application exists in tools/testing/selftests/watchdog/ named
21 watchdog-test.c. Simply compile the C file and kick it off. If the system
29 soft_margin allows the user to set the watchdog timer value.
32 pretimeout allows the user to set the watchdog pretimeout value.
37 nowayout basic watchdog parameter that does not allow the timer to
[all …]
|
| D | watchdog-api.rst | 2 The Linux Watchdog driver API
19 A Watchdog Timer (WDT) is a hardware circuit that can reset the
23 Usually a userspace daemon will notify the kernel watchdog driver via the
24 /dev/watchdog special device file that userspace is still alive, at
26 usually tell the hardware watchdog that everything is in order, and
27 that the watchdog should wait for yet another little while to reset
29 notifications cease to occur, and the hardware watchdog will reset the
32 The Linux watchdog API is a rather ad-hoc construction and different
40 All drivers support the basic mode of operation, where the watchdog
41 activates as soon as /dev/watchdog is opened and will reboot unless
[all …]
|
| D | index.rst | 4 Watchdog Support
12 pcwd-watchdog
13 watchdog-api
14 watchdog-kernel-api
15 watchdog-parameters
16 watchdog-pm
|
| /Documentation/devicetree/bindings/watchdog/ |
| D | dlg,da9062-watchdog.yaml | 4 $id: http://devicetree.org/schemas/watchdog/dlg,da9062-watchdog.yaml#
7 title: Dialog Semiconductor DA906{1,2,3} Watchdog Timer
13 - $ref: watchdog.yaml#
19 - dlg,da9062-watchdog
20 - dlg,da9063-watchdog
22 - const: dlg,da9061-watchdog
23 - const: dlg,da9062-watchdog
28 Add this property to disable the watchdog during suspend.
29 Only use this option if you can't use the watchdog automatic suspend
36 Set what happens on watchdog timeout. If this bit is set the
[all …]
|
| D | atmel,sama5d4-wdt.yaml | 4 $id: http://devicetree.org/schemas/watchdog/atmel,sama5d4-wdt.yaml#
7 title: Atmel SAMA5D4 Watchdog Timer (WDT) Controller
13 - $ref: watchdog.yaml#
32 atmel,watchdog-type:
37 Enable watchdog fault reset. A watchdog fault triggers
38 watchdog reset.
41 Enable watchdog fault interrupt. A watchdog fault asserts
42 watchdog interrupt.
49 present if you want to stop the watchdog when the CPU is in idle state.
51 watchdog not counting when the CPU is in idle state, therefore the
[all …]
|
| D | men-a021-wdt.txt | 1 Bindings for MEN A21 Watchdog device connected to GPIO lines
5 - gpios: Specifies the pins that control the Watchdog, order:
6 1: Watchdog enable
7 2: Watchdog fast-mode
8 3: Watchdog trigger
9 4: Watchdog reset cause bit 0
10 5: Watchdog reset cause bit 1
11 6: Watchdog reset cause bit 2
17 watchdog {
|
| D | atmel,at91sam9-wdt.yaml | 5 $id: http://devicetree.org/schemas/watchdog/atmel,at91sam9-wdt.yaml#
8 title: Atmel Watchdog Timers
39 atmel,watchdog-type:
45 Hardware watchdog uses the at91 watchdog reset.
48 Software watchdog uses the watchdog interrupt
56 Should be proc or all. This is valid only when using hardware watchdog.
69 Should be present if you want to stop the watchdog.
74 Should be present if you want to stop the watchdog when
77 watchdog not counting when the CPU is in idle state, therefore the
78 watchdog reset time depends on mean CPU usage and will not reset at all
[all …]
|
| D | snps,dw-wdt.yaml | 4 $id: http://devicetree.org/schemas/watchdog/snps,dw-wdt.yaml#
7 title: Synopsys Designware Watchdog Timer
13 - $ref: watchdog.yaml#
41 description: DW Watchdog pre-timeout interrupt
47 - description: Watchdog timer reference clock
57 description: Phandle to the DW Watchdog reset lane
60 snps,watchdog-tops:
63 DW APB Watchdog custom timer intervals - Timeout Period ranges (TOPs).
64 Each TOP is a number loaded into the watchdog counter at the moment of
67 the timer expiration intervals supported by the DW APB Watchdog. Note
[all …]
|
| D | ti,rti-wdt.yaml | 4 $id: http://devicetree.org/schemas/watchdog/ti,rti-wdt.yaml#
7 title: Texas Instruments K3 SoC Watchdog Timer
13 The TI K3 SoC watchdog timer is implemented via the RTI (Real Time
14 Interrupt) IP module. This timer adds a support for windowed watchdog
15 mode, which will signal an error if it is pinged outside the watchdog
21 - $ref: watchdog.yaml#
40 Contains the watchdog reserved memory. It is optional.
44 3 * 4 bytes to tell that last boot was caused by watchdog reset.
63 * select the source clock for the watchdog, forcing it to tick with
65 * the watchdog reset cause persistent, which was be written in 12 bytes
[all …]
|
| D | watchdog.yaml | 4 $id: http://devicetree.org/schemas/watchdog/watchdog.yaml#
7 title: Watchdog Common Properties
11 - Wim Van Sebroeck <wim@linux-watchdog.org>
15 describe watchdog devices in a device tree.
20 pattern: "^watchdog(@.*|-([0-9]|[1-9][0-9]+))?$"
24 pattern: "^(timer|watchdog)(@.*|-([0-9]|[1-9][0-9]+))?$"
28 Contains the watchdog timeout in seconds.
|
| D | faraday,ftwdt010.yaml | 4 $id: http://devicetree.org/schemas/watchdog/faraday,ftwdt010.yaml#
7 title: Faraday Technology FTWDT010 watchdog
18 - $ref: watchdog.yaml#
26 - cortina,gemini-watchdog
27 - moxa,moxart-watchdog
54 watchdog@41000000 {
61 watchdog: watchdog@98500000 {
62 compatible = "moxa,moxart-watchdog", "faraday,ftwdt010";
|
| D | realtek,rtd1295-watchdog.yaml | 4 $id: http://devicetree.org/schemas/watchdog/realtek,rtd1295-watchdog.yaml#
7 title: Realtek RTD1295 Watchdog
13 - $ref: watchdog.yaml#
17 const: realtek,rtd1295-watchdog
34 watchdog@98007680 {
35 compatible = "realtek,rtd1295-watchdog";
|
| D | starfive,jh7100-wdt.yaml | 4 $id: http://devicetree.org/schemas/watchdog/starfive,jh7100-wdt.yaml#
7 title: StarFive Watchdog for JH7100 and JH7110 SoC
14 The JH7100 and JH7110 watchdog both are 32 bit counters. JH7100 watchdog
15 has only one timeout phase and reboots. And JH7110 watchdog has two
16 timeout phases. At the first phase, the signal of watchdog interrupt
19 isn't cleared, the watchdog will reset the system unless the watchdog
61 - $ref: watchdog.yaml#
85 watchdog@12480000 {
|
| D | arm,sbsa-gwdt.yaml | 4 $id: http://devicetree.org/schemas/watchdog/arm,sbsa-gwdt.yaml#
7 title: SBSA (Server Base System Architecture) Generic Watchdog
13 The SBSA Generic Watchdog Timer is used to force a reset of the system after
14 two stages of timeout have elapsed. A detailed definition of the watchdog
19 - $ref: watchdog.yaml#
27 - description: Watchdog control frame
31 description: The Watchdog Signal 0 (WS0) SPI (Shared Peripheral Interrupt)
43 watchdog@2a440000 {
|
| D | xlnx,versal-wwdt.yaml | 4 $id: http://devicetree.org/schemas/watchdog/xlnx,versal-wwdt.yaml#
7 title: Xilinx Versal window watchdog timer controller
13 Versal watchdog intellectual property uses window watchdog mode.
14 Window watchdog timer(WWDT) contains closed(first) and open(second)
15 window with 32 bit width. Write to the watchdog timer within
22 - $ref: watchdog.yaml#
44 watchdog@fd4d0000 {
|
| D | zii,rave-sp-wdt.txt | 1 Zodiac Inflight Innovations RAVE Supervisory Processor Watchdog Bindings
3 RAVE SP watchdog device is a "MFD cell" device corresponding to
4 watchdog functionality of RAVE Supervisory Processor. It is expected
13 - "zii,rave-sp-watchdog"
14 - "zii,rave-sp-watchdog-legacy"
33 watchdog {
34 compatible = "zii,rave-sp-watchdog";
|
| D | moxa,moxart-watchdog.txt | 1 MOXA ART Watchdog timer
5 - compatible : Must be "moxa,moxart-watchdog"
11 watchdog: watchdog@98500000 {
12 compatible = "moxa,moxart-watchdog";
|
| D | arm,sp805.yaml | 4 $id: http://devicetree.org/schemas/watchdog/arm,sp805.yaml#
7 title: ARM AMBA Primecell SP805 Watchdog
13 The Arm SP805 IP implements a watchdog device, which triggers an interrupt
18 - $ref: /schemas/watchdog/watchdog.yaml#
43 Clocks driving the watchdog timer hardware. The first clock is used
44 for the actual watchdog counter. The second clock drives the register
68 watchdog@66090000 {
|
| /Documentation/ABI/testing/ |
| D | sysfs-class-watchdog | 1 What: /sys/class/watchdog/watchdogn/bootstatus
5 It is a read only file. It contains status of the watchdog
9 What: /sys/class/watchdog/watchdogn/options
13 It is a read only file. It contains options of watchdog device.
15 What: /sys/class/watchdog/watchdogn/fw_version
20 watchdog device.
22 What: /sys/class/watchdog/watchdogn/identity
27 watchdog device.
29 What: /sys/class/watchdog/watchdogn/nowayout
41 What: /sys/class/watchdog/watchdogn/state
[all …]
|
| /Documentation/devicetree/bindings/mfd/ |
| D | rohm,bd9576-pmic.yaml | 16 monitoring. A watchdog logic with slow ping/windowed modes is also included.
53 rohm,watchdog-enable-gpios:
54 description: The GPIO line used to enable the watchdog.
57 rohm,watchdog-ping-gpios:
58 description: The GPIO line used to ping the watchdog.
64 Watchdog timeout in milliseconds. If single value is given it is
65 the maximum timeout. Eg. if pinging watchdog is not done within this time
66 limit the watchdog will be triggered. If two values are given watchdog
68 Eg. if watchdog is pinged sooner than that the watchdog will trigger.
98 rohm,watchdog-enable-gpios = <&gpio2 6 GPIO_ACTIVE_HIGH>;
[all …]
|
| /Documentation/ABI/stable/ |
| D | sysfs-driver-firmware-zynqmp | 126 temperature and external watchdog. Here, the external watchdog
127 is completely different than the /dev/watchdog as the external
128 watchdog is running on the firmware and it is used to monitor
130 watchdog is interfaced outside of the zynqmp soc.
138 the external watchdog feature.
140 external watchdog feature.
158 Select external watchdog config ID to enable/disable feature
161 Check external watchdog config ID is selected or not
165 Select external watchdog config ID to configure time interval
168 Check external watchdog config ID is selected or not
[all …]
|
123456789