diff options
Diffstat (limited to 'Documentation')
3 files changed, 30 insertions, 8 deletions
diff --git a/Documentation/devicetree/bindings/gpio/men-a021-wdt.txt b/Documentation/devicetree/bindings/gpio/men-a021-wdt.txt new file mode 100644 index 000000000000..370dee3226d9 --- /dev/null +++ b/Documentation/devicetree/bindings/gpio/men-a021-wdt.txt @@ -0,0 +1,25 @@ +Bindings for MEN A21 Watchdog device connected to GPIO lines + +Required properties: +- compatible: "men,a021-wdt" +- gpios: Specifies the pins that control the Watchdog, order: + 1: Watchdog enable + 2: Watchdog fast-mode + 3: Watchdog trigger + 4: Watchdog reset cause bit 0 + 5: Watchdog reset cause bit 1 + 6: Watchdog reset cause bit 2 + +Optional properties: +- None + +Example: + watchdog { + compatible ="men,a021-wdt"; + gpios = <&gpio3 9 1 /* WD_EN */ + &gpio3 10 1 /* WD_FAST */ + &gpio3 11 1 /* WD_TRIG */ + &gpio3 6 1 /* RST_CAUSE[0] */ + &gpio3 7 1 /* RST_CAUSE[1] */ + &gpio3 8 1>; /* RST_CAUSE[2] */ + }; diff --git a/Documentation/devicetree/bindings/watchdog/brcm,bcm2835-pm-wdog.txt b/Documentation/devicetree/bindings/watchdog/brcm,bcm2835-pm-wdog.txt index d209366b4a69..f801d71de1cd 100644 --- a/Documentation/devicetree/bindings/watchdog/brcm,bcm2835-pm-wdog.txt +++ b/Documentation/devicetree/bindings/watchdog/brcm,bcm2835-pm-wdog.txt @@ -5,9 +5,14 @@ Required properties: - compatible : should be "brcm,bcm2835-pm-wdt" - reg : Specifies base physical address and size of the registers. +Optional properties: + +- timeout-sec : Contains the watchdog timeout in seconds + Example: watchdog { compatible = "brcm,bcm2835-pm-wdt"; reg = <0x7e100000 0x28>; + timeout-sec = <10>; }; diff --git a/Documentation/watchdog/watchdog-parameters.txt b/Documentation/watchdog/watchdog-parameters.txt index 04fddbacdbde..f9492fed4104 100644 --- a/Documentation/watchdog/watchdog-parameters.txt +++ b/Documentation/watchdog/watchdog-parameters.txt @@ -194,14 +194,6 @@ reset: Watchdog Interrupt/Reset Mode. 0 = interrupt, 1 = reset nowayout: Watchdog cannot be stopped once started (default=kernel config parameter) ------------------------------------------------- -mpcore_wdt: -mpcore_margin: MPcore timer margin in seconds. - (0 < mpcore_margin < 65536, default=60) -nowayout: Watchdog cannot be stopped once started - (default=kernel config parameter) -mpcore_noboot: MPcore watchdog action, set to 1 to ignore reboots, - 0 to reboot (default=0 -------------------------------------------------- mv64x60_wdt: nowayout: Watchdog cannot be stopped once started (default=kernel config parameter) |