Merge tag 'ntb-3.13' of git://github.com/jonmason/ntb
[linux-drm-fsl-dcu.git] / Documentation / devicetree / bindings / watchdog / men-a021-wdt.txt
1 Bindings for MEN A21 Watchdog device connected to GPIO lines
2
3 Required properties:
4 - compatible: "men,a021-wdt"
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
12
13 Optional properties:
14 - None
15
16 Example:
17         watchdog {
18                 compatible ="men,a021-wdt";
19                 gpios = <&gpio3 9  1    /* WD_EN */
20                          &gpio3 10 1    /* WD_FAST */
21                          &gpio3 11 1    /* WD_TRIG */
22                          &gpio3 6  1    /* RST_CAUSE[0] */
23                          &gpio3 7  1    /* RST_CAUSE[1] */
24                          &gpio3 8  1>;  /* RST_CAUSE[2] */
25         };