Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 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 | }; |