| 1 | Xilinx AXI/PLB soft-core watchdog Device Tree Bindings |
| 2 | --------------------------------------------------------- |
| 3 | |
| 4 | Required properties: |
| 5 | - compatible : Should be "xlnx,xps-timebase-wdt-1.00.a" or |
| 6 | "xlnx,xps-timebase-wdt-1.01.a". |
| 7 | - reg : Physical base address and size |
| 8 | |
| 9 | Optional properties: |
| 10 | - clock-frequency : Frequency of clock in Hz |
| 11 | - xlnx,wdt-enable-once : 0 - Watchdog can be restarted |
| 12 | 1 - Watchdog can be enabled just once |
| 13 | - xlnx,wdt-interval : Watchdog timeout interval in 2^<val> clock cycles, |
| 14 | <val> is integer from 8 to 31. |
| 15 | |
| 16 | Example: |
| 17 | axi-timebase-wdt@40100000 { |
| 18 | clock-frequency = <50000000>; |
| 19 | compatible = "xlnx,xps-timebase-wdt-1.00.a"; |
| 20 | reg = <0x40100000 0x10000>; |
| 21 | xlnx,wdt-enable-once = <0x0>; |
| 22 | xlnx,wdt-interval = <0x1b>; |
| 23 | } ; |