1Nuvoton NPCM Watchdog 2 3Nuvoton NPCM timer module provides five 24-bit timer counters, and a watchdog. 4The watchdog supports a pre-timeout interrupt that fires 10ms before the 5expiry. 6 7Required properties: 8- compatible : "nuvoton,npcm750-wdt" for NPCM750 (Poleg). 9- reg : Offset and length of the register set for the device. 10- interrupts : Contain the timer interrupt with flags for 11 falling edge. 12 13Required clocking property, have to be one of: 14- clocks : phandle of timer reference clock. 15- clock-frequency : The frequency in Hz of the clock that drives the NPCM7xx 16 timer (usually 25000000). 17 18Optional properties: 19- timeout-sec : Contains the watchdog timeout in seconds 20 21Example: 22 23timer@f000801c { 24 compatible = "nuvoton,npcm750-wdt"; 25 interrupts = <GIC_SPI 47 IRQ_TYPE_LEVEL_HIGH>; 26 reg = <0xf000801c 0x4>; 27 clocks = <&clk NPCM7XX_CLK_TIMER>; 28}; 29