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), or 9 "nuvoton,wpcm450-wdt" for WPCM450 (Hermon), or 10 "nuvoton,npcm845-wdt" for NPCM845 (Arbel). 11- reg : Offset and length of the register set for the device. 12- interrupts : Contain the timer interrupt with flags for 13 falling edge. 14 15Required clocking property, have to be one of: 16- clocks : phandle of timer reference clock. 17- clock-frequency : The frequency in Hz of the clock that drives the NPCM7xx 18 timer (usually 25000000). 19 20Optional properties: 21- timeout-sec : Contains the watchdog timeout in seconds 22 23Example: 24 25timer@f000801c { 26 compatible = "nuvoton,npcm750-wdt"; 27 interrupts = <GIC_SPI 47 IRQ_TYPE_LEVEL_HIGH>; 28 reg = <0xf000801c 0x4>; 29 clocks = <&clk NPCM7XX_CLK_TIMER>; 30}; 31