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-ARM AMBA Primecell SP805 Watchdog
-
-SP805 WDT is a ARM Primecell Peripheral and has a standard-id register that
-can be used to identify the peripheral type, vendor, and revision.
-This value can be used for driver matching.
-
-As SP805 WDT is a primecell IP, it follows the base bindings specified in
-'arm/primecell.txt'
-
-Required properties:
-- compatible: Should be "arm,sp805" & "arm,primecell"
-- reg: Should contain location and length for watchdog timer register
-- clocks: Clocks driving the watchdog timer hardware. This list should be
- 2 clocks. With 2 clocks, the order is wdog_clk, apb_pclk
- wdog_clk can be equal to or be a sub-multiple of the apb_pclk
- frequency
-- clock-names: Shall be "wdog_clk" for first clock and "apb_pclk" for the
- second one
-
-Optional properties:
-- interrupts: Should specify WDT interrupt number
-- timeout-sec: Should specify default WDT timeout in seconds. If unset, the
- default timeout is determined by the driver
-
-Example:
- watchdog@66090000 {
- compatible = "arm,sp805", "arm,primecell";
- reg = <0x66090000 0x1000>;
- interrupts = <GIC_SPI 406 IRQ_TYPE_LEVEL_HIGH>;
- clocks = <&wdt_clk>, <&apb_pclk>;
- clock-names = "wdog_clk", "apb_pclk";
- };