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author | Sascha Hauer <s.hauer@pengutronix.de> | 2016-02-03 10:25:36 +0100 |
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committer | Sascha Hauer <s.hauer@pengutronix.de> | 2016-02-04 08:40:36 +0100 |
commit | 0ff58575c9d66f660886387c2e68d8c5c724e87b (patch) | |
tree | 4a889d1478da83ae46db96f5c049872cdb90eeb6 /dts/Bindings/watchdog/sp805-wdt.txt | |
parent | a0da52f83c36a81984e0fca4b75d522b955df267 (diff) | |
download | barebox-0ff58575c9d66f660886387c2e68d8c5c724e87b.tar.gz barebox-0ff58575c9d66f660886387c2e68d8c5c724e87b.tar.xz |
dts: update to v4.5-rc1
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'dts/Bindings/watchdog/sp805-wdt.txt')
-rw-r--r-- | dts/Bindings/watchdog/sp805-wdt.txt | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/dts/Bindings/watchdog/sp805-wdt.txt b/dts/Bindings/watchdog/sp805-wdt.txt new file mode 100644 index 0000000000..edc4f0ea54 --- /dev/null +++ b/dts/Bindings/watchdog/sp805-wdt.txt @@ -0,0 +1,31 @@ +* ARM SP805 Watchdog Timer (WDT) Controller + +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-wdt", "arm,primecell" +- reg : Base address and size of the watchdog timer registers. +- clocks : From common clock binding. + First clock is PCLK and the second is WDOGCLK. + WDOGCLK can be equal to or be a sub-multiple of the PCLK frequency. +- clock-names : From common clock binding. + Shall be "apb_pclk" for first clock and "wdog_clk" for the + second one. + +Optional properties: +- interrupts : Should specify WDT interrupt number. + +Examples: + + cluster1_core0_watchdog: wdt@c000000 { + compatible = "arm,sp805-wdt", "arm,primecell"; + reg = <0x0 0xc000000 0x0 0x1000>; + clocks = <&clockgen 4 3>, <&clockgen 4 3>; + clock-names = "apb_pclk", "wdog_clk"; + }; + |