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authorAriel D'Alessandro <ariel@vanguardiasur.com.ar>2015-08-01 15:37:17 -0300
committerWim Van Sebroeck <wim@iguana.be>2015-09-09 21:36:06 +0200
commitcfde37e1ec18dc68a52a1b882390c0f9c52b5f10 (patch)
tree0cc7ea78eafaf52de1b894112d4c28fba2d42b5f /Documentation
parent7c25f8c9f67708e6464d2221bc311cbd99e950dc (diff)
DT: watchdog: Add NXP LPC18xx Watchdog Timer binding documentation
Add the devicetree binding document for NXP LPC18xx Watchdog Timer. Signed-off-by: Ariel D'Alessandro <ariel@vanguardiasur.com.ar> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/devicetree/bindings/watchdog/lpc18xx-wdt.txt19
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diff --git a/Documentation/devicetree/bindings/watchdog/lpc18xx-wdt.txt b/Documentation/devicetree/bindings/watchdog/lpc18xx-wdt.txt
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+* NXP LPC18xx Watchdog Timer (WDT)
+
+Required properties:
+- compatible: Should be "nxp,lpc1850-wwdt"
+- reg: Should contain WDT registers location and length
+- clocks: Must contain an entry for each entry in clock-names.
+- clock-names: Should contain "wdtclk" and "reg"; the watchdog counter
+ clock and register interface clock respectively.
+- interrupts: Should contain WDT interrupt
+
+Examples:
+
+watchdog@40080000 {
+ compatible = "nxp,lpc1850-wwdt";
+ reg = <0x40080000 0x24>;
+ clocks = <&cgu BASE_SAFE_CLK>, <&ccu1 CLK_CPU_WWDT>;
+ clock-names = "wdtclk", "reg";
+ interrupts = <49>;
+};