Squashed 'dts/upstream/' content from commit aaba2d45dc2a

git-subtree-dir: dts/upstream
git-subtree-split: aaba2d45dc2a1b3bbb710f2a3808ee1c9f340abe
diff --git a/Bindings/watchdog/pnx4008-wdt.txt b/Bindings/watchdog/pnx4008-wdt.txt
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+++ b/Bindings/watchdog/pnx4008-wdt.txt
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+* NXP PNX watchdog timer
+
+Required properties:
+- compatible: must be "nxp,pnx4008-wdt"
+- reg: physical base address of the controller and length of memory mapped
+  region.
+
+Optional properties:
+- timeout-sec: contains the watchdog timeout in seconds.
+
+Example:
+
+	watchdog@4003c000 {
+		compatible = "nxp,pnx4008-wdt";
+		reg = <0x4003C000 0x1000>;
+		timeout-sec = <10>;
+	};