ARM: davinci: da850: add wdt DT node

Add da850 wdt DT node.
Add OF_DEV_AUXDATA for wdt driver to use wdt clock.

Signed-off-by: Kumar, Anil <anilkumar.v@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>

arch/arm/boot/dts/da850-evm.dts

@@ -36,6 +36,9 @@
 			pinctrl-names = "default";
 			pinctrl-0 = <&i2c0_pins>;
 		};
+		wdt: wdt@1c21000 {
+			status = "okay";
+		};
 	};
 	nand_cs3@62000000 {
 		status = "okay";

arch/arm/boot/dts/da850.dtsi

@@ -102,6 +102,11 @@
 			#size-cells = <0>;
 			status = "disabled";
 		};
+		wdt: wdt@1c21000 {
+			compatible = "ti,davinci-wdt";
+			reg = <0x21000 0x1000>;
+			status = "disabled";
+		};
 	};
 	nand_cs3@62000000 {
 		compatible = "ti,davinci-nand";

arch/arm/mach-davinci/da8xx-dt.c

@@ -39,6 +39,7 @@ static void __init da8xx_init_irq(void)
 
 struct of_dev_auxdata da850_auxdata_lookup[] __initdata = {
 	OF_DEV_AUXDATA("ti,davinci-i2c", 0x01c22000, "i2c_davinci.1", NULL),
+	OF_DEV_AUXDATA("ti,davinci-wdt", 0x01c21000, "watchdog", NULL),
 	{}
 };