ARM: at91/dt: sama5d2_xplained: Add fast_restart node

Add fast_restart node as a pmc's child node to support fast startup
signal configuration.

Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com>

Author: wenyouya

arch/arm/boot/dts/at91-sama5d2_xplained.dts

@@ -72,6 +72,25 @@
 		};
 
 		apb {
+			pmc: pmc@f0014000 {
+				pmc_fast_restart {
+					compatible = "atmel,sama5d2-pmc-fast-startup";
+					#address-cells = <1>;
+					#size-cells = <0>;
+
+					atmel,wakeup-rtc-timer;
+
+					wkpin: input@0 {
+						reg = <0>;
+					};
+
+					gmac_wol: input@10 {
+						reg = <10>;
+						atmel,wakeup-active-high;
+					};
+				};
+			};
+
 			qspi0: spi@f0020000 {
 				pinctrl-names = "default";
 				pinctrl-0 = <&pinctrl_qspi0_default>;