ARM: dts: ls1021a: add ftm_alarm0 DT node

The patch add ftm_alarm0 DT node
	- add rcpm node
	- add ftm_alarm0 node
	- aliases ftm_alarm0 as rtc1
Signed-off-by: Biwen Li <biwen.li@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm/boot/dts/ls1021a.dtsi

@@ -59,6 +59,7 @@ aliases {
 		ethernet0 = &enet0;
 		ethernet1 = &enet1;
 		ethernet2 = &enet2;
+		rtc1 = &ftm_alarm0;
 		serial0 = &lpuart0;
 		serial1 = &lpuart1;
 		serial2 = &lpuart2;
@@ -1002,5 +1003,19 @@ qdma: dma-controller@8390000 {
 			big-endian;
 		};
 
+		rcpm: power-controller@1ee2140 {
+			compatible = "fsl,ls1021a-rcpm", "fsl,qoriq-rcpm-2.1+";
+			reg = <0x0 0x1ee2140 0x0 0x8>;
+			#fsl,rcpm-wakeup-cells = <2>;
+		};
+
+		ftm_alarm0: timer0@29d0000 {
+			compatible = "fsl,ls1021a-ftm-alarm";
+			reg = <0x0 0x29d0000 0x0 0x10000>;
+			reg-names = "ftm";
+			fsl,rcpm-wakeup = <&rcpm 0x20000 0x0>;
+			interrupts = <GIC_SPI 118 IRQ_TYPE_LEVEL_HIGH>;
+			big-endian;
+		};
 	};
 };