arm64: dts: Add timer node for Spreadtrum SC9860

We will use one always-on timer to be the broadcast device, thus add
the timer device node for Spreadtrum SC9860 platform.
Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

arch/arm64/boot/dts/sprd/whale2.dtsi

@@ -122,6 +122,13 @@ adi_bus: spi@40030000 {
 				#size-cells = <0>;
 			};
 
+			timer@40050000 {
+				compatible = "sprd,sc9860-timer";
+				reg = <0 0x40050000 0 0x20>;
+				interrupts = <GIC_SPI 26 IRQ_TYPE_LEVEL_HIGH>;
+				clocks = <&ext_32k>;
+			};
+
 			hwlock: hwspinlock@40500000 {
 				compatible = "sprd,hwspinlock-r3p0";
 				reg = <0 0x40500000 0 0x1000>;