arm: zynq: Add smp_twd timer

The zynq has a Cortex-A9 with the corresponding smp_twd timers. Use them.

Signed-off-by: Steffen Trumtrar <s.trumtrar@pengutronix.de>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>

arch/arm/boot/dts/zynq-7000.dtsi

+7 −0

Original line number	Diff line number	Diff line
		@@ -129,5 +129,12 @@
		clock-names = "cpu_1x";
		clock-ranges;
		};
		scutimer: scutimer@f8f00600 {
		interrupt-parent = <&intc>;
		interrupts = < 1 13 0x301 >;
		compatible = "arm,cortex-a9-twd-timer";
		reg = < 0xf8f00600 0x20 >;
		clocks = <&cpu_clk 1>;
		} ;
		};
		};