metag: tz1090: select and instantiate irq-imgpdc

Select IMGPDC_IRQ from SOC_TZ1090 to enable the PDC interrupt controller
driver once it is merged, and instantiate it from tz1090.dtsi.
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Acked-by: Grant Likely <grant.likely@linaro.org>
Cc: Thomas Gleixner <tglx@linutronix.de>

arch/metag/Kconfig.soc

@@ -16,6 +16,7 @@ config META21_FPGA
 
 config SOC_TZ1090
 	bool "Toumaz Xenif TZ1090 SoC (Comet)"
+	select IMGPDC_IRQ
 	select METAG_LNKGET_AROUND_CACHE
 	select METAG_META21
 	select METAG_SMP_WRITE_REORDERING

arch/metag/boot/dts/tz1090.dtsi

@@ -8,6 +8,8 @@
 
 #include "skeleton.dtsi"
 
+#include <dt-bindings/interrupt-controller/irq.h>
+
 / {
 	compatible = "toumaz,tz1090", "img,meta";
 
@@ -26,6 +28,22 @@ soc {
 		#size-cells = <1>;
 		ranges;
 
+		pdc: pdc@0x02006000 {
+			interrupt-controller;
+			#interrupt-cells = <2>;
+
+			reg = <0x02006000 0x1000>;
+			compatible = "img,pdc-intc";
+
+			num-perips = <3>;
+			num-syswakes = <3>;
+
+			interrupts = <18 IRQ_TYPE_LEVEL_HIGH>, /* Syswakes */
+			             <30 IRQ_TYPE_LEVEL_HIGH>, /* Perip 0 (RTC) */
+			             <29 IRQ_TYPE_LEVEL_HIGH>, /* Perip 1 (IR) */
+			             <31 IRQ_TYPE_LEVEL_HIGH>; /* Perip 2 (WDT) */
+		};
+
 		pinctrl: pinctrl@02005800 {
 			#gpio-range-cells = <3>;
 			compatible = "img,tz1090-pinctrl";