ARM: ux500: Enable PL310 Level 2 Cache Controller in Device Tree

This provides PL310 Level 2 Cache Controller Device Tree
support for all u8500 based devices.

Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
diff --git a/arch/arm/boot/dts/db8500.dtsi b/arch/arm/boot/dts/db8500.dtsi
index 614a471..ce3b56f 100644
--- a/arch/arm/boot/dts/db8500.dtsi
+++ b/arch/arm/boot/dts/db8500.dtsi
@@ -29,6 +29,14 @@
 			      <0xa0410100 0x100>;
 		};
 
+		L2: l2-cache {
+			compatible = "arm,pl310-cache";
+			reg = <0xa0412000 0x1000>;
+			interrupts = <0 13 4>;
+			cache-unified;
+			cache-level = <2>;
+		};
+
 		pmu {
 			compatible = "arm,cortex-a9-pmu";
 			interrupts = <0 7 0x4>;