arm: zynq: Add support for pmu

Zynq is standard PMU with 2 interrupt per core.
There is also access via register which is not used right now.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>

diff --git a/arch/arm/boot/dts/zynq-7000.dtsi b/arch/arm/boot/dts/zynq-7000.dtsi
index 5914b56..9e1c339 100644 (file)
--- a/arch/arm/boot/dts/zynq-7000.dtsi
+++ b/arch/arm/boot/dts/zynq-7000.dtsi
@@ -15,6 +15,13 @@
 / {
        compatible = "xlnx,zynq-7000";
 
+       pmu {
+               compatible = "arm,cortex-a9-pmu";
+               interrupts = <0 5 4>, <0 6 4>;
+               interrupt-parent = <&intc>;
+               reg = < 0xf8891000 0x1000 0xf8893000 0x1000 >;
+       };
+
        amba {
                compatible = "simple-bus";
                #address-cells = <1>;