ARM: dts: atlas6: add cortex-a9-pmu compatible PMU node

add cortex-a9-pmu node to make the performance monitor unit work on atlas6.

Signed-off-by: Ye He <Ye.He@csr.com>
Signed-off-by: Barry Song <Baohua.Song@csr.com>

diff --git a/arch/arm/boot/dts/atlas6.dtsi b/arch/arm/boot/dts/atlas6.dtsi
index 43f4b1e..458e000 100644 (file)
--- a/arch/arm/boot/dts/atlas6.dtsi
+++ b/arch/arm/boot/dts/atlas6.dtsi
@@ -39,6 +39,11 @@
                };
        };
 
+       arm-pmu {
+               compatible = "arm,cortex-a9-pmu";
+               interrupts = <29>;
+       };
+
        axi {
                compatible = "simple-bus";
                #address-cells = <1>;