ARM: dts: sun4i-a10: Add PMU node

This is necessary to use 'perf' for cache profiling etc.
Tested on cubieboard with 'perf stat echo foo'.

Signed-off-by: Harald Geyer <harald@ccbib.org>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>

diff --git a/arch/arm/boot/dts/sun4i-a10.dtsi b/arch/arm/boot/dts/sun4i-a10.dtsi
index 5d46bb0..a2fb473 100644 (file)
--- a/arch/arm/boot/dts/sun4i-a10.dtsi
+++ b/arch/arm/boot/dts/sun4i-a10.dtsi
@@ -184,6 +184,11 @@
                status = "disabled";
        };
 
+       pmu {
+               compatible = "arm,cortex-a8-pmu";
+               interrupts = <3>;
+       };
+
        soc {
                compatible = "simple-bus";
                #address-cells = <1>;