ARM: exynos: add pmu nodes to exynos5250 dts

This plumbs up the PMU on the A15s so that we can run perf.

BUG=none
TEST=run perf top

Change-Id: I64638b87e24f8dd7664063d0d5b672993dd1763e
Signed-off-by: Olof Johansson <olofj@chromium.org>
Reviewed-on: https://gerrit-int.chromium.org/20678
Reviewed-by: Sonny Rao <sonnyrao@google.com>
Commit-Ready: Olof Johansson <olofj@google.com>
Tested-by: Olof Johansson <olofj@google.com>

diff --git a/arch/arm/boot/dts/exynos5250.dtsi b/arch/arm/boot/dts/exynos5250.dtsi
index 033f88a..cbd0dfc 100644 (file)
--- a/arch/arm/boot/dts/exynos5250.dtsi
+++ b/arch/arm/boot/dts/exynos5250.dtsi
@@ -135,6 +135,13 @@
                 };
         };
 
+       pmu {
+               compatible = "arm,cortex-a15-pmu", "arm,cortex-a9-pmu";
+               interrupts = <1 2>,
+                            <22 4>;
+               interrupt-parent = <&combiner>;
+       };
+
        watchdog {
                compatible = "samsung,s3c2410-wdt";
                reg = <0x101D0000 0x100>;