ARM: dts: r7s72100: Add PMU device node

Enable support for the ARM Performance Monitor Units in the Cortex-A9
CPU core on RZ/A1H by adding a device node for the PMU.

New Linux output:

    hw perfevents: enabled with armv7_cortex_a9 PMU driver, 7 counters available

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

diff --git a/arch/arm/boot/dts/r7s72100.dtsi b/arch/arm/boot/dts/r7s72100.dtsi
index eb2e6f9..a54822e 100644 (file)
--- a/arch/arm/boot/dts/r7s72100.dtsi
+++ b/arch/arm/boot/dts/r7s72100.dtsi
@@ -77,6 +77,11 @@
                clock-div = <6>;
        };
 
+       pmu {
+               compatible = "arm,cortex-a9-pmu";
+               interrupts-extended = <&gic GIC_PPI 0 IRQ_TYPE_LEVEL_HIGH>;
+       };
+
        rtc_x1_clk: rtc_x1 {
                #clock-cells = <0>;
                compatible = "fixed-clock";