ARM: dts: r8a7743: Add PMU device node

Enable support for the ARM Performance Monitor Units in the Cortex-A15
CPU cores on RZ/G1M by adding a device node for the PMU.

New Linux output:

    hw perfevents: enabled with armv7_cortex_a15 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/r8a7743.dtsi b/arch/arm/boot/dts/r8a7743.dtsi
index 69d8f7e0f0536fc0ed6dd44be2bc8c941b77bd02..142949d7066f3a65cafe3fd065d3043f0841e5d8 100644 (file)
--- a/arch/arm/boot/dts/r8a7743.dtsi
+++ b/arch/arm/boot/dts/r8a7743.dtsi
@@ -125,6 +125,13 @@
                clock-frequency = <0>;
        };
 
+       pmu {
+               compatible = "arm,cortex-a15-pmu";
+               interrupts-extended = <&gic GIC_SPI 72 IRQ_TYPE_LEVEL_HIGH>,
+                                     <&gic GIC_SPI 73 IRQ_TYPE_LEVEL_HIGH>;
+               interrupt-affinity = <&cpu0>, <&cpu1>;
+       };
+
        /* External SCIF clock */
        scif_clk: scif {
                compatible = "fixed-clock";