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@xxxxxxxxx>
---
arch/arm/boot/dts/r7s72100.dtsi | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/arch/arm/boot/dts/r7s72100.dtsi b/arch/arm/boot/dts/r7s72100.dtsi
index eb2e6f95a2e85862..a54822e97bac42ed 100644
--- 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";
--
2.7.4
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