[PATCH 1/3] arm64: dts: broadcom: bcm2712: add arm PMU

[Peter Robinson]

The bcm2712 SoC in the Raspberry Pi 5 has a standard
arm performance management unit that aligns with the
Cortex-A76 cores that are in the SoC so add the details
in so it can be used.

Signed-off-by: Peter Robinson <pbrobinson at gmail.com>
Cc: Florian Fainelli <florian.fainelli at broadcom.com>
Cc: Dave Stevenson <dave.stevenson at raspberrypi.com
---
 arch/arm64/boot/dts/broadcom/bcm2712.dtsi | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/arch/arm64/boot/dts/broadcom/bcm2712.dtsi b/arch/arm64/boot/dts/broadcom/bcm2712.dtsi
index 9b36ecd7bba54..ae1fc9d728c00 100644
--- a/arch/arm64/boot/dts/broadcom/bcm2712.dtsi
+++ b/arch/arm64/boot/dts/broadcom/bcm2712.dtsi
@@ -10,6 +10,15 @@ / {
 
 	interrupt-parent = <&gicv2>;
 
+	arm-pmu {
+		compatible = "arm,cortex-a76-pmu";
+		interrupts = <GIC_SPI 16 IRQ_TYPE_LEVEL_HIGH>,
+			<GIC_SPI 17 IRQ_TYPE_LEVEL_HIGH>,
+			<GIC_SPI 18 IRQ_TYPE_LEVEL_HIGH>,
+			<GIC_SPI 19 IRQ_TYPE_LEVEL_HIGH>;
+		interrupt-affinity = <&cpu0>, <&cpu1>, <&cpu2>, <&cpu3>;
+	};
+
 	clocks {
 		/* The oscillator is the root of the clock tree. */
 		clk_osc: clk-osc {
-- 
2.55.0