Index: linux-5.10.52-rt47-v7l/arch/arm/boot/dts/bcm2711.dtsi
===================================================================
--- linux-5.10.52-rt47-v7l.orig/arch/arm/boot/dts/bcm2711.dtsi
+++ linux-5.10.52-rt47-v7l/arch/arm/boot/dts/bcm2711.dtsi
@@ -444,7 +444,7 @@
 	};
 
 	arm-pmu {
-		compatible = "arm,cortex-a72-pmu", "arm,armv8-pmuv3";
+		compatible = "arm,cortex-a72-pmu", "arm,cortex-a15-pmu", "arm,armv8-pmuv3";
 		interrupts = <GIC_SPI 16 IRQ_TYPE_LEVEL_HIGH>,
 			<GIC_SPI 17 IRQ_TYPE_LEVEL_HIGH>,
 			<GIC_SPI 18 IRQ_TYPE_LEVEL_HIGH>,