arm64: dts: r8a7795: Add Cortex-A53 PMU node

Enable the performance monitor unit for the Cortex-A53 cores on the
R8A7795 SoC.

Extracted from a patch by Takeshi Kihara in the BSP.

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

1 files changed, 12 insertions, 0 deletions

diff --git a/arch/arm64/boot/dts/renesas/r8a7795.dtsi b/arch/arm64/boot/dts/renesas/r8a7795.dtsi
index 61830697e33c..3573872974e0 100644
--- a/arch/arm64/boot/dts/renesas/r8a7795.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a7795.dtsi
@@ -340,6 +340,18 @@
                                              <&a57_3>;
                 };
 
+                pmu_a53 {
+                        compatible = "arm,cortex-a53-pmu";
+                        interrupts = <GIC_SPI 84 IRQ_TYPE_LEVEL_HIGH>,
+                                     <GIC_SPI 85 IRQ_TYPE_LEVEL_HIGH>,
+                                     <GIC_SPI 86 IRQ_TYPE_LEVEL_HIGH>,
+                                     <GIC_SPI 87 IRQ_TYPE_LEVEL_HIGH>;
+                        interrupt-affinity = <&a53_0>,
+                                             <&a53_1>,
+                                             <&a53_2>,
+                                             <&a53_3>;
+                };
+
                 timer {
                         compatible = "arm,armv8-timer";
                         interrupts = <GIC_PPI 13