arm64: dts: allwinner: a64: Add PMU node

This is necessary to use 'perf' for cache profiling etc.
Tested on Teres I Laptop.

Signed-off-by: Harald Geyer <harald@ccbib.org>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
index 837a03d..bf9b719 100644 (file)
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
@@ -142,6 +142,15 @@
                clock-output-names = "ext-osc32k";
        };
 
+       pmu {
+               compatible = "arm,cortex-a53-pmu";
+               interrupts = <GIC_SPI 152 IRQ_TYPE_LEVEL_HIGH>,
+                            <GIC_SPI 153 IRQ_TYPE_LEVEL_HIGH>,
+                            <GIC_SPI 154 IRQ_TYPE_LEVEL_HIGH>,
+                            <GIC_SPI 155 IRQ_TYPE_LEVEL_HIGH>;
+               interrupt-affinity = <&cpu0>, <&cpu1>, <&cpu2>, <&cpu3>;
+       };
+
        psci {
                compatible = "arm,psci-0.2";
                method = "smc";