arm64: dts: renesas: r8a77980: add Cortex-A53 PMU support

Sergei Shtylyov · horms · commit 0dba24a8e17d · 2018-09-11T15:49:45.000+02:00
Describe the performance monitor unit (PMU) for the Cortex-A53 cores in
the R8A77980 SoC's device tree.

Based on the original (and large) patch by Vladimir Barinov.

Signed-off-by: Vladimir Barinov &lt;vladimir.barinov@cogentembedded.com&gt;
Signed-off-by: Sergei Shtylyov &lt;sergei.shtylyov@cogentembedded.com&gt;
Reviewed-by: Geert Uytterhoeven &lt;geert+renesas@glider.be&gt;
Signed-off-by: Simon Horman &lt;horms+renesas@verge.net.au&gt;
diff --git a/arch/arm64/boot/dts/renesas/r8a77980.dtsi b/arch/arm64/boot/dts/renesas/r8a77980.dtsi
@@ -98,6 +98,15 @@
 		clock-frequency = <0>;
 	};
 
+	pmu_a53 {
+		compatible = "arm,cortex-a53-pmu";
+		interrupts-extended = <&gic GIC_SPI 84 IRQ_TYPE_LEVEL_HIGH>,
+				      <&gic GIC_SPI 85 IRQ_TYPE_LEVEL_HIGH>,
+				      <&gic GIC_SPI 86 IRQ_TYPE_LEVEL_HIGH>,
+				      <&gic GIC_SPI 87 IRQ_TYPE_LEVEL_HIGH>;
+		interrupt-affinity = <&a53_0>, <&a53_1>, <&a53_2>, <&a53_3>;
+	};
+
 	psci {
 		compatible = "arm,psci-1.0", "arm,psci-0.2";
 		method = "smc";
