Describe the performance monitor unit (PMU) for the Cortex-A53 cores in
the R8A77970 SoC's device tree.
Based on the original (and large) patch by Vladimir Barinov.
Signed-off-by: Vladimir Barinov <vladimir.barinov@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@xxxxxxxxxxxxxxxxxx>
---
The patch is against the 'renesas-devel-20180724-v4.18-rc6' tag of Simon
Horman's 'renesas.git' repo.
arch/arm64/boot/dts/renesas/r8a77980.dtsi | 9 +++++++++
1 file changed, 9 insertions(+)
Index: renesas/arch/arm64/boot/dts/renesas/r8a77980.dtsi
===================================================================
--- renesas.orig/arch/arm64/boot/dts/renesas/r8a77980.dtsi
+++ renesas/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";
