@@ -165,6 +165,16 @@
<GIC_PPI 10 IRQ_TYPE_LEVEL_LOW 0>;
};
+ pmu_a53 {
+ compatible = "arm,cortex-a53-pmu";
+ interrupts = <GIC_PPI 7 IRQ_TYPE_LEVEL_LOW &part0>;
+ };
+
+ pmu_a72 {
+ compatible = "arm,cortex-a72-pmu";
+ interrupts = <GIC_PPI 7 IRQ_TYPE_LEVEL_LOW &part1>;
+ };
+
xin24m: xin24m {
compatible = "fixed-clock";
clock-frequency = <24000000>;
@@ -296,6 +306,16 @@
msi-controller;
reg = <0x0 0xfee20000 0x0 0x20000>;
};
+
+ ppi-partitions {
+ part0: interrupt-partition-0 {
+ affinity = <&cpu_l0 &cpu_l1 &cpu_l2 &cpu_l3>;
+ };
+
+ part1: interrupt-partition-1 {
+ affinity = <&cpu_b0 &cpu_b1>;
+ };
+ };
};
i2c1: i2c@ff110000 {
This patch add to enable the ARM Performance Monitor Units for rk3399. ARM cores often have a PMU for counting cpu and cache events like cache misses and hits. Also, as the Marc posted the patches [0] to support Partitioning per-cpu interrupts. Let's add this patch to match it on rk3399 SoCs. [0]: https://lkml.org/lkml/2016/4/11/182 https://patchwork.kernel.org/patch/9209369/ Signed-off-by: Caesar Wang <wxt@rock-chips.com> Cc: Heiko Stuebner <heiko@sntech.de> Cc: Marc Zyngier <marc.zyngier@arm.com> CC: linux-arm-kernel@lists.infradead.org --- Changes in v2: - AS Mark comments on https://patchwork.kernel.org/patch/9209369/ remove the interrupt-affinity property, we need depend on Marc' perf code on https://patchwork.kernel.org/patch/9209369/. arch/arm64/boot/dts/rockchip/rk3399.dtsi | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+)